HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trondheim

$385+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TRD
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Trondheim 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.

Find 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 November 25, 2025.

This Mytrip deal was found by Cheapflights users on 11/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:30 pmIAD - TRD
3 stops26h 10mMultiple Airlines
Sun 1/45:30 amTRD - IAD
2 stops16h 05mMultiple Airlines
Deal found 11/23$2,311
This Ovago deal was found by Cheapflights users on 11/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:30 pmIAD - TRD
2 stops15h 20mTAP AIR PORTUGAL
Sun 1/43:05 pmTRD - IAD
2 stops30h 10mTAP AIR PORTUGAL
Deal found 11/23$2,618
This FlightHub deal was found by Cheapflights users on 11/23. 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.
Fri 12/1910:30 pmIAD - TRD
2 stops15h 20mTAP AIR PORTUGAL
Mon 1/510:25 amTRD - IAD
2 stops34h 10mTAP AIR PORTUGAL
Deal found 11/23$2,954
This KLM deal was found by Cheapflights users on 11/23. 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.
Fri 12/196:05 pmIAD - TRD
1 stop16h 30mKLM
Mon 1/55:10 pmTRD - IAD
1 stop28h 55mKLM
Deal found 11/23$2,998
This Delta deal was found by Cheapflights users on 11/23. 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.
Fri 12/197:59 pmIAD - TRD
2 stops38h 36mDelta
Mon 1/56:15 amTRD - IAD
1 stop15h 50mDelta
Deal found 11/23$3,063
This KLM deal was found by Cheapflights users on 11/23. 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.
Fri 12/196:05 pmIAD - TRD
1 stop22h 50mKLM
Sun 1/45:15 pmTRD - IAD
1 stop28h 50mKLM
Deal found 11/23$3,473

Cheap 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 November 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$385
(lastminute.com)

Popular in

December

Cheapest in

October

Average price

$734
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
Highest demand for flights based on searches. 16% potential increase in price ($136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 25, 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

Mon 1/12

8:30 pm-12:40 am

1 stop22h 10m

Trondheim Vaernes

Tue 1/20

7:45 pm-5:15 pm

1 stop27h 30m

$385

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Wed 2/4

8:30 pm-7:05 pm

1 stop16h 35m

Trondheim Vaernes

Sun 2/8

7:45 pm-5:15 pm

1 stop27h 30m

$430

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Fri 1/9

10:30 pm-7:50 pm

2 stops15h 20m

Trondheim Vaernes

Fri 1/16

10:35 am-3:15 pm

2 stops34h 40m

$538

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Mon 5/11

8:20 pm-2:25 pm

1 stop12h 05m

Trondheim Vaernes

Mon 5/18

6:30 pm-4:50 pm

2 stops52h 20m

$547

Washington, D.C.Trondheim

IAD - TRD

IADTRD

Washington, D.C. Dulles Intl

Mon 5/11

5:40 pm-11:35 am

1 stop11h 55m

Trondheim Vaernes

Mon 5/18

12:10 pm-3:35 pm

1 stop33h 25m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

  • 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 FlightHub the most. FlightHub 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 22h 10m. Scandinavian Airlines provides one of the quickest options available for as low as $385. 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

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 Trondheim

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Oslo Gardermoen flights
Baltimore to Oslo Gardermoen flights
Reagan-National to Oslo Gardermoen flights
Dulles Intl to Tromsø flights
Reagan-National to Tromsø flights
Baltimore to Tromsø flights
Dulles Intl to Sandefjord flights
Dulles Intl to Bergen flights
Dulles Intl to Longyearbyen flights
Baltimore to Bergen flights
Reagan-National to Bergen flights
Baltimore to Longyearbyen flights
Baltimore to Sandefjord flights
Baltimore to Kristiansand flights
Reagan-National to Stavanger flights
Baltimore to Trondheim flights
Dulles Intl to Stavanger flights
Baltimore to Ålesund flights
Baltimore to Stavanger flights
Dulles Intl to Kristiansand flights
Dulles Intl to Ålesund flights
Dulles Intl to Bodø flights
Dulles Intl to Kirkenes flights
Dulles Intl to Volda flights
Baltimore to Kirkenes flights

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.