$168+ Cheap flights from Seattle (SEA) to Oslo
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Apr 23 — Apr 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Oslo with Cheapflights
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Cheapest flights from Seattle to OsloExplore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
Explore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.
This Ticket deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 5/71:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/20![Icelandair logo]()
$353
This Ticket deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/19![Icelandair logo]()
$360
This oojo deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/24![Icelandair logo]()
$399
This FlightHub deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 4/234:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/20![Icelandair logo]()
$403
This oojo deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$407
This Justfly.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 5/51:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/23![Icelandair logo]()
$410
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$411
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$413
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 5/144:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/23![Icelandair logo]()
$415
This oojo deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$416
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 4/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/23![Icelandair logo]()
$424
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Mon 8/313:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 3/23![Scandinavian Airlines logo]()
$601
Best flights from Seattle to OsloDiscover carefully curated flight deals from Seattle to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
Discover carefully curated flight deals from Seattle to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 24, 2026.
This Icelandair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 5/51:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/23![Icelandair logo]()
$440
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:35 pm
SEA
- OSL
2 stops19h 05m
Delta
Thu 5/146:30 am
OSL
- SEA
1 stop14h 12m
Delta
Deal found 3/23![Delta logo]()
$467
This KLM deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:50 pm
SEA
- OSL
1 stop13h 40m
KLM
Thu 8/278:00 am
OSL
- SEA
1 stop17h 27m
KLM
Deal found 3/21![KLM logo]()
$548
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:12 am
SEA
- OSL
2 stops23h 33m
United Airlines
Wed 5/67:10 am
OSL
- SEA
3 stops25h 19m
United Airlines
Deal found 3/21![United Airlines logo]()
$561
This FlightHub deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/143:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Sat 6/205:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 3/22![Scandinavian Airlines logo]()
$731
This Mytrip deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 pm
SEA
- TRF
2 stops34h 30m
Multiple Airlines
Wed 5/66:00 am
TRF
- SEA
2 stops23h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$732
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:45 pm
SEA
- OSL
1 stop34h 00m
Delta
Fri 5/111:50 am
OSL
- SEA
1 stop32h 55m
Delta
Deal found 3/23![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:55 pm
SEA
- OSL
1 stop13h 45m
Delta
Thu 9/106:30 am
OSL
- SEA
2 stops19h 25m
Delta
Deal found 3/22![Delta logo]()
$522
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:35 pm
SEA
- OSL
2 stops28h 40m
United Airlines
Tue 4/286:55 am
OSL
- SEA
2 stops22h 58m
United Airlines
Deal found 3/21![United Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:35 pm
SEA
- OSL
1 stop30h 10m
Delta
Thu 4/239:20 am
OSL
- SEA
2 stops20h 05m
Delta
Deal found 3/19![Delta logo]()
$534
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:15 am
SEA
- OSL
2 stops18h 50m
Delta
Mon 5/1111:50 am
OSL
- SEA
2 stops19h 50m
Delta
Deal found 3/20![Delta logo]()
$538
This KLM deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:35 pm
SEA
- TRF
2 stops18h 35m
KLM
Sun 4/2612:10 pm
TRF
- SEA
2 stops32h 35m
KLM
Deal found 3/22![KLM logo]()
$722
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Mon 6/228:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 3/22![Scandinavian Airlines logo]()
$741
This Booking.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Tue 5/1212:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:00 am
SEA
- OSL
2 stops27h 55m
United Airlines
Tue 5/56:55 am
OSL
- SEA
2 stops20h 35m
United Airlines
Deal found 3/23![United Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:05 pm
SEA
- OSL
1 stop13h 35m
Delta
Fri 6/126:30 am
OSL
- SEA
1 stop14h 07m
Delta
Deal found 3/21![Delta logo]()
$562
This Ticket deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 8/216:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 3/20![Scandinavian Airlines logo]()
$771
This KAYAK deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:20 am
SEA
- TRF
2 stops22h 10m
Scandinavian Airlines
Wed 5/136:00 am
TRF
- SEA
2 stops25h 40m
Scandinavian Airlines
Deal found 3/19![Scandinavian Airlines logo]()
$810
This KAYAK deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 am
SEA
- TRF
2 stops22h 30m
Scandinavian Airlines
Wed 5/66:00 am
TRF
- SEA
2 stops26h 46m
Scandinavian Airlines
Deal found 3/23![Scandinavian Airlines logo]()
$811
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Sat 5/309:20 am
OSL
- SEA
2 stops19h 51m
Delta
Deal found 3/20![Delta logo]()
$691
This KAYAK deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 am
SEA
- TRF
2 stops22h 30m
Scandinavian Airlines
Thu 5/76:00 am
TRF
- SEA
2 stops26h 55m
Scandinavian Airlines
Deal found 3/23![Scandinavian Airlines logo]()
$811
This KAYAK deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:45 pm
SEA
- TRF
2 stops25h 40m
Scandinavian Airlines
Sat 5/96:00 am
TRF
- SEA
2 stops24h 40m
Scandinavian Airlines
Deal found 3/19![Scandinavian Airlines logo]()
$820
This KAYAK deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Sun 7/126:35 pm
TRF
- SEA
2 stops36h 30m
Scandinavian Airlines
Deal found 3/21![Scandinavian Airlines logo]()
$854
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated March 24, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 4/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/23![Icelandair logo]()
$424
This FlightHub deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 4/234:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/20![Icelandair logo]()
$403
This oojo deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 4/281:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/21![Icelandair logo]()
$429
This Ticket deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/19![Icelandair logo]()
$360
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 4/221:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/23![Icelandair logo]()
$398
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 4/211:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/23![Icelandair logo]()
$399
This Ticket deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 5/71:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/20![Icelandair logo]()
$353
This Justfly.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 5/31:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/23![Icelandair logo]()
$410
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$413
This oojo deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$407
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Thu 5/74:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/19![Icelandair logo]()
$431
One-way flights from Seattle to OsloSearch for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This oojo deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 3/21![Icelandair logo]()
$168
This oojo deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 3/19![Icelandair logo]()
$169
This Trip.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 3/23![Icelandair logo]()
$174
This Trip.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 3/21![Icelandair logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 3/23![Icelandair logo]()
$181
This Priceline deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 3/19![Icelandair logo]()
$188
This Icelandair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 3/19![Icelandair logo]()
$189
This Air France deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:30 pm
SEA
- OSL
1 stop15h 40m
Air France
Deal found 3/23![Air France logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 3/23![Icelandair logo]()
$191
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:14 pm
SEA
- OSL
2 stops29h 31m
Delta
Deal found 3/23![Delta logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- TRF
3 stops40h 20m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$234
Find flight deals from Seattle to Oslo
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 24, 2026.
Round-trip from | $353 (Ticket) |
|---|---|
One-way from | $168 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $538 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Seattle to Oslo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 5/1
7:00 pm-3:25 pm
1 stop11h 25m
Oslo Gardermoen
Tue 5/5
1:50 pm-5:55 pm
1 stop13h 05m
$440
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 5/7
4:35 pm-8:40 pm
2 stops19h 05m
Oslo Gardermoen
Thu 5/14
6:30 am-11:42 am
1 stop14h 12m
$467
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 4/25
1:45 pm-8:45 am
1 stop34h 00m
Oslo Gardermoen
Fri 5/1
11:50 am-11:45 am
1 stop32h 55m
$474
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 8/31
9:55 pm-8:40 pm
1 stop13h 45m
Oslo Gardermoen
Thu 9/10
6:30 am-4:55 pm
2 stops19h 25m
$522
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 4/7
5:35 pm-8:45 am
1 stop30h 10m
Oslo Gardermoen
Thu 4/23
9:20 am-8:25 pm
2 stops20h 05m
$534
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 5/4
7:15 am-11:05 am
2 stops18h 50m
Oslo Gardermoen
Mon 5/11
11:50 am-10:40 pm
2 stops19h 50m
$538
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 8/16
1:50 pm-12:30 pm
1 stop13h 40m
Oslo Gardermoen
Thu 8/27
8:00 am-4:27 pm
1 stop17h 27m
$548
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 4/28
7:12 am-3:45 pm
2 stops23h 33m
Oslo Gardermoen
Wed 5/6
7:10 am-11:29 pm
3 stops25h 19m
$561
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 6/3
10:05 pm-8:40 pm
1 stop13h 35m
Oslo Gardermoen
Fri 6/12
6:30 am-11:37 am
1 stop14h 07m
$562
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 4/24
10:35 pm-12:15 pm
2 stops28h 40m
Oslo Gardermoen
Tue 4/28
6:55 am-8:53 pm
2 stops22h 58m
$645
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Seattle to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from Seattle with our price prediction graph.
SEA-OS1
SEA-OSL
SEA-TRF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Oslo
SEA-OS1
SEA-OSL
SEA-TRF
How far ahead should I book a flight from Seattle to Oslo?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Oslo. Price data was last updated on March 13, 2026.
The price you pay for your flight from Seattle to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Oslo?
Currently, April is the cheapest month in which you can book a flight from Seattle to Oslo (average of $321). Flying from Seattle to Oslo in June is currently the most expensive (average of $503). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Oslo?
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated March 24, 2026.
See what other customers who have flown with Delta,Scandinavian Airlines, andIcelandair from Seattle to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Popular flights
Alternative routes for Seattle to Oslo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oslo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Oslo by cabin class
Find flights from Seattle to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Oslo flights
Browse other Seattle and Oslo flight options. Last updated on March 24, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on March 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Seattle to Oslo
Discover the top 8 airlines that operate flights from Seattle to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$545 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$501 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$658 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$766 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$506 | Average$667 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$515 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$520 | Average$664 | FlexibilityNo cancel fee | On-time76% |