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.

$523 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 - 10:50 pm

SEA

TRD

20h 15m

1 stop

6:00 am - 11:40 am

TRD

SEA

14h 40m

1 stop

$523KLM

Thu, Apr 23 - Thu, Apr 30

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 11:40 am

TRD

SEA

14h 40m

1 stop

$527Delta

Thu, Apr 23 - Thu, Apr 30

1:45 pm - 4:35 pm

SEA

TRD

17h 50m

1 stop

6:00 am - 11:40 am

TRD

SEA

14h 40m

1 stop

$544KLM

Thu, Apr 23 - Thu, Apr 30

9:50 am - 4:35 pm

SEA

TRD

21h 45m

2 stops

6:00 am - 11:40 am

TRD

SEA

14h 40m

1 stop

$549Delta

Thu, Apr 23 - Thu, Apr 30

9:50 am - 4:35 pm

SEA

TRD

21h 45m

2 stops

6:00 am - 6:26 pm

TRD

SEA

21h 26m

2 stops

$560Delta

Thu, Apr 23 - Thu, Apr 30

1:45 pm - 10:50 pm

SEA

TRD

24h 05m

1 stop

12:10 pm - 11:40 am

TRD

SEA

32h 30m

1 stop

$575KLM

Thu, Apr 23 - Thu, Apr 30

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 6:28 pm

TRD

SEA

21h 28m

2 stops

$589Delta

Thu, Apr 23 - Thu, Apr 30

5:40 pm - 11:35 am

SEA

TRD

32h 55m

1 stop

6:00 am - 11:33 am

TRD

SEA

14h 33m

1 stop

$623Delta

Tue, Jul 21 - Sun, Jul 26

3:55 pm - 8:20 pm

SEA

TRD

19h 25m

2 stops

5:30 pm - 1:45 pm

TRD

SEA

29h 15m

2 stops

$633Scandinavian Airlines

Sun, Jul 19 - Mon, Jul 27

1:45 pm - 10:50 pm

SEA

TRD

24h 05m

1 stop

12:10 pm - 11:40 am

TRD

SEA

32h 30m

1 stop

$635KLM

Thu, Apr 23 - Thu, Apr 30

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Jul 19

SEA3:55 pmSeattle/Tacoma Intl

19h 25m

2 stops

TRD8:20 pmTrondheim Vaernes

Jul 27

TRD5:30 pmTrondheim Vaernes

29h 15m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$633

Scandinavian Airlines

Jul 19

SEA3:55 pmSeattle/Tacoma Intl

19h 25m

2 stops

TRD8:20 pmTrondheim Vaernes

Jul 27

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$636

Scandinavian Airlines

Aug 29

SEA3:55 pmSeattle/Tacoma Intl

14h 50m

2 stops

TRD3:45 pmTrondheim Vaernes

Sep 6

TRD9:30 pmTrondheim Vaernes

49h 15m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$645

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Apr 23

SEA5:35 pmSeattle/Tacoma Intl

20h 15m

1 stop

TRD10:50 pmTrondheim Vaernes

Apr 30

TRD6:00 amTrondheim Vaernes

14h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$523

KLM

Apr 23

SEA1:45 pmSeattle/Tacoma Intl

17h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Apr 30

TRD6:00 amTrondheim Vaernes

14h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$544

KLM

Apr 23

SEA1:45 pmSeattle/Tacoma Intl

24h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Apr 30

TRD12:10 pmTrondheim Vaernes

32h 30m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$575

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

5:35 pm-10:50 pm

1 stop20h 15m

Trondheim Vaernes

Thu 4/30

6:00 am-11:40 am

1 stop14h 40m

$523

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Thu 4/30

6:00 am-11:40 am

1 stop14h 40m

$527

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

1:45 pm-4:35 pm

1 stop17h 50m

Trondheim Vaernes

Thu 4/30

6:00 am-11:40 am

1 stop14h 40m

$544

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

9:50 am-4:35 pm

2 stops21h 45m

Trondheim Vaernes

Thu 4/30

6:00 am-11:40 am

1 stop14h 40m

$549

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

9:50 am-4:35 pm

2 stops21h 45m

Trondheim Vaernes

Thu 4/30

6:00 am-6:26 pm

2 stops21h 26m

$560

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

1:45 pm-10:50 pm

1 stop24h 05m

Trondheim Vaernes

Thu 4/30

12:10 pm-11:40 am

1 stop32h 30m

$575

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Thu 4/30

6:00 am-6:28 pm

2 stops21h 28m

$589

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

5:40 pm-11:35 am

1 stop32h 55m

Trondheim Vaernes

Sun 7/26

6:00 am-11:33 am

1 stop14h 33m

$623

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/19

3:55 pm-8:20 pm

2 stops19h 25m

Trondheim Vaernes

Mon 7/27

5:30 pm-1:45 pm

2 stops29h 15m

$633

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 4/23

1:45 pm-10:50 pm

1 stop24h 05m

Trondheim Vaernes

Thu 4/30

12:10 pm-11:40 am

1 stop32h 30m

$635

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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	19h 25m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 19h 25m

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

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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 19h 25m, 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.