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Tromsø

$262+ Cheap flights from Dulles Intl (IAD) to Tromsø (TOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TOS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Tromsø

Cheapest flights from Dulles Intl to Tromsø
Explore the most affordable flight options available from Dulles Intl to Tromsø. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This oojo deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 pm
IAD
-
TOS
2 stops21h 20m
Scandinavian Airlines
Wed 3/42:30 pm
TOS
-
IAD
2 stops32h 45m
Scandinavian Airlines
Deal found 1/20$471
This oojo deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:30 pm
IAD
-
TOS
3 stops32h 30m
Scandinavian Airlines
Sun 2/81:55 pm
TOS
-
IAD
2 stops33h 20m
Scandinavian Airlines
Deal found 1/19$501
This Scandinavian Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:30 pm
IAD
-
TOS
2 stops21h 20m
Scandinavian Airlines
Fri 2/138:15 pm
TOS
-
IAD
1 stop28h 35m
Scandinavian Airlines
Deal found 1/19$511
This KLM deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/266:50 pm
IAD
-
TOS
1 stop13h 00m
KLM
Tue 2/1010:25 am
TOS
-
IAD
2 stops19h 59m
KLM
Deal found 1/19$522
This oojo deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:30 pm
IAD
-
TOS
2 stops17h 00m
Scandinavian Airlines
Sat 3/147:20 pm
TOS
-
IAD
2 stops51h 55m
Scandinavian Airlines
Deal found 1/19$531
This oojo deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:30 pm
IAD
-
TOS
2 stops41h 40m
Scandinavian Airlines
Sun 3/226:15 pm
TOS
-
IAD
2 stops29h 00m
Scandinavian Airlines
Deal found 1/18$533
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2612:23 pm
IAD
-
TOS
2 stops19h 27m
Delta
Tue 2/102:50 pm
TOS
-
IAD
2 stops34h 19m
Delta
Deal found 1/19$545
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:20 pm
IAD
-
TOS
2 stops14h 15m
Scandinavian Airlines
Mon 9/146:00 am
TOS
-
IAD
2 stops16h 50m
Scandinavian Airlines
Deal found 1/21$551

Find flight deals from Dulles Intl to Tromsø

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Tromsø (TOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$471
(oojo)

One-way from

$262
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$641
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Tromso/Langnes flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Tromso/Langnes flights.
Search Deals
From Washington, D.C. Dulles Intl to Tromso/Langnes
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Tromso/Langnes
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Tromsø that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tromsø that are best for you.

Fly from

Dulles Intl

Fly to

Tromsø

Route

Depart

Return

Price

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Wed 2/25

8:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Wed 3/4

2:30 pm-5:15 pm

2 stops32h 45m

$471

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 2/9

8:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Fri 2/13

8:15 pm-6:50 pm

1 stop28h 35m

$511

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 1/26

6:50 pm-1:50 pm

1 stop13h 00m

Tromso/Langnes

Tue 2/10

10:25 am-12:24 am

2 stops19h 59m

$522

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 3/9

9:30 pm-11:00 am

3 stops32h 30m

Tromso/Langnes

Sat 3/14

7:20 pm-6:15 pm

2 stops51h 55m

$531

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Thu 2/19

8:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Mon 2/23

5:55 pm-5:15 pm

3 stops53h 20m

$541

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 1/26

12:23 pm-1:50 pm

2 stops19h 27m

Tromso/Langnes

Tue 2/10

2:50 pm-7:09 pm

2 stops34h 19m

$545

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 2/9

6:20 pm-8:10 am

2 stops31h 50m

$262

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 2/9

6:20 pm-12:30 pm

1 stop12h 10m

$276

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Tue 2/10

9:45 pm-9:50 am

3 stops30h 05m

$284

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Tue 2/10

5:05 pm-11:45 am

1 stop12h 40m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Tromsø flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Tromsø flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Tromsø flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Tromsø flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Tromsø flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Tromsø

Have a flexible travel schedule? Discover the best time to fly to Tromsø from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Tromsø

Get insights into the airlines that provide service to Tromsø. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tromsø. Reviews last updated January 21, 2026.
Read reviews from past customers who have flown Scandinavian Airlines from Washington, D.C. Dulles Intl Airport to Tromsø. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.3
Good
1,660 reviews

Entertainment

6.6

Food

6.6

Crew

8.0

Comfort

7.3

Overall

7.3

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Scandinavian Airlines
7.3
Good
1,660 reviews
Scandinavian Airlines
7.3
Good
1,660 reviews

Entertainment

6.6

Food

6.6

Crew

8.0

Comfort

7.3

Overall

7.3

Boarding

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Tromsø. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tromsø from Washington, D.C. Dulles Intl?

    If you book a flight to Tromsø from Washington, D.C. Dulles Intl, you will be flying to Tromso/Langnes, which is the city’s only airport. Tromso/Langnes (TOS) is located 2.5 mi from the center of Tromsø. There are 0 flights from Washington, D.C. Dulles Intl to Tromso/Langnes per day from 1 airline.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Tromsø?

    Departing from Washington, D.C. Dulles Intl Airport to Tromsø will take you 21h 20m. There are 3865 mi between Washington, D.C. Dulles Intl Airport and Tromsø.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Tromsø round-trip?

    Scandinavian Airlines, at $446, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tromsø.. Scandinavian Airlines is currently priced 49% below the average price you’ll pay for this route.

  • Can I find deals for flights from Dulles Intl to Tromsø that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Tromsø flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Tromsø?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Tromsø.

  • Can I find deals for business class flights from Dulles Intl to Tromsø?

    Yes. Cheapflights offers flight deals from Dulles Intl to Tromsø by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Dulles Intl to Tromsø

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Top airline flying from Dulles Intl to Tromsø

Discover the top airline that operate flights from Dulles Intl to Tromsø. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$446Average$612FlexibilityNo cancel feeOn-time77%

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