Which airports can I use when flying from Seattle to Tromsø?

Flights from Seattle to Tromsø usually depart from Seattle/Tacoma Intl (SEA) and arrive at Tromso/Langnes (TOS).

What cabin classes can I book on flights from Seattle to Tromsø?

Two cabin classes are available on flights from Seattle to Tromsø: • Economy Class • Business Class

Which airports do connecting flights from Seattle to Tromsø pass through?

Connecting flights from Seattle to Tromsø most commonly pass through: • Reykjavik Keflavik Intl (KEF) - 64% of one-stop connections • Frankfurt am Main (FRA) - 36% of one-stop connections

Can I save money by using flexible dates for flights from Seattle to Tromsø?

Yes. Flexible dates can save you up to 47% on flights from Seattle to Tromsø. Wednesday is the cheapest departure day at $687 round-trip on average, while Friday is the most expensive at $1,293, a difference of $606. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Seattle to Tromsø?

A nonstop flight from Seattle to Tromsø takes 00m, covering 4,107 miles.

Do I need a passport to fly from Seattle to Tromsø?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Seattle to Tromsø changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $515 to $3,007. That means the highest observed fare was about 6x higher than the lowest one.

How are flight prices from Seattle to Tromsø looking right now?

One-way fares from Seattle to Tromsø are currently lower than usual. Average one-way flight prices are about $432, which is 27% below the typical average for this route.

How much time can I save by choosing a different layover airport from Seattle to Tromsø?

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 12h 40m, compared with 22h 39m via Frankfurt am Main (FRA).

What is the time difference between Seattle and Tromsø?

Tromsø is 8 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Tromso/Langnes Airport (TOS)?

Tromso/Langnes Airport (TOS) hosts 5 major car rental companies, with daily rates averaging $99 for economy cars. Top options include: • Hertz • Alamo • Sixt • Thrifty • Enterprise Rent-A-Car

How much should I expect to pay for a Seattle to Tromsø flight?

Round-trip flights from Seattle to Tromsø range from $687 to $981, with an average of $861 over the past 12 months. Anything below $687 counts as a good deal.

How much is a round-trip flight from Seattle to Tromsø?

Round-trip flights from Seattle to Tromsø typically range from $687 to $981. The lowest price found in the past 5 days was $515, on Icelandair.

What's the cheapest day of the week to fly from Seattle to Tromsø?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to Tromsø. It’s 21% cheaper than the average day, while Friday is the most expensive, with prices 50% higher.

Which airline is the cheapest to fly from Seattle to Tromsø?

Icelandair ($515) and Scandinavian Airlines ($701) are the cheapest airlines to fly round-trip from Seattle to Tromsø according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Seattle to Tromsø?

Reykjavik Keflavik Intl (KEF) is the most popular layover for the Seattle to Tromsø route. 64% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via KEF.

What is the cheapest layover airport when flying from Seattle to Tromsø?

Flights via Reykjavik Keflavik Intl (KEF) offer the most affordable fares, with an average round-trip price of $658. Based on KAYAK data over the past 3 months.

When flying from Seattle to Tromsø which airport offers the shortest layover?

Reykjavik Keflavik Intl (KEF) had the shortest average connection time for Seattle to Tromsø layovers at 7h 15m over the past 3 months.

$432 CHEAP FLIGHTS from Seattle to Tromsø (SEA - TOS)

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Cheapest round-trip

$515

Typical prices: $687-$981

Icelandair

Mon 12/10Tue 12/18

SEA - TOS • 1 stop

Cheapest one-way

$331

Typical prices: $399-$659

Icelandair

Sun 3/11

SEA - TOS • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Seattle and Tromsø. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

February

Cheapest • 22% price drop

January

Most popular

Good to know

Top layover airports

Reykjavik Keflavik Intl (KEF)

Cheapest • Avg $658 (round-trip)

Frankfurt am Main (FRA)

Shortest trip • 22h 39m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Tromsø!

Flight Deals

Cheap Flights from Seattle to Tromsø (SEA-TOS)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Seattle to Tromsø

Thu, Dec 10 - Fri, Dec 18

2:35 pm - 11:20 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

11h 45m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:00 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

13h 45m1 stop Reykjavik Keflavik Intl

$515Icelandair

Thu, Jan 21 - Mon, Jan 25

2:35 pm - 11:20 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

11h 45m1 stop Reykjavik Keflavik Intl

1:05 pm - 5:00 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

12h 55m1 stop Reykjavik Keflavik Intl

$554Icelandair

Mon, Feb 1 - Thu, Feb 4

7:15 am - 11:25 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

43h 10m2 stops Chicago O'Hare Intl Kastrup Copenhagen

7:50 pm - 11:20 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

36h 30m2 stops Kastrup Copenhagen San Francisco

$701Scandinavian Airlines

Mon, Jan 18 - Thu, Jan 28

7:15 am - 11:25 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

43h 10m2 stops Chicago O'Hare Intl Kastrup Copenhagen

7:50 pm - 10:05 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

35h 15m2 stops Kastrup Copenhagen Los Angeles

$702Scandinavian Airlines

Wed, Jan 20 - Thu, Jan 28

2:40 pm - 11:20 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

35h 40m2 stops Los Angeles Kastrup Copenhagen

7:50 pm - 10:05 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

35h 15m2 stops Kastrup Copenhagen Los Angeles

$702Scandinavian Airlines

Fri, Jan 22 - Thu, Jan 28

7:15 am - 10:50 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

42h 35m2 stops San Francisco Kastrup Copenhagen

7:50 pm - 10:05 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

35h 15m2 stops Kastrup Copenhagen Los Angeles

$702Scandinavian Airlines

Mon, Jan 18 - Sun, Jan 24

12:08 pm - 11:25 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

38h 17m2 stops Los Angeles Kastrup Copenhagen

8:05 pm - 11:20 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

36h 15m2 stops Kastrup Copenhagen San Francisco

$702Scandinavian Airlines

Fri, Jan 22 - Sun, Jan 24

9:45 am - 10:50 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

40h 05m2 stops San Francisco Kastrup Copenhagen

8:05 pm - 11:20 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

36h 15m2 stops Kastrup Copenhagen San Francisco

$702Scandinavian Airlines

Wed, Jan 20 - Sun, Jan 24

2:40 pm - 11:20 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

35h 40m2 stops Los Angeles Kastrup Copenhagen

8:05 pm - 7:05 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

32h 00m2 stops Kastrup Copenhagen San Francisco

$702Scandinavian Airlines

Thu, Jan 21 - Thu, Jan 28

2:40 pm - 11:15 amSEA Seattle/Tacoma Intl-TOS Tromso/Langnes

35h 35m2 stops Los Angeles Kastrup Copenhagen

7:50 pm - 10:05 pmTOS Tromso/Langnes-SEA Seattle/Tacoma Intl

35h 15m2 stops Kastrup Copenhagen Los Angeles

$702Scandinavian Airlines

Booking Insights

Price, demand and travel trends for Seattle to Tromsø flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Seattle to Tromsø? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Tromsø departing in december.
What's the cheapest day of the week to fly from Seattle to Tromsø?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to Tromsø. It’s 21% cheaper than the average day, while Friday is the most expensive, with prices 50% higher.

Find deals

Low season	September
High season	January
Cheapest flight	$331

Beat the crowds with an average 94% drop in travelers.

The most popular month to fly with an average 55% increase in travelers.

One-way flight from Seattle to Tromsø

When to book flights from Seattle to Tromsø

Are your dates flexible? Find out the best times to travel from Seattle to Tromsø based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Seattle to Tromsø?
Two cabin classes are available on flights from Seattle to Tromsø:

• Economy Class
• Business Class
How long is a flight from Seattle to Tromsø?
A nonstop flight from Seattle to Tromsø takes 00m, covering 4,107 miles.
Do I need a passport to fly from Seattle to Tromsø?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Seattle to Tromsø flight?
Round-trip flights from Seattle to Tromsø range from $687 to $981, with an average of $861 over the past 12 months. Anything below $687 counts as a good deal.
Have flight prices from Seattle to Tromsø changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $515 to $3,007. That means the highest observed fare was about 6x higher than the lowest one.
How are flight prices from Seattle to Tromsø looking right now?
One-way fares from Seattle to Tromsø are currently lower than usual. Average one-way flight prices are about $432, which is 27% below the typical average for this route.
What car rental options are available at Tromso/Langnes Airport (TOS)?
Tromso/Langnes Airport (TOS) hosts 5 major car rental companies, with daily rates averaging $99 for economy cars. Top options include:

• Hertz
• Alamo
• Sixt
• Thrifty
• Enterprise Rent-A-Car
Which airports can I use when flying from Seattle to Tromsø?
Flights from Seattle to Tromsø usually depart from Seattle/Tacoma Intl (SEA) and arrive at Tromso/Langnes (TOS).
Which airports do connecting flights from Seattle to Tromsø pass through?
Connecting flights from Seattle to Tromsø most commonly pass through:

• Reykjavik Keflavik Intl (KEF) - 64% of one-stop connections
• Frankfurt am Main (FRA) - 36% of one-stop connections
Can I save money by using flexible dates for flights from Seattle to Tromsø?
Yes. Flexible dates can save you up to 47% on flights from Seattle to Tromsø. Wednesday is the cheapest departure day at $687 round-trip on average, while Friday is the most expensive at $1,293, a difference of $606.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Seattle to Tromsø?
Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 12h 40m, compared with 22h 39m via Frankfurt am Main (FRA).
What is the time difference between Seattle and Tromsø?
Tromsø is 8 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $687, about $606 less than Friday fares (47% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Tromsø trip for February. Fares historically average $668 round-trip in that month - typically $625 less than the most expensive month, which is April (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Tromso/Langnes Airport.

• Moxy Tromso
• Pingvinhotellet Unn Tromsø

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SEA - TOS

$432 Find Cheap Flights from Seattle to Tromsø - Compare and Save

Everything you should know

Cheap Flights from Seattle to Tromsø (SEA-TOS)

Recent round-trip flight deals from Seattle to Tromsø

Recent one-way flight deals from Seattle to Tromsø

Recent last minute flight deals from Seattle to Tromsø

Price, demand and travel trends for Seattle to Tromsø flights

How much is a round-trip flight from Seattle to Tromsø?

What's the cheapest day of the week to fly from Seattle to Tromsø?

Which airline is the cheapest to fly from Seattle to Tromsø?

What’s the most popular layover airport when flying from Seattle to Tromsø?

What is the cheapest layover airport when flying from Seattle to Tromsø?

When flying from Seattle to Tromsø which airport offers the shortest layover?

Key details for Seattle to Tromsø flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Tromsø

Your Seattle to Tromsø flight questions, answered

Your guide to booking Seattle to Tromsø flights

More options for your flight from Seattle to Tromsø

Complete your trip to Tromsø with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Tromsø

Find direct flights to and from Seattle and Tromsø

Flights from domestic origins to Tromsø

Flights to other popular destinations