ONT - EYW

$279 Find Cheap Flights from Ontario to Key West

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Key West departing on 7/13. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Key West

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Key West, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Key West, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$412
American Airlines
Sat 4/25Thu 4/30
ONT - EYW • 1 stop
Cheapest one-way
$279
Multiple Airlines
Mon 7/13
ONT - EYW • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Ontario and Key West. You'll need at least 1 connection.
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Top layover airports
Atlanta (ATL)
Cheapest • Avg $388 (round-trip)
Houston (IAH)
Shortest trip • 7h 02m (one-way)
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Key West!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Key West (ONT-EYW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Key West that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Key West

Sat, Apr 25 - Thu, Apr 30
American Airlines Logo
10:26 pm - 11:16 am
ONT
-
EYW
9h 50m
1 stop
American Airlines Logo
2:01 pm - 9:07 pm
EYW
-
ONT
10h 06m
1 stop
$412American Airlines
Sat, Apr 25 - Thu, Apr 30
American Airlines Logo
11:59 pm - 3:40 pm
ONT
-
EYW
12h 41m
2 stops
American Airlines Logo
2:01 pm - 9:07 pm
EYW
-
ONT
10h 06m
1 stop
$417American Airlines
Tue, Aug 4 - Tue, Aug 11
Delta Logo
7:05 am - 7:51 pm
ONT
-
EYW
9h 46m
1 stop
Delta Logo
11:45 am - 6:01 pm
EYW
-
ONT
9h 16m
1 stop
$433Delta
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
6:05 am - 3:57 pm
ONT
-
EYW
6h 52m
1 stop
United Airlines Logo
3:52 pm - 10:31 pm
EYW
-
ONT
9h 39m
1 stop
$435United Airlines
Thu, May 7 - Thu, May 14
American Airlines Logo
7:30 am - 10:58 pm
ONT
-
EYW
12h 28m
2 stops
American Airlines Logo
2:01 pm - 9:07 pm
EYW
-
ONT
10h 06m
1 stop
$450American Airlines
Sat, Apr 25 - Thu, Apr 30
American Airlines Logo
11:59 pm - 3:40 pm
ONT
-
EYW
12h 41m
2 stops
American Airlines Logo
4:20 pm - 11:46 pm
EYW
-
ONT
10h 26m
2 stops
$452American Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
6:05 am - 3:57 pm
ONT
-
EYW
6h 52m
1 stop
United Airlines Logo
3:52 pm - 10:31 pm
EYW
-
ONT
9h 39m
1 stop
$455United Airlines
Tue, Apr 21 - Sat, Apr 25
American Airlines Logo
11:59 pm - 3:40 pm
ONT
-
EYW
12h 41m
2 stops
American Airlines Logo
2:01 pm - 9:07 pm
EYW
-
ONT
10h 06m
1 stop
$495American Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 4:02 pm
ONT
-
EYW
7h 02m
1 stop
United Airlines Logo
4:47 pm - 9:58 pm
EYW
-
ONT
8h 11m
1 stop
$499United Airlines
Thu, May 7 - Thu, May 14
American Airlines Logo
11:59 pm - 3:40 pm
ONT
-
EYW
12h 41m
2 stops
American Airlines Logo
2:01 pm - 9:07 pm
EYW
-
ONT
10h 06m
1 stop
$500American Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Key West flights

Get data-powered insights and trends into flights from Ontario to Key West to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Key West?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Ontario to Key West were found on American Airlines ($412) and Delta ($433).

Find deals

Good to know

Cheapest flight$279
Flight from Ontario to Key West

When to book flights from Ontario to Key West

Are your dates flexible? Find out the best times to travel from Ontario to Key West based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Key West

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

    In the last 3 days, the lowest price for a flight from Ontario to Key West was $279 for a one-way ticket and $412 for a round-trip.

  • Do I need a passport to fly between Ontario and Key West?

    No

  • Which aircraft models fly most regularly from Ontario to Key West?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Ontario to Key West?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Key West.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Key West?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key West from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Key West?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Key West with an airline and back to Ontario with another airline. Booking your flights between Ontario and EYW can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Key West?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Key West from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Key West

Information on your arrival and departure airports

Ontario (ONT)
Key West (EYW)