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 November 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.

$500 Cheap Flights from Seattle to Tromsø in 2025/26

Q: What is the typical price of a round-trip flight between Seattle and Tromsø?

Prices are currently low for flights on this route. Typical prices usually range from $520 to $691. The lowest price recently found on this route was $500.

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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.

2:35 pm - 9:55 pmSEA-TOS

22h 20m2 stops

8:15 am - 5:00 pmTOS-SEA

17h 45m2 stops

$500Multiple Airlines

Find Deal

Sun, Jan 11 - Sat, Jan 17

7:10 am - 11:15 amSEA-TOS

19h 05m2 stops

6:00 am - 6:58 pmTOS-SEA

21h 58m3 stops

$513Scandinavian Airlines

Find Deal

Fri, Jan 23 - Mon, Feb 2

7:10 am - 10:45 amSEA-TOS

18h 35m2 stops

8:15 pm - 10:25 pmTOS-SEA

35h 10m2 stops

$517Scandinavian Airlines

Find Deal

Sat, Jan 10 - Fri, Jan 16

2:35 pm - 4:55 pmSEA-TOS

17h 20m2 stops

8:15 am - 5:00 pmTOS-SEA

17h 45m2 stops

$519Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

4:45 pm - 1:50 pmSEA-TOS

36h 05m2 stops

2:50 pm - 1:25 pmTOS-SEA

31h 35m1 stop

$550Delta

Find Deal

Sun, Jan 11 - Sat, Jan 17

8:35 am - 6:00 pmSEA-TOS

24h 25m2 stops

10:35 am - 11:59 pmTOS-SEA

22h 24m3 stops

$554Finnair

Find Deal

Thu, Jan 15 - Thu, Jan 22

9:52 am - 6:00 pmSEA-TOS

23h 08m2 stops

6:30 pm - 8:45 pmTOS-SEA

35h 15m2 stops

$556Finnair

Find Deal

Thu, Jan 15 - Thu, Jan 22

4:45 pm - 1:50 pmSEA-TOS

36h 05m2 stops

2:50 pm - 10:25 pmTOS-SEA

40h 35m2 stops

$560Delta

Find Deal

Sun, Jan 11 - Sat, Jan 17

3:10 pm - 5:25 pmSEA-TOS

41h 15m2 stops

1:20 pm - 1:20 pmTOS-SEA

33h 00m1 stop

$637Lufthansa

Find Deal

Fri, Jan 9 - Sat, Jan 17

2:00 pm - 2:15 pmSEA-TOS

39h 15m2 stops

1:20 pm - 1:20 pmTOS-SEA

33h 00m1 stop

$650Lufthansa

Find Deal

Sat, Jan 10 - Sat, Jan 17

Scandinavian Airlines flights from Seattle to Tromsø

Our best Scandinavian Airlines deals on Seattle to Tromsø flight tickets

Scandinavian Airlines

Jan 23

SEA7:10 amSeattle/Tacoma Intl

19h 05m

2 stops

TOS11:15 amTromso/Langnes

Feb 2

TOS6:00 amTromso/Langnes

21h 58m

3 stops

SEA6:58 pmSeattle/Tacoma Intl

$513

Find similar

Scandinavian Airlines

Jan 10

SEA7:10 amSeattle/Tacoma Intl

18h 35m

2 stops

TOS10:45 amTromso/Langnes

Jan 16

TOS8:15 pmTromso/Langnes

35h 10m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$517

Find similar

Scandinavian Airlines

Jan 9

SEA7:10 amSeattle/Tacoma Intl

19h 05m

2 stops

TOS11:15 amTromso/Langnes

Jan 16

TOS8:15 pmTromso/Langnes

33h 33m

2 stops

SEA8:48 pmSeattle/Tacoma Intl

$521

Find similar

Finnair flights from Seattle to Tromsø

Our best Finnair deals on Seattle to Tromsø flight tickets

Finnair

Jan 15

SEA8:35 amSeattle/Tacoma Intl

24h 25m

2 stops

TOS6:00 pmTromso/Langnes

Jan 22

TOS10:35 amTromso/Langnes

22h 24m

3 stops

SEA11:59 pmSeattle/Tacoma Intl

$554

Find similar

Finnair

Jan 15

SEA9:52 amSeattle/Tacoma Intl

23h 08m

2 stops

TOS6:00 pmTromso/Langnes

Jan 22

TOS6:30 pmTromso/Langnes

35h 15m

2 stops

SEA8:45 pmSeattle/Tacoma Intl

$556

Find similar

Finnair

Jan 15

SEA6:50 pmSeattle/Tacoma Intl

29h 35m

3 stops

TOS9:25 amTromso/Langnes

Jan 22

TOS10:35 amTromso/Langnes

22h 24m

3 stops

SEA11:59 pmSeattle/Tacoma Intl

$677

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sun 1/11

2:35 pm-9:55 pm

2 stops22h 20m

Tromso/Langnes

Sat 1/17

8:15 am-5:00 pm

2 stops17h 45m

$500

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Fri 1/23

7:10 am-11:15 am

2 stops19h 05m

Tromso/Langnes

Mon 2/2

6:00 am-6:58 pm

3 stops21h 58m

$513

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sat 1/10

7:10 am-10:45 am

2 stops18h 35m

Tromso/Langnes

Fri 1/16

8:15 pm-10:25 pm

2 stops35h 10m

$517

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Mon 1/12

2:35 pm-4:55 pm

2 stops17h 20m

Tromso/Langnes

Mon 1/19

8:15 am-5:00 pm

2 stops17h 45m

$519

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sun 1/11

4:45 pm-1:50 pm

2 stops36h 05m

Tromso/Langnes

Sat 1/17

2:50 pm-1:25 pm

1 stop31h 35m

$550

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Thu 1/15

8:35 am-6:00 pm

2 stops24h 25m

Tromso/Langnes

Thu 1/22

10:35 am-11:59 pm

3 stops22h 24m

$554

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Thu 1/15

9:52 am-6:00 pm

2 stops23h 08m

Tromso/Langnes

Thu 1/22

6:30 pm-8:45 pm

2 stops35h 15m

$556

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sun 1/11

4:45 pm-1:50 pm

2 stops36h 05m

Tromso/Langnes

Sat 1/17

2:50 pm-10:25 pm

2 stops40h 35m

$560

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Fri 1/9

3:10 pm-5:25 pm

2 stops41h 15m

Tromso/Langnes

Sat 1/17

1:20 pm-1:20 pm

1 stop33h 00m

$637

SeattleTromsø

SEA - TOS

SEATOS

Seattle/Tacoma Intl

Sat 1/10

2:00 pm-2:15 pm

2 stops39h 15m

Tromso/Langnes

Sat 1/17

1:20 pm-1:20 pm

1 stop33h 00m

$650

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 typical price of a round-trip flight between Seattle and Tromsø?

What is the cheapest month to fly to Tromsø?

The month of October 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 October, then book flights to Tromsø from Seattle during November instead. Flights to Tromsø in November, while not as cheap as those in October, still average around $552.

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

Direct flights	None

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 15h 50m.
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 November 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 $522	Free Cancellation	Rating 7.4 1,556 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.