$584+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TRD
May 5 — May 121
1 adult, Economy
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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
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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
Keep the following information in mind while searching for Washington to Trondheim flight deals. Data was last updated April 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $584 (Gotogate) |
Find flight deals from Washington to Trondheim
Cheapest flights from Washington to TrondheimExplore 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 30, 2025.
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 30, 2025.
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/94:00 pmSEA - TRD
2 stops16h 55mScandinavian Airlines
Mon 6/167:40 amTRD - SEA
2 stops15h 10mScandinavian Airlines
Deal found 4/29![Scandinavian Airlines logo]()
$584
This KLM deal was found by Cheapflights users on 4/28. 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.
Wed 5/142:10 pmSEA - TRD
1 stop23h 40mKLM
Thu 5/296:00 amTRD - SEA
1 stop14h 40mKLM
Deal found 4/28![KLM logo]()
$720
This Delta deal was found by Cheapflights users on 4/28. 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 5/1411:55 amSEA - TRD
2 stops19h 35mDelta
Thu 5/296:00 amTRD - SEA
1 stop14h 40mDelta
Deal found 4/28![Delta logo]()
$724
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/134:00 pmSEA - TRD
3 stops34h 10mMultiple Airlines
Fri 6/206:55 amTRD - SEA
2 stops15h 55mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$955
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 30, 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 6/9
4:00 pm-5:55 pm
2 stops16h 55m
Trondheim Vaernes
Mon 6/16
7:40 am-1:50 pm
2 stops15h 10m
$584
SeattleTrondheim
SEA - TRD
SEATRD
Seattle/Tacoma Intl
Wed 5/14
2:10 pm-10:50 pm
1 stop23h 40m
Trondheim Vaernes
Thu 5/29
6:00 am-11:40 am
1 stop14h 40m
$720
SeattleTrondheim
SEA - TRD
SEATRD
Seattle/Tacoma Intl
Wed 5/14
11:55 am-4:30 pm
2 stops19h 35m
Trondheim Vaernes
Thu 5/29
6:00 am-11:40 am
1 stop14h 40m
$724
SeattleTrondheim
SEA - TRD
SEATRD
Seattle/Tacoma Intl
Fri 6/13
4:00 pm-11:10 am
3 stops34h 10m
Trondheim Vaernes
Fri 6/20
6:55 am-1:50 pm
2 stops15h 55m
$955
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 30, 2025.
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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.
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Alternative routes for Washington to Trondheim
See prices for flight routes from nearby airports that may be better suited for you.
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 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$741 | Average$1,343 | FlexibilityNo cancel fee | On-time75% |