HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trondheim

$288+ Cheap flights from Washington to Trondheim (TRD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TRD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington 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.

Cheap flight deals from Washington to Trondheim

Cheapest flights from Washington to Trondheim
Explore the most affordable flight options available from Washington to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This AranGrant deal was found by Cheapflights users on 2/1. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/142:35 pm
SEA
-
TRD
2 stops25h 05m
Multiple Airlines
Thu 2/197:35 pm
TRD
-
SEA
2 stops30h 25m
Multiple Airlines
Deal found 2/1$3,854
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Thu 2/122:00 pm
SEA
-
TRD
2 stops41h 20m
Multiple Airlines
Thu 2/191:05 pm
TRD
-
SEA
2 stops33h 15m
Multiple Airlines
Deal found 2/1$6,066
This Delta deal was found by Cheapflights users on 2/1. 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.
Sat 2/147:10 am
SEA
-
TRD
2 stops24h 25m
Delta
Thu 2/196:15 am
TRD
-
SEA
1 stop14h 25m
Delta
Deal found 2/1$7,870
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 2/129:50 am
SEA
-
TRD
2 stops21h 45m
Delta
Thu 2/196:15 am
TRD
-
SEA
1 stop14h 25m
Delta
Deal found 2/1$7,930
This Scandinavian Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 2/1211:35 am
SEA
-
TRD
3 stops19h 45m
Scandinavian Airlines
Thu 2/1910:20 am
TRD
-
SEA
2 stops21h 05m
Scandinavian Airlines
Deal found 2/1$9,466
This KLM deal was found by Cheapflights users on 2/1. 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.
Thu 2/123:05 pm
SEA
-
TRD
1 stop16h 30m
KLM
Thu 2/196:15 am
TRD
-
SEA
1 stop14h 25m
KLM
Deal found 2/1$9,651
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 2/143:05 pm
SEA
-
TRD
1 stop22h 50m
KLM
Thu 2/196:15 am
TRD
-
SEA
1 stop14h 25m
KLM
Deal found 2/1$10,651

Find flight deals from Washington to Trondheim

Keep the following information in mind while searching for Washington to Trondheim flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$3,854
(AranGrant)

One-way from

$288
(Mytrip)
Provider with most accurate pricing for Seattle/Tacoma Intl-Trondheim Vaernes flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Trondheim Vaernes flights.
Search Deals
From Washington to Trondheim Vaernes
Search Deals
One-way flight from Washington to Trondheim Vaernes
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 February 3, 2026.
Use the filters below to find and compare flights from Washington to Trondheim that are best for you.

Fly from

Washington

Fly to

Trondheim

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 2/14

2:35 pm-12:40 am

2 stops25h 05m

Trondheim Vaernes

Thu 2/19

7:35 pm-5:00 pm

2 stops30h 25m

$3,854

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 2/12

2:00 pm-4:20 pm

2 stops41h 20m

Trondheim Vaernes

Thu 2/19

1:05 pm-1:20 pm

2 stops33h 15m

$6,066

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 2/14

7:10 am-4:35 pm

2 stops24h 25m

Trondheim Vaernes

Thu 2/19

6:15 am-11:40 am

1 stop14h 25m

$7,870

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 2/12

9:50 am-4:35 pm

2 stops21h 45m

Trondheim Vaernes

Thu 2/19

6:15 am-11:40 am

1 stop14h 25m

$7,930

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 2/14

11:35 am-4:40 pm

3 stops20h 05m

Trondheim Vaernes

Thu 2/19

10:20 am-10:22 pm

2 stops21h 02m

$9,466

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 2/12

11:35 am-4:20 pm

3 stops19h 45m

Trondheim Vaernes

Thu 2/19

10:20 am-10:25 pm

2 stops21h 05m

$9,466

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 2/12

3:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Thu 2/19

6:15 am-11:40 am

1 stop14h 25m

$9,651

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

8:20 pm-8:20 am

2 stops27h 00m

$288

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

5:40 pm-8:20 am

1 stop29h 40m

$297

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 7/22

8:20 pm-11:35 pm

2 stops18h 15m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 13 results
1
2

Best time to book a flight from Washington to Trondheim

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

Cheapflights Insights

Everything you need to know about your flight from Washington to Trondheim
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Located just 16.4 mi from the city center, Trondheim Vaernes (TRD) is the airport most travelers will use when flying to Trondheim from Washington.

  • How long is the flight from State of Washington to Trondheim?

    Airlines like Delta and Scandinavian Airlines fly from State of Washington to Trondheim in about 20h 05m. The time it takes to get you to your destination can typically vary by up to 4h 20m. Airlines will cover a distance of 4358 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 Washington to Trondheim that include hotel bookings?

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

  • How can I find direct flights from Washington to Trondheim?

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

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

    Yes. Cheapflights offers flight deals from Washington 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 Washington to Trondheim

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Oslo Gardermoen flights
Newark to Oslo Gardermoen flights
Dulles Intl to Oslo Gardermoen flights
LaGuardia to Oslo Gardermoen flights
O'Hare Intl to Oslo Gardermoen flights
Minneapolis to Oslo Gardermoen flights
Seattle to Oslo Gardermoen flights
Los Angeles to Oslo Gardermoen flights
Baltimore to Oslo Gardermoen flights
Boston to Oslo Gardermoen flights
Reagan-National to Oslo Gardermoen flights
Dallas/Fort Worth to Oslo Gardermoen flights
Atlanta to Oslo Gardermoen flights
Dulles Intl to Sandefjord flights
San Francisco to Oslo Gardermoen flights
John F Kennedy Intl to Sandefjord flights
Newark to Sandefjord flights
Miami to Oslo Gardermoen flights
O'Hare Intl to Sandefjord flights
Orlando to Oslo Gardermoen flights
Denver to Oslo Gardermoen flights
Portland to Oslo Gardermoen flights
Boston to Sandefjord flights
Salt Lake City to Oslo Gardermoen flights
Los Angeles to Sandefjord flights
Detroit to Oslo Gardermoen flights
Charlotte to Oslo Gardermoen flights
Midway to Oslo Gardermoen flights
Love Field to Oslo Gardermoen flights
Hobby to Oslo Gardermoen flights
Cincinnati to Oslo Gardermoen flights
John F Kennedy Intl to Bergen flights
Ontario to Oslo Gardermoen flights
Raleigh to Oslo Gardermoen flights
George Bush Intcntl to Oslo Gardermoen flights
Santa Ana to Oslo Gardermoen flights
Tampa to Oslo Gardermoen flights
San Francisco to Sandefjord flights
Dulles Intl to Bergen flights
Philadelphia to Oslo Gardermoen flights
Burbank to Oslo Gardermoen flights
Seattle to Sandefjord flights
Minneapolis to Bergen flights
Nashville to Oslo Gardermoen flights
Atlanta to Sandefjord flights
Newark to Bergen flights
LaGuardia to Bergen flights
Madison to Oslo Gardermoen flights
San Diego to Oslo Gardermoen flights
Boston to Tromsø 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.