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 38h 50m. 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 $381, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tromsø.. Scandinavian Airlines is currently priced 48% 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.

$273+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Tromsø

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Tromsø with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 16, 2026.

Sun 10/258:40 pm -

1 stop10h 30m

Fri 10/3012:15 pm -

1 stop12h 15m

Deal found 9/14

$413

Wed 11/258:30 pm -

2 stops14h 00m

Wed 12/28:15 pm -

2 stops27h 00m

Deal found 9/11

$479

Mon 11/98:30 pm -

3 stops32h 30m

Sun 11/152:45 pm -

2 stops32h 30m

Deal found 9/11

$550

Wed 10/289:30 pm -

1 stop16h 40m

Wed 11/45:05 pm -

2 stops30h 10m

Deal found 9/13

$551

Fri 11/1312:35 pm -

2 stops16h 40m

Sun 11/226:15 pm -

2 stops29h 00m

Deal found 9/13

$559

Mon 11/238:30 pm -

2 stops17h 10m

Wed 12/28:15 pm -

2 stops27h 00m

Deal found 9/15

$562

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 September 16, 2026.

Mon 2/18:30 pm -

3 stops38h 50m

Thu 2/45:55 pm -

3 stops54h 55m

Deal found 9/13

$526

Fri 11/1312:35 pm -

2 stops16h 40m

Sun 11/226:15 pm -

2 stops29h 00m

Deal found 9/11

$597

Wed 11/258:30 pm -

2 stops18h 05m

Mon 11/305:55 pm -

3 stops53h 20m

Deal found 9/12

$598

Mon 11/238:30 pm -

2 stops32h 05m

Mon 11/305:55 pm -

3 stops53h 20m

Deal found 9/12

$598

Thu 10/299:30 pm -

2 stops19h 05m

Thu 11/55:55 pm -

3 stops54h 55m

Deal found 9/13

$630

Sun 10/118:20 pm -

3 stops56h 55m

Fri 10/166:50 pm -

3 stops52h 10m

Deal found 9/15

$686

Mon 11/238:30 pm -

2 stops14h 00m

Sun 11/296:35 pm -

3 stops28h 40m

Deal found 9/12

$718

Last-minute flights from Dulles Intl to Tromsø
Discover last-minute flight deals from Dulles Intl to Tromsø. Data last updated September 16, 2026 and is based on user searches.

Sun 10/118:20 pm -

2 stops32h 00m

Fri 10/168:20 pm -

2 stops26h 40m

Deal found 9/15

$644

Fri 10/168:20 pm -

1 stop32h 45m

Wed 10/212:00 pm -

2 stops33h 00m

Deal found 9/11

$631

Sat 10/248:20 pm -

2 stops33h 15m

Sat 10/316:00 am -

2 stops18h 50m

Deal found 9/14

$677

Sun 10/258:40 pm -

1 stop10h 30m

Fri 10/3012:15 pm -

1 stop12h 15m

Deal found 9/14

$413

Sun 10/258:40 pm -

2 stops22h 10m

Fri 10/306:10 am -

2 stops18h 20m

Deal found 9/14

$679

Tue 10/2712:30 pm -

2 stops17h 55m

Tue 11/35:50 pm -

2 stops29h 25m

Deal found 9/12

$594

Wed 10/289:30 pm -

2 stops14h 00m

Wed 11/48:15 pm -

2 stops27h 00m

Deal found 9/13

$550

Thu 10/299:30 pm -

2 stops13h 45m

Thu 11/55:05 pm -

2 stops55h 45m

Deal found 9/13

$630

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 September 16, 2026.

Thu 12/247:40 pm -

1 stop9h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$273

Sun 11/1510:30 pm -

3 stops51h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$322

Fri 11/137:40 pm -

2 stops30h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$323

Sat 11/145:25 pm -

3 stops33h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$342

Mon 2/156:40 pm -

1 stop13h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/12

$351

Mon 3/86:05 pm -

1 stop12h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$355

Mon 2/1511:05 am -

2 stops21h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/12

$356

Mon 3/89:45 pm -

2 stops28h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$372

Wed 11/117:40 pm -

2 stops30h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$377

Thu 11/127:40 pm -

3 stops33h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$392

Find flight deals from Dulles Intl to Tromsø

Round-trip from	$413 (oojo)
One-way from	$273 (Booking.com)
Popular in	June
Cheapest in	February
Average price	$654

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. 35% potential increase in price ($412 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($63 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Fri 11/13

7:40 pm-8:25 am

2 stops30h 45m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$323

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Sat 11/14

5:25 pm-8:25 am

3 stops33h 00m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$342

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Mon 2/15

6:40 pm-2:10 pm

1 stop13h 30m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$351

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Mon 3/8

6:05 pm-12:30 pm

1 stop12h 25m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$355

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Mon 2/15

11:05 am-2:10 pm

2 stops21h 05m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$356

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Mon 3/8

9:45 pm-8:35 am

2 stops28h 50m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$372

Quickest round-trip

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Sun 11/15

7:40 pm-12:10 pm

1 stop10h 30m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$454

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Fri 11/13

6:40 pm-2:00 pm

1 stop13h 20m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$513

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-5:20 pm

3 stops38h 50m

Tromso/Langnes

Thu 2/4

5:55 pm-6:50 pm

3 stops54h 55m

$526

Washington, D.C.Tromsø

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

IADTOS

Washington, D.C. Dulles Intl

Thu 12/24

5:25 pm-11:50 pm

2 stops24h 25m

Tromso/Langnes

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 17 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.

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

1,984 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

1,984 reviews

Scandinavian Airlines

7.4

Good

1,984 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 38h 50m. 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 $381, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Tromsø.. Scandinavian Airlines is currently priced 48% 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Dulles Intl

Popular flights

Tromsø flight routes

Alternative routes for Dulles Intl to Tromsø

Dulles Intl to Oslo Gardermoen flights

Baltimore to Tromsø flights

Dulles Intl to Bergen flights

Dulles Intl to Stavanger flights

Dulles Intl to Kristiansand flights

Reagan-National to Stavanger flights

Dulles Intl to Ålesund flights

Top airline flying from Dulles Intl to Tromsø

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$381	Average$651	FlexibilityNo cancel fee	On-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$273+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Tromsø with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 September 16, 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 September 16, 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 September 16, 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 September 16, 2026.

Last-minute flights from Dulles Intl to TromsøDiscover last-minute flight deals from Dulles Intl to Tromsø. Data last updated September 16, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Tromsø. Data last updated September 16, 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 September 16, 2026.

Search for one-way flight options from Dulles Intl to Tromsø. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.

Find flight deals from Dulles Intl to Tromsø

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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.

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.

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Tromsø

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Tromsø by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to Tromsø by cabin class

Find flights from Dulles Intl to Tromsø, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and Tromsø flights

Browse other Dulles Intl and Tromsø flight options. Last updated on September 16, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Tromsø

Explore flights to Tromsø departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.

Top airline flying from Dulles Intl to Tromsø

100% Free

Book with Flexibility

Travel Smart

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 September 16, 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 September 16, 2026.

Last-minute flights from Dulles Intl to Tromsø
Discover last-minute flight deals from Dulles Intl to Tromsø. Data last updated September 16, 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 September 16, 2026.