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 33h 30m. 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 $400, 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.

In terms of precipitation, rainfall in Tromsø ranges from 1.8 - 5.1 inches per month. October is typically the wettest month, when rainfall can reach 5.1 in. May is typically the driest time to visit Tromsø when rainfall is around 1.8 in.

If weather is an important factor for your trip to Tromsø, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 53.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from IAD to TOS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Tromsø as you normally would.

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.

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.

$394+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Tromsø

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Cheap flight deals from Dulles Intl to Tromsø

Cheapest

Best

Last-minute

One-way

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 October 30, 2026.

Wed 11/258:30 pm -

2 stops21h 20m

Wed 12/25:05 pm -

2 stops30h 10m

Deal found 10/27

$613

Sun 11/87:40 pm -

1 stop10h 30m

Mon 11/231:05 pm -

1 stop11h 25m

Deal found 10/25

$617

Fri 11/1312:35 pm -

2 stops16h 40m

Sun 11/227:20 pm -

2 stops27h 55m

Deal found 10/30

$670

Mon 12/148:30 pm -

2 stops17h 10m

Mon 12/215:05 pm -

2 stops54h 10m

Deal found 10/30

$693

Best flights from Dulles Intl to Tromsø
Discover carefully curated flight deals from Dulles Intl to Tromsø that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Mon 2/18:30 pm -

2 stops33h 30m

Thu 2/45:55 pm -

3 stops54h 55m

Deal found 10/26

$489

Sat 2/68:30 pm -

3 stops32h 30m

Tue 2/165:05 pm -

2 stops30h 10m

Deal found 10/26

$543

Mon 2/88:30 pm -

2 stops21h 20m

Thu 2/185:55 pm -

3 stops54h 55m

Deal found 10/29

$544

Sat 2/68:30 pm -

2 stops45h 20m

Thu 2/185:55 pm -

3 stops54h 55m

Deal found 10/29

$597

Wed 11/258:30 pm -

3 stops32h 30m

Wed 12/25:05 pm -

2 stops30h 10m

Deal found 10/30

$667

Mon 12/148:30 pm -

2 stops17h 10m

Mon 12/215:05 pm -

2 stops54h 10m

Deal found 10/30

$693

One-way flights from Dulles Intl to Tromsø
Search for one-way flight options from Dulles Intl to Tromsø. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Sat 3/136:05 pm -

1 stop12h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/28

$394

Sat 3/135:25 pm -

3 stops33h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/28

$411

Sun 12/274:30 pm -

3 stops57h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$461

Sun 3/285:40 pm -

2 stops19h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/27

$469

Sun 3/288:20 pm -

1 stop33h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/27

$482

Thu 12/244:30 pm -

2 stops21h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$507

Tue 12/229:49 pm -

3 stops44h 01m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$574

Sat 12/265:15 pm -

2 stops35h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$585

Sun 12/278:55 pm -

1 stop35h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$588

Find flight deals from Dulles Intl to Tromsø

Round-trip from	$455 (FlightHub)
One-way from	$394 (Expedia)
Popular in	June
Cheapest in	February
Average price	$1,148

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. 31% potential increase in price ($358 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($58 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sat 3/13

6:05 pm-12:45 pm

1 stop12h 40m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$394

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sat 3/13

5:25 pm-8:25 am

3 stops33h 00m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$411

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sun 12/27

4:30 pm-8:10 am

3 stops57h 40m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$461

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sun 3/28

5:40 pm-6:40 pm

2 stops19h 00m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$469

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sun 3/28

8:20 pm-11:25 am

1 stop33h 05m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$482

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Mon 2/1

8:30 pm-12:00 pm

2 stops33h 30m

Tromso/Langnes

Thu 2/4

5:55 pm-6:50 pm

3 stops54h 55m

$489

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sat 2/6

8:30 pm-11:00 am

3 stops32h 30m

Tromso/Langnes

Tue 2/16

5:05 pm-5:15 pm

2 stops30h 10m

$543

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Mon 2/8

8:30 pm-11:50 pm

2 stops21h 20m

Tromso/Langnes

Thu 2/18

5:55 pm-6:50 pm

3 stops54h 55m

$544

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sun 12/27

8:55 pm-2:10 pm

1 stop35h 15m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$588

Washington, D.C.Tromsø

IAD Washington, D.C. Dulles Intl - TOS Tromso/Langnes

IADTOS

Washington, D.C. Dulles Intl

Sat 2/6

8:30 pm-11:50 pm

2 stops45h 20m

Tromso/Langnes

Thu 2/18

5:55 pm-6:50 pm

3 stops54h 55m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 16 resultsSorted by cheapest first

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.

IAD-TOS

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?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Tromsø flights typically cost between $434 and $1,504 in January.
The cheapest round-trip price found within the last 5 days was $455 on Scandinavian Airlines (Jan 27-Feb 2).

Reviews of airlines servicing Tromsø

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

2,031 reviews

Reviews

1 / 20

6.0

Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.

Scandinavian Airlines

7.4

Good

2,031 reviews

Scandinavian Airlines

7.4

Good

2,031 reviews

Reviews

1 / 20

6.0

Good

lisa,May 2026

ALC - OSL

Related info for your journey

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 33h 30m. 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 $400, 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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Reagan-National to Stavanger flights

Top airline flying from Dulles Intl to Tromsø

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$400	Average$654	FlexibilityNo cancel fee	On-time77%

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$394+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Tromsø

Cheapest flights from Dulles Intl to TromsøExplore 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 October 30, 2026.

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 October 30, 2026.

Best flights from Dulles Intl to TromsøDiscover carefully curated flight deals from Dulles Intl to Tromsø that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Discover carefully curated flight deals from Dulles Intl to Tromsø that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Last-minute flights from Dulles Intl to TromsøDiscover last-minute flight deals from Dulles Intl to Tromsø. Data last updated October 30, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Tromsø. Data last updated October 30, 2026 and is based on user searches.

One-way flights from Dulles Intl to TromsøSearch for one-way flight options from Dulles Intl to Tromsø. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Search for one-way flight options from Dulles Intl to Tromsø. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tromsø that are best for you.

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.

Cheapflights Insights

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

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Tromsø flights typically cost between $434 and $1,504 in January.The cheapest round-trip price found within the last 5 days was $455 on Scandinavian Airlines (Jan 27-Feb 2).

Reviews of airlines servicing Tromsø

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.

Related info for your journey

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Tromsø

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Complete your trip

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Search flights from Dulles Intl to Tromsø by cabin class

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Dulles Intl and Tromsø flights

Browse other Dulles Intl and Tromsø flight options. Last updated on October 30, 2026.

Other flights from Dulles Intl

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Top airline flying from Dulles Intl to Tromsø

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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 October 30, 2026.

Best flights from Dulles Intl to Tromsø
Discover carefully curated flight deals from Dulles Intl to Tromsø that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Last-minute flights from Dulles Intl to Tromsø
Discover last-minute flight deals from Dulles Intl to Tromsø. Data last updated October 30, 2026 and is based on user searches.

One-way flights from Dulles Intl to Tromsø
Search for one-way flight options from Dulles Intl to Tromsø. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Washington, D.C. Dulles Intl Airport to Tromsø flights typically cost between $434 and $1,504 in January.
The cheapest round-trip price found within the last 5 days was $455 on Scandinavian Airlines (Jan 27-Feb 2).