$190+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
May 24 — May 311
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 April 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 April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 4/246:50 pm
SEA
- OSL
1 stop14h 05m
Lufthansa
Fri 5/87:15 am
OSL
- SEA
1 stop18h 44m
Lufthansa
Deal found 4/23![Lufthansa logo]()
$450
This oojo deal was found by Cheapflights users on 4/21. 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 4/293:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/21![Icelandair logo]()
$456
This oojo deal was found by Cheapflights users on 4/20. 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 5/63:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/20![Icelandair logo]()
$464
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:55 pm
SEA
- OSL
2 stops18h 00m
Multiple Airlines
Sun 5/107:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$466
This Gotogate deal was found by Cheapflights users on 4/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:20 am
SEA
- OSL
2 stops22h 35m
Multiple Airlines
Wed 5/137:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$474
This Icelandair deal was found by Cheapflights users on 4/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:35 pm
SEA
- OSL
1 stop12h 00m
Icelandair
Thu 11/129:30 pm
OSL
- SEA
1 stop28h 30m
Icelandair
Deal found 4/20![Icelandair logo]()
$478
This oojo deal was found by Cheapflights users on 4/20. 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.
Mon 9/283:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Mon 11/21:10 pm
OSL
- SEA
1 stop12h 50m
Icelandair
Deal found 4/20![Icelandair logo]()
$482
This Mytrip deal was found by Cheapflights users on 4/21. 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.
Wed 4/298:00 am
SEA
- OSL
2 stops24h 55m
Multiple Airlines
Sun 5/1011:45 am
OSL
- SEA
1 stop14h 14m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$483
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:45 am
SEA
- OSL
2 stops26h 55m
Multiple Airlines
Sun 11/296:10 am
OSL
- SEA
2 stops21h 16m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 8/113:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Mon 8/243:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/21![Scandinavian Airlines logo]()
$648
This oojo deal was found by Cheapflights users on 4/20. 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 8/113:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Thu 8/203:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/20![Scandinavian Airlines logo]()
$689
This FlightHub deal was found by Cheapflights users on 4/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Fri 8/216:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/21![Scandinavian Airlines logo]()
$694
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 April 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 April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Mon 8/247:10 am
OSL
- SEA
2 stops20h 19m
United Airlines
Deal found 4/19![United Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 5/277:15 am
SEA
- OSL
2 stops19h 30m
Delta
Mon 7/2012:45 pm
OSL
- SEA
1 stop31h 30m
Delta
Deal found 4/23![Delta logo]()
$658
This oojo deal was found by Cheapflights users on 4/23. 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 8/113:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Thu 8/203:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/23![Scandinavian Airlines logo]()
$689
This KLM deal was found by Cheapflights users on 4/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:45 pm
SEA
- OSL
1 stop13h 45m
KLM
Sun 5/246:30 am
OSL
- SEA
1 stop14h 12m
KLM
Deal found 4/19![KLM logo]()
$772
This Booking.com deal was found by Cheapflights users on 4/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 pm
SEA
- TRF
2 stops14h 35m
Multiple Airlines
Wed 9/212:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$820
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 pm
SEA
- OSL
2 stops35h 05m
United Airlines
Sat 10/179:55 am
OSL
- SEA
2 stops41h 37m
United Airlines
Deal found 4/22![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 4/19. 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.
Mon 8/31:30 pm
SEA
- OSL
1 stop18h 10m
Delta
Wed 8/129:20 am
OSL
- SEA
2 stops19h 43m
Delta
Deal found 4/19![Delta logo]()
$674
This FlightHub deal was found by Cheapflights users on 4/19. 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 6/303:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 7/178:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/19![Scandinavian Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:02 am
SEA
- OSL
2 stops26h 03m
United Airlines
Thu 8/279:55 am
OSL
- SEA
3 stops22h 29m
United Airlines
Deal found 4/19![United Airlines logo]()
$674
This KAYAK deal was found by Cheapflights users on 4/19. 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.
Sun 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 8/243:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/19![Scandinavian Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:10 pm
SEA
- OSL
2 stops24h 55m
United Airlines
Sat 9/56:15 am
OSL
- SEA
2 stops19h 44m
United Airlines
Deal found 4/19![United Airlines logo]()
$702
This KLM deal was found by Cheapflights users on 4/22. 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.
Mon 6/11:55 pm
SEA
- OSL
1 stop13h 35m
KLM
Tue 6/27:15 pm
OSL
- SEA
1 stop25h 22m
KLM
Deal found 4/22![KLM logo]()
$946
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
SEA
- OSL
2 stops32h 05m
United Airlines
Sun 9/67:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 4/22![United Airlines logo]()
$725
This KAYAK deal was found by Cheapflights users on 4/23. 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.
Wed 5/273:00 pm
SEA
- TRF
2 stops24h 25m
Scandinavian Airlines
Mon 7/278:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/23![Scandinavian Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 5/2610:45 am
SEA
- OSL
2 stops22h 20m
United Airlines
Thu 7/2311:45 am
OSL
- SEA
1 stop14h 14m
United Airlines
Deal found 4/23![United Airlines logo]()
$769
This Scandinavian Airlines deal was found by Cheapflights users on 4/20. 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.
Fri 9/259:25 pm
SEA
- TRF
2 stops32h 05m
Scandinavian Airlines
Tue 9/296:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/20![Scandinavian Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 4/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:00 pm
SEA
- OSL
2 stops26h 05m
United Airlines
Fri 5/296:45 am
OSL
- SEA
2 stops21h 51m
United Airlines
Deal found 4/18![United Airlines logo]()
$779
This KAYAK deal was found by Cheapflights users on 4/23. 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 5/2512:40 pm
SEA
- TRF
2 stops26h 45m
Scandinavian Airlines
Sat 7/255:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 4/23![Scandinavian Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/232:10 pm
SEA
- OSL
2 stops18h 45m
United Airlines
Wed 7/297:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 4/23![United Airlines logo]()
$793
This Orbitz deal was found by Cheapflights users on 4/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:55 pm
SEA
- TRF
1 stop17h 10m
Scandinavian Airlines
Sun 8/26:35 pm
TRF
- SEA
2 stops38h 24m
Scandinavian Airlines
Deal found 4/18![Scandinavian Airlines logo]()
$946
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated April 24, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 4/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:20 am
SEA
- OSL
2 stops22h 35m
Multiple Airlines
Wed 5/137:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$474
This FlightHub deal was found by Cheapflights users on 4/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Wed 5/137:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 4/21![Lufthansa logo]()
$490
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:20 am
SEA
- OSL
2 stops22h 35m
Multiple Airlines
Thu 4/306:45 am
OSL
- SEA
1 stop14h 35m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$478
This Justfly.com deal was found by Cheapflights users on 4/21. 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.
Thu 4/2310:20 am
SEA
- OSL
2 stops26h 45m
Lufthansa
Thu 4/306:45 am
OSL
- SEA
1 stop14h 35m
Lufthansa
Deal found 4/21![Lufthansa logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 4/246:50 pm
SEA
- OSL
1 stop14h 05m
Lufthansa
Fri 5/87:15 am
OSL
- SEA
1 stop18h 44m
Lufthansa
Deal found 4/23![Lufthansa logo]()
$450
This oojo deal was found by Cheapflights users on 4/21. 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 4/293:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/21![Icelandair logo]()
$456
This Mytrip deal was found by Cheapflights users on 4/21. 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.
Wed 4/298:00 am
SEA
- OSL
2 stops24h 55m
Multiple Airlines
Sun 5/1011:45 am
OSL
- SEA
1 stop14h 14m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$483
This oojo deal was found by Cheapflights users on 4/20. 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 5/63:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/20![Icelandair logo]()
$464
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:55 pm
SEA
- OSL
2 stops18h 00m
Multiple Airlines
Sun 5/107:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$466
This oojo deal was found by Cheapflights users on 4/22. 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.
Fri 5/87:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Fri 5/224:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/22![Icelandair logo]()
$489
This KAYAK deal was found by Cheapflights users on 4/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:00 am
SEA
- TRF
2 stops29h 25m
Scandinavian Airlines
Tue 6/26:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/20![Scandinavian Airlines logo]()
$760
This KAYAK deal was found by Cheapflights users on 4/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:00 am
SEA
- TRF
2 stops29h 25m
Scandinavian Airlines
Sat 6/66:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/20![Scandinavian Airlines logo]()
$810
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 April 24, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Mytrip deal was found by Cheapflights users on 4/21. 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 4/283:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/21![Icelandair logo]()
$190
This FlightHub deal was found by Cheapflights users on 4/21. 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 FlightHub 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 4/21![Icelandair logo]()
$194
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Fri 5/87:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 4/22![Icelandair logo]()
$202
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Mon 5/47:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/22![Icelandair logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/22![Icelandair logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/53:40 pm
SEA
- TRF
3 stops40h 35m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/47:00 pm
SEA
- TRF
3 stops51h 25m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 5/97:00 pm
SEA
- TRF
3 stops41h 15m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Sun 5/37:00 pm
SEA
- TRF
3 stops52h 35m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 4/287:00 pm
SEA
- TRF
3 stops37h 15m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Wed 4/297:00 pm
SEA
- TRF
3 stops51h 50m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$298
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 April 24, 2026.
Round-trip from | $464 (oojo) |
|---|---|
One-way from | $190 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $506 |
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 April 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
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/6
6:50 pm-10:05 pm
1 stop18h 15m
Oslo Gardermoen
Mon 8/24
7:10 am-6:29 pm
2 stops20h 19m
$552
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 10/11
7:20 pm-3:25 pm
2 stops35h 05m
Oslo Gardermoen
Sat 10/17
9:55 am-6:32 pm
2 stops41h 37m
$554
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 5/27
7:15 am-11:45 am
2 stops19h 30m
Oslo Gardermoen
Mon 7/20
12:45 pm-11:15 am
1 stop31h 30m
$658
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 8/3
1:30 pm-4:40 pm
1 stop18h 10m
Oslo Gardermoen
Wed 8/12
9:20 am-8:03 pm
2 stops19h 43m
$674
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/6
11:02 am-10:05 pm
2 stops26h 03m
Oslo Gardermoen
Thu 8/27
9:55 am-11:24 pm
3 stops22h 29m
$674
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Tue 8/11
3:55 pm-12:25 am
1 stop23h 30m
Oslo Sandefjord
Thu 8/20
3:05 pm-1:45 pm
1 stop31h 40m
$689
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 8/22
11:10 pm-9:05 am
2 stops24h 55m
Oslo Gardermoen
Sat 9/5
6:15 am-4:59 pm
2 stops19h 44m
$702
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Tue 6/30
3:55 pm-8:25 pm
1 stop19h 30m
Oslo Sandefjord
Fri 7/17
8:55 pm-1:45 pm
1 stop25h 50m
$713
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 8/22
7:00 am-12:05 am
2 stops32h 05m
Oslo Gardermoen
Sun 9/6
7:10 am-4:59 pm
1 stop18h 49m
$725
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Sun 8/2
3:55 pm-8:25 pm
1 stop19h 30m
Oslo Sandefjord
Mon 8/24
3:05 pm-1:45 pm
1 stop31h 40m
$727
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
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 81 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, 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 $438). 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 April 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.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Overall
7.9
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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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 April 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 April 24, 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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$537 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$510 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$666 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$630 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$498 | 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% |