$406 Cheap Flights from Washington (DCA) to Tromsø (TOS)

View $406 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Tromsø (TOS-Langnes)

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Cheap Flights from Washington to Tromsø (DCA-TOS)

Prices were available within the past 7 days and start at $406 for one-way flights and $482 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, May 5 - Tue, May 12
DCA
Washington
TOS
Tromsø
$482 Roundtrip, found 18 hours ago
$482
Roundtrip
found 18 hours ago
Select Scandinavian Airlines flight, departing Tue, May 5 from Washington to Tromsø, returning Tue, May 12, priced at $482 found 18 hours ago
Scandinavian Airlines
Tue, May 5 - Tue, May 12
DCA
Washington
TOS
Tromsø
$496 Roundtrip, found 18 hours ago
$496
Roundtrip
found 18 hours ago
Select Scandinavian Airlines flight, departing Tue, May 5 from Washington to Tromsø, returning Tue, May 12, priced at $496 found 18 hours ago
Scandinavian Airlines
Mon, Nov 3 - Thu, Nov 13
DCA
Washington
TOS
Tromsø
$512 Roundtrip, found 4 days ago
$512
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Mon, Nov 3 from Washington to Tromsø, returning Thu, Nov 13, priced at $512 found 4 days ago
Scandinavian Airlines
Mon, Apr 20 - Wed, Apr 29
DCA
Washington
TOS
Tromsø
$512 Roundtrip, found 1 day ago
$512
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Mon, Apr 20 from Washington to Tromsø, returning Wed, Apr 29, priced at $512 found 1 day ago
Scandinavian Airlines
Tue, Apr 14 - Tue, Apr 21
DCA
Washington
TOS
Tromsø
$514 Roundtrip, found 6 days ago
$514
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Tue, Apr 14 from Washington to Tromsø, returning Tue, Apr 21, priced at $514 found 6 days ago
Scandinavian Airlines
Tue, Apr 14 - Tue, Apr 21
DCA
Washington
TOS
Tromsø
$528 Roundtrip, found 6 days ago
$528
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Tue, Apr 14 from Washington to Tromsø, returning Tue, Apr 21, priced at $528 found 6 days ago
Delta
Fri, Dec 5 - Thu, Dec 11
DCA
Washington
TOS
Tromsø
$549 Roundtrip, found 3 days ago
$549
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 5 from Washington to Tromsø, returning Thu, Dec 11, priced at $549 found 3 days ago
British Airways
Thu, Jan 22 - Mon, Jan 26
DCA
Washington
TOS
Tromsø
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Jan 22 from Washington to Tromsø, returning Mon, Jan 26, priced at $568 found 1 day ago
KLM
Fri, Dec 5 - Sat, Dec 13
DCA
Washington
TOS
Tromsø
$573 Roundtrip, found 5 days ago
$573
Roundtrip
found 5 days ago
Select KLM flight, departing Fri, Dec 5 from Washington to Tromsø, returning Sat, Dec 13, priced at $573 found 5 days ago
American Airlines
Wed, Dec 10 - Tue, Dec 16
DCA
Washington
TOS
Tromsø
$578 Roundtrip, found 3 days ago
$578
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 10 from Washington to Tromsø, returning Tue, Dec 16, priced at $578 found 3 days ago

Alternative airports near Tromsø

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Langnes TOS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $1,020
TOS
Langnes
CheapestClosest
Average driving time to city center6 min
Flights from $1,020

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS) cost?
Secure a cheap one-way flight from $406 or cheap return flight from $482 from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS)?
May is the cheapest month to fly from DCA to TOS. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DCA to TOS flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS)?
There are no daily direct flights available from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from DCA to TOS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS)?
Opt for a flight from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS) last-minute?
Waiting until right before your break to book a flight from DCA to TOS generally means paying more. While you may find some last-minute deals, there's no guarantee. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a DCA to TOS flight and hotel package?
You'll typically save money by securing a DCA to TOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Langnes Airport (TOS)?
If you booked your DCA to TOS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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, go to our Customer Service portal for more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Langnes
Airlines serving
British Airways, Finnair, Iberia, KLM, Scandinavian Airlines
Roundtrip price
$482
Distance
3864 mi

Book with confidence

Washington to Tromsø Flights

The cheapest times to fly from Washington to Tromsø

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 Washington to Tromsø are during the month of May. You can find some of the cheapest flights from Washington to Tromsø with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Tromsø

Sunday is one of the best days to book for cheap flights from Washington to Tromsø: 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 Washington to Tromsø

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 Washington to Tromsø in 2025. You can also book with separate airlines for your outbound and return journeys, from $406 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 Washington to Tromsø 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 Washington to Tromsø 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.

 

Washington to Tromsø Flights

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*Available to One Key members.