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Trondheim

$518+ Cheap flights from Dulles Intl (IAD) to Trondheim (TRD)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TRD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Trondheim

Cheapest flights from Dulles Intl to Trondheim
Explore the most affordable flight options available from Dulles Intl to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:05 pm
IAD
-
TRD
1 stop16h 30m
Delta
Mon 3/26:15 am
TRD
-
IAD
1 stop15h 50m
Delta
Deal found 1/21$518
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:35 pm
IAD
-
TRD
2 stops15h 00m
KLM
Sun 3/16:15 am
TRD
-
IAD
1 stop15h 50m
KLM
Deal found 1/21$521
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:13 pm
IAD
-
TRD
2 stops17h 22m
Delta
Sun 3/16:15 am
TRD
-
IAD
1 stop15h 50m
Delta
Deal found 1/21$523
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:35 pm
IAD
-
TRD
2 stops15h 00m
KLM
Mon 3/26:15 am
TRD
-
IAD
2 stops16h 13m
KLM
Deal found 1/21$527
This Scandinavian Airlines deal was found by Cheapflights users on 1/21. 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 2/258:30 pm
IAD
-
TRD
1 stop12h 00m
Scandinavian Airlines
Sat 3/77:05 pm
TRD
-
IAD
2 stops52h 10m
Scandinavian Airlines
Deal found 1/21$531
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:24 pm
IAD
-
TRD
2 stops22h 11m
Delta
Sun 3/86:15 am
TRD
-
IAD
2 stops18h 04m
Delta
Deal found 1/21$533
This Scandinavian Airlines deal was found by Cheapflights users on 1/19. 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 2/238:30 pm
IAD
-
TRD
1 stop12h 00m
Scandinavian Airlines
Fri 2/277:45 pm
TRD
-
IAD
1 stop29h 05m
Scandinavian Airlines
Deal found 1/19$535
This Sembo deal was found by Cheapflights users on 1/21. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:30 pm
IAD
-
TRD
2 stops14h 45m
Multiple Airlines
Sun 3/17:45 pm
TRD
-
IAD
2 stops25h 30m
Multiple Airlines
Deal found 1/21$541
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:05 pm
IAD
-
TRD
1 stop16h 30m
Delta
Sat 2/286:15 am
TRD
-
IAD
1 stop15h 50m
Delta
Deal found 1/21$593

Find flight deals from Dulles Intl to Trondheim

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Trondheim (TRD). 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$518
(Delta)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Trondheim Vaernes flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Trondheim Vaernes flights.
Search Deals
From Washington, D.C. Dulles Intl to Trondheim Vaernes
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Trondheim 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 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Trondheim that are best for you.

Fly from

Dulles Intl

Fly to

Trondheim

Route

Depart

Return

Price

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 2/17

6:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Sun 3/1

6:15 am-4:05 pm

1 stop15h 50m

$518

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Wed 2/25

6:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Sun 3/8

6:15 am-4:05 pm

1 stop15h 50m

$518

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 2/17

6:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Mon 3/2

6:15 am-4:05 pm

1 stop15h 50m

$518

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Wed 2/25

6:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Fri 3/6

5:10 pm-4:05 pm

1 stop28h 55m

$521

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 2/17

7:35 pm-4:35 pm

2 stops15h 00m

Trondheim Vaernes

Mon 3/2

5:10 pm-4:05 pm

1 stop28h 55m

$521

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 2/17

7:35 pm-4:35 pm

2 stops15h 00m

Trondheim Vaernes

Sun 3/1

6:15 am-4:05 pm

1 stop15h 50m

$521

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Wed 2/25

8:30 pm-2:30 pm

1 stop12h 00m

Trondheim Vaernes

Sat 3/7

7:05 pm-5:15 pm

2 stops52h 10m

$531

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Mon 2/23

8:30 pm-2:30 pm

1 stop12h 00m

Trondheim Vaernes

Fri 2/27

7:45 pm-6:50 pm

1 stop29h 05m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Compare providers for flights from Dulles Intl to Trondheim

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 Trondheim in January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 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-Trondheim flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Trondheim flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Trondheim 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-Trondheim flights, Cheapflights users trust Ovago the most. Ovago 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-Trondheim 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 Trondheim

Have a flexible travel schedule? Discover the best time to fly to Trondheim 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Trondheim. 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 Trondheim from Washington, D.C. Dulles Intl?

    Most people fly into Trondheim Vaernes (TRD) if they book a flight to Trondheim from Washington, D.C. Dulles Intl. On average, Vaernes has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. Trondheim Vaernes is conveniently located just 16.4 mi from Trondheim’s city center.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Trondheim can take about 16h 30m. Delta provides one of the quickest options available for as low as $518. Washington, D.C. Dulles Intl Airport and Trondheim are separated by a distance of 3804 mi.

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

    Yes. In addition to deals on Dulles Intl to Trondheim flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Trondheim?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Trondheim.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Trondheim 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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