The cheapest times to fly from DCA to TOS are

  • August 20th to September 16th
  • October 8th to March 25th (except the weeks of December 17th and March 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DCA to TOS is early to mid January. Prices can be as high as $2322 for Friday flights during early to mid June, or as low as $733 for Tuesday flights around early to mid January.


When to Fly to Tromsø

Flying from Washington, DC (DCA) to Tromso (TOS) will usually cost between $983 to $1748 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid January with an average ticket price of $1038. Due to high demand the most expensive time to fly is early to mid June, with an average price of $1803. Planning your trip to low-cost times can easily save you $766 on economy flights and even more on first-class flights. Generally, any price below $1219 can be considered a good price for a round-trip DCA to TOS flight.

See below for a graph of average weekly prices for the DCA to TOS route. All prices are for round-trip tickets in USD.

DCA to TOS Flight Prices

Compared to other flights, the DCA to TOS flight is slightly more expensive than the average and costs about as much as the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Tromsø, and Saturdays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $310 (22%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1123. Return trip prices are from the TOS to DCA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DCA to TOS can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 56 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from DCA to TOS while comparing.

Destination alternative #1: Kiruna Airport (KRN) in Kiruna

  • 133 miles (214 km) away from TOS
  • Usually 1.56% less expensive than TOS
  • 2-layover flights available

See DCA to KRN flights


Flight Hacking DCA to TOS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from DCA to TOS — but Champion Traveler does!

Hack #1: London (DCA > LGW > TOS)

  • Price for both tickets: $913
  • Average savings: $307 (25.14%)

See DCA to LGW flights

Hack #2: New York, NY (DCA > JFK > TOS)

  • Price for both tickets: $922
  • Average savings: $297 (24.36%)

See DCA to JFK flights

Hack #3: Oslo (DCA > OSL > TOS)

  • Price for both tickets: $951
  • Average savings: $269 (22.03%)

See DCA to OSL flights


Flight Questions Answered

Still have questions about flying from DCA to TOS? We’ve got answers.

Which airlines fly this route?

You can find 17 major airlines flying this route most often: Air Canada, Air France, Alaska, American, Austrian, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue, KLM, Lufthansa, SAS, SWISS, United, Wideroe, and potentially more during busy seasons.

How far away is it from Langnes Airport to Ronald Reagan Washington National Airport?

The distance between the two airports is roughly 3864 miles or 6218 kilometers.

How long does it take to fly from DCA to TOS?

The real-world flight time for a nonstop DCA to TOS flight is about 7 hour 56 minutes.

How many flights go between Washington, DC and Tromso?

It depends on the day of the week and the date, but a typical day might have around 84 available flights from DCA to TOS.


Airport Location Info


Departing Airport

Origination code DCA
Origination airport name Ronald Reagan Washington National Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77

Return Airport

Destination code TOS
Destination airport name Langnes Airport
City Tromso
Country Norway
Latitude 69.7
Longitude 18.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.