$184+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Jun 21 — Jun 281
Round-trip
1 adult, Economy
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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 May 22, 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 May 22, 2026.
This oojo deal was found by Cheapflights users on 5/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Mon 10/191:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/22![Icelandair logo]()
$447
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 10/131:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 5/20![Icelandair logo]()
$449
This oojo deal was found by Cheapflights users on 5/21. 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 10/113:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Sat 10/171:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 5/21![Icelandair logo]()
$451
This Mytrip deal was found by Cheapflights users on 5/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 10/181:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/20![Icelandair logo]()
$454
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sat 9/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/20![Icelandair logo]()
$455
This oojo deal was found by Cheapflights users on 5/21. 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 9/163:40 pm
SEA
- OSL
1 stop11h 35m
Icelandair
Wed 9/304:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 5/21![Icelandair logo]()
$456
This oojo deal was found by Cheapflights users on 5/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 9/234:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 5/22![Icelandair logo]()
$463
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sat 9/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/20![Icelandair logo]()
$465
This oojo deal was found by Cheapflights users on 5/19. 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 9/213:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Mon 10/51:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/19![Icelandair logo]()
$467
This Justfly.com deal was found by Cheapflights users on 5/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:40 pm
SEA
- OSL
1 stop11h 35m
Icelandair
Sat 9/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/21![Icelandair logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Tue 10/63:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Mon 10/266:00 am
TRF
- SEA
2 stops24h 12m
Scandinavian Airlines
Deal found 5/21![Scandinavian Airlines logo]()
$641
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 9/296:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/21![Scandinavian Airlines logo]()
$646
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 May 22, 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 May 22, 2026.
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 9/23:54 pm
SEA
- OSL
2 stops21h 11m
United Airlines
Sun 9/136:25 am
OSL
- SEA
2 stops36h 27m
United Airlines
Deal found 5/21![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 5/21. 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.
Sun 9/65:45 pm
SEA
- OSL
2 stops15h 50m
Delta
Wed 9/166:30 am
OSL
- SEA
2 stops20h 59m
Delta
Deal found 5/21![Delta logo]()
$540
This KLM deal was found by Cheapflights users on 5/21. 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.
Sat 8/85:45 pm
SEA
- OSL
1 stop18h 10m
KLM
Sun 8/166:30 am
OSL
- SEA
1 stop14h 07m
KLM
Deal found 5/21![KLM logo]()
$550
This FlightHub deal was found by Cheapflights users on 5/17. 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 7/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 8/78:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/17![Scandinavian Airlines logo]()
$706
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Fri 9/183:55 pm
SEA
- TRF
2 stops16h 35m
Multiple Airlines
Sat 9/265:55 pm
TRF
- SEA
2 stops28h 50m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Sun 11/15:15 pm
SEA
- OSL
2 stops38h 55m
United Airlines
Tue 11/106:45 am
OSL
- SEA
2 stops23h 20m
United Airlines
Deal found 5/21![United Airlines logo]()
$518
This KLM deal was found by Cheapflights users on 5/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:45 pm
SEA
- OSL
1 stop18h 10m
KLM
Fri 8/216:30 am
OSL
- SEA
1 stop14h 07m
KLM
Deal found 5/20![KLM logo]()
$561
This United Airlines deal was found by Cheapflights users on 5/17. 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 10/610:58 pm
SEA
- OSL
2 stops33h 17m
United Airlines
Sat 10/177:15 am
OSL
- SEA
2 stops22h 49m
United Airlines
Deal found 5/17![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 5/21. 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 9/156:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Tue 9/296:55 am
OSL
- SEA
2 stops24h 47m
United Airlines
Deal found 5/21![United Airlines logo]()
$521
This KLM deal was found by Cheapflights users on 5/18. 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.
Sat 9/191:50 pm
SEA
- OSL
1 stop14h 50m
KLM
Sat 9/268:00 am
OSL
- SEA
1 stop17h 35m
KLM
Deal found 5/18![KLM logo]()
$576
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:04 pm
SEA
- OSL
2 stops25h 01m
United Airlines
Mon 9/216:45 am
OSL
- SEA
1 stop14h 10m
United Airlines
Deal found 5/20![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 11/42:00 pm
SEA
- OSL
1 stop14h 05m
United Airlines
Fri 11/61:55 pm
OSL
- SEA
1 stop31h 05m
United Airlines
Deal found 5/21![United Airlines logo]()
$542
This Scandinavian Airlines deal was found by Cheapflights users on 5/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:30 pm
SEA
- TRF
2 stops25h 00m
Scandinavian Airlines
Sat 11/72:35 pm
TRF
- SEA
2 stops40h 36m
Scandinavian Airlines
Deal found 5/20![Scandinavian Airlines logo]()
$804
This oojo deal was found by Cheapflights users on 5/17. 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 6/17:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Mon 6/226:25 pm
TRF
- SEA
2 stops35h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$832
This Scandinavian Airlines deal was found by Cheapflights users on 5/19. 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 Scandinavian Airlines 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 5/19![Scandinavian Airlines logo]()
$859
This Icelandair deal was found by Cheapflights users on 5/18. 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.
Sun 10/117:00 pm
SEA
- TRF
2 stops14h 00m
Multiple Airlines
Sat 10/1712:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$881
This Scandinavian Airlines deal was found by Cheapflights users on 5/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:25 pm
SEA
- TRF
2 stops42h 00m
Scandinavian Airlines
Tue 9/223:05 pm
TRF
- SEA
2 stops37h 00m
Scandinavian Airlines
Deal found 5/19![Scandinavian Airlines logo]()
$871
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/43:40 pm
SEA
- OSL
2 stops21h 25m
United Airlines
Wed 8/129:55 am
OSL
- SEA
2 stops40h 04m
United Airlines
Deal found 5/17![United Airlines logo]()
$675
This Scandinavian Airlines deal was found by Cheapflights users on 5/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/68:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/19![Scandinavian Airlines logo]()
$913
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated May 22, 2026 and is based on user searches.
This Flysmarter deal was found by Cheapflights users on 5/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Thu 6/47:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$519
This oojo deal was found by Cheapflights users on 5/21. 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.
Thu 5/283:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Mon 6/84:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/21![Icelandair logo]()
$513
This Sembo deal was found by Cheapflights users on 5/20. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Mon 6/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/20![Icelandair logo]()
$507
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:45 am
SEA
- OSL
2 stops22h 15m
Multiple Airlines
Mon 6/85:35 am
OSL
- SEA
2 stops21h 55m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$510
This Mytrip deal was found by Cheapflights users on 5/21. 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 6/210:45 am
SEA
- OSL
2 stops22h 15m
Multiple Airlines
Sat 6/67:15 am
OSL
- SEA
1 stop18h 44m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$523
This FlightHub deal was found by Cheapflights users on 5/20. 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.
Sun 6/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 6/171:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/20![Icelandair logo]()
$520
This Mytrip deal was found by Cheapflights users on 5/18. 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 6/910:45 am
SEA
- OSL
2 stops22h 15m
Multiple Airlines
Tue 6/167:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:50 pm
SEA
- OSL
1 stop14h 10m
Lufthansa
Tue 6/1611:45 am
OSL
- SEA
1 stop14h 14m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/93:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/166:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$682
This oojo deal was found by Cheapflights users on 5/18. 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 6/157:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Mon 6/226:25 pm
TRF
- SEA
2 stops35h 15m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$811
This Gotogate deal was found by Cheapflights users on 5/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 8/243:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 5/17![Scandinavian Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/303:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/138:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/19![Scandinavian Airlines logo]()
$748
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 May 22, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 5/19![Icelandair logo]()
$184
This Mytrip deal was found by Cheapflights users on 5/18. 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.
Wed 9/211:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 5/18![Icelandair logo]()
$196
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 5/20![Icelandair logo]()
$197
This oojo deal was found by Cheapflights users on 5/19. 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 9/73:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Deal found 5/19![Icelandair logo]()
$200
This FlightHub deal was found by Cheapflights users on 5/19. 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 9/67:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/19![Icelandair logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/20![Icelandair logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Wed 9/97:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/19![Icelandair logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Sat 9/511:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 5/19![Icelandair logo]()
$213
This Air France deal was found by Cheapflights users on 5/17. 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.
Tue 7/71:30 pm
SEA
- OSL
1 stop14h 20m
Air France
Deal found 5/17![Air France logo]()
$214
This Delta deal was found by Cheapflights users on 5/18. 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 8/262:30 pm
SEA
- OSL
2 stops19h 15m
Delta
Deal found 5/18![Delta logo]()
$219
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/19![Icelandair logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 pm
SEA
- TRF
3 stops27h 40m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$268
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 May 22, 2026.
Round-trip from | $447 (oojo) |
|---|---|
One-way from | $184 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $548 |
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 May 22, 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
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/2
3:54 pm-10:05 pm
2 stops21h 11m
Oslo Gardermoen
Sun 9/13
6:25 am-9:52 am
2 stops36h 27m
$515
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 11/1
5:15 pm-5:10 pm
2 stops38h 55m
Oslo Gardermoen
Tue 11/10
6:45 am-9:05 pm
2 stops23h 20m
$518
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 10/6
10:58 pm-5:15 pm
2 stops33h 17m
Oslo Gardermoen
Sat 10/17
7:15 am-9:04 pm
2 stops22h 49m
$519
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 9/15
6:50 pm-10:05 pm
1 stop18h 15m
Oslo Gardermoen
Tue 9/29
6:55 am-10:42 pm
2 stops24h 47m
$521
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 9/6
11:04 pm-9:05 am
2 stops25h 01m
Oslo Gardermoen
Mon 9/21
6:45 am-11:55 am
1 stop14h 10m
$537
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 9/6
5:45 pm-6:35 pm
2 stops15h 50m
Oslo Gardermoen
Wed 9/16
6:30 am-6:29 pm
2 stops20h 59m
$540
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 11/4
2:00 pm-1:05 pm
1 stop14h 05m
Oslo Gardermoen
Fri 11/6
1:55 pm-12:00 pm
1 stop31h 05m
$542
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 8/8
5:45 pm-8:55 pm
1 stop18h 10m
Oslo Gardermoen
Sun 8/16
6:30 am-11:37 am
1 stop14h 07m
$550
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 8/2
5:45 pm-8:55 pm
1 stop18h 10m
Oslo Gardermoen
Fri 8/21
6:30 am-11:37 am
1 stop14h 07m
$561
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 9/19
1:50 pm-1:40 pm
1 stop14h 50m
Oslo Gardermoen
Sat 9/26
8:00 am-4:35 pm
1 stop17h 35m
$576
Showing 1-10 of 38 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
What is the cheapest month to book a flight from Seattle to Oslo?
Currently, September is the cheapest month in which you can book a flight from Seattle to Oslo (average of $245). Flying from Seattle to Oslo in June is currently the most expensive (average of $477). 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?
How far ahead should I book a flight from Seattle to Oslo?
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 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 May 22, 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.
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
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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 May 22, 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 May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Seattle to Oslo
Discover the top 7 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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$530 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$392 | Average$531 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$648 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$622 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$538 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$498 | Average$625 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$520 | Average$654 | FlexibilityNo cancel fee | On-time76% |