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

Scandinavian Airlines 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.

$439 Cheap Flights from Seattle to Trondheim in 2026

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Find the cheapest flights from Seattle to Trondheim

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 10:50 pm

SEA

TRD

20h 20m

1 stop

5:10 pm - 11:45 am

TRD

SEA

27h 35m

1 stop

$439KLM

Sun, Mar 29 - Thu, Apr 2

1:45 pm - 9:40 am

SEA

TRD

34h 55m

2 stops

12:10 pm - 11:45 am

TRD

SEA

32h 35m

1 stop

$469Delta

Sun, Mar 29 - Thu, Apr 2

10:25 pm - 4:35 pm

SEA

TRD

33h 10m

2 stops

6:00 am - 10:10 pm

TRD

SEA

25h 10m

2 stops

$534Delta

Sun, Mar 29 - Thu, Apr 2

3:05 pm - 10:55 pm

SEA

TRD

22h 50m

1 stop

6:15 am - 12:35 pm

TRD

SEA

14h 20m

1 stop

$626KLM

Thu, Mar 5 - Thu, Mar 12

7:10 am - 4:35 pm

SEA

TRD

24h 25m

2 stops

6:15 am - 12:35 pm

TRD

SEA

14h 20m

1 stop

$630Delta

Thu, Mar 5 - Thu, Mar 12

7:10 am - 4:35 pm

SEA

TRD

24h 25m

2 stops

6:15 am - 6:21 pm

TRD

SEA

20h 06m

2 stops

$640Delta

Thu, Mar 5 - Thu, Mar 12

3:55 pm - 3:45 pm

SEA

TRD

14h 50m

2 stops

7:45 pm - 1:45 pm

TRD

SEA

27h 00m

1 stop

$654Scandinavian Airlines

Sat, Jun 13 - Fri, Jun 19

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

7:45 pm - 1:45 pm

TRD

SEA

27h 00m

1 stop

$656Scandinavian Airlines

Sat, Jun 13 - Fri, Jun 19

3:55 pm - 9:40 am

SEA

TRD

32h 45m

1 stop

9:00 pm - 1:45 pm

TRD

SEA

25h 45m

2 stops

$659Scandinavian Airlines

Fri, Jun 12 - Thu, Jun 18

5:30 pm - 11:35 am

SEA

TRD

33h 05m

1 stop

12:10 pm - 11:45 am

TRD

SEA

32h 35m

1 stop

$662KLM

Mon, Apr 6 - Mon, Apr 13

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

May 3

SEA1:45 pmSeattle/Tacoma Intl

17h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Aug 17

TRD6:00 amTrondheim Vaernes

23h 03m

2 stops

SEA8:03 pmSeattle/Tacoma Intl

$645

Scandinavian Airlines

Jun 13

SEA3:55 pmSeattle/Tacoma Intl

14h 50m

2 stops

TRD3:45 pmTrondheim Vaernes

Jun 19

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$654

Scandinavian Airlines

Jun 13

SEA3:55 pmSeattle/Tacoma Intl

13h 30m

1 stop

TRD2:25 pmTrondheim Vaernes

Jun 19

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$656

Delta flights from Seattle to Trondheim

Our best Delta deals on Seattle to Trondheim flight tickets

Delta

Mar 29

SEA1:45 pmSeattle/Tacoma Intl

34h 55m

2 stops

TRD9:40 amTrondheim Vaernes

Apr 2

TRD12:10 pmTrondheim Vaernes

32h 35m

1 stop

SEA11:45 amSeattle/Tacoma Intl

$469

Delta

Apr 8

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

TRD11:35 amTrondheim Vaernes

Apr 15

TRD6:00 amTrondheim Vaernes

14h 45m

1 stop

SEA11:45 amSeattle/Tacoma Intl

$480

Delta

Apr 8

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

TRD11:35 amTrondheim Vaernes

Apr 15

TRD6:00 amTrondheim Vaernes

21h 28m

2 stops

SEA6:28 pmSeattle/Tacoma Intl

$490

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/29

5:30 pm-10:50 pm

1 stop20h 20m

Trondheim Vaernes

Thu 4/2

5:10 pm-11:45 am

1 stop27h 35m

$439

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/29

1:45 pm-9:40 am

2 stops34h 55m

Trondheim Vaernes

Thu 4/2

12:10 pm-11:45 am

1 stop32h 35m

$469

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/29

10:25 pm-4:35 pm

2 stops33h 10m

Trondheim Vaernes

Thu 4/2

6:00 am-10:10 pm

2 stops25h 10m

$534

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 3/5

3:05 pm-10:55 pm

1 stop22h 50m

Trondheim Vaernes

Thu 3/12

6:15 am-12:35 pm

1 stop14h 20m

$626

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 3/5

7:10 am-4:35 pm

2 stops24h 25m

Trondheim Vaernes

Thu 3/12

6:15 am-12:35 pm

1 stop14h 20m

$630

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Thu 3/5

7:10 am-4:35 pm

2 stops24h 25m

Trondheim Vaernes

Thu 3/12

6:15 am-6:21 pm

2 stops20h 06m

$640

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 6/13

3:55 pm-3:45 pm

2 stops14h 50m

Trondheim Vaernes

Fri 6/19

7:45 pm-1:45 pm

1 stop27h 00m

$654

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 6/13

3:55 pm-2:25 pm

1 stop13h 30m

Trondheim Vaernes

Fri 6/19

7:45 pm-1:45 pm

1 stop27h 00m

$656

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 6/12

3:55 pm-9:40 am

1 stop32h 45m

Trondheim Vaernes

Thu 6/18

9:00 pm-1:45 pm

2 stops25h 45m

$659

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 4/6

5:30 pm-11:35 am

1 stop33h 05m

Trondheim Vaernes

Mon 4/13

12:10 pm-11:45 am

1 stop32h 35m

$662

Flights are sorted by cheapest round-trip flights first.

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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 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	14h 50m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 14h 50m

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 14h 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.