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Cheap flights from Ontario to Key West (ONT - EYW) from $268

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 10/8. 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.
ONT — EYW
Jun 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
1 adult, Economy
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Cheap flight deals from Ontario to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Key West (EYW). 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

May

Cheapest in

January

Round-trip from

$373

One-way from

$268
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Ontario to Key West
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One-way flight from Ontario to Key West
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What is the cheapest day to fly round-trip from Ontario to Key West?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 57% on the overall cost on flights from Ontario to Key West.

How far in advance should I book a flight from Ontario to Key West?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 37 days in advance, which can save you up to 99% on flights from Ontario to Key West compared to booking the week you need them. Waiting 37 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $416. For sooner than that we have options available in the next 3 days from $818.

What is the cheapest month to fly from Ontario to Key West?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to Key West. Flights to Key West from Ontario in January are about $551 on average during January, but can be found for as low as $366.

What is the cheapest time of day to fly from ONT to EYW?

Unlike in the morning, when flights are generally more expensive, you can save up to 1% on flights from Ontario to Key West by exploring options for tickets at noon.

Cheap Ontario to Key West flights in June & July 2024

Find cheap flight options from Ontario to Key West 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.
Scroll through some of the best deals on flights from Ontario to Key West in 2024. For more flight deals, be sure to check back very soon.
Tue 7/237:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 8/64:50 pmEYW - ONT
1 stop8h 37mAmerican Airlines
Deal found 6/9$283
Tue 7/2310:36 pmONT - EYW
1 stop10h 28mAmerican Airlines
Tue 8/64:50 pmEYW - ONT
1 stop8h 37mAmerican Airlines
Deal found 6/9$373
Tue 7/237:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 8/61:41 pmEYW - ONT
2 stops9h 42mAmerican Airlines
Deal found 6/9$413
Sun 7/216:50 amONT - EYW
1 stop9h 48mDelta
Wed 7/246:03 pmEYW - ONT
1 stop7h 54mDelta
Deal found 6/8$468
Fri 6/146:00 amONT - EYW
1 stop7h 24mAmerican Airlines
Fri 6/213:25 pmEYW - ONT
1 stop9h 44mAmerican Airlines
Deal found 6/9$498
Fri 6/147:26 pmONT - EYW
2 stops12h 19mAmerican Airlines
Fri 6/213:25 pmEYW - ONT
1 stop9h 44mAmerican Airlines
Deal found 6/9$503
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 7/163:10 pmEYW - ONT
2 stops11h 39mAmerican Airlines
Deal found 6/9$508
Fri 6/146:00 amONT - EYW
2 stops9h 59mAmerican Airlines
Fri 6/211:41 pmEYW - ONT
2 stops10h 59mAmerican Airlines
Deal found 6/9$543
Tue 7/231:47 pmONT - EYW
3 stops21h 48mUnited Airlines
Tue 8/65:05 pmEYW - ONT
2 stops31h 06mUnited Airlines
Deal found 6/9$557

Ontario to Key West 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Key West 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.
Scroll through some of the best deals on flights from Ontario to Key West in 2024. For more flight deals, be sure to check back very soon.
Tue 7/237:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 8/64:50 pmEYW - ONT
1 stop8h 37mAmerican Airlines
Deal found 6/9$283
Tue 7/2310:36 pmONT - EYW
1 stop10h 28mAmerican Airlines
Tue 8/64:50 pmEYW - ONT
1 stop8h 37mAmerican Airlines
Deal found 6/9$373
Tue 7/237:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 8/61:41 pmEYW - ONT
2 stops9h 42mAmerican Airlines
Deal found 6/9$413
Sun 7/216:50 amONT - EYW
1 stop9h 48mDelta
Wed 7/246:03 pmEYW - ONT
1 stop7h 54mDelta
Deal found 6/8$468
Fri 6/146:00 amONT - EYW
1 stop7h 24mAmerican Airlines
Fri 6/213:25 pmEYW - ONT
1 stop9h 44mAmerican Airlines
Deal found 6/9$498
Fri 6/147:26 pmONT - EYW
2 stops12h 19mAmerican Airlines
Fri 6/213:25 pmEYW - ONT
1 stop9h 44mAmerican Airlines
Deal found 6/9$503
Fri 8/26:50 amONT - EYW
1 stop9h 48mDelta
Thu 8/86:03 pmEYW - ONT
1 stop7h 54mDelta
Deal found 6/9$505
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 7/163:10 pmEYW - ONT
2 stops11h 39mAmerican Airlines
Deal found 6/9$508
Fri 6/146:00 amONT - EYW
2 stops9h 59mAmerican Airlines
Fri 6/211:41 pmEYW - ONT
2 stops10h 59mAmerican Airlines
Deal found 6/9$543

Ontario to Key West flights leaving soon

Find last-minute flight options from Ontario to Key West 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 9, 2024.
Have a look at some of the flights available from Ontario to Key West departing last-minute. Tip: verify your flight details before completing your reservation.
Fri 6/146:00 amONT - EYW
1 stop7h 24mAmerican Airlines
Fri 6/213:25 pmEYW - ONT
1 stop9h 44mAmerican Airlines
Deal found 6/9$498
Fri 6/147:26 pmONT - EYW
2 stops12h 19mAmerican Airlines
Fri 6/213:25 pmEYW - ONT
1 stop9h 44mAmerican Airlines
Deal found 6/9$503
Fri 6/146:00 amONT - EYW
2 stops9h 59mAmerican Airlines
Fri 6/211:41 pmEYW - ONT
2 stops10h 59mAmerican Airlines
Deal found 6/9$543
Fri 6/146:25 pmONT - EYW
2 stops10h 50mUnited Airlines
Sun 6/162:55 pmEYW - ONT
2 stops9h 08mUnited Airlines
Deal found 6/9$1,161
Tue 6/186:00 amONT - EYW
1 stop7h 12mAmerican Airlines
Tue 6/254:52 pmEYW - ONT
1 stop8h 17mAmerican Airlines
Deal found 6/9$1,968
Fri 6/146:00 amONT - EYW
1 stop7h 24mAmerican Airlines
Sun 6/164:59 pmEYW - ONT
1 stop9h 00mAmerican Airlines
Deal found 6/9$2,409

One-way flights to Key West from Ontario

Search for one-way flight options from Ontario to Key West. 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.
Users traveling one-way from Ontario to Key West can select one of these great deals. For those needing a return trip from Ontario, there is a search form available above.
Tue 10/86:32 amONT - EYW
1 stop6h 33mAmerican Airlines
Deal found 6/9$268
Tue 10/811:59 pmONT - EYW
2 stops10h 06mAlaska Airlines
Deal found 6/9$433
Fri 10/187:00 amONT - EYW
1 stop9h 33mDelta
Deal found 6/9$619
Fri 10/186:00 amONT - EYW
2 stops10h 33mDelta
Deal found 6/9$684
Fri 10/181:30 pmONT - EYW
3 stops46h 07mUnited Airlines
Deal found 6/9$1,196

Find flights from Ontario to Key West within your budget

Customize your flight search to find flights from Ontario to Key West 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

$283 - $652

Route

Depart

Return

Price

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Tue 7/23

2 stops12h 17m

Key West

Tue 8/6

1 stop8h 37m

$283

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Tue 7/23

1 stop10h 28m

Key West

Tue 8/6

1 stop8h 37m

$373

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Tue 7/23

2 stops12h 17m

Key West

Tue 8/6

2 stops9h 42m

$413

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Sun 7/21

1 stop9h 48m

Key West

Wed 7/24

1 stop7h 54m

$468

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

2 stops12h 17m

Key West

Tue 7/16

1 stop9h 50m

$503

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Fri 8/2

1 stop9h 48m

Key West

Thu 8/8

1 stop7h 54m

$505

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Tue 7/23

3 stops21h 48m

Key West

Tue 8/6

2 stops31h 06m

$557

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Sun 7/21

1 stop9h 48m

Key West

Wed 7/24

2 stops12h 29m

$563

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Fri 8/2

2 stops25h 35m

Key West

Thu 8/8

2 stops28h 13m

$652

Flights are sorted by cheapest first

Deals found on 6/9

What is the cheapest day to fly from Ontario to Key West?

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

Have a flexible travel schedule? Discover the best time to fly to Key West from Ontario 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 Key West by month

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

EYW

Temperature

69.8 - 84.2 °F

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated June 9, 2024.
See what other customers who have flown with Delta, American Airlines and United Airlines from Ontario to Key West have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,254 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,295 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,661 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,172 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Key West. 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 Ontario to Key West for under $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Key West for under $300. The cheapest flight booked recently is on American Airlines for just $283, but on average you can expect to pay $578.

  • Are there last-minute flights available from Ontario to Key West for under $500?

    There are currently 6+ open flights from Ontario to Key West within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Ontario to Key West round-trip?

    American Airlines, at $283, was found to be the cheapest airline from Ontario to Key West.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Key West one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $268. Alaska Airlines flights start at $433 while deals on Delta start at $619 one-way.

  • What does ONT to EYW mean?

    This is defined as Ontario Airport (ONT) and Key West Airport (EYW). Codes like Key West Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Ontario to Key West that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Key West 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 Ontario to Key West with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Key West 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 Ontario to Key West that include hotel bookings?

    Yes. In addition to deals on Ontario to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Key West.

  • Can I find deals for business class flights from Ontario to Key West?

    Yes. Cheapflights offers flight deals from Ontario to Key West 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 Ontario to Key West that allow pets onboard?

    Many airlines flying from Ontario to Key West 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 Ontario to Key West?

    Yes, you can often find last-minute deals on Ontario to Key West 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 Ontario to Key West flight deals updated?

    The Ontario to Key West flight deals you see on this page were last updated on 6/9.

  • What is the cheapest month to book a flight from Ontario to Key West?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Key West (average of $373). Flying from Ontario to Key West in March is currently the most expensive (average of $503). 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.

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Top 2 airlines flying from Ontario to Key West

Discover the top 2 airlines that operate flights from Ontario to Key West. 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
DeltaCheapest$411Average$632FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$437Average$658FlexibilityNo cancel feeOn-time71%
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Search flights from Ontario to Key West by cabin class

Find flights from Ontario to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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