Trip.com
>
Flights
>
Flights to Norway
>
Flights to Troms
>
Flights to Tromso
Hotels in Tromso
>
Flights from Seattle to Tromso

Find flight deals from Seattle to Tromso for the next 3 months. Book one way flights from $512 or round trip flights from $1,075.

      • SEA 3:55 PM
        34h 25m
        1 stop
        TOS 11:20 AM
        Seattle - Tromso | Sat, Aug 8 | Scandinavian Airlines
        TOS 3:00 PM
        31h 45m
        1 stop
        SEA 1:45 PM
        Tromso - Seattle | Fri, Aug 14 | Scandinavian Airlines
        $1,075 $2,103
        49% off
        49% off
        $2,103 $1,075
      • SEA 2:10 PM
        15h 20m
        1 stop
        TOS 2:30 PM
        Seattle - Tromso | Wed, Jul 29 | Lufthansa
        TOS 3:20 PM
        29h 35m
        1 stop
        SEA 11:55 AM
        Tromso - Seattle | Tue, Aug 4 | Lufthansa
        $1,153 $2,103
        45% off
        45% off
        $2,103 $1,153
      • SEA 2:10 PM
        15h 20m
        1 stop
        TOS 2:30 PM
        Seattle - Tromso | Tue, Aug 4 | Lufthansa
        TOS 3:20 PM
        29h 35m
        1 stop
        SEA 11:55 AM
        Tromso - Seattle | Tue, Aug 11 | Lufthansa
        $1,177 $2,103
        44% off
        44% off
        $2,103 $1,177
      • SEA 2:10 PM
        15h 15m
        1 stop
        TOS 2:25 PM
        Seattle - Tromso | Thu, Jul 23 | Lufthansa
        TOS 2:55 PM
        35h 4m
        1 stop
        SEA 4:59 PM
        Tromso - Seattle | Wed, Jul 29 | Lufthansa
        $1,220
        42% off
        $2,103 $1,220
      • SEA 2:10 PM
        15h 20m
        1 stop
        TOS 2:30 PM
        Seattle - Tromso | Wed, Sep 2 | Lufthansa
        TOS 3:20 PM
        29h 35m
        1 stop
        SEA 11:55 AM
        Tromso - Seattle | Wed, Sep 9 | Lufthansa
        $1,280
        39% off
        $2,103 $1,280
      • SEA 2:10 PM
        15h 20m
        1 stop
        TOS 2:30 PM
        Seattle - Tromso | Fri, Aug 7 | Lufthansa
        TOS 3:20 PM
        29h 35m
        1 stop
        SEA 11:55 AM
        Tromso - Seattle | Thu, Aug 13 | Lufthansa
        $1,282
        39% off
        $2,103 $1,282
      • SEA 2:10 PM
        15h 20m
        1 stop
        TOS 2:30 PM
        Seattle - Tromso | Fri, Jul 24 | Lufthansa
        TOS 4:30 PM
        33h 29m
        1 stop
        SEA 4:59 PM
        Tromso - Seattle | Sat, Aug 1 | Lufthansa
        $1,311
        38% off
        $2,103 $1,311
      • SEA 2:10 PM
        15h 25m
        1 stop
        TOS 2:35 PM
        Seattle - Tromso | Sat, Aug 1 | Lufthansa
        TOS 4:30 PM
        33h 29m
        1 stop
        SEA 4:59 PM
        Tromso - Seattle | Sat, Aug 8 | Lufthansa
        $1,619
        23% off
        $2,103 $1,619
      • SEA 1:00 PM
        17h 25m
        1 stop
        TOS 2:00 PM
        Seattle - Tromso | Thu, Jul 23 | Normal Airline
        TOS 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Tromso - Seattle | Sat, Jul 25 | Normal Airline
        Find more flights
        Find more flights
      • SEA 2:10 PM
        16h
        1 stop
        TOS 3:10 PM
        Seattle - Tromso | Mon, Aug 31 | Lufthansa
        $512 $3,468
        85% off
        85% off
        $3,468 $512
      • SEA 2:10 PM
        16h
        1 stop
        TOS 3:10 PM
        Seattle - Tromso | Mon, Aug 17 | Lufthansa
        $687 $3,468
        80% off
        80% off
        $3,468 $687
      • SEA 2:10 PM
        15h 20m
        1 stop
        TOS 2:30 PM
        Seattle - Tromso | Tue, Aug 4 | Lufthansa
        $708 $3,468
        80% off
        80% off
        $3,468 $708
      • SEA 5:40 PM
        31h 25m
        1 stop
        TOS 10:05 AM
        Seattle - Tromso | Tue, Aug 4 | American Airlines
        $798
        77% off
        $3,468 $798
      • SEA 5:40 PM
        31h 10m
        1 stop
        TOS 9:50 AM
        Seattle - Tromso | Thu, Jul 23 | Iberia
        $828
        76% off
        $3,468 $828
      • SEA 5:40 PM
        31h 25m
        1 stop
        TOS 10:05 AM
        Seattle - Tromso | Tue, Aug 4 | Iberia
        $836
        76% off
        $3,468 $836
      • SEA 3:55 PM
        19h 10m
        1 stop
        TOS 8:05 PM
        Seattle - Tromso | Thu, Jul 23 | Scandinavian Airlines
        $2,530
        27% off
        $3,468 $2,530
      • SEA 3:55 PM
        18h
        1 stop
        TOS 6:55 PM
        Seattle - Tromso | Tue, Aug 4 | Scandinavian Airlines
        $2,670
        23% off
        $3,468 $2,670
      • SEA 1:00 PM
        17h 25m
        1 stop
        TOS 2:00 PM
        Seattle - Tromso | Thu, Jul 23 | Normal Airline
        Find more flights
        Find more flights

Find cheap airlines flights from Seattle to Tromso

You can choose from 1 airlines that fly from Seattle to Tromso, including Icelandair, Lufthansa has lowest fares on this route.
Icelandair logo Icelandair
Airlines are determined based on actual purchased flight tickets from Seattle to Tromso according to previous 12 months data from Trip.com.

Flight Info | Seattle to Tromso

The distance between Seattle and Tromso is approximately 6,613.98 km. Based on Trip.com's data travel demand peaks in August. The off-season for travel is December.

Cheapest one-way flight price $512
Cheapest round-trip ticket price $1,075
Off-season for travel December
Peak season for travel August
Flight distance 6,613.98 km
Popular airline Icelandair
Flight statistics for the Seattle–Tromso route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Tromso (SEA-TOS)?

    Based on Trip.com data, Lufthansa offers one-way fares as low as $512 on Cheapest nonstop routes (e.g. SEA to TOS on Mon, Aug 31), while Scandinavian Airlines offers Cheapest nonstop round-trips from $1,075 departing on Sat, Aug 8 and returning on Fri, Aug 14.
  • At the moment, you can catch a nonstop flight from Seattle to Tromso with the following airlines, including: Icelandair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Tromso is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seattle to Tromso, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 31, with one-way flights priced at just $512.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Lufthansa.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Tromso travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Tromso is December, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Seattle to Tromso on July 31, 2026 with Lufthansa, with prices starting at $708.
  • You can land at any one of the following hubs in Tromso, with Seattle-Tacoma International Airport to Tromso Airport (SEA-TOS) is by far the most common option on this route: Tromso Airport (TOS).
  • The time difference between Tromso and Seattle is 9h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.