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

KLM and Finnair are the most popular carriers 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.

$263 Cheap Flights from Seattle to Trondheim in 2026

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Find the cheapest flights from Seattle to Trondheim

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 4:35 pm

SEA

TRD

14h 05m

1 stop

6:00 am - 5:16 pm

TRD

SEA

20h 16m

2 stops

$556Delta

Sun, Apr 19 - Fri, Apr 24

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 5:16 pm

TRD

SEA

20h 16m

2 stops

$560Delta

Sun, Apr 19 - Fri, Apr 24

5:30 pm - 10:50 pm

SEA

TRD

20h 20m

1 stop

6:00 am - 11:45 am

TRD

SEA

14h 45m

1 stop

$595KLM

Sun, Apr 19 - Fri, Apr 24

7:00 pm - 10:45 pm

SEA

TRD

18h 45m

3 stops

6:05 pm - 11:35 am

TRD

SEA

50h 30m

2 stops

$923Multiple Airlines

Sun, Apr 19 - Fri, Apr 24

11:45 am - 4:10 pm

SEA

TRD

19h 25m

3 stops

9:25 am - 7:59 pm

TRD

SEA

19h 34m

3 stops

$1,493Scandinavian Airlines

Sun, Apr 19 - Fri, Apr 24

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Jul 5

SEA3:55 pmSeattle/Tacoma Intl

32h 45m

1 stop

TRD9:40 amTrondheim Vaernes

Jul 15

TRD8:30 pmTrondheim Vaernes

50h 15m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$732

Scandinavian Airlines

Jul 5

SEA3:55 pmSeattle/Tacoma Intl

36h 40m

2 stops

TRD1:35 pmTrondheim Vaernes

Jul 15

TRD9:00 pmTrondheim Vaernes

49h 45m

3 stops

SEA1:45 pmSeattle/Tacoma Intl

$738

Scandinavian Airlines

Jul 5

SEA3:55 pmSeattle/Tacoma Intl

46h 15m

2 stops

TRD11:10 pmTrondheim Vaernes

Jul 13

TRD3:45 pmTrondheim Vaernes

31h 00m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$744

Delta flights from Seattle to Trondheim

Our best Delta deals on Seattle to Trondheim flight tickets

Delta

Jul 4

SEA1:45 pmSeattle/Tacoma Intl

17h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Jul 14

TRD12:10 pmTrondheim Vaernes

32h 23m

1 stop

SEA11:33 amSeattle/Tacoma Intl

$698

Delta

Jul 4

SEA6:05 amSeattle/Tacoma Intl

25h 30m

2 stops

TRD4:35 pmTrondheim Vaernes

Jul 15

TRD12:10 pmTrondheim Vaernes

32h 23m

1 stop

SEA11:33 amSeattle/Tacoma Intl

$703

Delta

Jul 6

SEA6:20 pmSeattle/Tacoma Intl

37h 15m

2 stops

TRD4:35 pmTrondheim Vaernes

Jul 14

TRD12:10 pmTrondheim Vaernes

32h 23m

1 stop

SEA11:33 amSeattle/Tacoma Intl

$718

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/19

5:30 pm-4:35 pm

1 stop14h 05m

Trondheim Vaernes

Fri 4/24

6:00 am-5:16 pm

2 stops20h 16m

$556

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/19

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Fri 4/24

6:00 am-5:16 pm

2 stops20h 16m

$560

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/19

5:30 pm-10:50 pm

1 stop20h 20m

Trondheim Vaernes

Fri 4/24

6:00 am-11:45 am

1 stop14h 45m

$595

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/19

7:00 pm-10:45 pm

3 stops18h 45m

Trondheim Vaernes

Fri 4/24

6:05 pm-11:35 am

2 stops50h 30m

$923

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/19

11:45 am-4:10 pm

3 stops19h 25m

Trondheim Vaernes

Fri 4/24

9:25 am-7:59 pm

3 stops19h 34m

$1,493

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

1:45 pm-10:50 pm

1 stop24h 05m

$263

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

1:35 pm-8:20 am

2 stops33h 45m

$289

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 7/20

1:35 pm-10:40 pm

2 stops24h 05m

$349

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 7/22

6:50 pm-8:15 pm

2 stops16h 25m

$449

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

5:40 pm-11:10 pm

3 stops20h 30m

$509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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

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 05m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 14h 05m

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 05m, 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 $263

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

Filter for what you want

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Find the cheapest flights from Seattle to Trondheim

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Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Delta flights from Seattle to Trondheim

Our best Delta 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?

KLM and Finnair are the most popular carriers 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