Cheap Flights from Seattle, WA to Oslo from $165

Return flight: Oslo – Seattle

On Cheapflightsplus.com you will find 1000 connecting flights from Seattle to Oslo. You can compare airfare deals from 24 airlines and multiple travel sites from $165, book and save on cheap plane tickets and last minute offers. Also check out SEA-OSL flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Oslo depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Oslo is 7329 miles. Time difference between the cities is 9h. Airplanes depart 00:59 to 23:59 from 3 Seattle airports and arrive 00:59 to 23:59 to 3 Oslo airports. Average flight time is 22h 5m.

  • The fastest flight 11h 25m
  • Average flight time 22h 5m
  • The earliest flight 00:59
  • The latest flight 23:59
  • Distance 4555 ml

The cheapest months to travel to Oslo are october (from 165 $), july (from 176 $), september (from 176 $).

The most expensive months are november (from 518 $), december (from 506 $), february (from 453 $).

What is the lowest airfare Seattle to Oslo?

The cheapest plane ticket found by our users is $165. This airfare is for economy class on one-way FI680 flight by Icelandair for October 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 15:45 am and arrives at Oslo Gardermoen at 12:35.

Economy class
$165
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Business class
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First class
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Flight Schedule Seattle (Washington) to Oslo

06:41 — 12:55+1day
21h 14m flight time
Find flight
from$347
06:41 — 15:00 Seattle — New York
HA6671 Hawaiian Airlines
8h 55m stop
23:55 — 12:55 New York — Oslo
N02 N0
06:41 — 12:55+1day
21h 14m flight time
Find flight
from$347
06:41 — 15:00 Seattle — New York
HA6593 Hawaiian Airlines
8h 55m stop
23:55 — 12:55 New York — Oslo
N02 N0
08:19 — 12:55+1day
19h 36m flight time
Find flight
from$347
08:19 — 16:48 Seattle — New York
HA6501 Hawaiian Airlines
7h 7m stop
23:55 — 12:55 New York — Oslo
N02 N0
11:06 — 12:55+1day
16h 49m flight time
Find flight
from$389
11:06 — 19:29 Seattle — New York
HA6746 Hawaiian Airlines
4h 26m stop
23:55 — 12:55 New York — Oslo
N02 N0
14:20 — 12:15+1day
12h 55m flight time
Find flight
from$390
14:00 — 09:10 Seattle — Frankfurt
LH491 Lufthansa
1h 20m stop
10:40 — 12:45 Frankfurt — Oslo
LH860 Lufthansa
14:20 — 15:40+1day
16h 20m flight time
Find flight
from$394
14:20 — 08:55 Seattle — Frankfurt
LH491 Lufthansa
4h 45m stop
13:40 — 15:40 Frankfurt — Oslo
LH862 Lufthansa
14:20 — 18:00+1day
18h 40m flight time
Find flight
from$394
14:00 — 09:10 Seattle — Frankfurt
LH491 Lufthansa
7h 5m stop
21:40 — 23:45 Frankfurt — Oslo
LH864 Lufthansa
15:45 — 12:35+1day
11h 50m flight time
Find flight
from$165
14:35 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 35m stop
07:50 — 11:35 Reykjavik — Oslo
FI318 Icelandair
15:45 — 15:25+1day
14h 40m flight time
Find flight
from$176
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
4h 25m stop
10:40 — 15:25 Reykjavik — Oslo
FI322 Icelandair
18:50 — 18:05+1day
14h 15m flight time
Find flight
from$390
18:50 — 13:40 Seattle — Munich
LH489 Lufthansa
2h 15m stop
15:55 — 18:05 Munich — Oslo
LH2454 Lufthansa
18:50 — 22:10+1day
18h 20m flight time
Find flight
from$390
18:50 — 13:40 Seattle — Munich
LH489 Lufthansa
6h 20m stop
20:00 — 22:10 Munich — Oslo
LH2456 Lufthansa
19:00 — 12:35+2days
32h 35m flight time
Find flight
from$166
19:00 — 09:25 Seattle — Reykjavik
FI682 Icelandair
22h 25m stop
07:50 — 12:35 Reykjavik — Oslo
FI318 Icelandair
19:00 — 15:25+1day
11h 25m flight time
Find flight
from$176
19:00 — 09:25 Seattle — Reykjavik
FI682 Icelandair
1h 15m stop
10:40 — 15:25 Reykjavik — Oslo
FI322 Icelandair
23:30 — 12:35+2days
28h 5m flight time
Find flight
from$178
23:30 — 14:00 Seattle — Reykjavik
FI684 Icelandair
17h 50m stop
07:50 — 12:35 Reykjavik — Oslo
FI318 Icelandair
23:30 — 15:25+2days
30h 55m flight time
Find flight
from$178
23:30 — 14:00 Seattle — Reykjavik
FI684 Icelandair
20h 40m stop
10:40 — 15:25 Reykjavik — Oslo
FI322 Icelandair
Full flight schedule will help you in detecting at what time planes fly from Seattle to Oslo. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on November 3, 2025.

Popular Airlines on the Route

The flight Seattle — Oslo is served by 24 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by KLM - 43 departures per week at the price of from $ 488 . And the most expensive tickets are offered by Iberia airline - from $ 910.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is FI682 by Icelandair takes 11h 25m and the cheapest is FI680 by Icelandair for $165.

  • KL - KLM
    from $488
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  • AC - Air Canada
    from $377
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  • FI - Icelandair
    from $165
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  • OS - Austrian Airlines
    from $425
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  • EI - Aer Lingus
    from $709
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  • AF - Air France
    from $482
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  • SY - Sun Country Airlines
    from $300
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  • LX - SWISS International Air Lines
    from $420
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  • UA - United Airlines
    from $435
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  • AS - Alaska Airlines
    from $327
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  • F9 - Frontier Airlines
    from $309
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  • TK - Turkish Airlines
    from $621
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See more connecting flights

Airports

You can fly from Seattle to Oslo from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    from $538
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  • Seattle-Tacoma Intl-SEA
    from $165
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Oslo airports

  • Gardermoen-OSL
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  • Sandefjord-TRF
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  • Puente Genil-GEN
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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