$176 Cheap Flights from Ottawa (YOW) to Key West (EYW)

View $176 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Key West Intl. Airport (EYW)

Cheap Flights from Ottawa to Key West (YOW-EYW)

Prices were available within the past 7 days and start at $176 for one-way flights and $428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Mar 16 - Thu, Mar 26
YOW
Ottawa
EYW
Key West
$428 Roundtrip, found 4 days ago
$428
Roundtrip
found 4 days ago
Select United flight, departing Mon, Mar 16 from Ottawa to Key West, returning Thu, Mar 26, priced at $428 found 4 days ago
Delta
Sun, Mar 15 - Tue, Mar 24
YOW
Ottawa
EYW
Key West
$429 Roundtrip, found 4 days ago
$429
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Mar 15 from Ottawa to Key West, returning Tue, Mar 24, priced at $429 found 4 days ago
United
Mon, Mar 16 - Wed, Mar 25
YOW
Ottawa
EYW
Key West
$451 Roundtrip, found 4 days ago
$451
Roundtrip
found 4 days ago
Select United flight, departing Mon, Mar 16 from Ottawa to Key West, returning Wed, Mar 25, priced at $451 found 4 days ago
United
Mon, Mar 16 - Fri, Mar 20
YOW
Ottawa
EYW
Key West
$487 Roundtrip, found 4 days ago
$487
Roundtrip
found 4 days ago
Select United flight, departing Mon, Mar 16 from Ottawa to Key West, returning Fri, Mar 20, priced at $487 found 4 days ago
Delta
Wed, Mar 18 - Tue, Mar 24
YOW
Ottawa
EYW
Key West
$523 Roundtrip, found 4 days ago
$523
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Mar 18 from Ottawa to Key West, returning Tue, Mar 24, priced at $523 found 4 days ago
United
Thu, Mar 19 - Tue, Mar 24
YOW
Ottawa
EYW
Key West
$532 Roundtrip, found 4 days ago
$532
Roundtrip
found 4 days ago
Select United flight, departing Thu, Mar 19 from Ottawa to Key West, returning Tue, Mar 24, priced at $532 found 4 days ago
Delta
Sun, Mar 15 - Mon, Mar 23
YOW
Ottawa
EYW
Key West
$538 Roundtrip, found 4 days ago
$538
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Mar 15 from Ottawa to Key West, returning Mon, Mar 23, priced at $538 found 4 days ago
United
Sun, Mar 15 - Thu, Mar 26
YOW
Ottawa
EYW
Key West
$556 Roundtrip, found 4 days ago
$556
Roundtrip
found 4 days ago
Select United flight, departing Sun, Mar 15 from Ottawa to Key West, returning Thu, Mar 26, priced at $556 found 4 days ago
WestJet
Tue, Nov 18 - Wed, Nov 26
YOW
Ottawa
EYW
Key West
$769 Roundtrip, found 5 days ago
$769
Roundtrip
found 5 days ago
Select WestJet flight, departing Tue, Nov 18 from Ottawa to Key West, returning Wed, Nov 26, priced at $769 found 5 days ago
Porter Airlines
Fri, Dec 19 - Sat, Jan 3
YOW
Ottawa
EYW
Key West
$1,720 Roundtrip, found 3 days ago
$1,720
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Fri, Dec 19 from Ottawa to Key West, returning Sat, Jan 3, priced at $1,720 found 3 days ago

Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW) cost?
Grab a cheap one-way flight from $176 or cheap return flight from $428 from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW)?
March is the cheapest month to fly from YOW to EYW. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW)?
To find the cheapest airline that'll fly you from YOW to EYW, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW)?
There aren't any daily nonstop flights available from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from YOW to EYW?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW)?
To reach Key West Intl. Airport (EYW) without delays, book a flight that leaves Macdonald-Cartier Intl. Airport (YOW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW) last-minute?
Booking your flight from YOW to EYW shortly before your trip is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a YOW to EYW flight and hotel package?
You'll generally save money by booking a YOW to EYW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Key West Intl. Airport (EYW)?
Generally, it's possible to reschedule or cancel your YOW to EYW flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Key West Intl.
Roundtrip price
$427
Distance
1474 mi

Book with confidence

Ottawa to Key West Flights

The cheapest times to fly from Ottawa to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ottawa to Key West are during the month of March. You can find some of the cheapest flights from Ottawa to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to Key West

Sunday is one of the best days to book for cheap flights from Ottawa to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ottawa to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ottawa to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $176 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ottawa to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ottawa to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ottawa to Key West Flights

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*Available to One Key members.