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Tromsø

$427+ Cheap flights from Dulles Intl (IAD) to Tromsø (TOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TOS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$427
(oojo)

Popular in

June

Cheapest in

January

Average price

$1,101
From Washington, D.C. Dulles Intl to Tromso/Langnes
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Highest demand for flights based on searches. 31% potential increase in price ($374 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($86 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This oojo deal was found by Cheapflights users on 8/14. 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 9/2810:05 pmIAD - TOS
2 stops18h 05mScandinavian Airlines
Sun 10/57:00 pmTOS - IAD
2 stops30h 59mScandinavian Airlines
Deal found 8/14$427
This CrystalTravel deal was found by Cheapflights users on 8/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:30 pmIAD - TOS
3 stops32h 30mScandinavian Airlines
Tue 12/95:55 pmTOS - IAD
3 stops29h 20mScandinavian Airlines
Deal found 8/14$719
This oojo deal was found by Cheapflights users on 8/14. 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 12/258:30 pmIAD - TOS
2 stops21h 15mScandinavian Airlines
Mon 12/297:15 pmTOS - IAD
2 stops52h 00mScandinavian Airlines
Deal found 8/14$725
This oojo deal was found by Cheapflights users on 8/14. 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 12/18:30 pmIAD - TOS
2 stops21h 15mScandinavian Airlines
Wed 12/107:15 pmTOS - IAD
1 stop28h 00mScandinavian Airlines
Deal found 8/14$731
This Finnair deal was found by Cheapflights users on 8/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:20 pmIAD - TOS
3 stops33h 20mFinnair
Fri 11/286:45 pmTOS - IAD
2 stops26h 50mFinnair
Deal found 8/12$808
This Trip.com deal was found by Cheapflights users on 8/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:30 pmIAD - TOS
1 stop16h 05mScandinavian Airlines
Sat 1/312:00 pmTOS - IAD
1 stop12h 50mScandinavian Airlines
Deal found 8/12$857

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 August 14, 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

Sun 9/28

10:05 pm-10:45 am

3 stops30h 40m

Tromso/Langnes

Sun 10/5

7:00 pm-7:59 pm

2 stops30h 59m

$427

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Wed 1/14

12:30 pm-1:50 pm

3 stops19h 20m

Tromso/Langnes

Tue 1/20

5:50 pm-5:15 pm

2 stops29h 25m

$577

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Wed 1/14

6:20 pm-1:10 pm

1 stop12h 50m

Tromso/Langnes

Tue 1/20

1:20 pm-4:30 pm

2 stops57h 10m

$602

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Wed 1/14

7:40 pm-11:45 pm

2 stops22h 05m

Tromso/Langnes

Tue 1/20

6:00 am-6:30 pm

2 stops18h 30m

$627

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 12/1

8:30 pm-11:00 am

3 stops32h 30m

Tromso/Langnes

Wed 12/10

8:10 pm-5:15 pm

2 stops27h 05m

$719

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Mon 12/1

8:30 pm-11:00 am

3 stops32h 30m

Tromso/Langnes

Tue 12/9

5:55 pm-5:15 pm

3 stops29h 20m

$719

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sat 12/13

6:20 pm-12:50 pm

1 stop12h 30m

$506

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sat 12/13

11:10 pm-2:15 pm

2 stops33h 05m

$572

Washington, D.C.Tromsø

IAD - TOS

IADTOS

Washington, D.C. Dulles Intl

Sat 12/13

9:45 pm-9:40 am

3 stops29h 55m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 August 14, 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
1,468 reviews

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.6

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Scandinavian Airlines
7.4
Good
1,468 reviews
Scandinavian Airlines
7.4
Good
1,468 reviews

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

6.6

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

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.

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

    Scandinavian Airlines, at $440, 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.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Tromsø one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $506. Users have also found prices from $572 and $582 on Lufthansa and Finnair, respectively.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$440Average$629FlexibilityNo cancel feeOn-time77%

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