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CA $385 Cheap Flights from Seattle (SEA) to Tromsø (TOS)

View CA $385 flight on Thu, Nov 5, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Tromsø (TOS-Langnes)

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Cheap flights from Seattle (SEA) to Tromsø (TOS)

Prices were available within the past 7 days and start at CA $385 for one-way flights and CA $671 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, Nov 1 - Fri, Nov 13
SEA
Seattle
TOS
Tromsø
CA $671 Roundtrip, found 6 days ago
CA $671
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Nov 1 from Seattle to Tromsø, returning Fri, Nov 13, priced at CA $671 found 6 days ago
Icelandair
Thu, Nov 5 - Fri, Nov 13
SEA
Seattle
TOS
Tromsø
CA $672 Roundtrip, found 4 days ago
CA $672
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Nov 5 from Seattle to Tromsø, returning Fri, Nov 13, priced at CA $672 found 4 days ago
Icelandair
Sun, Nov 1 - Mon, Nov 16
SEA
Seattle
TOS
Tromsø
CA $729 Roundtrip, found 6 days ago
CA $729
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Nov 1 from Seattle to Tromsø, returning Mon, Nov 16, priced at CA $729 found 6 days ago
Icelandair
Thu, Oct 29 - Fri, Nov 13
SEA
Seattle
TOS
Tromsø
CA $834 Roundtrip, found 6 days ago
CA $834
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Oct 29 from Seattle to Tromsø, returning Fri, Nov 13, priced at CA $834 found 6 days ago
Icelandair
Sun, Nov 1 - Fri, Nov 13
SEA
Seattle
TOS
Tromsø
CA $841 Roundtrip, found 6 days ago
CA $841
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Nov 1 from Seattle to Tromsø, returning Fri, Nov 13, priced at CA $841 found 6 days ago
Icelandair
Thu, Oct 29 - Mon, Nov 16
SEA
Seattle
TOS
Tromsø
CA $893 Roundtrip, found 6 days ago
CA $893
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Oct 29 from Seattle to Tromsø, returning Mon, Nov 16, priced at CA $893 found 6 days ago
Scandinavian Airlines
Tue, Sep 1 - Sun, Sep 13
SEA
Seattle
TOS
Tromsø
CA $1,020 Roundtrip, found 17 hours ago
CA $1,020
Roundtrip
found 17 hours ago
Select Scandinavian Airlines flight, departing Tue, Sep 1 from Seattle to Tromsø, returning Sun, Sep 13, priced at CA $1,020 found 17 hours ago
KLM
Tue, Nov 3 - Thu, Nov 12
SEA
Seattle
TOS
Tromsø
CA $1,023 Roundtrip, found 6 days ago
CA $1,023
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Nov 3 from Seattle to Tromsø, returning Thu, Nov 12, priced at CA $1,023 found 6 days ago
Finnair
Thu, Nov 5 - Mon, Nov 9
SEA
Seattle
TOS
Tromsø
CA $1,084 Roundtrip, found 4 days ago
CA $1,084
Roundtrip
found 4 days ago
Select Finnair flight, departing Thu, Nov 5 from Seattle to Tromsø, returning Mon, Nov 9, priced at CA $1,084 found 4 days ago
Alaska Airlines
Sat, Nov 7 - Mon, Nov 23
SEA
Seattle
TOS
Tromsø
CA $1,099 Roundtrip, found 5 days ago
CA $1,099
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Seattle to Tromsø, returning Mon, Nov 23, priced at CA $1,099 found 5 days ago

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) cost?
You can find one-way and return flights from SEA to TOS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to TOS ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
The cheapest months to fly from SEA to TOS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
Enter SEA to TOS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
Turkish Airlines is one of the cheapest airlines offering connecting return flights from Seattle - Tacoma Intl. (SEA) to Langnes (TOS), with prices starting from around CA$1410 for flights that can be booked for departure within the next year, with a layover in Istanbul Airport (IST). These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
There are approximately 27 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Langnes (TOS). Some common connection points include Frankfurt Intl. (FRA), Kastrup (CPH), and Keflavik Intl. (KEF).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Langnes (TOS) typically departs around 12:10 AM local time. This flight is operated by American Airlines and Aer Lingus. This is a seasonal service, active only in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
You'll typically find the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) on a Saturday, with around 63 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, Delta, and American Airlines. Looking at the week, Saturday offers notably more flight options compared to other days, so if you're looking for the most choices, that's a great day to consider.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Langnes (TOS) are in the afternoon, from 3pm to 6pm. Many major carriers, including Finnair, SAS and Delta, offer flights during this window. Many travelers prefer this because it allows for a full day of activities before heading to the airport, and you'll arrive at your destination in the evening.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to Langnes (TOS), which is a distance of approximately 6,616 kilometres. If you're looking for the quickest way to get there, flights with one stop typically take around 15 hours 18 minutes. Flights with two or more stops will take longer, usually around 22 hours 30 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific route, layover times, and even weather conditions.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
Yes, you can fly business class or first class between SEA and TOS. Airlines that offer business class service on this route include:
  • Lufthansa
  • Air France
  • SAS
  • Icelandair
  • Aer Lingus
  • Delta
  • British Airways
  • Air Canada
  • United
First class cabins are available on United.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tromsø (TOS) from Seattle, WA (SEA)?
If you're planning to travel to Tromso from Seattle - Tacoma Intl. (SEA), you can fly directly into Langnes (TOS) which offers international flights and connections. Some flights may connect through major hubs like O'Hare Intl. (ORD), Heathrow (LHR), or Frankfurt Intl. (FRA) before reaching Tromso. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tromsø (TOS-Langnes) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Langnes
Airlines serving
Air France, Finnair, KLM, Lufthansa, Scandinavian Airlines
Roundtrip price
CA $670
Distance
6576 km

Book with confidence

Seattle to Tromsø Flights

The easy way to book your flights from Seattle to Tromsø 

With Expedia, it’s simple to find and book flights to Tromsø from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Langnes, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Tromsø today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Langnes, TOS 

Sort your search results by price to find great deals on your flight from Seattle to Tromsø—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Tromsø from Seattle currently is just CA $671 rising to CA $1,099.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Tromsø  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Tromsø from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Tromsø with Expedia today.

Seattle to Tromsø Flights

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