Cheap flights from Seattle to Tromsø from $553
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Tromsø departing on 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights
Scandinavian Airlines flights from Seattle to Tromsø
Our best Scandinavian Airlines deals on Seattle to Tromsø flight tickets
Finnair flights from Seattle to Tromsø
Our best Finnair deals on Seattle to Tromsø flight tickets
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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 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.
When to book flights from Seattle to Tromsø
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
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 20m.
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 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 | ||
|---|---|---|---|---|---|
| PriceFrom $575 | Free Cancellation | Rating 7.3 1,325 reviews |
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.