What is the cheapest airline that flies from Seattle/Tacoma Intl to Tromso/Langnes?

Finnair and Lufthansa are the most popular carriers operating from Seattle/Tacoma Intl to Tromso/Langnes

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport?

As of March 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport.

What documentation or ID do you need to fly to Tromso/Langnes Airport?

The required travel and health documents for your Tromso/Langnes 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 Tromso/Langnes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$541 Cheap Flights from Seattle to Tromsø in 2026

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Find the cheapest flights from Seattle to Tromsø

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 11:25 pm

SEA

TOS

19h 25m

2 stops

6:20 am - 8:40 pm

TOS

SEA

23h 20m

2 stops

$541Multiple Airlines

Wed, May 6 - Wed, May 13

3:55 pm - 10:20 am

SEA

TOS

33h 25m

2 stops

6:00 pm - 1:45 pm

TOS

SEA

28h 45m

3 stops

$687Scandinavian Airlines

Tue, Sep 8 - Fri, Sep 11

3:55 pm - 1:30 pm

SEA

TOS

36h 35m

2 stops

7:10 pm - 1:45 pm

TOS

SEA

27h 35m

2 stops

$688Scandinavian Airlines

Tue, Sep 8 - Fri, Sep 11

7:00 pm - 7:25 pm

SEA

TOS

15h 25m

2 stops

7:10 pm - 5:55 pm

TOS

SEA

31h 45m

2 stops

$697Multiple Airlines

Mon, Apr 20 - Mon, Apr 27

3:40 pm - 3:30 pm

SEA

TOS

14h 50m

2 stops

7:10 pm - 5:55 pm

TOS

SEA

31h 45m

2 stops

$703Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

3:40 pm - 6:40 pm

SEA

TOS

18h 00m

2 stops

7:10 pm - 5:55 pm

TOS

SEA

31h 45m

2 stops

$732Multiple Airlines

Mon, Apr 20 - Mon, Apr 27

1:30 pm - 6:40 pm

SEA

TOS

20h 10m

2 stops

2:00 pm - 11:15 am

TOS

SEA

30h 15m

2 stops

$750Air France

Tue, May 12 - Fri, May 15

3:55 pm - 1:30 pm

SEA

TOS

36h 35m

2 stops

6:00 am - 1:45 pm

TOS

SEA

40h 45m

2 stops

$765Scandinavian Airlines

Sun, Jun 14 - Mon, Jul 13

1:45 pm - 6:40 pm

SEA

TOS

19h 55m

2 stops

3:10 pm - 11:42 am

TOS

SEA

29h 32m

2 stops

$767KLM

Tue, May 12 - Fri, May 15

3:40 pm - 10:30 pm

SEA

TOS

21h 50m

2 stops

5:25 pm - 5:55 pm

TOS

SEA

33h 30m

3 stops

$775Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

Lufthansa flights from Seattle to Tromsø

Our best Lufthansa deals on Seattle to Tromsø flight tickets

Lufthansa

May 6

SEA7:20 pmSeattle/Tacoma Intl

34h 05m

2 stops

TOS2:25 pmTromso/Langnes

May 13

TOS3:20 pmTromso/Langnes

30h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$906

Lufthansa

May 12

SEA2:55 pmSeattle/Tacoma Intl

38h 35m

2 stops

TOS2:30 pmTromso/Langnes

May 15

TOS3:15 pmTromso/Langnes

30h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$981

Lufthansa

May 12

SEA2:10 pmSeattle/Tacoma Intl

15h 20m

1 stop

TOS2:30 pmTromso/Langnes

May 15

TOS3:15 pmTromso/Langnes

30h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$983

Scandinavian Airlines flights from Seattle to Tromsø

Our best Scandinavian Airlines deals on Seattle to Tromsø flight tickets

Scandinavian Airlines

Sep 8

SEA3:55 pmSeattle/Tacoma Intl

33h 25m

2 stops

TOS10:20 amTromso/Langnes

Sep 11

TOS6:00 pmTromso/Langnes

28h 45m

3 stops

SEA1:45 pmSeattle/Tacoma Intl

$687

Scandinavian Airlines

Sep 8

SEA3:55 pmSeattle/Tacoma Intl

36h 35m

2 stops

TOS1:30 pmTromso/Langnes

Sep 11

TOS7:10 pmTromso/Langnes

27h 35m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$688

Scandinavian Airlines

Jun 14

SEA3:55 pmSeattle/Tacoma Intl

36h 35m

2 stops

TOS1:30 pmTromso/Langnes

Jul 13

TOS6:00 amTromso/Langnes

40h 45m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$765

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Wed 5/6

7:00 pm-11:25 pm

2 stops19h 25m

Tromso/Langnes

Wed 5/13

6:20 am-8:40 pm

2 stops23h 20m

$541

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-10:20 am

2 stops33h 25m

Tromso/Langnes

Fri 9/11

6:00 pm-1:45 pm

3 stops28h 45m

$687

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-1:30 pm

2 stops36h 35m

Tromso/Langnes

Fri 9/11

7:10 pm-1:45 pm

2 stops27h 35m

$688

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Mon 4/20

7:00 pm-7:25 pm

2 stops15h 25m

Tromso/Langnes

Mon 4/27

7:10 pm-5:55 pm

2 stops31h 45m

$697

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Tue 4/21

3:40 pm-3:30 pm

2 stops14h 50m

Tromso/Langnes

Tue 4/28

7:10 pm-5:55 pm

2 stops31h 45m

$703

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Mon 4/20

3:40 pm-6:40 pm

2 stops18h 00m

Tromso/Langnes

Mon 4/27

7:10 pm-5:55 pm

2 stops31h 45m

$732

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Tue 5/12

1:30 pm-6:40 pm

2 stops20h 10m

Tromso/Langnes

Fri 5/15

2:00 pm-11:15 am

2 stops30h 15m

$750

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sun 6/14

3:55 pm-1:30 pm

2 stops36h 35m

Tromso/Langnes

Mon 7/13

6:00 am-1:45 pm

2 stops40h 45m

$765

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Tue 5/12

1:45 pm-6:40 pm

2 stops19h 55m

Tromso/Langnes

Fri 5/15

3:10 pm-11:42 am

2 stops29h 32m

$767

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Tue 4/21

3:40 pm-10:30 pm

2 stops21h 50m

Tromso/Langnes

Tue 4/28

5:25 pm-5:55 pm

3 stops33h 30m

$775

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 Tromsø

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

What is the cheapest month to fly to Tromsø?

The month of February is, on average, the cheapest month to fly to Tromsø from Seattle, with most prices found around $522. If you aren’t able to travel during the month of February, then book flights to Tromsø from Seattle during October instead. Flights to Tromsø in October, while not as cheap as those in February, still average around $552.

Can stopping save me money on Seattle to Tromsø flights?

You could potentially save up to 53% on your flight if you consider stops on a Seattle to Tromsø flight.

When to book flights from Seattle to Tromsø

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Tromsø according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Tromsø (SEA to TOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Tromsø

Fastest flight time	13h 25m
Direct flights	None

The fastest flight from Seattle to Tromsø takes 13h 25m

There are no direct flights from Seattle to Tromsø. There are no popular flight routes from Seattle to Tromsø.

Search flight deals

How far is Seattle/Tacoma Intl to Tromso/Langnes by plane?
Tromso/Langnes is 4098.9 mi away from Seattle/Tacoma Intl. By plane, this route typically takes 13h 25m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport?
As of March 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Tromso/Langnes Airport.
What documentation or ID do you need to fly to Tromso/Langnes Airport?
The required travel and health documents for your Tromso/Langnes 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 Tromso/Langnes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Seattle to Tromsø?
momondo data reveals that the most frequently booked airline on the route from Seattle to Tromsø is Scandinavian Airlines, representing 100% of all bookings.

Best airlines flying from Seattle to Tromsø

Compare and see reviews for airlines that fly from Seattle to Tromsø with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.3 1,725 reviews		Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Tromsø?

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 Tromsø for you.

Can I find flights from Seattle to Tromsø with flexible booking policies on momondo?

Yes. All flights to Tromsø from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Tromsø?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tromsø from Seattle.

I’m not ready to book a flight from Seattle to Tromsø right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Tromsø, momondo offers a useful price alert feature which will track prices for flights to Tromsø from Seattle and alert you when they change.