SEA - OSL

C$ 303 Find Cheap Flights from Seattle to Oslo – Compare and Save

1 adult
1 adult, Economy, 0 bags

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.

Everything you should know

Cheapest round-trip
C$ 564
Typical prices: C$ 713-C$ 1,002
Icelandair
Sat 10/2Fri 16/2
SEA - OSL • 1 stop
Cheapest one-way flights
C$ 303
Typical prices: C$ 340-C$ 618
Scandinavian Airlines
Thu 11/10
SEA - OSL • 1 stop
Direct flights
Not available
There are currently no direct flights between Seattle and Oslo Gardermoen Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
23 weeks
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 30% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Paris Charles de Gaulle (CDG)
Cheapest • Avg C$ 770 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 13h 47m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Oslo Gardermoen Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Oslo Gardermoen (SEA-OSL)

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

Recent round-trip flight deals from Seattle to Oslo Gardermoen

Wed, 10 Feb - Tue, 16 Feb
Icelandair Logo
2:35 p.m. - 8:35 p.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
21h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 564Icelandair
Thu, 14 Jan - Sun, 24 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Tue, 12 Jan - Sat, 23 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Sun, 17 Jan - Sun, 24 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Fri, 15 Jan - Fri, 22 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Thu, 14 Jan - Thu, 21 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Tue, 12 Jan - Thu, 21 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Tue, 12 Jan - Fri, 22 Jan
Icelandair Logo
2:35 p.m. - 11:35 a.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:10 p.m. - 5:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
12h 50m1 stop Reykjavik Keflavik Intl
C$ 592Icelandair
Sun, 18 Oct - Mon, 2 Nov
United Airlines Logo
6:50 p.m. - 10:05 p.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
18h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:15 a.m. - 12:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
14h 45m1 stop Frankfurt am Main
C$ 695United Airlines
Wed, 21 Oct - Mon, 2 Nov
United Airlines Logo
6:50 p.m. - 5:55 p.m.SEA  Seattle/Tacoma Intl-OSL Oslo Gardermoen
14h 05m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:15 a.m. - 12:00 p.m.OSL  Oslo Gardermoen-SEA Seattle/Tacoma Intl
14h 45m1 stop Frankfurt am Main
C$ 695United Airlines
Booking Insights

Price, demand, and travel trends for Seattle to Oslo Gardermoen Airport flights

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

How much is a round-trip flight from Seattle to Oslo Gardermoen Airport?

Round-trip flights from Seattle to Oslo Gardermoen Airport start at C$ 564. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 713 to C$ 1,002. The lowest price found in the past 5 days was C$ 564 on Icelandair.

What's the cheapest day of the week to fly from Seattle to Oslo Gardermoen Airport?

Tuesday is the cheapest day of the week to fly from Seattle to Oslo Gardermoen Airport and is 5% cheaper than the average day. Wednesday is the most expensive day with flight prices 3% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to Oslo Gardermoen Airport?

  • January is the cheapest month to fly from Seattle to Oslo Gardermoen Airport at C$ 585 round-trip.
  • December (C$ 1,099) and June (C$ 903) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 87% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to Oslo Gardermoen Airport the cheapest?

Flights from Seattle to Oslo Gardermoen Airport are cheapest 23 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Seattle to Oslo Gardermoen Airport flights

Low season

February

Cheapest flight

C$ 303
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flights from Seattle to Oslo Gardermoen Airport

When to book flights from Seattle to Oslo Gardermoen

Are your dates flexible? Find out the best times to travel from Seattle to Oslo Gardermoen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Oslo Gardermoen Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Why should I upgrade to a Business Class ticket for my flight from Seattle to Oslo Airport?

    There are several benefits to upgrading to Business Class on a journey from Seattle to Oslo Airport with an airline like British Airways or Emirates. Take advantage of more legroom, flat seats, and plentiful amenities. Gain access to premium lounges, enjoy fine food, and receive personalized attention. These changes improve your comfort, convenience, and overall traveling experience.

  • Which family-friendly airline can I consider for my flight from Seattle to Oslo Airport with the kids?

    Airlines like Lufthansa or Norwegian Air Shuttle are good options for family trips from Seattle to Oslo Airport. Both airlines pride themselves on being family-friendly, providing facilities and services to keep kids occupied. Families with young passengers can benefit from their help, kid-friendly meals, and in-flight entertainment selections. While Norwegian Air Shuttle has a special kids' entertainment area on its in-flight entertainment system, Lufthansa offers a program called "Flying Lab" that features educational games.

  • What are the public transportation options from Oslo Airport to the city center?

    You have various public transportation choices from Oslo Airport to the city center. Oslo Central Station is reached from the airport via the NSB regional rail and the Airport Express rail (Flytoget). Bus service to the city center is also available via the Airport Express Coach (Flybussen) and bus line 380.

  • Are airlines flying from Seattle to Oslo Airport suitable for passengers with limited mobility?

    Yes, American Airlines and Avianca are ideal for travelers with limited mobility from Seattle to Oslo Airport. To ensure a comfortable journey, they offer specialized help like wheelchair assistance, pre-boarding, and other services. Also, passengers can check any necessary mobility aids, such as wheelchairs or scooters. Passengers occasionally even qualify for a free supplementary seat for a caretaker.

  • Which airports can I use when flying from Seattle to Oslo Gardermoen Airport?

    Flights from Seattle to Oslo Gardermoen Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Oslo Gardermoen (OSL).

  • Which cabin classes can I book on flights from Seattle to Oslo Gardermoen Airport?

    Only Economy Class is available on flights from Seattle to Oslo Gardermoen Airport.

  • Which airports do connecting flights from Seattle to Oslo Gardermoen Airport pass through?

    One-stop flights from Seattle to Oslo Gardermoen Airport most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) – 61% of one-stop connections
    • Amsterdam Schiphol (AMS) – 16% of one-stop connections
    • Kastrup Copenhagen (CPH) – 8% of one-stop connections
    • Munich Franz Josef Strauss (MUC) – 4% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Oslo Gardermoen Airport?

    Yes. Being flexible with your travel dates can save you up to 8% on the Seattle to Oslo Gardermoen Airport route. Tuesday is the cheapest departure day at C$ 797 round-trip on average, while Wednesday is the most expensive at C$ 859, a difference of C$ 61. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Oslo Gardermoen Airport?

    Some of the most popular sights in Oslo Gardermoen Airport are Oslo City Centre and Oslo sentralstasjon. These are among the most viewed places in Oslo Gardermoen Airport on KAYAK.

  • How expensive are last-minute Seattle to Oslo Gardermoen Airport flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 8% above the route average of C$ 834. Book 23 weeks before departure for the lowest fares.

  • How long does a flight from Seattle to Oslo Gardermoen Airport take?

    A direct flight from Seattle to Oslo Gardermoen Airport takes 0h 00m, covering 11,786 km.

  • Do I need a passport to fly from Seattle to Oslo Gardermoen Airport?

    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 are flight prices from Seattle to Oslo Gardermoen Airport looking right now?

    One-way fares from Seattle to Oslo Gardermoen Airport are currently higher than usual. Average one-way flight prices are about C$ 566, which is 22% above the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Seattle to Oslo Gardermoen Airport?

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 13h 47m, compared with 14h 09m via Helsinki-Vantaa (HEL) and 14h 23m via Kastrup Copenhagen (CPH).

  • What is the time difference between Seattle and Oslo Gardermoen Airport?

    Oslo Gardermoen Airport 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 Oslo Gardermoen Airport (OSL)?

    Oslo Gardermoen Airport (OSL) hosts 5 major car rental companies, with daily rates starting from around C$ 24 for economy cars. Top options include:
    • Hertz
    • Budget
    • Sixt
    • Avis
    • Thrifty

  • How much should I expect to pay for a Seattle to Oslo Gardermoen Airport flight?

    Round-trip flights from Seattle to Oslo Gardermoen Airport range from C$ 713 to C$ 1,002, with an average of C$ 834 over the past 12 months. Anything below C$ 713 counts as a good deal.

Your guide to booking Seattle to Oslo Gardermoen Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Wednesday. On this route, Tuesday flights average C$ 797 – about C$ 61 less than Wednesday (7% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Oslo Gardermoen Airport trip for January. Fares historically average C$ 585 round-trip in that month – typically C$ 514 less than the most expensive month, which is December (based on the last 12 months).
  • Seattle-Tacoma International Airport (SEA) serves Seattle, Washington, and Tacoma. SEA serves as a base for both Alaska Airlines and Delta Air Lines. It is located approximately 14 miles south of downtown Seattle.
  • The average carbon emissions per person on flights from Seattle to Oslo Airport stand at 8,794 lbs. However, you have the option to choose more environmentally friendly flights with Icelandair and Wideroe, as they offer breakouts that emit 33% less CO2 per person on this specific route.
  • Norwegian Air Shuttle and Lufthansa are renowned for having the most accommodating carry-on policies between Seattle and Oslo Airport (OSL). While Lufthansa offers reasonable size and weight restrictions for carry-on luggage, Norwegian Air Shuttle permits a higher carry-on weight allowance.
  • Unaccompanied minors between the ages of 5 and 11 are welcome to fly with Norwegian Air Shuttle from Seattle to Oslo Airport. They need the Unaccompanied Minor service to be purchased, the relevant paperwork to be filled out, and adherence to particular check-in and pick-up procedures.
  • For flights from Seattle to Oslo Airport, carriers, including Delta Air Lines and KLM, have accommodating pet policies. Depending on size and species, pets may fly with their owners in the cabin or as cargo on Delta Air Lines. Additionally, they offer specialized pet travel services. KLM provides pet transportation as cargo for larger animals and permits small dogs to travel in the cabin under certain conditions.

More options for your flight from Seattle to Oslo Gardermoen

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

Car rentals in Oslo
Hotels in Oslo
Vacations in Oslo