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.

$487 Cheap Flights from Seattle to Trondheim in 2025/26

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12:00 pm - 9:40 amSEA-TRD

37h 40m2 stops

3:05 pm - 11:40 pmTRD-SEA

40h 35m2 stops

$487Scandinavian Airlines

Find Deal

Wed, Mar 11 - Tue, Mar 24

2:02 pm - 9:40 amSEA-TRD

34h 38m2 stops

7:45 pm - 10:25 pmTRD-SEA

35h 40m2 stops

$521Scandinavian Airlines

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Mon, Feb 9 - Fri, Feb 13

9:55 am - 4:35 pmSEA-TRD

22h 40m2 stops

6:15 am - 6:56 pmTRD-SEA

20h 41m2 stops

$549Delta

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Tue, Mar 10 - Mon, Mar 16

4:00 pm - 4:35 pmSEA-TRD

16h 35m1 stop

5:10 pm - 12:35 pmTRD-SEA

27h 25m1 stop

$565KLM

Find Deal

Tue, Mar 10 - Mon, Mar 16

5:35 pm - 4:30 pmSEA-TRD

13h 55m1 stop

6:00 am - 6:20 pmTRD-SEA

21h 20m2 stops

$573Delta

Find Deal

Sun, Apr 12 - Sun, Apr 19

4:00 pm - 4:35 pmSEA-TRD

16h 35m1 stop

6:15 am - 6:56 pmTRD-SEA

20h 41m2 stops

$585Delta

Find Deal

Tue, Mar 10 - Mon, Mar 16

7:20 am - 9:40 amSEA-TRD

18h 20m2 stops

10:20 am - 10:25 pmTRD-SEA

20h 05m2 stops

$604Scandinavian Airlines

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Tue, Mar 10 - Mon, Mar 16

3:05 pm - 4:35 pmSEA-TRD

16h 30m1 stop

6:15 am - 11:40 amTRD-SEA

14h 25m1 stop

$607Delta

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Mon, Feb 9 - Fri, Feb 13

5:00 am - 4:35 pmSEA-TRD

26h 35m2 stops

6:15 am - 11:40 amTRD-SEA

14h 25m1 stop

$612Delta

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Mon, Feb 9 - Fri, Feb 13

9:25 am - 4:35 pmSEA-TRD

22h 10m2 stops

6:15 am - 11:40 amTRD-SEA

14h 25m1 stop

$616Delta

Find Deal

Mon, Feb 9 - Fri, Feb 13

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Mar 11

SEA12:00 pmSeattle/Tacoma Intl

37h 40m

2 stops

TRD9:40 amTrondheim Vaernes

Mar 24

TRD3:05 pmTrondheim Vaernes

40h 35m

2 stops

SEA11:40 pmSeattle/Tacoma Intl

$487

Find similar

Scandinavian Airlines

Feb 9

SEA2:02 pmSeattle/Tacoma Intl

34h 38m

2 stops

TRD9:40 amTrondheim Vaernes

Feb 13

TRD7:45 pmTrondheim Vaernes

35h 40m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$521

Find similar

Scandinavian Airlines

Mar 10

SEA7:20 amSeattle/Tacoma Intl

18h 20m

2 stops

TRD9:40 amTrondheim Vaernes

Mar 16

TRD10:20 amTrondheim Vaernes

20h 05m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$604

Find similar

Delta flights from Seattle to Trondheim

Our best Delta deals on Seattle to Trondheim flight tickets

Delta

Mar 10

SEA9:55 amSeattle/Tacoma Intl

22h 40m

2 stops

TRD4:35 pmTrondheim Vaernes

Mar 16

TRD6:15 amTrondheim Vaernes

20h 41m

2 stops

SEA6:56 pmSeattle/Tacoma Intl

$549

Find similar

Delta

Mar 10

SEA4:00 pmSeattle/Tacoma Intl

16h 35m

1 stop

TRD4:35 pmTrondheim Vaernes

Mar 16

TRD6:15 amTrondheim Vaernes

20h 41m

2 stops

SEA6:56 pmSeattle/Tacoma Intl

$585

Find similar

Delta

Feb 9

SEA3:05 pmSeattle/Tacoma Intl

16h 30m

1 stop

TRD4:35 pmTrondheim Vaernes

Feb 13

TRD6:15 amTrondheim Vaernes

14h 25m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$612

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 3/11

12:00 pm-9:40 am

2 stops37h 40m

Trondheim Vaernes

Tue 3/24

3:05 pm-11:40 pm

2 stops40h 35m

$487

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 2/9

2:02 pm-9:40 am

2 stops34h 38m

Trondheim Vaernes

Fri 2/13

7:45 pm-10:25 pm

2 stops35h 40m

$521

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 3/10

9:55 am-4:35 pm

2 stops22h 40m

Trondheim Vaernes

Mon 3/16

6:15 am-6:56 pm

2 stops20h 41m

$549

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 3/10

4:00 pm-4:35 pm

1 stop16h 35m

Trondheim Vaernes

Mon 3/16

5:10 pm-12:35 pm

1 stop27h 25m

$565

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 4/12

5:35 pm-4:30 pm

1 stop13h 55m

Trondheim Vaernes

Sun 4/19

6:00 am-6:20 pm

2 stops21h 20m

$573

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 3/10

4:00 pm-4:35 pm

1 stop16h 35m

Trondheim Vaernes

Mon 3/16

6:15 am-6:56 pm

2 stops20h 41m

$585

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 3/10

7:20 am-9:40 am

2 stops18h 20m

Trondheim Vaernes

Mon 3/16

10:20 am-10:25 pm

2 stops20h 05m

$604

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 2/9

3:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Fri 2/13

6:15 am-11:40 am

1 stop14h 25m

$607

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 2/9

5:00 am-4:35 pm

2 stops26h 35m

Trondheim Vaernes

Fri 2/13

6:15 am-11:40 am

1 stop14h 25m

$612

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 2/9

9:25 am-4:35 pm

2 stops22h 10m

Trondheim Vaernes

Fri 2/13

6:15 am-11:40 am

1 stop14h 25m

$616

Flights are sorted by cheapest round-trip flights first.

Sorted 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 day to depart on your flight to Trondheim?

The cheapest day to depart on your flight to Trondheim is on a Sunday when prices can be found for as low as $666. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Trondheim is Monday, with ticket prices averaging around $1,554.

What is the cheapest time of day to depart on your flight to Trondheim?

According to our data, the cheapest time of day to fly to Trondheim is in the afternoon. momondo users have found flights departing from Seattle to Trondheim in the afternoon for as low as $666. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,343.

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

Direct flights	None

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 16h 30m, 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.

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.

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Cheap flights from Seattle to Trondheim from $487

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Trondheim departing on 3/11. 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

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

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 day to depart on your flight to Trondheim?

What is the cheapest time of day to depart on your flight 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.

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

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