$213+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Jun 3 — Jun 101
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 May 4, 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 4, 2026.
This Gotogate deal was found by Cheapflights users on 5/1. 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.
Mon 11/22:35 pm
SEA
- OSL
1 stop12h 00m
Icelandair
Thu 11/129:30 pm
OSL
- SEA
1 stop28h 30m
Icelandair
Deal found 5/1![Icelandair logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/62:55 pm
SEA
- OSL
2 stops22h 10m
Lufthansa
Sun 5/1011:45 am
OSL
- SEA
1 stop14h 14m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/122:55 pm
SEA
- OSL
2 stops18h 05m
Lufthansa
Mon 5/186:45 am
OSL
- SEA
1 stop14h 35m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/1210:45 am
SEA
- OSL
2 stops22h 15m
Lufthansa
Wed 5/207:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/1210:45 am
SEA
- OSL
2 stops22h 15m
Lufthansa
Tue 5/196:55 am
OSL
- SEA
1 stop14h 25m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$474
This Mytrip deal was found by Cheapflights users on 5/3. 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 5/62:55 pm
SEA
- OSL
2 stops22h 10m
Multiple Airlines
Sun 5/1011:45 am
OSL
- SEA
2 stops19h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$475
This Icelandair deal was found by Cheapflights users on 4/29. 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 11/121:10 pm
OSL
- SEA
1 stop12h 50m
Icelandair
Deal found 4/29![Icelandair logo]()
$477
This Ticket deal was found by Cheapflights users on 4/29. 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.
Fri 5/16:40 pm
SEA
- OSL
1 stop19h 40m
Multiple Airlines
Fri 5/156:30 am
OSL
- SEA
1 stop19h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$479
This Mytrip deal was found by Cheapflights users on 5/1. 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 10/116:50 pm
SEA
- OSL
1 stop18h 15m
Multiple Airlines
Mon 10/197:10 am
OSL
- SEA
2 stops24h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$483
This Gotogate deal was found by Cheapflights users on 5/3. 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 11/15:45 am
SEA
- OSL
2 stops26h 55m
Multiple Airlines
Tue 11/106:15 am
OSL
- SEA
1 stop14h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$485
This Gotogate deal was found by Cheapflights users on 4/30. 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 11/85:45 am
SEA
- OSL
2 stops26h 55m
Multiple Airlines
Thu 11/126:15 am
OSL
- SEA
1 stop14h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$486
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/263:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/26:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/29![Scandinavian Airlines logo]()
$595
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 4, 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 4, 2026.
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/66:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Fri 10/1611:45 am
OSL
- SEA
1 stop14h 14m
United Airlines
Deal found 4/30![United Airlines logo]()
$513
This KLM deal was found by Cheapflights users on 5/2. 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.
Tue 5/195:40 pm
SEA
- OSL
1 stop18h 15m
KLM
Sun 5/246:30 am
OSL
- SEA
1 stop14h 12m
KLM
Deal found 5/2![KLM logo]()
$575
This Delta deal was found by Cheapflights users on 5/2. 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 6/97:15 am
SEA
- OSL
2 stops16h 30m
Delta
Sun 6/146:30 am
OSL
- SEA
1 stop14h 07m
Delta
Deal found 5/2![Delta logo]()
$630
This KAYAK deal was found by Cheapflights users on 4/30. 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 5/313:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Mon 7/278:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$656
This Mytrip deal was found by Cheapflights users on 5/2. 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.
Mon 6/17:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Mon 6/812:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$933
This United Airlines deal was found by Cheapflights users on 5/3. 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 8/305:00 am
SEA
- OSL
2 stops24h 50m
United Airlines
Wed 9/166:35 am
OSL
- SEA
1 stop14h 20m
United Airlines
Deal found 5/3![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/36:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Thu 6/187:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 5/3. 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 6/11:55 pm
SEA
- OSL
2 stops21h 45m
Delta
Mon 6/156:30 am
OSL
- SEA
1 stop18h 54m
Delta
Deal found 5/3![Delta logo]()
$645
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/910:54 am
SEA
- OSL
2 stops28h 21m
United Airlines
Wed 9/236:35 am
OSL
- SEA
3 stops25h 49m
United Airlines
Deal found 4/29![United Airlines logo]()
$548
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/263:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Mon 7/278:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/29![Scandinavian Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 stop23h 30m
Scandinavian Airlines
Tue 6/166:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/97:40 am
SEA
- OSL
2 stops31h 25m
United Airlines
Tue 6/166:45 am
OSL
- SEA
2 stops26h 14m
United Airlines
Deal found 4/30![United Airlines logo]()
$577
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. 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
Fri 7/178:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 6/225:45 am
SEA
- OSL
2 stops27h 35m
United Airlines
Mon 7/136:45 am
OSL
- SEA
2 stops35h 55m
United Airlines
Deal found 5/3![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/205:00 am
SEA
- OSL
2 stops24h 45m
United Airlines
Sun 8/237:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 4/30![United Airlines logo]()
$620
This Scandinavian Airlines deal was found by Cheapflights users on 5/4. 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
Fri 7/38:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 6/110:45 am
SEA
- OSL
2 stops28h 30m
United Airlines
Sat 6/137:15 am
OSL
- SEA
1 stop18h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$643
This KAYAK deal was found by Cheapflights users on 5/3. 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 6/17:15 am
SEA
- TRF
2 stops22h 15m
Scandinavian Airlines
Tue 6/166:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$781
This KAYAK deal was found by Cheapflights users on 5/3. 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 6/17:15 am
SEA
- TRF
2 stops22h 15m
Scandinavian Airlines
Sat 6/136:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$790
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/3010:35 am
SEA
- TRF
2 stops24h 50m
Scandinavian Airlines
Fri 7/178:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$831
This oojo deal was found by Cheapflights users on 5/2. 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 7/73:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/208:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/2![Scandinavian Airlines logo]()
$883
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. 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
Sat 7/185:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$891
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/303:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Sat 7/185:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$891
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated May 4, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 4/29. 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.
Fri 5/16:40 pm
SEA
- OSL
1 stop19h 40m
Multiple Airlines
Fri 5/156:30 am
OSL
- SEA
1 stop19h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$479
This Rumbo deal was found by Cheapflights users on 4/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:50 pm
SEA
- OSL
1 stop14h 05m
Lufthansa
Wed 5/207:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 4/30![Lufthansa logo]()
$489
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/110:45 am
SEA
- OSL
2 stops22h 10m
Multiple Airlines
Wed 5/207:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/62:55 pm
SEA
- OSL
2 stops22h 10m
Lufthansa
Sun 5/1011:45 am
OSL
- SEA
1 stop14h 14m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$452
This Mytrip deal was found by Cheapflights users on 5/3. 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 5/62:55 pm
SEA
- OSL
2 stops22h 10m
Multiple Airlines
Sun 5/1011:45 am
OSL
- SEA
2 stops19h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/122:55 pm
SEA
- OSL
2 stops18h 05m
Lufthansa
Mon 5/186:45 am
OSL
- SEA
1 stop14h 35m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/1210:45 am
SEA
- OSL
2 stops22h 15m
Lufthansa
Wed 5/207:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/1210:45 am
SEA
- OSL
2 stops22h 15m
Lufthansa
Tue 5/196:55 am
OSL
- SEA
1 stop14h 25m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$474
This Mytrip deal was found by Cheapflights users on 5/1. 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 5/122:55 pm
SEA
- OSL
2 stops18h 05m
Multiple Airlines
Tue 5/196:55 am
OSL
- SEA
1 stop14h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$499
This FlightHub deal was found by Cheapflights users on 4/30. 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 5/1310:45 am
SEA
- OSL
2 stops26h 20m
Lufthansa
Wed 5/207:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 4/30![Lufthansa logo]()
$495
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/263:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/26:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/29![Scandinavian Airlines logo]()
$595
This oojo deal was found by Cheapflights users on 5/3. 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 5/313:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/166:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$628
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 4, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Air France deal was found by Cheapflights users on 4/29. 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.
Sun 5/106:40 pm
SEA
- OSL
1 stop19h 05m
Air France
Deal found 4/29![Air France logo]()
$213
This Air France deal was found by Cheapflights users on 4/30. 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.
Fri 5/86:40 pm
SEA
- OSL
1 stop19h 40m
Air France
Deal found 4/30![Air France logo]()
$214
This Delta deal was found by Cheapflights users on 5/3. 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.
Fri 5/87:30 am
SEA
- OSL
2 stops24h 10m
Delta
Deal found 5/3![Delta logo]()
$215
This Mytrip deal was found by Cheapflights users on 5/1. 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 8/183:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 5/1![Icelandair logo]()
$221
This Mytrip deal was found by Cheapflights users on 5/3. 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 8/2111:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 5/3![Icelandair logo]()
$223
This KLM deal was found by Cheapflights users on 4/29. 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.
Wed 5/135:40 pm
SEA
- OSL
1 stop18h 15m
KLM
Deal found 4/29![KLM logo]()
$225
This KLM deal was found by Cheapflights users on 4/29. 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 5/95:40 pm
SEA
- OSL
1 stop13h 45m
KLM
Deal found 4/29![KLM logo]()
$226
This FlightHub deal was found by Cheapflights users on 5/1. 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 7/193:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 5/1![Icelandair logo]()
$227
This Delta deal was found by Cheapflights users on 4/29. 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 5/910:35 pm
SEA
- OSL
2 stops30h 05m
Delta
Deal found 4/29![Delta logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/183:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/29![Icelandair logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/137:00 pm
SEA
- TRF
3 stops37h 35m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/107:00 pm
SEA
- TRF
3 stops28h 05m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$282
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 4, 2026.
Round-trip from | $480 (Gotogate) |
|---|---|
One-way from | $213 (Air France) |
Popular in | June |
Cheapest in | January |
Average price | $559 |
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 4, 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
Tue 10/6
6:50 pm-10:05 pm
1 stop18h 15m
Oslo Gardermoen
Fri 10/16
11:45 am-4:59 pm
1 stop14h 14m
$513
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 8/30
5:00 am-2:50 pm
2 stops24h 50m
Oslo Gardermoen
Wed 9/16
6:35 am-11:55 am
1 stop14h 20m
$525
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 6/3
6:50 pm-10:05 pm
1 stop18h 15m
Oslo Gardermoen
Thu 6/18
7:10 am-4:59 pm
1 stop18h 49m
$538
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/9
10:54 am-12:15 am
2 stops28h 21m
Oslo Gardermoen
Wed 9/23
6:35 am-11:24 pm
3 stops25h 49m
$548
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/19
5:40 pm-8:55 pm
1 stop18h 15m
Oslo Gardermoen
Sun 5/24
6:30 am-11:42 am
1 stop14h 12m
$575
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 6/9
7:40 am-12:05 am
2 stops31h 25m
Oslo Gardermoen
Tue 6/16
6:45 am-11:59 pm
2 stops26h 14m
$577
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 6/22
5:45 am-6:20 pm
2 stops27h 35m
Oslo Gardermoen
Mon 7/13
6:45 am-9:40 am
2 stops35h 55m
$609
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/20
5:00 am-2:45 pm
2 stops24h 45m
Oslo Gardermoen
Sun 8/23
7:10 am-4:59 pm
1 stop18h 49m
$620
Quickest round-trip
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 6/9
7:15 am-8:45 am
2 stops16h 30m
Oslo Gardermoen
Sun 6/14
6:30 am-11:37 am
1 stop14h 07m
$630
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 6/1
10:45 am-12:15 am
2 stops28h 30m
Oslo Gardermoen
Sat 6/13
7:15 am-4:59 pm
1 stop18h 44m
$643
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?
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 May 4, 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.
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - 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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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 4, 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 4, 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$530 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$519 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$671 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$624 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$538 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$498 | Average$649 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$520 | Average$684 | FlexibilityNo cancel fee | On-time76% |