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.

$394 Cheap Flights from Seattle to Trondheim in 2026

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.

5:45 pm - 10:50 pm

SEA

TRD

20h 05m

1 stop

12:10 pm - 11:37 am

TRD

SEA

32h 27m

1 stop

$577KLM

Mon, Aug 17 - Mon, Aug 24

5:45 pm - 4:35 pm

SEA

TRD

13h 50m

1 stop

6:00 am - 4:37 pm

TRD

SEA

19h 37m

2 stops

$587Delta

Mon, Aug 17 - Mon, Aug 24

9:45 pm - 4:35 pm

SEA

TRD

33h 50m

2 stops

6:15 am - 11:47 am

TRD

SEA

14h 32m

1 stop

$598Delta

Wed, Aug 5 - Wed, Nov 18

9:45 pm - 4:35 pm

SEA

TRD

33h 50m

2 stops

6:15 am - 8:31 pm

TRD

SEA

23h 16m

2 stops

$608Delta

Wed, Aug 5 - Wed, Nov 18

5:45 pm - 11:35 am

SEA

TRD

32h 50m

1 stop

12:10 pm - 11:37 am

TRD

SEA

32h 27m

1 stop

$616KLM

Mon, Aug 17 - Mon, Aug 24

6:05 am - 11:35 am

SEA

TRD

20h 30m

2 stops

6:00 am - 4:27 pm

TRD

SEA

19h 27m

1 stop

$621Delta

Mon, Aug 17 - Mon, Aug 24

6:05 am - 11:35 am

SEA

TRD

20h 30m

2 stops

6:00 am - 4:13 pm

TRD

SEA

19h 13m

2 stops

$631Delta

Mon, Aug 17 - Mon, Aug 24

5:45 pm - 11:35 am

SEA

TRD

32h 50m

1 stop

6:00 am - 4:27 pm

TRD

SEA

19h 27m

1 stop

$651KLM

Mon, Aug 10 - Mon, Aug 17

3:55 pm - 3:20 pm

SEA

TRD

14h 25m

2 stops

9:30 pm - 1:45 pm

TRD

SEA

49h 15m

2 stops

$657Scandinavian Airlines

Tue, Aug 18 - Sun, Aug 23

3:55 pm - 9:20 pm

SEA

TRD

20h 25m

3 stops

9:30 pm - 1:45 pm

TRD

SEA

49h 15m

2 stops

$681Scandinavian Airlines

Tue, Aug 18 - Sun, Aug 23

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KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Aug 17

SEA5:45 pmSeattle/Tacoma Intl

20h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Aug 24

TRD12:10 pmTrondheim Vaernes

32h 27m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$577

KLM

Aug 17

SEA5:45 pmSeattle/Tacoma Intl

32h 50m

1 stop

TRD11:35 amTrondheim Vaernes

Aug 24

TRD12:10 pmTrondheim Vaernes

32h 27m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$616

KLM

Aug 10

SEA5:45 pmSeattle/Tacoma Intl

32h 50m

1 stop

TRD11:35 amTrondheim Vaernes

Aug 17

TRD6:00 amTrondheim Vaernes

19h 27m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

$651

Delta flights from Seattle to Trondheim

Our best Delta deals on Seattle to Trondheim flight tickets

Delta

Aug 17

SEA5:45 pmSeattle/Tacoma Intl

13h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Aug 24

TRD6:00 amTrondheim Vaernes

19h 37m

2 stops

SEA4:37 pmSeattle/Tacoma Intl

$587

Delta

Aug 5

SEA9:45 pmSeattle/Tacoma Intl

33h 50m

2 stops

TRD4:35 pmTrondheim Vaernes

Nov 18

TRD6:15 amTrondheim Vaernes

14h 32m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$598

Delta

Aug 5

SEA9:45 pmSeattle/Tacoma Intl

33h 50m

2 stops

TRD4:35 pmTrondheim Vaernes

Nov 18

TRD6:15 amTrondheim Vaernes

23h 16m

2 stops

SEA8:31 pmSeattle/Tacoma Intl

$608

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

5:45 pm-10:50 pm

1 stop20h 05m

Trondheim Vaernes

Mon 8/24

12:10 pm-11:37 am

1 stop32h 27m

$577

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

5:45 pm-4:35 pm

1 stop13h 50m

Trondheim Vaernes

Mon 8/24

6:00 am-4:37 pm

2 stops19h 37m

$587

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 8/5

9:45 pm-4:35 pm

2 stops33h 50m

Trondheim Vaernes

Wed 11/18

6:15 am-11:47 am

1 stop14h 32m

$598

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 8/5

9:45 pm-4:35 pm

2 stops33h 50m

Trondheim Vaernes

Wed 11/18

6:15 am-8:31 pm

2 stops23h 16m

$608

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/17

5:45 pm-11:35 am

1 stop32h 50m

Trondheim Vaernes

Mon 8/24

12:10 pm-11:37 am

1 stop32h 27m

$616

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

$621

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-4:13 pm

2 stops19h 13m

$631

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 8/10

5:45 pm-11:35 am

1 stop32h 50m

Trondheim Vaernes

Mon 8/17

6:00 am-4:27 pm

1 stop19h 27m

$651

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

3:55 pm-3:20 pm

2 stops14h 25m

Trondheim Vaernes

Sun 8/23

9:30 pm-1:45 pm

2 stops49h 15m

$657

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

3:55 pm-9:20 pm

3 stops20h 25m

Trondheim Vaernes

Sun 8/23

9:30 pm-1:45 pm

2 stops49h 15m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

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

KLM and Delta are the most popular carriers 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	22h 05m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 22h 05m

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 22h 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.