What is the cheapest airline that flies from Seattle/Tacoma Intl to Trondheim Vaernes?

Delta and KLM are the most popular carriers operating from Seattle/Tacoma Intl to Trondheim Vaernes

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport were last updated today.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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.

$251 Cheap Flights from Seattle to Trondheim in 2026

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Find the cheapest flights from Seattle to Trondheim

Round-trip

One-way

Cheap round-trip flights

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5:45 pm - 4:35 pm

SEA

TRD

13h 50m

1 stop

6:00 am - 11:37 am

TRD

SEA

14h 37m

1 stop

$625KLM

Thu, Jun 4 - Wed, Jun 10

6:00 am - 11:35 am

SEA

TRD

20h 35m

2 stops

6:00 am - 11:37 am

TRD

SEA

14h 37m

1 stop

$631Delta

Thu, Jun 4 - Wed, Jun 10

6:00 am - 11:35 am

SEA

TRD

20h 35m

2 stops

6:00 am - 4:47 pm

TRD

SEA

19h 47m

2 stops

$642Delta

Thu, Jun 4 - Wed, Jun 10

5:45 pm - 10:50 pm

SEA

TRD

20h 05m

1 stop

5:10 pm - 4:24 pm

TRD

SEA

32h 14m

1 stop

$792KLM

Fri, Jun 5 - Wed, Jun 10

12:00 pm - 2:25 pm

SEA

TRD

41h 25m

2 stops

5:40 am - 1:45 pm

TRD

SEA

17h 05m

1 stop

$818Scandinavian Airlines

Wed, Oct 7 - Sun, Oct 11

12:00 pm - 2:25 pm

SEA

TRD

41h 25m

2 stops

6:00 am - 1:45 pm

TRD

SEA

16h 45m

2 stops

$822Scandinavian Airlines

Wed, Oct 7 - Sun, Oct 11

10:45 am - 10:45 pm

SEA

TRD

27h 00m

3 stops

7:00 pm - 6:30 pm

TRD

SEA

32h 30m

3 stops

$830Multiple Airlines

Thu, Jun 4 - Wed, Jun 10

7:00 pm - 4:40 pm

SEA

TRD

12h 40m

2 stops

5:10 pm - 5:55 pm

TRD

SEA

33h 45m

2 stops

$835Multiple Airlines

Fri, Jun 5 - Wed, Jun 10

3:55 pm - 8:00 pm

SEA

TRD

19h 05m

2 stops

6:00 am - 1:45 pm

TRD

SEA

16h 45m

2 stops

$838Scandinavian Airlines

Tue, Jul 7 - Tue, Jul 21

10:05 pm - 10:50 pm

SEA

TRD

15h 45m

2 stops

12:10 pm - 11:37 am

TRD

SEA

32h 27m

1 stop

$846KLM

Fri, Jun 5 - Wed, Jun 10

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Jun 4

SEA5:45 pmSeattle/Tacoma Intl

13h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Jun 10

TRD6:00 amTrondheim Vaernes

14h 37m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$625

KLM

Jun 5

SEA5:45 pmSeattle/Tacoma Intl

20h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Jun 10

TRD5:10 pmTrondheim Vaernes

32h 14m

1 stop

SEA4:24 pmSeattle/Tacoma Intl

$792

KLM

Jun 5

SEA10:05 pmSeattle/Tacoma Intl

15h 45m

2 stops

TRD10:50 pmTrondheim Vaernes

Jun 10

TRD12:10 pmTrondheim Vaernes

32h 27m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$846

Delta flights from Seattle to Trondheim

Our best Delta deals on Seattle to Trondheim flight tickets

Delta

Jun 4

SEA6:00 amSeattle/Tacoma Intl

20h 35m

2 stops

TRD11:35 amTrondheim Vaernes

Jun 10

TRD6:00 amTrondheim Vaernes

14h 37m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$631

Delta

Jun 4

SEA6:00 amSeattle/Tacoma Intl

20h 35m

2 stops

TRD11:35 amTrondheim Vaernes

Jun 10

TRD6:00 amTrondheim Vaernes

19h 47m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

$642

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 6/4

5:45 pm-4:35 pm

1 stop13h 50m

Trondheim Vaernes

Wed 6/10

6:00 am-11:37 am

1 stop14h 37m

$625

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 6/4

6:00 am-11:35 am

2 stops20h 35m

Trondheim Vaernes

Wed 6/10

6:00 am-11:37 am

1 stop14h 37m

$631

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 6/4

6:00 am-11:35 am

2 stops20h 35m

Trondheim Vaernes

Wed 6/10

6:00 am-4:47 pm

2 stops19h 47m

$642

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 6/5

5:45 pm-10:50 pm

1 stop20h 05m

Trondheim Vaernes

Wed 6/10

5:10 pm-4:24 pm

1 stop32h 14m

$792

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 10/7

12:00 pm-2:25 pm

2 stops41h 25m

Trondheim Vaernes

Sun 10/11

5:40 am-1:45 pm

1 stop17h 05m

$818

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 10/7

12:00 pm-2:25 pm

2 stops41h 25m

Trondheim Vaernes

Sun 10/11

6:00 am-1:45 pm

2 stops16h 45m

$822

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 6/4

10:45 am-10:45 pm

3 stops27h 00m

Trondheim Vaernes

Wed 6/10

7:00 pm-6:30 pm

3 stops32h 30m

$830

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 6/5

7:00 pm-4:40 pm

2 stops12h 40m

Trondheim Vaernes

Wed 6/10

5:10 pm-5:55 pm

2 stops33h 45m

$835

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/7

3:55 pm-8:00 pm

2 stops19h 05m

Trondheim Vaernes

Tue 7/21

6:00 am-1:45 pm

2 stops16h 45m

$838

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 6/5

10:05 pm-10:50 pm

2 stops15h 45m

Trondheim Vaernes

Wed 6/10

12:10 pm-11:37 am

1 stop32h 27m

$846

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How to get the cheapest flight ticket from Seattle 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 Seattle to Trondheim flights?

You could potentially save up to 32% on your flight if you consider stops on a Seattle to Trondheim flight.

When to book flights from Seattle to Trondheim

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Trondheim according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Trondheim (SEA to TRD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Trondheim

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 13h 50m

There are no direct flights from Seattle to Trondheim. There are no popular flight routes from Seattle to Trondheim.

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Frequently asked questions about flying from Seattle to Trondheim

How far is Seattle/Tacoma Intl to Trondheim Vaernes by plane?
Trondheim Vaernes is 4341.0 mi away from Seattle/Tacoma Intl. Flights usually cover this in 13h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport were last updated today.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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 Seattle to Trondheim?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Trondheim for you.

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

Flights from Seattle to Trondheim with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Seattle 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 Seattle to Trondheim right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Trondheim now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Trondheim and let you know when they change.