Cheap flights from St. Louis (STL) to Singapore (SIN) from $829

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 7/9. 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.
STL — SIN
Jun 14 — Jun 211

Cheap flight deals from St. Louis to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Singapore (SIN). 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 9, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$1,139

One-way from

$829
High demand for flights, 23% potential price rise
Best time to find cheap flights, 17% potential price drop
From Lambert-St Louis to Singapore Changi
One-way flight from Lambert-St Louis to Singapore Changi

What is the cheapest day to fly round-trip from St. Louis to Singapore?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from St. Louis to Singapore?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Singapore. Flights to Singapore from St. Louis in April are about $1,703 on average during April, but can be found for as low as $1,370.

What is the cheapest time of day to fly from STL to SIN?

When flying from St. Louis to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus a flight in the afternoon.

Cheap St. Louis to Singapore flights in June & July 2024

Find cheap flight options from St. Louis to Singapore 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 9, 2024.
Check out some of the best flight deals from St. Louis to Singapore in 2024. For more flight deals, be sure to check back very soon.
Sun 7/145:30 pmSTL - SIN
2 stops36h 15mUnited Airlines
Mon 7/228:45 amSIN - STL
2 stops26h 26mUnited Airlines
Deal found 6/7$1,757
Sun 7/75:30 pmSTL - SIN
2 stops36h 15mUnited Airlines
Sat 7/279:00 pmSIN - STL
2 stops36h 31mUnited Airlines
Deal found 6/9$1,809
Sun 7/712:15 pmSTL - SIN
3 stops31h 30mMultiple Airlines
Sat 7/279:10 amSIN - STL
2 stops48h 55mMultiple Airlines
Deal found 6/9$1,972
Sun 7/146:04 amSTL - SIN
2 stops35h 11mJapan Airlines
Sun 7/211:50 amSIN - STL
2 stops34h 17mJapan Airlines
Deal found 6/7$1,979
Sun 7/76:04 amSTL - SIN
2 stops35h 11mJapan Airlines
Fri 7/261:50 amSIN - STL
2 stops34h 17mJapan Airlines
Deal found 6/9$1,995
Sun 7/79:47 amSTL - SIN
3 stops40h 38mCathay Pacific
Fri 7/261:45 amSIN - STL
2 stops34h 22mCathay Pacific
Deal found 6/9$2,396
Sun 7/149:47 amSTL - SIN
3 stops40h 38mCathay Pacific
Mon 7/229:45 amSIN - STL
2 stops26h 22mCathay Pacific
Deal found 6/7$2,418
Sun 7/149:47 amSTL - SIN
3 stops40h 38mCathay Pacific
Sun 7/211:45 amSIN - STL
2 stops34h 22mCathay Pacific
Deal found 6/7$2,474
Sun 7/75:30 pmSTL - SIN
2 stops58h 05mLufthansa
Sat 7/2711:40 pmSIN - STL
1 stop26h 50mLufthansa
Deal found 6/9$2,939

St. Louis to Singapore 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Singapore 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 9, 2024.
Check out some of the best flight deals from St. Louis to Singapore in 2024. For more flight deals, be sure to check back very soon.
Sun 7/145:30 pmSTL - SIN
2 stops36h 15mUnited Airlines
Mon 7/228:45 amSIN - STL
2 stops26h 26mUnited Airlines
Deal found 6/7$1,757
Fri 8/26:09 pmSTL - SIN
2 stops35h 26mFinnair
Sat 8/179:45 pmSIN - STL
2 stops33h 54mFinnair
Deal found 6/8$1,786
Sun 7/75:30 pmSTL - SIN
2 stops36h 15mUnited Airlines
Sat 7/279:00 pmSIN - STL
2 stops36h 31mUnited Airlines
Deal found 6/9$1,809
Fri 8/211:25 amSTL - SIN
2 stops29h 50mUnited Airlines
Fri 8/168:45 amSIN - STL
2 stops26h 26mUnited Airlines
Deal found 6/9$1,859
Fri 8/26:29 amSTL - SIN
2 stops34h 46mJapan Airlines
Fri 8/161:50 amSIN - STL
2 stops33h 52mJapan Airlines
Deal found 6/9$1,899
Fri 8/26:29 amSTL - SIN
2 stops46h 06mJapan Airlines
Fri 8/161:50 amSIN - STL
2 stops33h 52mJapan Airlines
Deal found 6/8$1,900
Sun 7/712:15 pmSTL - SIN
3 stops31h 30mMultiple Airlines
Sat 7/279:10 amSIN - STL
2 stops48h 55mMultiple Airlines
Deal found 6/9$1,972
Sun 7/146:04 amSTL - SIN
2 stops35h 11mJapan Airlines
Sun 7/211:50 amSIN - STL
2 stops34h 17mJapan Airlines
Deal found 6/7$1,979
Fri 8/29:47 amSTL - SIN
2 stops30h 43mCathay Pacific
Fri 8/161:25 pmSIN - STL
3 stops43h 22mCathay Pacific
Deal found 6/9$1,981

One-way flights to Singapore from St. Louis

Search for one-way flight options from St. Louis to Singapore. 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 9, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Singapore. Those needing a return flight from St. Louis to Singapore can use the search form above.
Tue 7/96:04 amSTL - SIN
2 stops35h 11mJapan Airlines
Deal found 6/9$829
Tue 7/99:47 amSTL - SIN
3 stops40h 38mCathay Pacific
Deal found 6/9$1,353

Find flights from St. Louis to Singapore within your budget

Customize your flight search to find flights from St. Louis to Singapore 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 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,757 - $2,939

Route

Depart

Return

Price

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sun 7/14

2 stops36h 15m

Singapore Changi

Mon 7/22

2 stops26h 26m

$1,757

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Fri 8/2

2 stops35h 26m

Singapore Changi

Sat 8/17

2 stops33h 54m

$1,786

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sun 7/7

2 stops36h 15m

Singapore Changi

Sat 7/27

2 stops36h 31m

$1,809

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Fri 8/2

2 stops34h 46m

Singapore Changi

Fri 8/16

2 stops33h 52m

$1,899

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Fri 8/2

2 stops46h 06m

Singapore Changi

Fri 8/16

2 stops33h 52m

$1,900

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sun 7/7

3 stops31h 30m

Singapore Changi

Sat 7/27

2 stops48h 55m

$1,972

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Fri 8/2

2 stops30h 43m

Singapore Changi

Fri 8/16

3 stops43h 22m

$1,981

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Fri 8/2

3 stops40h 38m

Singapore Changi

Fri 8/16

3 stops43h 22m

$1,997

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sun 7/7

2 stops58h 05m

Singapore Changi

Sat 7/27

1 stop26h 50m

$2,939

Flights are sorted by cheapest first

Deals found on 6/7

What is the cheapest day to fly from St. Louis to Singapore?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Singapore. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Singapore flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday 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 St. Louis to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from St. Louis 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 Singapore by month

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

SIN

Temperature

78.8 - 82.4 °F

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated June 9, 2024.
Get a feel of what it's like to fly with Lufthansa, United Airlines and Japan Airlines from St. Louis to Singapore by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very good
1,461 reviews

Comfort

8.2

Overall

8.3

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

8.3
Very good
1,461 reviews
8.3
Very good
1,461 reviews

Comfort

8.2

Overall

8.3

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.8
Good
1,030 reviews
8.3
Very good
1,461 reviews

Comfort

8.2

Overall

8.3

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.8
Good
1,359 reviews
8.3
Very good
1,461 reviews

Comfort

8.2

Overall

8.3

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.7
Good
4,307 reviews
8.3
Very good
1,461 reviews

Comfort

8.2

Overall

8.3

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.4
Good
3,717 reviews
8.3
Very good
1,461 reviews

Comfort

8.2

Overall

8.3

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Singapore for under $1,800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Singapore for under $1,800. The cheapest flight booked recently is on United Airlines for just $1,757, but on average you can expect to pay $2,191.

  • What are the cheapest airlines flying from St. Louis to Singapore round-trip?

    Cheapflights users have booked flights from St. Louis to Singapore round-trip from $1,757. Other airlines that can offer you cheap pricing are Finnair, from $1,786, and Japan Airlines, from $1,899.

  • What does STL to SIN mean?

    This is defined as Lambert-St Louis Airport (STL) and Singapore Changi Airport (SIN). Codes like Singapore Changi Airport are often used to just call airports uniquely.

  • Can I find deals for flights from St. Louis to Singapore that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Singapore 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 St. Louis to Singapore with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Singapore 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 St. Louis to Singapore that include hotel bookings?

    Yes. In addition to deals on St. Louis to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Singapore.

  • Can I find deals for business class flights from St. Louis to Singapore?

    Yes. Cheapflights offers flight deals from St. Louis to Singapore 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 St. Louis to Singapore that allow pets onboard?

    Many airlines flying from St. Louis to Singapore 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 St. Louis to Singapore?

    Yes, you can often find last-minute deals on St. Louis to Singapore 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 St. Louis to Singapore flight deals updated?

    The St. Louis to Singapore flight deals you see on this page were last updated on 6/9.

  • What are the most popular airlines that fly from St. Louis to Singapore?

  • What is the cheapest month to book a flight from St. Louis to Singapore?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Singapore (average of $1,139). Flying from St. Louis to Singapore in June is currently the most expensive (average of $1,605). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Singapore
See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from St. Louis to Singapore

Discover the top 6 airlines that operate flights from St. Louis to Singapore. 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 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,308Average$1,783FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,317Average$1,657FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$1,370Average$1,716FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,401Average$1,618FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$1,433Average$1,500FlexibilityNo cancel feeOn-time79%
DeltaCheapest$1,449Average$1,529FlexibilityNo cancel feeOn-timeN/A

Search flights from St. Louis to Singapore by cabin class

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