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.

$593 Cheap Flights from Seattle to Trondheim in 2025/26

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0 bags

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Find the cheapest flights from Seattle to Trondheim

Round-trip

One-way

Cheap round-trip flights

12:00 pm - 2:30 pmSEA-TRD

41h 30m2 stops

7:45 pm - 10:16 pmTRD-SEA

34h 31m2 stops

$593Scandinavian Airlines

Find Deal

Sun, Mar 1 - Sat, Mar 21

3:05 pm - 4:35 pmSEA-TRD

16h 30m1 stop

5:15 pm - 12:35 pmTRD-SEA

27h 20m1 stop

$786KLM

Find Deal

Sun, Mar 1 - Sat, Mar 21

3:05 pm - 4:35 pmSEA-TRD

16h 30m1 stop

6:15 am - 6:10 pmTRD-SEA

19h 55m2 stops

$850Delta

Find Deal

Sun, Mar 1 - Sat, Mar 21

10:55 am - 4:20 pmSEA-TRD

20h 25m3 stops

5:30 am - 10:16 pmTRD-SEA

24h 46m2 stops

$871Scandinavian Airlines

Find Deal

Sun, Mar 1 - Sat, Mar 21

Scandinavian Airlines flights from Seattle to Trondheim

Our best Scandinavian Airlines deals on Seattle to Trondheim flight tickets

Scandinavian Airlines

Mar 1

SEA12:00 pmSeattle/Tacoma Intl

41h 30m

2 stops

TRD2:30 pmTrondheim Vaernes

Mar 21

TRD7:45 pmTrondheim Vaernes

34h 31m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$593

Find similar

Scandinavian Airlines

Mar 1

SEA10:55 amSeattle/Tacoma Intl

20h 25m

3 stops

TRD4:20 pmTrondheim Vaernes

Mar 21

TRD5:30 amTrondheim Vaernes

24h 46m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$871

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/1

12:00 pm-2:30 pm

2 stops41h 30m

Trondheim Vaernes

Sat 3/21

7:45 pm-10:16 pm

2 stops34h 31m

$593

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/1

3:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Sat 3/21

5:15 pm-12:35 pm

1 stop27h 20m

$786

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/1

3:05 pm-4:35 pm

1 stop16h 30m

Trondheim Vaernes

Sat 3/21

6:15 am-6:10 pm

2 stops19h 55m

$850

SeattleTrondheim

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 3/1

10:55 am-4:20 pm

3 stops20h 25m

Trondheim Vaernes

Sat 3/21

5:30 am-10:16 pm

2 stops24h 46m

$871

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.