$540 Cheap Flights from Oslo (OSL) to Key West (EYW)

View $540 flight on Sun, Jan 18, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $540 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Oslo (OSL) to Key West (EYW)
Origin airport
Gardermoen
Destination airport
Key West Intl.
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 . 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 $540 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?
Discover the latest flight deals from OSL to EYW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from OSL to EYW?
The cheapest flights from OSL to EYW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from OSL to EYW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from OSL to EYW. 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.