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Cheap flights from Ontario to Key West (ONT - EYW) from $263

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 8/6. 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 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
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 6, 2024.

Popular in

May

Cheapest in

January

Average price

$631

Round-trip from

$373
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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Average for round-trip flights in June 2024
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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 3,050,429 searches. Prices were last updated on June 6, 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.
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 7/161:44 pmEYW - ONT
1 stop8h 06mAmerican Airlines
Deal found 6/5$503
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 7/163:10 pmEYW - ONT
2 stops9h 30mAmerican Airlines
Deal found 6/5$508
Thu 7/116:05 amONT - EYW
1 stop7h 17mAmerican Airlines
Tue 7/164:24 pmEYW - ONT
1 stop9h 36mAmerican Airlines
Deal found 6/5$558
Thu 7/116:05 amONT - EYW
1 stop7h 17mAmerican Airlines
Tue 7/164:59 pmEYW - ONT
1 stop8h 06mAmerican Airlines
Deal found 6/6$563
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Mon 7/153:44 pmEYW - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/6$568
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Mon 7/152:19 pmEYW - ONT
2 stops10h 21mAmerican Airlines
Deal found 6/6$608
Thu 7/1110:36 pmONT - EYW
1 stop10h 28mAmerican Airlines
Mon 7/153:44 pmEYW - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/5$618
Thu 7/116:05 amONT - EYW
1 stop7h 17mAmerican Airlines
Mon 7/153:44 pmEYW - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/6$628
Fri 6/1411:59 pmONT - EYW
2 stops14h 17mAmerican Airlines
Fri 6/212:40 pmEYW - ONT
2 stops10h 29mAmerican Airlines
Deal found 6/6$638

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 3,050,429 searches. Data last updated June 6, 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.
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 7/161:44 pmEYW - ONT
1 stop8h 06mAmerican Airlines
Deal found 6/5$503
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Tue 7/163:10 pmEYW - ONT
2 stops9h 30mAmerican Airlines
Deal found 6/5$508
Thu 7/116:05 amONT - EYW
1 stop7h 17mAmerican Airlines
Tue 7/164:24 pmEYW - ONT
1 stop9h 36mAmerican Airlines
Deal found 6/5$558
Thu 7/116:05 amONT - EYW
1 stop7h 17mAmerican Airlines
Tue 7/164:59 pmEYW - ONT
1 stop8h 06mAmerican Airlines
Deal found 6/6$563
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Mon 7/153:44 pmEYW - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/6$568
Thu 7/117:18 pmONT - EYW
2 stops12h 17mAmerican Airlines
Mon 7/152:19 pmEYW - ONT
2 stops10h 21mAmerican Airlines
Deal found 6/6$608
Thu 7/1110:36 pmONT - EYW
1 stop10h 28mAmerican Airlines
Mon 7/153:44 pmEYW - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/5$618
Thu 7/116:05 amONT - EYW
1 stop7h 17mAmerican Airlines
Mon 7/153:44 pmEYW - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/6$628
Fri 6/1411:59 pmONT - EYW
2 stops14h 17mAmerican Airlines
Fri 6/212:40 pmEYW - ONT
2 stops10h 29mAmerican Airlines
Deal found 6/6$638

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 3,050,429 searches. Data last updated June 6, 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 6/212:40 pmEYW - ONT
1 stop11h 19mAmerican Airlines
Deal found 6/6$563
Fri 6/147:26 pmONT - EYW
2 stops12h 19mAmerican Airlines
Fri 6/212:40 pmEYW - ONT
1 stop11h 19mAmerican Airlines
Deal found 6/6$568
Fri 6/1411:59 pmONT - EYW
2 stops14h 17mAmerican Airlines
Fri 6/212:40 pmEYW - ONT
2 stops10h 29mAmerican Airlines
Deal found 6/6$638
Wed 6/1210:45 pmONT - EYW
1 stop10h 21mAmerican Airlines
Sat 6/151:41 pmEYW - ONT
1 stop8h 16mAmerican Airlines
Deal found 6/5$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 3,050,429 searches. Data last updated June 6, 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 8/66:25 pmONT - EYW
2 stops17h 10mUnited Airlines
Deal found 6/5$263
Wed 7/106:25 pmONT - EYW
2 stops18h 55mUnited Airlines
Deal found 6/5$280
Thu 8/86:25 pmONT - EYW
2 stops17h 10mUnited Airlines
Deal found 6/5$283
Wed 7/101:45 pmONT - EYW
3 stops21h 50mUnited Airlines
Deal found 6/5$360
Sun 9/157:40 amONT - EYW
2 stops27h 29mUnited Airlines
Deal found 6/5$385
Mon 6/176:25 pmONT - EYW
2 stops18h 55mUnited Airlines
Deal found 6/6$403
Tue 8/66:00 amONT - EYW
1 stop7h 10mAmerican Airlines
Deal found 6/5$429
Mon 6/176:00 amONT - EYW
1 stop7h 24mAmerican Airlines
Deal found 6/6$444
Wed 7/1010:36 pmONT - EYW
1 stop10h 28mAmerican Airlines
Deal found 6/5$979

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$503 - $988

Route

Depart

Return

Price

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

2 stops12h 17m

Key West

Tue 7/16

1 stop8h 06m

$503

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

2 stops12h 17m

Key West

Tue 7/16

2 stops9h 30m

$508

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

1 stop7h 17m

Key West

Tue 7/16

1 stop9h 36m

$558

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

1 stop7h 17m

Key West

Tue 7/16

1 stop8h 06m

$563

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

2 stops12h 17m

Key West

Mon 7/15

1 stop9h 21m

$568

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Wed 7/24

2 stops25h 35m

Key West

Mon 7/29

2 stops28h 13m

$651

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Thu 7/11

2 stops14h 55m

Key West

Mon 7/15

3 stops28h 13m

$759

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Fri 6/21

2 stops18h 55m

Key West

Wed 6/26

2 stops29h 08m

$771

OntarioKey West

ONT - EYW

ONTEYW

Ontario

Wed 9/18

1 stop9h 27m

Key West

Sun 9/22

1 stop7h 30m

$988

Flights are sorted by cheapest first

Deals found on 6/5

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 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Key West flight should consider departing on Tuesday 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.
Search Deals

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 6, 2024.
See what other customers who have flown with 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.
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
10,696 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Entertainment

8.0

Overall

8.0

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 $600 on Cheapflights?

    Yes, there are multiple flights from Ontario to Key West for under $600. The cheapest flight booked recently is on American Airlines for just $503, but on average you can expect to pay $1,057.

  • Are there last-minute flights available from Ontario to Key West for under $600?

    There are currently 4+ open flights from Ontario to Key West within the next 7 days for less than $600.

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

    American Airlines, at $503, was found to be the cheapest airline from Ontario to Key West.Alternate airlines to your destination round-trip include United Airlines and Delta. American Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • 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 6/6.

  • 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$412Average$711FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$432Average$677FlexibilityNo 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.
First Class
Business Class
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