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Cheap flights from San Antonio (SAT) to Heathrow (LHR) from $327

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — LHR
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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The best prices from San Antonio to London Heathrow are usually found in April or February, booked 45 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from San Antonio to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$643

One-way from

$428
High demand for flights, 39% potential price rise
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Best time to find cheap flights, 28% potential price drop
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From San Antonio to London Heathrow
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One-way flight from San Antonio to London Heathrow
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What is the cheapest day to fly round-trip from San Antonio to London Heathrow Airport?

Flights from San Antonio to London Heathrow Airport are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

How far in advance should I book a flight from San Antonio to London Heathrow Airport?

Travelers have found it’s best to book a flight 13 days in advance to save up to 18% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 13 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Antonio to London Heathrow Airport 1-2 weeks in advance for as low as $578, or $906 for flights within the next 24 hours.

What is the cheapest month to fly from San Antonio to London Heathrow Airport?

Our data shows that January tends to be the cheapest month to fly to London Heathrow Airport from San Antonio. Users have commonly found prices around $913 for the month, but tickets can be as low as $580. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from SAT to LHR?

When flying from San Antonio to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight in the morning.

Cheap San Antonio to Heathrow flights in June & July 2024

Find cheap flight options from San Antonio to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 2024.
Scroll through some of the best deals on flights from San Antonio to London in 2024. More deals are always being added, so be sure to check back regularly.
Wed 7/35:50 pmSAT - LHR
1 stop31h 50mUnited Airlines
Thu 8/291:40 pmLHR - SAT
1 stop13h 50mUnited Airlines
Deal found 6/9$721
Tue 7/98:31 pmSAT - LHR
3 stops31h 29mMultiple Airlines
Tue 7/168:30 amLHR - SAT
3 stops34h 28mMultiple Airlines
Deal found 6/9$863
Tue 7/912:55 pmSAT - LHR
1 stop11h 50mKLM
Tue 7/1612:10 pmLHR - SAT
1 stop16h 09mKLM
Deal found 6/9$892
Tue 7/95:15 amSAT - LHR
1 stop19h 30mVirgin Atlantic
Tue 7/309:40 amLHR - SAT
2 stops18h 39mVirgin Atlantic
Deal found 6/9$897
Tue 7/910:25 amSAT - LHR
2 stops25h 20mMultiple Airlines
Tue 7/161:45 pmLHR - SAT
3 stops33h 24mMultiple Airlines
Deal found 6/9$905
Thu 7/112:20 pmSAT - LHR
1 stop11h 40mIberia
Thu 7/188:10 amLHR - SAT
1 stop21h 32mIberia
Deal found 6/9$942
Tue 7/99:40 amSAT - LHR
2 stops14h 40mUnited Airlines
Tue 7/308:00 amLHR - SAT
2 stops21h 13mUnited Airlines
Deal found 6/9$951
Thu 7/117:30 amSAT - LHR
2 stops20h 10mUnited Airlines
Thu 7/188:00 amLHR - SAT
1 stop13h 33mUnited Airlines
Deal found 6/9$952
Thu 7/119:40 amSAT - LHR
2 stops16h 50mUnited Airlines
Thu 7/188:00 amLHR - SAT
2 stops15h 46mUnited Airlines
Deal found 6/9$957

San Antonio to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between San Antonio and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Scroll through some of the best deals on flights from San Antonio to London in 2024. More deals are always being added, so be sure to check back regularly.
Wed 10/96:00 amSAT - LHR
2 stops18h 30mUnited Airlines
Thu 10/177:25 amLHR - SAT
2 stops17h 44mUnited Airlines
Deal found 6/9$634
Wed 9/41:07 pmSAT - LHR
1 stop13h 13mUnited Airlines
Wed 9/118:30 amLHR - SAT
2 stops15h 15mUnited Airlines
Deal found 6/9$644
Sat 11/305:58 pmSAT - LHR
1 stop31h 32mUnited Airlines
Fri 12/136:50 amLHR - SAT
2 stops22h 08mUnited Airlines
Deal found 6/8$645
Wed 10/912:00 pmSAT - LHR
1 stop12h 25mKLM
Thu 10/1712:10 pmLHR - SAT
1 stop16h 27mKLM
Deal found 6/9$648
Wed 9/49:10 amSAT - LHR
2 stops15h 25mAir Canada
Wed 9/1112:05 pmLHR - SAT
2 stops16h 55mAir Canada
Deal found 6/9$652
Sat 11/305:58 pmSAT - LHR
1 stop31h 32mUnited Airlines
Fri 12/1311:35 amLHR - SAT
1 stop15h 20mUnited Airlines
Deal found 6/8$654
Tue 9/175:15 amSAT - LHR
2 stops21h 45mUnited Airlines
Fri 9/274:00 pmLHR - SAT
2 stops26h 22mUnited Airlines
Deal found 6/9$668
Wed 9/45:15 amSAT - LHR
2 stops18h 40mUnited Airlines
Wed 9/117:25 amLHR - SAT
2 stops17h 49mUnited Airlines
Deal found 6/9$670
Thu 10/312:10 pmSAT - LHR
1 stop17h 25mUnited Airlines
Fri 10/1110:15 amLHR - SAT
2 stops32h 49mUnited Airlines
Deal found 6/10$676

San Antonio to Heathrow flights leaving soon

Find last-minute flight options from San Antonio to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Book one of these great deals on flights from San Antonio to London. It's wise to confirm all flight details are correct before booking.
Tue 6/1811:34 amSAT - LHR
1 stop13h 41mDelta
Tue 7/211:30 amLHR - SAT
2 stops18h 26mDelta
Deal found 6/9$1,057
Wed 6/1912:14 pmSAT - LHR
1 stop12h 11mDelta
Wed 7/108:05 pmLHR - SAT
1 stop21h 01mDelta
Deal found 6/9$1,064
Wed 6/195:19 amSAT - LHR
1 stop19h 06mDelta
Wed 7/1012:10 pmLHR - SAT
2 stops18h 38mDelta
Deal found 6/9$1,069
Wed 6/191:27 pmSAT - LHR
2 stops21h 13mBritish Airways
Mon 6/246:20 pmLHR - SAT
2 stops29h 37mBritish Airways
Deal found 6/9$1,086
Wed 6/191:27 pmSAT - LHR
1 stop14h 53mBritish Airways
Mon 6/248:35 pmLHR - SAT
2 stops28h 20mBritish Airways
Deal found 6/9$1,097
Wed 6/191:27 pmSAT - LHR
1 stop14h 53mAmerican Airlines
Mon 6/242:10 pmLHR - SAT
1 stop15h 02mAmerican Airlines
Deal found 6/9$1,114
Tue 6/1810:38 amSAT - LHR
2 stops14h 07mDelta
Tue 7/211:30 amLHR - SAT
2 stops18h 26mDelta
Deal found 6/9$1,125
Mon 6/171:27 pmSAT - LHR
1 stop12h 23mBritish Airways
Thu 7/111:05 pmLHR - SAT
1 stop12h 42mBritish Airways
Deal found 6/9$1,127
Thu 6/2012:08 pmSAT - LHR
1 stop12h 37mDelta
Thu 7/113:55 pmLHR - SAT
1 stop14h 53mDelta
Deal found 6/9$1,134

One-way flights to Heathrow from San Antonio

Search for one-way flight options from San Antonio to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Users traveling one-way from San Antonio to London can select one of these great deals. For those needing a return trip from San Antonio, there is a search form available above.
Wed 10/25:00 amSAT - LHR
3 stops26h 25mMultiple Airlines
Deal found 6/9$327
Wed 10/212:10 pmSAT - LHR
2 stops18h 10mUnited Airlines
Deal found 6/9$406
Wed 10/95:00 amSAT - LHR
3 stops25h 05mMultiple Airlines
Deal found 6/9$427
Wed 10/912:00 pmSAT - LHR
1 stop12h 25mKLM
Deal found 6/9$428
Mon 7/812:28 pmSAT - LHR
1 stop19h 57mIberia
Deal found 6/9$504
Fri 7/191:20 pmSAT - LHR
1 stop14h 10mJetBlue
Deal found 6/9$515
Mon 7/812:05 pmSAT - LHR
2 stops17h 45mUnited Airlines
Deal found 6/9$516
Fri 7/1912:05 pmSAT - LHR
2 stops14h 15mUnited Airlines
Deal found 6/9$570
Wed 6/198:35 pmSAT - LHR
1 stop13h 05mMultiple Airlines
Deal found 6/9$736

Find flights from San Antonio to Heathrow within your budget

Customize your flight search to find flights from San Antonio to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$634 - $857

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 10/9

2 stops18h 30m

London Heathrow

Thu 10/17

2 stops17h 44m

$634

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 10/9

1 stop12h 25m

London Heathrow

Thu 10/17

1 stop16h 27m

$648

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/4

2 stops15h 25m

London Heathrow

Wed 9/11

2 stops16h 55m

$652

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 9/17

1 stop15h 07m

London Heathrow

Tue 10/8

2 stops19h 16m

$677

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/11

1 stop11h 40m

London Heathrow

Mon 9/16

2 stops17h 28m

$717

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sat 9/7

1 stop29h 50m

London Heathrow

Sun 9/22

1 stop12h 47m

$740

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Mon 8/12

1 stop13h 37m

London Heathrow

Sat 8/24

1 stop12h 38m

$770

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Thu 9/12

2 stops18h 40m

London Heathrow

Sat 9/28

2 stops32h 03m

$778

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 8/16

2 stops20h 35m

London Heathrow

Mon 8/19

2 stops32h 00m

$857

Flights are sorted by cheapest first

Deals found on 6/9

How far ahead should I book a flight from San Antonio to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Heathrow. Price data was last updated on May 31, 2024.
To ensure you get the cheapest price possible for a flight from San Antonio to London Heathrow Airport, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

What is the cheapest day to fly from San Antonio to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Heathrow. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Antonio to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Antonio to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated June 10, 2024.
Read through reviews of airlines operating flights from San Antonio to London, such as Lufthansa, KLM and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,295 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,295 reviews
Delta
8.0
Very good
10,295 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,477 reviews
Delta
8.0
Very good
10,295 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.8
Good
1,359 reviews
Delta
8.0
Very good
10,295 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

JetBlue
7.6
Good
4,279 reviews
Delta
8.0
Very good
10,295 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.6
Good
714 reviews
Delta
8.0
Very good
10,295 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to London Heathrow?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to London Heathrow from San Antonio. Booking flights from San Antonio (SAT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 9 different airlines.

  • Can I find flights from San Antonio to London Heathrow Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from San Antonio to London Heathrow Airport for under $700. The cheapest flight booked recently is on United Airlines for just $634, but on average you can expect to pay $678.

  • Are there last-minute flights available from San Antonio to London Heathrow Airport for under $1,100?

    There are currently 20+ open flights from San Antonio to London Heathrow Airport within the next 7 days for less than $1,100.

  • What are the cheapest airlines flying from San Antonio to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from San Antonio to London Heathrow Airport round-trip from $634. Other airlines that can offer you cheap pricing are KLM, from $648, and Air Canada, from $652. United Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Antonio to London Heathrow Airport one-way?

    $406 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on KLM and Iberia, with prices starting from $428 and $504, respectively.

  • What does SAT to LHR mean?

    Great question - SAT to LHR just means San Antonio Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from San Antonio to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your San Antonio to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Antonio to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Antonio to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Antonio to Heathrow that include hotel bookings?

    Yes. In addition to deals on San Antonio to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Heathrow.

  • Can I find deals for business class flights from San Antonio to Heathrow?

    Yes. Cheapflights offers flight deals from San Antonio to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Antonio to Heathrow that allow pets onboard?

    Many airlines flying from San Antonio to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Antonio to Heathrow?

    Yes, you can often find last-minute deals on San Antonio to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Antonio to London Heathrow Airport flight deals updated?

    The San Antonio to London Heathrow Airport flight deals you see on this page were last updated on 6/10.

  • What are the most popular airlines that fly from San Antonio to London Heathrow Airport?

    When booking a flight from San Antonio to London Heathrow Airport, you may want to consider flying on American Airlines, Finnair or British Airways as they are the most popular for this route.

  • What is the cheapest month to book a flight from San Antonio to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $653). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $1,102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Antonio to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Top 9 airlines flying from San Antonio to Heathrow

Discover the top 9 airlines that operate flights from San Antonio to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$519Average$1,237FlexibilityNo cancel feeOn-time76%
KLMCheapest$604Average$1,117FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$610Average$955FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$619Average$900FlexibilityNo cancel feeOn-time70%
IberiaCheapest$630Average$885FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$634Average$932FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$926FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$653Average$914FlexibilityNo cancel feeOn-time71%
FinnairCheapest$672Average$698FlexibilityNo cancel feeOn-time76%
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Search flights from San Antonio to Heathrow by cabin class

Find flights from San Antonio to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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