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) - 60% of one-stop connections • Frankfurt am Main (FRA) - 40% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

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

Yes. Being flexible with your travel dates can save you up to 41% on the Seattle to Tromsø route. Monday is the cheapest departure day at $762 round-trip on average, while Friday is the most expensive at $1,285, a difference of $523. 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 0h 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 $638 to $2,907. That means the highest observed fare was about 5x 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 higher than usual. Average one-way flight prices are about $696, which is 18% above 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 9 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 starting from around $8 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 $698 to $1,074, with an average of $867 over the past 12 months. Anything below $698 counts as a good deal.

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

Scandinavian Airlines ($638) offered the cheapest round-trip ticket from Seattle to Tromsø in the last 5 days.

What is 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. 60% 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 $668. 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 435 minutes over the past 3 months.

$327 CHEAP FLIGHTS from Seattle to Tromsø (SEA - TOS)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$638

Typical prices: $698-$1,074

Scandinavian Airlines

Thu 10/4Fri 10/19

SEA - TOS • 2 stops

Cheapest one-way

$327

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

January

Cheapest • 33% price drop

January

Most popular

Good to know

Top layover airports

Reykjavik Keflavik Intl (KEF)

Cheapest • Avg $668 (round-trip)

Frankfurt am Main (FRA)

Shortest trip • 22h 39m (one-way)

Insights

Start a new search

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