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Trondheim

$659+ Cheap flights from Washington 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TRD
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Washington to Trondheim

Keep the following information in mind while searching for Washington to Trondheim flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$659
(Delta)
Provider with most accurate pricing for Seattle/Tacoma Intl-Trondheim Vaernes flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Trondheim Vaernes flights.
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From Washington to Trondheim Vaernes
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Find 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 April 3, 2025.

This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 8/45:35 pmSEA - TRD
2 stops56h 55mDelta
Tue 8/1212:05 pmTRD - SEA
2 stops60h 40mDelta
Deal found 4/1$659
This Aeromexico deal was found by Cheapflights users on 4/1. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:23 amSEA - TRD
2 stops22h 12mAir France
Thu 5/85:45 amTRD - SEA
2 stops25h 58mAir France
Deal found 4/1$667
This Gurufare deal was found by Cheapflights users on 3/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:00 pmSEA - TRD
1 stop13h 20mScandinavian Airlines
Mon 8/115:45 amTRD - SEA
2 stops24h 52mScandinavian Airlines
Deal found 3/31$696
This KLM deal was found by Cheapflights users on 3/31. 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.
Mon 8/42:10 pmSEA - TRD
1 stop23h 40mKLM
Tue 8/126:00 amTRD - SEA
1 stop18h 55mKLM
Deal found 3/31$699
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:00 pmSEA - TRD
2 stops15h 55mMultiple Airlines
Thu 12/187:30 amTRD - SEA
2 stops18h 30mMultiple Airlines
Deal found 4/1$848

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 April 3, 2025.
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

Mon 8/4

5:35 pm-11:30 am

2 stops56h 55m

Trondheim Vaernes

Tue 8/12

12:05 pm-3:45 pm

2 stops60h 40m

$659

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 5/1

7:23 am-2:35 pm

2 stops22h 12m

Trondheim Vaernes

Thu 5/8

5:45 am-10:43 pm

2 stops25h 58m

$667

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/4

4:00 pm-2:20 pm

1 stop13h 20m

Trondheim Vaernes

Mon 8/11

5:45 am-9:37 pm

2 stops24h 52m

$696

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/4

2:10 pm-10:50 pm

1 stop23h 40m

Trondheim Vaernes

Mon 8/11

5:05 pm-3:55 pm

1 stop31h 50m

$699

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 8/23

7:00 pm-7:55 pm

2 stops15h 55m

Trondheim Vaernes

Thu 12/18

7:30 am-5:00 pm

2 stops18h 30m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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

Rainfall in Trondheim by month

Plan your trip to Trondheim by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Trondheim ranges from 1.8 - 4.3 inches per month. September is typically the wettest month, when rainfall can reach 4.3 in. April is typically the driest time to visit Trondheim when rainfall is around 1.8 in.

Temperature in Trondheim by month

Plan your trip to Trondheim by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Trondheim, 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 55.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Trondheim

Get insights into the airlines that provide service to Trondheim. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trondheim. Reviews last updated April 3, 2025.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,328 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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

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Top airline flying from Washington to Trondheim

Discover the top airline that operate flights from Washington to Trondheim. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$741Average$1,421FlexibilityNo cancel feeOn-time75%

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