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Tromsø

$231+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TOS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$377
(oojo)

One-way from

$231
(KLM)

Popular in

June

Cheapest in

September

Average price

$641
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Tromso/Langnes flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Tromso/Langnes flights.
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From Washington, D.C. Dulles Intl to Tromso/Langnes
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One-way flight from Washington, D.C. Dulles Intl to Tromso/Langnes
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Highest demand for flights based on searches. 30% potential increase in price ($365 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($84 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 8, 2026.

This oojo deal was found by Cheapflights users on 1/7. 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.
Sun 4/198:20 pmIAD - TOS
3 stops32h 55mScandinavian Airlines
Thu 4/236:00 pmTOS - IAD
3 stops28h 50mScandinavian Airlines
Deal found 1/7$377
This FlightHub deal was found by Cheapflights users on 1/6. 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 3/99:30 pmIAD - TOS
2 stops21h 20mScandinavian Airlines
Tue 3/1711:40 amTOS - IAD
3 stops35h 35mScandinavian Airlines
Deal found 1/6$386
This KAYAK deal was found by Cheapflights users on 1/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:20 pmIAD - TOS
1 stop12h 00mScandinavian Airlines
Thu 5/76:00 amTOS - IAD
2 stops40h 50mScandinavian Airlines
Deal found 1/8$414
This KAYAK deal was found by Cheapflights users on 1/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:20 pmIAD - TOS
2 stops33h 30mScandinavian Airlines
Wed 5/134:00 pmTOS - IAD
2 stops30h 50mScandinavian Airlines
Deal found 1/8$420
This oojo deal was found by Cheapflights users on 1/8. 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 2/98:30 pmIAD - TOS
2 stops17h 00mScandinavian Airlines
Mon 2/165:55 pmTOS - IAD
3 stops53h 20mScandinavian Airlines
Deal found 1/8$425
This Scandinavian Airlines deal was found by Cheapflights users on 1/7. 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 pmIAD - TOS
2 stops18h 00mScandinavian Airlines
Fri 2/138:15 pmTOS - IAD
1 stop28h 35mScandinavian Airlines
Deal found 1/7$464
This oojo deal was found by Cheapflights users on 1/7. 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 2/198:30 pmIAD - TOS
2 stops21h 20mScandinavian Airlines
Mon 2/238:10 pmTOS - IAD
2 stops51h 05mScandinavian Airlines
Deal found 1/7$472
This oojo deal was found by Cheapflights users on 1/8. 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 3/308:20 pmIAD - TOS
1 stop12h 00mScandinavian Airlines
Fri 4/36:00 amTOS - IAD
2 stops16h 50mScandinavian Airlines
Deal found 1/8$473
This Scandinavian Airlines deal was found by Cheapflights users on 1/7. 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.
Wed 2/188:30 pmIAD - TOS
2 stops21h 20mScandinavian Airlines
Sun 2/227:20 pmTOS - IAD
2 stops27h 55mScandinavian Airlines
Deal found 1/7$486

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 8, 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

Mon 3/9

9:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Tue 3/17

11:40 am-6:15 pm

3 stops35h 35m

$386

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 5/4

8:20 pm-2:20 pm

1 stop12h 00m

Tromso/Langnes

Thu 5/7

6:00 am-4:50 pm

2 stops40h 50m

$414

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 2/9

8:30 pm-7:30 pm

2 stops17h 00m

Tromso/Langnes

Mon 2/16

5:55 pm-5:15 pm

3 stops53h 20m

$425

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

$425

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 3/9

9:30 pm-5:15 pm

3 stops38h 45m

Tromso/Langnes

Thu 3/12

6:00 am-6:15 pm

2 stops17h 15m

$425

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

$464

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Tue 3/10

7:05 pm-8:55 am

1 stop32h 50m

$231

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sun 3/15

7:05 pm-9:40 am

1 stop33h 35m

$231

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Tue 3/10

6:30 pm-4:55 pm

2 stops17h 25m

$253

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Wed 3/11

10:45 pm-9:40 am

3 stops29h 55m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 17 results
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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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Tromsø

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Tromsø?

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 8, 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
1,635 reviews

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.7

Comfort

7.3

Overall

7.3

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
1,635 reviews
Scandinavian Airlines
7.3
Good
1,635 reviews

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.7

Comfort

7.3

Overall

7.3

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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$441Average$590FlexibilityNo cancel feeOn-time77%

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