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

Delta 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.

$250 Cheap Flights from Seattle to Trondheim in 2026

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3:05 pm - 10:55 pm

SEA

TRD

22h 50m1 stop

6:15 am - 11:40 am

TRD

SEA

14h 25m1 stop

$516KLM

Fri, Feb 20 - Fri, Feb 27

7:10 am - 4:35 pm

SEA

TRD

24h 25m2 stops

6:15 am - 11:40 am

TRD

SEA

14h 25m1 stop

$595Delta

Fri, Feb 20 - Fri, Feb 27

7:10 am - 4:35 pm

SEA

TRD

24h 25m2 stops

6:15 am - 6:49 pm

TRD

SEA

21h 34m2 stops

$605Delta

Fri, Feb 20 - Fri, Feb 27

2:30 pm - 7:10 pm

SEA

TRD

19h 40m2 stops

7:45 pm - 1:45 pm

TRD

SEA

27h 00m1 stop

$730Scandinavian Airlines

Mon, Jun 1 - Mon, Jun 8

2:30 pm - 7:10 pm

SEA

TRD

19h 40m2 stops

7:55 pm - 1:45 pm

TRD

SEA

26h 50m2 stops

$734Scandinavian Airlines

Mon, Jun 1 - Mon, Jun 8

2:30 pm - 7:25 pm

SEA

TRD

19h 55m3 stops

7:55 pm - 1:45 pm

TRD

SEA

26h 50m2 stops

$739Scandinavian Airlines

Mon, Jun 1 - Mon, Jun 8

5:35 pm - 4:35 pm

SEA

TRD

14h 00m1 stop

5:10 pm - 11:37 am

TRD

SEA

27h 27m1 stop

$806KLM

Mon, Jun 1 - Mon, Jun 8

7:10 am - 2:30 pm

SEA

TRD

22h 20m2 stops

7:45 pm - 10:25 pm

TRD

SEA

35h 40m2 stops

$842Scandinavian Airlines

Fri, Jan 23 - Tue, Jan 27

7:10 am - 2:30 pm

SEA

TRD

22h 20m2 stops

5:30 am - 10:25 pm

TRD

SEA

25h 55m2 stops

$872Scandinavian Airlines

Fri, Jan 23 - Tue, Jan 27

2:35 pm - 9:40 am

SEA

TRD

34h 05m3 stops

6:25 am - 5:00 pm

TRD

SEA

19h 35m3 stops

$974Multiple Airlines

Fri, Feb 20 - Fri, Feb 27

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Jun 1

SEA2:30 pmSeattle/Tacoma Intl

19h 40m

2 stops

TRD7:10 pmTrondheim Vaernes

Jun 8

TRD7:45 pmTrondheim Vaernes

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$730

Scandinavian Airlines

Jun 1

SEA2:30 pmSeattle/Tacoma Intl

19h 40m

2 stops

TRD7:10 pmTrondheim Vaernes

Jun 8

TRD7:55 pmTrondheim Vaernes

26h 50m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$734

Scandinavian Airlines

Jun 1

SEA2:30 pmSeattle/Tacoma Intl

19h 55m

3 stops

TRD7:25 pmTrondheim Vaernes

Jun 8

TRD7:55 pmTrondheim Vaernes

26h 50m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$739

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Feb 20

SEA3:05 pmSeattle/Tacoma Intl

22h 50m

1 stop

TRD10:55 pmTrondheim Vaernes

Feb 27

TRD6:15 amTrondheim Vaernes

14h 25m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$516

KLM

Jun 1

SEA5:35 pmSeattle/Tacoma Intl

14h 00m

1 stop

TRD4:35 pmTrondheim Vaernes

Jun 8

TRD5:10 pmTrondheim Vaernes

27h 27m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$806

KLM

Jan 14

SEA3:10 pmSeattle/Tacoma Intl

22h 45m

1 stop

TRD10:55 pmTrondheim Vaernes

Jan 18

TRD5:15 pmTrondheim Vaernes

27h 35m

1 stop

SEA11:50 amSeattle/Tacoma Intl

$895

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 2/20

3:05 pm-10:55 pm

1 stop22h 50m

Trondheim Vaernes

Fri 2/27

6:15 am-11:40 am

1 stop14h 25m

$516

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 2/20

7:10 am-4:35 pm

2 stops24h 25m

Trondheim Vaernes

Fri 2/27

6:15 am-11:40 am

1 stop14h 25m

$595

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 2/20

7:10 am-4:35 pm

2 stops24h 25m

Trondheim Vaernes

Fri 2/27

6:15 am-6:49 pm

2 stops21h 34m

$605

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 6/1

2:30 pm-7:10 pm

2 stops19h 40m

Trondheim Vaernes

Mon 6/8

7:45 pm-1:45 pm

1 stop27h 00m

$730

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 6/1

2:30 pm-7:10 pm

2 stops19h 40m

Trondheim Vaernes

Mon 6/8

7:55 pm-1:45 pm

2 stops26h 50m

$734

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 6/1

2:30 pm-7:25 pm

3 stops19h 55m

Trondheim Vaernes

Mon 6/8

7:55 pm-1:45 pm

2 stops26h 50m

$739

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 6/1

5:35 pm-4:35 pm

1 stop14h 00m

Trondheim Vaernes

Mon 6/8

5:10 pm-11:37 am

1 stop27h 27m

$806

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 1/23

7:10 am-2:30 pm

2 stops22h 20m

Trondheim Vaernes

Tue 1/27

7:45 pm-10:25 pm

2 stops35h 40m

$842

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 1/23

7:10 am-2:30 pm

2 stops22h 20m

Trondheim Vaernes

Tue 1/27

5:30 am-10:25 pm

2 stops25h 55m

$872

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Fri 2/20

2:35 pm-9:40 am

3 stops34h 05m

Trondheim Vaernes

Fri 2/27

6:25 am-5:00 pm

3 stops19h 35m

$974

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	19h 40m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 19h 40m

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 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.

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Cheap flights from Seattle to Trondheim from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Trondheim departing on 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Trondheim

Cheap round-trip flights

Cheap one-way flights

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

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Use the filters below to find and compare flights from Seattle to Trondheim that are best for you.

See travel insights to Trondheim from

How to get the cheapest flight ticket from Seattle to Trondheim

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.

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

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

When to book flights from Seattle to Trondheim

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

Direct flights

How far is Seattle/Tacoma Intl to Trondheim Vaernes by plane?

When did momondo last update prices 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?

What documentation or ID do you need to fly to Trondheim Vaernes Airport?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Trondheim?

Can I find flights from Seattle to Trondheim with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Trondheim?

I’m not ready to book a flight from Seattle to Trondheim right now. Can momondo alert me if prices change?

An easier way to manage your Trondheim trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Norway

Airports servicing Norway