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 August 2025, 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.

$515 Cheap Flights from Seattle to Tromsø in 2025

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Find the cheapest flights from Seattle to Tromsø

Round-trip

One-way

Cheap round-trip flights

6:50 pm - 9:40 amSEA-TOS

29h 50m3 stops

6:30 pm - 7:14 pmTOS-SEA

33h 44m2 stops

$515Finnair

Find Deal

Sun, Nov 2 - Thu, Nov 6

7:23 am - 6:00 pmSEA-TOS

25h 37m2 stops

6:30 pm - 7:14 pmTOS-SEA

33h 44m2 stops

$518Finnair

Find Deal

Sun, Nov 2 - Thu, Nov 6

7:10 am - 3:20 pmSEA-TOS

23h 10m2 stops

6:50 pm - 2:00 pmTOS-SEA

52h 10m2 stops

$628Scandinavian Airlines

Find Deal

Mon, Sep 29 - Fri, Oct 3

11:30 pm - 7:25 amSEA-TOS

46h 55m2 stops

8:05 am - 7:16 pmTOS-SEA

20h 11m2 stops

$746

Find Deal

Wed, Aug 13 - Tue, Aug 26

3:45 pm - 8:50 pmSEA-TOS

20h 05m3 stops

6:30 am - 8:40 pmTOS-SEA

23h 10m2 stops

$830

Find Deal

Mon, Sep 29 - Fri, Oct 3

4:00 pm - 6:20 pmSEA-TOS

17h 20m2 stops

4:00 pm - 1:50 pmTOS-SEA

30h 50m1 stop

$894Scandinavian Airlines

Find Deal

Wed, Aug 13 - Tue, Aug 26

8:00 pm - 12:30 pmSEA-TOS

55h 30m2 stops

1:30 pm - 11:06 pmTOS-SEA

42h 36m2 stops

$963British Airways

Find Deal

Sat, Dec 13 - Sat, Dec 20

8:00 pm - 12:30 pmSEA-TOS

55h 30m2 stops

1:30 pm - 12:57 amTOS-SEA

44h 27m2 stops

$964British Airways

Find Deal

Sat, Dec 13 - Sat, Dec 20

2:00 pm - 2:50 pmSEA-TOS

15h 50m1 stop

1:25 pm - 12:10 pmTOS-SEA

55h 45m2 stops

$1,397Lufthansa

Find Deal

Sat, Dec 13 - Sat, Dec 20

2:00 pm - 2:50 pmSEA-TOS

15h 50m1 stop

1:25 pm - 12:10 pmTOS-SEA

55h 45m2 stops

$1,399Lufthansa

Find Deal

Sat, Dec 13 - Sat, Dec 20

British Airways flights from Seattle to Tromsø

Our best British Airways deals on Seattle to Tromsø flight tickets

British Airways

Dec 13

SEA8:00 pmSeattle/Tacoma Intl

55h 30m

2 stops

TOS12:30 pmTromso/Langnes

Dec 20

TOS1:30 pmTromso/Langnes

42h 36m

2 stops

SEA11:06 pmSeattle/Tacoma Intl

$963

Find similar

British Airways

Dec 13

SEA8:00 pmSeattle/Tacoma Intl

55h 30m

2 stops

TOS12:30 pmTromso/Langnes

Dec 20

TOS1:30 pmTromso/Langnes

44h 27m

2 stops

SEA12:57 amSeattle/Tacoma Intl

$964

Find similar

Lufthansa flights from Seattle to Tromsø

Our best Lufthansa deals on Seattle to Tromsø flight tickets

Lufthansa

Dec 13

SEA2:00 pmSeattle/Tacoma Intl

15h 50m

1 stop

TOS2:50 pmTromso/Langnes

Dec 20

TOS1:25 pmTromso/Langnes

55h 45m

2 stops

SEA12:10 pmSeattle/Tacoma Intl

$1,397

Find similar

Lufthansa

Dec 13

SEA2:00 pmSeattle/Tacoma Intl

15h 50m

1 stop

TOS2:50 pmTromso/Langnes

Dec 20

TOS1:25 pmTromso/Langnes

55h 45m

2 stops

SEA12:10 pmSeattle/Tacoma Intl

$1,399

Find similar

Lufthansa

Dec 13

SEA2:00 pmSeattle/Tacoma Intl

15h 50m

1 stop

TOS2:50 pmTromso/Langnes

Dec 20

TOS1:25 pmTromso/Langnes

32h 55m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$1,439

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sun 11/2

6:50 pm-9:40 am

3 stops29h 50m

Tromso/Langnes

Thu 11/6

6:30 pm-7:14 pm

2 stops33h 44m

$515

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sun 11/2

7:23 am-6:00 pm

2 stops25h 37m

Tromso/Langnes

Thu 11/6

6:30 pm-7:14 pm

2 stops33h 44m

$518

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Mon 9/29

7:10 am-3:20 pm

2 stops23h 10m

Tromso/Langnes

Fri 10/3

6:50 pm-2:00 pm

2 stops52h 10m

$628

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Wed 8/13

11:30 pm-7:25 am

2 stops46h 55m

Tromso/Langnes

Tue 8/26

8:05 am-7:16 pm

2 stops20h 11m

$746

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Mon 9/29

3:45 pm-8:50 pm

3 stops20h 05m

Tromso/Langnes

Fri 10/3

6:30 am-8:40 pm

2 stops23h 10m

$830

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Wed 8/13

4:00 pm-6:20 pm

2 stops17h 20m

Tromso/Langnes

Tue 8/26

4:00 pm-1:50 pm

1 stop30h 50m

$894

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sat 12/13

8:00 pm-12:30 pm

2 stops55h 30m

Tromso/Langnes

Sat 12/20

1:30 pm-11:06 pm

2 stops42h 36m

$963

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sat 12/13

8:00 pm-12:30 pm

2 stops55h 30m

Tromso/Langnes

Sat 12/20

1:30 pm-12:57 am

2 stops44h 27m

$964

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sat 12/13

2:00 pm-2:50 pm

1 stop15h 50m

Tromso/Langnes

Sat 12/20

1:25 pm-12:10 pm

2 stops55h 45m

$1,397

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sat 12/13

2:00 pm-2:50 pm

1 stop15h 50m

Tromso/Langnes

Sat 12/20

1:25 pm-12:10 pm

2 stops55h 45m

$1,399

Flights are sorted by cheapest round-trip flights first.

Sorted 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

What is the cheapest month to fly to Tromsø?

The month of January is, on average, the cheapest month to fly to Tromsø from Seattle, with most prices found around $552. If you aren’t able to travel during the month of January, then book flights to Tromsø from Seattle during September instead. Flights to Tromsø in September, while not as cheap as those in January, still average around $564.

What is the cheapest day to depart on your flight to Tromsø?

On average, the least expensive day to fly to Tromsø from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $578. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $699.

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

Our data shows that the cheapest Seattle to Tromsø flights are usually those with departure times at noon. Our users have found flights to Tromsø at noon for as low as $575. Flights in the afternoon are often more expensive with an average ticket price of $650.

Can stopping save me money on Seattle to Tromsø flights?

You could potentially save up to 15% 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

Best Price Found	$515
Fastest flight time	14h 55m
Direct flights	None
Airports in Tromsø	1 airport

The best flight deal from Seattle to Tromsø found on momondo in the last 72 hours is $515

The fastest flight from Seattle to Tromsø takes 14h 55m

There are no direct flights from Seattle to Tromsø. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Tromso/Langnes Airport.

There is 1 airport near Tromsø: Tromso/Langnes (TOS)

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 14h 55m.
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 August 2025, 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 $568	Free Cancellation	Rating 7.3 1,460 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.