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

Air Europa is the most popular carrier 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.

$294 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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5:35 pm - 11:35 am

SEA

TRD

33h 00m

1 stop

12:15 pm - 11:42 am

TRD

SEA

32h 27m

1 stop

$475KLM

Sat, Apr 25 - Sat, May 2

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 11:45 am

TRD

SEA

14h 45m

1 stop

$680Delta

Sat, Apr 25 - Sat, May 2

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 6:26 pm

TRD

SEA

21h 26m

2 stops

$691Delta

Sat, Apr 25 - Sat, May 2

7:00 am - 9:40 am

SEA

TRD

41h 40m

2 stops

9:25 am - 10:31 pm

TRD

SEA

22h 06m

2 stops

$702Scandinavian Airlines

Sun, Apr 26 - Thu, Apr 30

7:00 am - 9:40 am

SEA

TRD

41h 40m

2 stops

10:30 am - 10:31 pm

TRD

SEA

21h 01m

2 stops

$726Scandinavian Airlines

Sun, Apr 26 - Thu, Apr 30

7:00 am - 2:25 pm

SEA

TRD

22h 25m

2 stops

6:25 am - 10:31 pm

TRD

SEA

25h 06m

2 stops

$796Scandinavian Airlines

Sun, Apr 26 - Thu, Apr 30

1:19 pm - 8:20 am

SEA

TRD

34h 01m

2 stops

8:50 am - 10:38 pm

TRD

SEA

22h 48m

2 stops

$830Multiple Airlines

Sat, Apr 11 - Sat, Apr 18

7:00 am - 9:40 am

SEA

TRD

41h 40m

2 stops

7:55 pm - 10:31 pm

TRD

SEA

35h 36m

2 stops

$846Scandinavian Airlines

Sun, Apr 26 - Thu, Apr 30

7:00 am - 8:20 am

SEA

TRD

40h 20m

2 stops

8:50 am - 12:36 am

TRD

SEA

24h 46m

2 stops

$988Multiple Airlines

Sat, Apr 11 - Sat, Apr 18

7:00 pm - 8:00 am

SEA

TRD

28h 00m

3 stops

1:45 pm - 8:40 pm

TRD

SEA

39h 55m

2 stops

$1,113Multiple Airlines

Sat, Apr 25 - Sat, May 2

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Apr 25

SEA5:35 pmSeattle/Tacoma Intl

33h 00m

1 stop

TRD11:35 amTrondheim Vaernes

May 2

TRD12:15 pmTrondheim Vaernes

32h 27m

1 stop

SEA11:42 amSeattle/Tacoma Intl

$475

KLM

Jul 27

SEA9:50 pmSeattle/Tacoma Intl

16h 00m

2 stops

TRD10:50 pmTrondheim Vaernes

Sep 25

TRD12:10 pmTrondheim Vaernes

17h 03m

2 stops

SEA8:13 pmSeattle/Tacoma Intl

$875

KLM

Apr 11

SEA5:35 pmSeattle/Tacoma Intl

33h 00m

1 stop

TRD11:35 amTrondheim Vaernes

Apr 18

TRD5:10 pmTrondheim Vaernes

27h 35m

1 stop

SEA11:45 amSeattle/Tacoma Intl

$1,125

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Apr 26

SEA7:00 amSeattle/Tacoma Intl

41h 40m

2 stops

TRD9:40 amTrondheim Vaernes

Apr 30

TRD9:25 amTrondheim Vaernes

22h 06m

2 stops

SEA10:31 pmSeattle/Tacoma Intl

$702

Scandinavian Airlines

Apr 26

SEA7:00 amSeattle/Tacoma Intl

41h 40m

2 stops

TRD9:40 amTrondheim Vaernes

Apr 30

TRD10:30 amTrondheim Vaernes

21h 01m

2 stops

SEA10:31 pmSeattle/Tacoma Intl

$726

Scandinavian Airlines

Apr 26

SEA7:00 amSeattle/Tacoma Intl

22h 25m

2 stops

TRD2:25 pmTrondheim Vaernes

Apr 30

TRD6:25 amTrondheim Vaernes

25h 06m

2 stops

SEA10:31 pmSeattle/Tacoma Intl

$796

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 4/25

5:35 pm-11:35 am

1 stop33h 00m

Trondheim Vaernes

Sat 5/2

12:15 pm-11:42 am

1 stop32h 27m

$475

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 4/25

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Sat 5/2

6:00 am-11:45 am

1 stop14h 45m

$680

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 4/25

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Sat 5/2

6:00 am-6:26 pm

2 stops21h 26m

$691

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/26

7:00 am-9:40 am

2 stops41h 40m

Trondheim Vaernes

Thu 4/30

9:25 am-10:31 pm

2 stops22h 06m

$702

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/26

7:00 am-9:40 am

2 stops41h 40m

Trondheim Vaernes

Thu 4/30

10:30 am-10:31 pm

2 stops21h 01m

$726

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/26

7:00 am-2:25 pm

2 stops22h 25m

Trondheim Vaernes

Thu 4/30

6:25 am-10:31 pm

2 stops25h 06m

$796

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 4/11

1:19 pm-8:20 am

2 stops34h 01m

Trondheim Vaernes

Sat 4/18

8:50 am-10:38 pm

2 stops22h 48m

$830

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/26

7:00 am-9:40 am

2 stops41h 40m

Trondheim Vaernes

Thu 4/30

7:55 pm-10:31 pm

2 stops35h 36m

$846

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 4/11

7:00 am-8:20 am

2 stops40h 20m

Trondheim Vaernes

Sat 4/18

8:50 am-12:36 am

2 stops24h 46m

$988

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 4/25

7:00 pm-8:00 am

3 stops28h 00m

Trondheim Vaernes

Sat 5/2

1:45 pm-8:40 pm

2 stops39h 55m

$1,113

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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 19% 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	41h 40m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 41h 40m

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

Search flight deals

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 41h 40m, 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.