What is the cheapest airline that flies from Washington to Trondheim Vaernes?

Delta and Finnair are the most popular carriers operating from Washington to Trondheim Vaernes

When did momondo last update prices for flights from Washington to Trondheim Vaernes Airport?

Prices for flights from Washington to Trondheim Vaernes Airport are updated daily.

How old do you have to be to fly from Washington to Trondheim Vaernes Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Trondheim Vaernes Airport.

What documentation or ID do you need to fly to Trondheim Vaernes Airport?

The required travel and health documents for your Trondheim Vaernes Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trondheim Vaernes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$271 Cheap Flights from Washington to Trondheim in 2026

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Find the cheapest flights from Washington to Trondheim

Round-trip

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Cheap round-trip flights

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6:20 pm - 4:35 pm

SEA

TRD

37h 15m

2 stops

6:00 am - 4:39 pm

TRD

SEA

19h 39m

1 stop

$544Delta

Mon, Aug 17 - Fri, Oct 9

5:45 pm - 11:35 am

SEA

TRD

32h 50m

1 stop

6:00 am - 4:39 pm

TRD

SEA

19h 39m

1 stop

$562Delta

Wed, Aug 19 - Fri, Oct 9

6:20 pm - 11:35 am

SEA

TRD

56h 15m

2 stops

5:40 am - 8:14 pm

TRD

SEA

23h 34m

2 stops

$576Delta

Mon, Aug 17 - Tue, Oct 6

3:55 pm - 8:30 pm

SEA

TRD

19h 35m

2 stops

7:45 pm - 1:45 pm

TRD

SEA

27h 00m

1 stop

$579Scandinavian Airlines

Sun, Aug 23 - Mon, Oct 5

9:55 pm - 4:35 pm

SEA

TRD

33h 40m

2 stops

6:00 am - 4:39 pm

TRD

SEA

19h 39m

1 stop

$581Delta

Sat, Aug 22 - Fri, Oct 9

3:55 pm - 10:45 pm

SEA

TRD

21h 50m

2 stops

6:25 pm - 1:45 pm

TRD

SEA

28h 20m

2 stops

$583Scandinavian Airlines

Sun, Aug 23 - Mon, Oct 5

6:20 pm - 4:35 pm

SEA

TRD

37h 15m

2 stops

6:00 am - 8:14 pm

TRD

SEA

23h 14m

2 stops

$587Delta

Tue, Aug 18 - Sat, Oct 10

3:55 pm - 9:40 am

SEA

TRD

32h 45m

1 stop

7:45 pm - 1:45 pm

TRD

SEA

27h 00m

1 stop

$589Scandinavian Airlines

Tue, Aug 18 - Mon, Oct 5

3:55 pm - 9:40 am

SEA

TRD

32h 45m

1 stop

7:00 am - 1:45 pm

TRD

SEA

39h 45m

2 stops

$593Scandinavian Airlines

Tue, Aug 18 - Mon, Oct 5

5:45 pm - 11:35 am

SEA

TRD

32h 50m

1 stop

5:40 am - 8:14 pm

TRD

SEA

23h 34m

2 stops

$594Delta

Wed, Aug 19 - Tue, Oct 6

Delta flights from State of Washington to Trondheim

Our best Delta deals on State of Washington to Trondheim flight tickets

Delta

Aug 17

SEA6:20 pmSeattle/Tacoma Intl

37h 15m

2 stops

TRD4:35 pmTrondheim Vaernes

Oct 9

TRD6:00 amTrondheim Vaernes

19h 39m

1 stop

SEA4:39 pmSeattle/Tacoma Intl

$544

Delta

Aug 19

SEA5:45 pmSeattle/Tacoma Intl

32h 50m

1 stop

TRD11:35 amTrondheim Vaernes

Oct 9

TRD6:00 amTrondheim Vaernes

19h 39m

1 stop

SEA4:39 pmSeattle/Tacoma Intl

$562

Delta

Aug 17

SEA6:20 pmSeattle/Tacoma Intl

56h 15m

2 stops

TRD11:35 amTrondheim Vaernes

Oct 6

TRD5:40 amTrondheim Vaernes

23h 34m

2 stops

SEA8:14 pmSeattle/Tacoma Intl

$576

Scandinavian Airlines flights from State of Washington to Trondheim

Our best Scandinavian Airlines deals on State of Washington to Trondheim flight tickets

Scandinavian Airlines

Aug 23

SEA3:55 pmSeattle/Tacoma Intl

19h 35m

2 stops

TRD8:30 pmTrondheim Vaernes

Oct 5

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$579

Scandinavian Airlines

Aug 23

SEA3:55 pmSeattle/Tacoma Intl

21h 50m

2 stops

TRD10:45 pmTrondheim Vaernes

Oct 5

TRD6:25 pmTrondheim Vaernes

28h 20m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$583

Scandinavian Airlines

Aug 18

SEA3:55 pmSeattle/Tacoma Intl

32h 45m

1 stop

TRD9:40 amTrondheim Vaernes

Oct 5

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$589

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

6:20 pm-4:35 pm

2 stops37h 15m

Trondheim Vaernes

Fri 10/9

6:00 am-4:39 pm

1 stop19h 39m

$544

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 8/19

5:45 pm-11:35 am

1 stop32h 50m

Trondheim Vaernes

Fri 10/9

6:00 am-4:39 pm

1 stop19h 39m

$562

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

6:20 pm-11:35 am

2 stops56h 15m

Trondheim Vaernes

Tue 10/6

5:40 am-8:14 pm

2 stops23h 34m

$576

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-8:30 pm

2 stops19h 35m

Trondheim Vaernes

Mon 10/5

7:45 pm-1:45 pm

1 stop27h 00m

$579

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 8/22

9:55 pm-4:35 pm

2 stops33h 40m

Trondheim Vaernes

Fri 10/9

6:00 am-4:39 pm

1 stop19h 39m

$581

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-10:45 pm

2 stops21h 50m

Trondheim Vaernes

Mon 10/5

6:25 pm-1:45 pm

2 stops28h 20m

$583

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

6:20 pm-4:35 pm

2 stops37h 15m

Trondheim Vaernes

Sat 10/10

6:00 am-8:14 pm

2 stops23h 14m

$587

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

3:55 pm-9:40 am

1 stop32h 45m

Trondheim Vaernes

Mon 10/5

7:45 pm-1:45 pm

1 stop27h 00m

$589

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

3:55 pm-9:40 am

1 stop32h 45m

Trondheim Vaernes

Mon 10/5

7:00 am-1:45 pm

2 stops39h 45m

$593

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 8/19

5:45 pm-11:35 am

1 stop32h 50m

Trondheim Vaernes

Tue 10/6

5:40 am-8:14 pm

2 stops23h 34m

$594

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Trondheim

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on State of Washington to Trondheim flights?

You could potentially save up to 6% on your flight if you consider stops on a State of Washington to Trondheim flight.

Cheap State of Washington to Trondheim flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Trondheim

Fastest flight time	26h 35m
Direct flights	None

The fastest flight from State of Washington to Trondheim takes 26h 35m

There are no direct flights from State of Washington to Trondheim. There are no popular flight routes from State of Washington to Trondheim.

Search flight deals

When did momondo last update prices for flights from Washington to Trondheim Vaernes Airport?
Prices for flights from Washington to Trondheim Vaernes Airport are updated daily.
How old do you have to be to fly from Washington to Trondheim Vaernes Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Trondheim Vaernes Airport.
What documentation or ID do you need to fly to Trondheim Vaernes Airport?
The required travel and health documents for your Trondheim Vaernes Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trondheim Vaernes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Trondheim?

Finding the right flight to Trondheim from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trondheim quick and easy, saving you time and money.

Can I find flights from Washington to Trondheim with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Trondheim from Washington with this policy.

How can momondo help me find flights from Washington to Trondheim?

Once all potential Washington to Trondheim flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Trondheim right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Trondheim, momondo offers a useful price alert feature which will track prices for flights to Trondheim from Washington and alert you when they change.