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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport?

As of April 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport.

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.

$526 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

Enter your travel dates to find the best prices.

5:35 pm - 4:35 pm

SEA

TRD

14h 00m

1 stop

5:10 pm - 11:42 am

TRD

SEA

27h 32m

1 stop

$526KLM

Tue, May 5 - Tue, May 12

6:00 am - 11:35 am

SEA

TRD

20h 35m

2 stops

6:00 am - 11:42 am

TRD

SEA

14h 42m

1 stop

$530Delta

Tue, May 5 - Tue, May 12

6:00 am - 11:35 am

SEA

TRD

20h 35m

2 stops

6:00 am - 7:05 pm

TRD

SEA

22h 05m

2 stops

$540Delta

Tue, May 5 - Tue, May 12

3:55 pm - 9:15 am

SEA

TRD

32h 20m

2 stops

5:30 pm - 1:45 pm

TRD

SEA

29h 15m

2 stops

$634Scandinavian Airlines

Tue, Jul 7 - Mon, Jul 27

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

7:45 pm - 1:45 pm

TRD

SEA

27h 00m

1 stop

$636Scandinavian Airlines

Tue, Jul 7 - Mon, Jul 27

6:20 pm - 4:35 pm

SEA

TRD

37h 15m

2 stops

12:10 pm - 4:40 pm

TRD

SEA

37h 30m

2 stops

$656Delta

Mon, Jul 6 - Tue, Jul 28

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

8:35 pm - 1:45 pm

TRD

SEA

50h 10m

2 stops

$662Scandinavian Airlines

Tue, Jul 7 - Sun, Jul 26

3:55 pm - 8:20 pm

SEA

TRD

19h 25m

3 stops

7:45 pm - 1:45 pm

TRD

SEA

27h 00m

1 stop

$664Scandinavian Airlines

Sun, Jul 5 - Mon, Jul 27

3:55 pm - 1:35 pm

SEA

TRD

36h 40m

2 stops

8:35 pm - 1:45 pm

TRD

SEA

50h 10m

2 stops

$668Scandinavian Airlines

Sun, Jul 5 - Sun, Jul 26

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

4:10 pm - 1:45 pm

TRD

SEA

54h 35m

2 stops

$687Scandinavian Airlines

Tue, Jul 7 - Wed, Jul 29

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

May 5

SEA5:35 pmSeattle/Tacoma Intl

14h 00m

1 stop

TRD4:35 pmTrondheim Vaernes

May 12

TRD5:10 pmTrondheim Vaernes

27h 32m

1 stop

SEA11:42 amSeattle/Tacoma Intl

$526

KLM

Jun 5

SEA1:55 pmSeattle/Tacoma Intl

17h 40m

1 stop

TRD4:35 pmTrondheim Vaernes

Jun 12

TRD6:00 amTrondheim Vaernes

14h 37m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$701

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Jul 7

SEA3:55 pmSeattle/Tacoma Intl

32h 20m

2 stops

TRD9:15 amTrondheim Vaernes

Jul 27

TRD5:30 pmTrondheim Vaernes

29h 15m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$634

Scandinavian Airlines

Jul 7

SEA3:55 pmSeattle/Tacoma Intl

13h 30m

1 stop

TRD2:25 pmTrondheim Vaernes

Jul 27

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$636

Scandinavian Airlines

Jul 7

SEA3:55 pmSeattle/Tacoma Intl

13h 30m

1 stop

TRD2:25 pmTrondheim Vaernes

Jul 26

TRD8:35 pmTrondheim Vaernes

50h 10m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$662

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 5/5

5:35 pm-4:35 pm

1 stop14h 00m

Trondheim Vaernes

Tue 5/12

5:10 pm-11:42 am

1 stop27h 32m

$526

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 5/5

6:00 am-11:35 am

2 stops20h 35m

Trondheim Vaernes

Tue 5/12

6:00 am-11:42 am

1 stop14h 42m

$530

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 5/5

6:00 am-11:35 am

2 stops20h 35m

Trondheim Vaernes

Tue 5/12

6:00 am-7:05 pm

2 stops22h 05m

$540

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/7

3:55 pm-9:15 am

2 stops32h 20m

Trondheim Vaernes

Mon 7/27

5:30 pm-1:45 pm

2 stops29h 15m

$634

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/7

3:55 pm-2:25 pm

1 stop13h 30m

Trondheim Vaernes

Mon 7/27

7:45 pm-1:45 pm

1 stop27h 00m

$636

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 7/6

6:20 pm-4:35 pm

2 stops37h 15m

Trondheim Vaernes

Tue 7/28

12:10 pm-4:40 pm

2 stops37h 30m

$656

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/7

3:55 pm-2:25 pm

1 stop13h 30m

Trondheim Vaernes

Sun 7/26

8:35 pm-1:45 pm

2 stops50h 10m

$662

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/5

3:55 pm-8:20 pm

3 stops19h 25m

Trondheim Vaernes

Mon 7/27

7:45 pm-1:45 pm

1 stop27h 00m

$664

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/5

3:55 pm-1:35 pm

2 stops36h 40m

Trondheim Vaernes

Sun 7/26

8:35 pm-1:45 pm

2 stops50h 10m

$668

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/7

3:55 pm-2:25 pm

1 stop13h 30m

Trondheim Vaernes

Wed 7/29

4:10 pm-1:45 pm

2 stops54h 35m

$687

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	13h 30m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 13h 30m

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

Search flight deals

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 30m, 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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport?
As of April 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Trondheim Vaernes Airport.
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.
What is the most popular airline from Seattle to Trondheim?
Based on momondo bookings for flights between Seattle and Trondheim, the leading airline is KLM, making up 100% of the total bookings.

Best airlines flying from Seattle to Trondheim

Compare and see reviews for airlines that fly from Seattle to Trondheim with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $510	Free Cancellation	Rating 7.8 1,508 reviews		Search KLM flights

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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?

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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.