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.

$357 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.

1:45 pm - 11:40 am

SEA

TRD

12h 55m

1 stop

6:00 am - 4:20 pm

TRD

SEA

19h 20m

1 stop

$581KLM

Fri, Jul 10 - Wed, Jul 15

5:45 pm - 11:35 am

SEA

TRD

32h 50m

1 stop

5:10 pm - 11:47 am

TRD

SEA

27h 37m

1 stop

$604KLM

Wed, Aug 19 - Sun, Sep 20

5:45 pm - 10:50 pm

SEA

TRD

20h 05m

1 stop

6:00 am - 4:27 pm

TRD

SEA

19h 27m

1 stop

$616KLM

Mon, Aug 17 - Mon, Aug 24

3:55 pm - 11:10 pm

SEA

TRD

22h 15m

2 stops

8:35 pm - 1:45 pm

TRD

SEA

50h 10m

2 stops

$636Scandinavian Airlines

Sun, Jul 19 - Sun, Jul 26

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

8:35 pm - 1:45 pm

TRD

SEA

50h 10m

2 stops

$637Scandinavian Airlines

Sun, Jul 19 - Sun, Jul 26

3:55 pm - 12:35 am

SEA

TRD

23h 40m

1 stop

8:35 pm - 1:45 pm

TRD

SEA

50h 10m

2 stops

$638Scandinavian Airlines

Sun, Aug 2 - Sun, Aug 9

3:55 pm - 8:20 pm

SEA

TRD

19h 25m

3 stops

8:35 pm - 1:45 pm

TRD

SEA

50h 10m

2 stops

$652Scandinavian Airlines

Sun, Aug 2 - Sun, Aug 9

1:45 pm - 11:40 am

SEA

TRD

12h 55m

1 stop

6:00 am - 8:03 pm

TRD

SEA

23h 03m

2 stops

$657Delta

Fri, Jul 10 - Wed, Jul 15

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

9:30 pm - 1:45 pm

TRD

SEA

49h 15m

2 stops

$658Scandinavian Airlines

Tue, Aug 18 - Sun, Aug 23

6:05 am - 11:35 am

SEA

TRD

20h 30m

2 stops

6:00 am - 4:27 pm

TRD

SEA

19h 27m

1 stop

$668Delta

Mon, Aug 17 - Mon, Aug 24

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Jul 10

SEA1:45 pmSeattle/Tacoma Intl

12h 55m

1 stop

TRD11:40 amTrondheim Vaernes

Jul 15

TRD6:00 amTrondheim Vaernes

19h 20m

1 stop

SEA4:20 pmSeattle/Tacoma Intl

$581

KLM

Aug 19

SEA5:45 pmSeattle/Tacoma Intl

32h 50m

1 stop

TRD11:35 amTrondheim Vaernes

Sep 20

TRD5:10 pmTrondheim Vaernes

27h 37m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$604

KLM

Aug 17

SEA5:45 pmSeattle/Tacoma Intl

20h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Aug 24

TRD6:00 amTrondheim Vaernes

19h 27m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

$616

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

22h 15m

2 stops

TRD11:10 pmTrondheim Vaernes

Jul 26

TRD8:35 pmTrondheim Vaernes

50h 10m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$636

Scandinavian Airlines

Jul 19

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

$637

Scandinavian Airlines

Aug 2

SEA3:55 pmSeattle/Tacoma Intl

23h 40m

1 stop

TRD12:35 amTrondheim Vaernes

Aug 9

TRD8:35 pmTrondheim Vaernes

50h 10m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$638

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 7/10

1:45 pm-11:40 am

1 stop12h 55m

Trondheim Vaernes

Wed 7/15

6:00 am-4:20 pm

1 stop19h 20m

$581

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 8/19

5:45 pm-11:35 am

1 stop32h 50m

Trondheim Vaernes

Sun 9/20

5:10 pm-11:47 am

1 stop27h 37m

$604

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

5:45 pm-10:50 pm

1 stop20h 05m

Trondheim Vaernes

Mon 8/24

6:00 am-4:27 pm

1 stop19h 27m

$616

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/19

3:55 pm-11:10 pm

2 stops22h 15m

Trondheim Vaernes

Sun 7/26

8:35 pm-1:45 pm

2 stops50h 10m

$636

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/19

3:55 pm-2:25 pm

1 stop13h 30m

Trondheim Vaernes

Sun 7/26

8:35 pm-1:45 pm

2 stops50h 10m

$637

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 8/2

3:55 pm-12:35 am

1 stop23h 40m

Trondheim Vaernes

Sun 8/9

8:35 pm-1:45 pm

2 stops50h 10m

$638

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 8/2

3:55 pm-8:20 pm

3 stops19h 25m

Trondheim Vaernes

Sun 8/9

8:35 pm-1:45 pm

2 stops50h 10m

$652

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 7/10

1:45 pm-11:40 am

1 stop12h 55m

Trondheim Vaernes

Wed 7/15

6:00 am-8:03 pm

2 stops23h 03m

$657

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

3:55 pm-2:25 pm

1 stop13h 30m

Trondheim Vaernes

Sun 8/23

9:30 pm-1:45 pm

2 stops49h 15m

$658

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

6:05 am-11:35 am

2 stops20h 30m

Trondheim Vaernes

Mon 8/24

6:00 am-4:27 pm

1 stop19h 27m

$668

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

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

KLM is the most popular carrier operating from Seattle/Tacoma Intl to Trondheim Vaernes

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	12h 55m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 12h 55m

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 12h 55m, 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.