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Trondheim

$516+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TRD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/16. 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.
Wed 12/2410:30 pmIAD - TRD
2 stops17h 10mTAP AIR PORTUGAL
Tue 12/304:30 pmTRD - IAD
2 stops52h 45mTAP AIR PORTUGAL
Deal found 12/16$1,716
This SmartFares deal was found by Cheapflights users on 12/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:40 pmIAD - TRD
2 stops34h 25mMultiple Airlines
Wed 12/316:25 amTRD - IAD
2 stops19h 50mMultiple Airlines
Deal found 12/16$1,804
This Lufthansa deal was found by Cheapflights users on 12/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 pmIAD - TRD
2 stops15h 40mLufthansa
Wed 12/319:10 amTRD - IAD
2 stops17h 05mLufthansa
Deal found 12/16$1,807
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/228:30 pmIAD - TRD
1 stop12h 00mScandinavian Airlines
Wed 12/3110:20 amTRD - IAD
1 stop12h 55mScandinavian Airlines
Deal found 12/16$2,512
This Lufthansa deal was found by Cheapflights users on 12/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 pmIAD - TRD
2 stops14h 55mLufthansa
Wed 12/319:10 amTRD - IAD
2 stops17h 05mLufthansa
Deal found 12/16$3,022
This Lufthansa deal was found by Cheapflights users on 12/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 pmIAD - TRD
2 stops14h 55mLufthansa
Tue 12/309:10 amTRD - IAD
2 stops17h 05mLufthansa
Deal found 12/16$4,263

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 December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$504
(FlightHub)
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
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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 December 18, 2025.
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 3/17

7:05 pm-10:55 pm

1 stop22h 50m

Trondheim Vaernes

Wed 3/25

5:10 pm-5:05 pm

1 stop28h 55m

$516

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 3/17

1:19 pm-2:30 pm

2 stops20h 11m

Trondheim Vaernes

Wed 3/25

5:30 am-6:15 pm

1 stop17h 45m

$675

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 3/17

7:00 pm-8:30 pm

3 stops20h 30m

Trondheim Vaernes

Wed 3/25

9:10 am-9:05 pm

2 stops16h 55m

$712

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Tue 2/17

12:23 pm-2:30 pm

2 stops20h 07m

Trondheim Vaernes

Thu 2/19

5:30 am-5:15 pm

1 stop17h 45m

$1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December.
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 20h 11m. KLM provides one of the quickest options available for as low as $675. Washington, D.C. Dulles Intl Airport and Trondheim are separated by a distance of 3804 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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