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.

$301 Cheap Flights from Seattle to Trondheim in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

$588KLM

Tue, Aug 18 - Sun, Aug 23

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 11:37 am

TRD

SEA

14h 37m

1 stop

$593Delta

Tue, Aug 18 - Sun, Aug 23

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:00 am - 4:37 pm

TRD

SEA

19h 37m

2 stops

$646Delta

Tue, Aug 18 - Sun, Aug 23

3:55 pm - 12:35 am

SEA

TRD

23h 40m

1 stop

5:40 am - 1:45 pm

TRD

SEA

17h 05m

1 stop

$722Scandinavian Airlines

Tue, Jul 21 - Tue, Aug 4

3:55 pm - 12:35 am

SEA

TRD

23h 40m

1 stop

6:00 am - 1:45 pm

TRD

SEA

16h 45m

2 stops

$726Scandinavian Airlines

Tue, Jul 21 - Tue, Aug 4

3:55 pm - 9:20 pm

SEA

TRD

20h 25m

3 stops

9:30 pm - 1:45 pm

TRD

SEA

49h 15m

2 stops

$755Scandinavian Airlines

Tue, Aug 18 - Sun, Aug 23

3:55 pm - 2:25 pm

SEA

TRD

13h 30m

1 stop

9:30 pm - 1:45 pm

TRD

SEA

49h 15m

2 stops

$757Scandinavian Airlines

Tue, Aug 18 - Sun, Aug 23

3:55 pm - 9:15 am

SEA

TRD

32h 20m

2 stops

6:00 am - 1:45 pm

TRD

SEA

16h 45m

2 stops

$760Scandinavian Airlines

Tue, Jul 21 - Tue, Aug 4

7:15 am - 11:35 am

SEA

TRD

19h 20m

2 stops

6:15 am - 10:11 pm

TRD

SEA

24h 56m

2 stops

$766Delta

Wed, Aug 5 - Tue, Nov 3

9:29 pm - 9:40 am

SEA

TRD

51h 11m

2 stops

5:40 am - 11:19 pm

TRD

SEA

26h 39m

2 stops

$803Scandinavian Airlines

Sun, Aug 23 - Thu, Aug 27

KLM flights from Seattle to Trondheim

Our best KLM deals on Seattle to Trondheim flight tickets

KLM

Aug 18

SEA5:45 pmSeattle/Tacoma Intl

20h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Aug 23

TRD12:10 pmTrondheim Vaernes

32h 27m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$588

KLM

Aug 5

SEA1:50 pmSeattle/Tacoma Intl

24h 00m

1 stop

TRD10:50 pmTrondheim Vaernes

Nov 3

TRD6:15 amTrondheim Vaernes

19h 44m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

$1,058

KLM

Aug 6

SEA5:45 pmSeattle/Tacoma Intl

20h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Nov 3

TRD5:10 pmTrondheim Vaernes

27h 37m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$1,206

Delta flights from Seattle to Trondheim

Our best Delta deals on Seattle to Trondheim flight tickets

Delta

Aug 18

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

TRD11:35 amTrondheim Vaernes

Aug 23

TRD6:00 amTrondheim Vaernes

14h 37m

1 stop

SEA11:37 amSeattle/Tacoma Intl

$593

Delta

Aug 18

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

TRD11:35 amTrondheim Vaernes

Aug 23

TRD6:00 amTrondheim Vaernes

19h 37m

2 stops

SEA4:37 pmSeattle/Tacoma Intl

$646

Delta

Aug 5

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

TRD11:35 amTrondheim Vaernes

Nov 3

TRD6:15 amTrondheim Vaernes

24h 56m

2 stops

SEA10:11 pmSeattle/Tacoma Intl

$766

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

5:45 pm-10:50 pm

1 stop20h 05m

Trondheim Vaernes

Sun 8/23

12:10 pm-11:37 am

1 stop32h 27m

$588

Quickest round-trip

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Sun 8/23

6:00 am-11:37 am

1 stop14h 37m

$593

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 8/18

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Sun 8/23

6:00 am-4:37 pm

2 stops19h 37m

$646

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

3:55 pm-12:35 am

1 stop23h 40m

Trondheim Vaernes

Tue 8/4

5:40 am-1:45 pm

1 stop17h 05m

$722

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

3:55 pm-12:35 am

1 stop23h 40m

Trondheim Vaernes

Tue 8/4

6:00 am-1:45 pm

2 stops16h 45m

$726

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

$755

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

$757

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/21

3:55 pm-9:15 am

2 stops32h 20m

Trondheim Vaernes

Tue 8/4

6:00 am-1:45 pm

2 stops16h 45m

$760

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 8/5

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Tue 11/3

6:15 am-10:11 pm

2 stops24h 56m

$766

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 8/23

9:29 pm-9:40 am

2 stops51h 11m

Trondheim Vaernes

Thu 8/27

5:40 am-11:19 pm

2 stops26h 39m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

Delta and KLM 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	17h 20m
Direct flights	None

The fastest flight from Seattle to Trondheim takes 17h 20m

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 17h 20m, 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.