$538 Cheap Flights from Oslo (OSL) to Key West (EYW)

View $538 flight on Sun, Dec 28, 2025Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW)

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Cheap Flights from Oslo to Key West (OSL-EYW)

Prices were available within the past 7 days and start at $538 for one-way flights and $985 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$985 Roundtrip, found 3 days ago
$985
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $985 found 3 days ago
British Airways
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$991 Roundtrip, found 3 days ago
$991
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $991 found 3 days ago
American Airlines
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,091 Roundtrip, found 3 days ago
$1,091
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,091 found 3 days ago
Finnair
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,094 Roundtrip, found 3 days ago
$1,094
Roundtrip
found 3 days ago
Select Finnair flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,094 found 3 days ago
British Airways
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,097 Roundtrip, found 3 days ago
$1,097
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,097 found 3 days ago
British Airways
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,115 Roundtrip, found 3 days ago
$1,115
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,115 found 3 days ago
British Airways
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,191 Roundtrip, found 3 days ago
$1,191
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,191 found 3 days ago
British Airways
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,198 Roundtrip, found 3 days ago
$1,198
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,198 found 3 days ago
Lufthansa
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,252 Roundtrip, found 3 days ago
$1,252
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,252 found 3 days ago
Delta
Sun, Dec 28 - Wed, Dec 31
OSL
Oslo
EYW
Key West
$1,422 Roundtrip, found 3 days ago
$1,422
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Dec 28 from Oslo to Key West, returning Wed, Dec 31, priced at $1,422 found 3 days ago
Flights from Oslo (OSL) to Key West (EYW)
Origin airport
Gardermoen
Destination airport
Key West Intl.
Roundtrip price
$984
Distance
4853 mi

Oslo to Key West Flights

The cheapest times to fly from Oslo 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 Oslo to Key West are during the month of December. You can find some of the cheapest flights from Oslo to Key West with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Oslo 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 Oslo 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 Oslo to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $538 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 Oslo 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 Oslo 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.

 

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW) cost?
Grab a cheap one-way flight from $538 or cheap return flight from $985 from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW)?
Planning your trip for December may help you find better deals, as it's the cheapest month for flights between OSL and EYW. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from OSL to EYW. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW)?
You'll have to book a flight with a layover when traveling from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from OSL to EYW?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW)?
To avoid possible delays on the Gardermoen Airport (OSL) to Key West Intl. Airport (EYW) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Gardermoen Airport (OSL) to Key West Intl. Airport (EYW) last-minute?
Last-minute fares from OSL to EYW are generally more expensive. To lock in the lowest prices, start looking for flights as early as possible. That being said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an OSL to EYW flight and hotel package?
Booking an OSL to EYW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Key West Intl. Airport (EYW)?
If you reserved your OSL to EYW flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.