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Tromsø

$304+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TOS
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
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 December 30, 2025.

This FlightHub deal was found by Cheapflights users on 12/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:20 pmIAD - TOS
2 stops37h 30mMultiple Airlines
Mon 1/53:15 pmTOS - IAD
2 stops35h 00mMultiple Airlines
Deal found 12/28$1,310
This Gurufare deal was found by Cheapflights users on 12/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:30 pmIAD - TOS
1 stop35h 45mSWISS
Mon 1/53:15 pmTOS - IAD
1 stop31h 25mSWISS
Deal found 12/28$1,890
This Ovago deal was found by Cheapflights users on 12/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:45 pmIAD - TOS
3 stops29h 45mFinnair
Mon 1/55:50 pmTOS - IAD
2 stops27h 45mFinnair
Deal found 12/28$2,006

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 December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$436
(oojo)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$993
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. 30% potential increase in price ($372 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 30, 2025.
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

Thu 2/19

8:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Mon 2/23

5:10 pm-5:15 pm

2 stops54h 05m

$471

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Thu 1/29

8:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Mon 2/2

5:55 pm-5:15 pm

3 stops53h 20m

$471

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sat 2/14

8:30 pm-5:55 pm

3 stops15h 25m

Tromso/Langnes

Wed 2/18

5:55 pm-5:15 pm

3 stops29h 20m

$499

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 1/26

4:50 pm-5:15 pm

3 stops18h 25m

Tromso/Langnes

Mon 2/2

5:55 pm-5:15 pm

3 stops53h 20m

$501

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

$501

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 2/9

8:30 pm-8:30 pm

2 stops18h 00m

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 1/12

5:30 pm-9:55 pm

2 stops22h 25m

$304

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sat 2/21

5:30 pm-9:35 pm

3 stops46h 05m

$314

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Thu 1/29

5:30 pm-11:50 pm

2 stops24h 20m

$326

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sat 2/21

5:05 pm-11:45 am

1 stop12h 40m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 14 results
1
2

Compare providers for flights from Dulles Intl to Tromsø

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Tromsø in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Tromsø flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Tromsø flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 30, 2025.
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
7.4
Good
1,632 reviews

Crew

8.0

Comfort

7.3

Food

6.7

Boarding

7.6

Overall

7.4

Entertainment

6.7

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
7.4
Good
1,632 reviews
Scandinavian Airlines
7.4
Good
1,632 reviews

Crew

8.0

Comfort

7.3

Food

6.7

Boarding

7.6

Overall

7.4

Entertainment

6.7

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 $441, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tromsø.. Scandinavian Airlines is currently priced 47% 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.

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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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$441Average$598FlexibilityNo cancel feeOn-time77%

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