$194+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Jun 16 — Jun 231
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 17, 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 17, 2026.
This Mytrip deal was found by Cheapflights users on 5/15. 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
Sun 10/1811:45 am
OSL
- SEA
2 stops19h 57m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 5/176:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Sat 5/307:15 am
OSL
- SEA
1 stop18h 44m
Lufthansa
Deal found 5/13![Lufthansa logo]()
$489
This FlightHub deal was found by Cheapflights users on 5/16. 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 8/196:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Wed 8/267:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 5/16![Lufthansa logo]()
$491
This lastminute.com deal was found by Cheapflights users on 5/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:45 am
SEA
- OSL
2 stops41h 30m
Multiple Airlines
Sat 5/307:15 am
OSL
- SEA
1 stop18h 44m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/192:34 pm
SEA
- OSL
2 stops22h 31m
United Airlines
Wed 8/267:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 5/12![United Airlines logo]()
$497
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.
Sun 11/13:10 pm
SEA
- OSL
1 stop17h 30m
Lufthansa
Tue 11/106:15 am
OSL
- SEA
1 stop14h 55m
Lufthansa
Deal found 5/17![Lufthansa logo]()
$499
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:10 pm
SEA
- OSL
1 stop23h 30m
United Airlines
Mon 11/166:15 am
OSL
- SEA
1 stop14h 55m
United Airlines
Deal found 5/12![United Airlines logo]()
$501
This FlightHub deal was found by Cheapflights users on 5/13. 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 10/116:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Sun 10/1811:45 am
OSL
- SEA
1 stop14h 14m
Lufthansa
Deal found 5/13![Lufthansa logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/43:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Tue 8/116:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$637
This FlightHub deal was found by Cheapflights users on 5/14. 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 6/23:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Sat 6/66:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$638
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Tue 8/116:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$655
This KAYAK deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 7/248:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/15![Scandinavian Airlines logo]()
$668
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 17, 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 17, 2026.
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:10 pm
SEA
- OSL
1 stop17h 30m
United Airlines
Mon 11/166:15 am
OSL
- SEA
1 stop14h 55m
United Airlines
Deal found 5/16![United Airlines logo]()
$500
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:50 pm
SEA
- OSL
1 stop13h 50m
Delta
Sun 9/2011:50 am
OSL
- SEA
2 stops19h 15m
Delta
Deal found 5/17![Delta logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/123:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 8/38:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/16![Scandinavian Airlines logo]()
$678
This oojo deal was found by Cheapflights users on 5/16. 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 6/13:40 pm
SEA
- TRF
2 stops20h 30m
Multiple Airlines
Mon 6/223:30 pm
TRF
- SEA
2 stops38h 10m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 5/16. 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 stop14h 10m
United Airlines
Tue 9/296:55 am
OSL
- SEA
2 stops16h 27m
United Airlines
Deal found 5/16![United Airlines logo]()
$521
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:45 pm
SEA
- OSL
1 stop13h 35m
Delta
Tue 8/186:30 am
OSL
- SEA
2 stops18h 43m
Delta
Deal found 5/17![Delta logo]()
$612
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:13 pm
SEA
- OSL
2 stops39h 02m
United Airlines
Fri 9/46:25 am
OSL
- SEA
2 stops19h 34m
United Airlines
Deal found 5/16![United Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 5/13. 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 7/71:30 pm
SEA
- OSL
1 stop18h 10m
Delta
Tue 8/48:00 am
OSL
- SEA
2 stops24h 20m
Delta
Deal found 5/13![Delta logo]()
$612
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 5/15![Scandinavian Airlines logo]()
$689
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 United Airlines deal was found by Cheapflights users on 5/16. 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 11/110:45 am
SEA
- OSL
3 stops45h 25m
United Airlines
Tue 11/106:45 am
OSL
- SEA
2 stops23h 20m
United Airlines
Deal found 5/16![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 5/12. 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 9/169:05 am
SEA
- OSL
2 stops20h 00m
Delta
Fri 9/256:30 am
OSL
- SEA
1 stop13h 45m
Delta
Deal found 5/12![Delta logo]()
$664
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/3010:58 pm
SEA
- OSL
2 stops33h 17m
United Airlines
Mon 9/76:45 am
OSL
- SEA
2 stops35h 50m
United Airlines
Deal found 5/13![United Airlines logo]()
$646
This KAYAK deal was found by Cheapflights users on 5/13. 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
Thu 8/136:00 am
TRF
- SEA
2 stops26h 11m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$719
This oojo deal was found by Cheapflights users on 5/13. 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 7/611:25 pm
SEA
- TRF
2 stops36h 45m
Multiple Airlines
Wed 7/226:00 am
TRF
- SEA
2 stops23h 40m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$913
This Delta deal was found by Cheapflights users on 5/15. 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 6/299:30 am
SEA
- OSL
2 stops24h 05m
Delta
Thu 7/166:30 am
OSL
- SEA
2 stops22h 33m
Delta
Deal found 5/15![Delta logo]()
$700
This KAYAK deal was found by Cheapflights users on 5/13. 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 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/138:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$779
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. 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 5/14![Scandinavian Airlines logo]()
$779
This KAYAK deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/138:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 5/15![Scandinavian Airlines logo]()
$779
This Scandinavian Airlines deal was found by Cheapflights users on 5/13. 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 7/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Tue 8/116:00 am
TRF
- SEA
2 stops26h 11m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$789
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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.
Sat 5/233:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Sat 5/306:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/12![Scandinavian Airlines logo]()
$839
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:55 pm
SEA
- TRF
1 stop17h 10m
Scandinavian Airlines
Sat 7/115:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 5/15![Scandinavian Airlines logo]()
$849
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated May 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated May 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:50 pm
SEA
- OSL
1 stop14h 05m
United Airlines
Sun 5/247:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 5/15![United Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 5/176:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Sat 5/307:15 am
OSL
- SEA
1 stop18h 44m
Lufthansa
Deal found 5/13![Lufthansa logo]()
$489
This lastminute.com deal was found by Cheapflights users on 5/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:45 am
SEA
- OSL
2 stops41h 30m
Multiple Airlines
Sat 5/307:15 am
OSL
- SEA
1 stop18h 44m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$495
This Mytrip deal was found by Cheapflights users on 5/13. 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 5/178:00 am
SEA
- OSL
2 stops24h 55m
Multiple Airlines
Mon 6/16:45 am
OSL
- SEA
1 stop14h 35m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 5/16. 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 5/176:50 pm
SEA
- OSL
1 stop14h 05m
United Airlines
Sat 5/307:15 am
OSL
- SEA
1 stop18h 44m
United Airlines
Deal found 5/16![United Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/226:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Sat 5/307:15 am
OSL
- SEA
1 stop18h 44m
Lufthansa
Deal found 5/12![Lufthansa logo]()
$504
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 5/15![Scandinavian Airlines logo]()
$689
This Mytrip deal was found by Cheapflights users on 5/14. 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 6/23:00 pm
SEA
- OSL
2 stops18h 00m
Multiple Airlines
Mon 6/85:35 am
OSL
- SEA
2 stops21h 55m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$510
This Mytrip deal was found by Cheapflights users on 5/13. 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
Wed 6/107:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$516
This FlightHub deal was found by Cheapflights users on 5/14. 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 6/23:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Sat 6/66:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$638
This Mytrip deal was found by Cheapflights users on 5/16. 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 5/16![Multiple Airlines logo]()
$511
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 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 5/12![Scandinavian Airlines logo]()
$677
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 17, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated May 17, 2026.
This Mytrip deal was found by Cheapflights users on 5/14. 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 8/257:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/14![Icelandair logo]()
$194
This Booking.com deal was found by Cheapflights users on 5/16. 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 8/711:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 5/16![Icelandair logo]()
$199
This Gotogate deal was found by Cheapflights users on 5/14. 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 8/311:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 5/14![Icelandair logo]()
$204
This Air France deal was found by Cheapflights users on 5/16. 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 7/51:30 pm
SEA
- OSL
1 stop14h 10m
Air France
Deal found 5/16![Air France logo]()
$214
This Delta deal was found by Cheapflights users on 5/16. 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 9/221:45 pm
SEA
- OSL
2 stops20h 00m
Delta
Deal found 5/16![Delta logo]()
$219
This Mytrip deal was found by Cheapflights users on 5/16. 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
- OSL
1 stop11h 25m
Icelandair
Deal found 5/16![Icelandair logo]()
$222
This Mytrip deal was found by Cheapflights users on 5/14. 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 5/287:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/14![Icelandair logo]()
$225
This KLM deal was found by Cheapflights users on 5/15. 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 7/45:40 pm
SEA
- OSL
1 stop18h 15m
KLM
Deal found 5/15![KLM logo]()
$226
This Delta deal was found by Cheapflights users on 5/15. 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 7/47:15 am
SEA
- OSL
2 stops24h 10m
Delta
Deal found 5/15![Delta logo]()
$231
This Flightnetwork deal was found by Cheapflights users on 5/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 5/12![Icelandair logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 5/317:00 pm
SEA
- TRF
3 stops27h 40m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 5/3011:25 pm
SEA
- TRF
3 stops47h 15m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$312
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 17, 2026.
Round-trip from | $473 (Mytrip) |
|---|---|
One-way from | $194 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $547 |
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 17, 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
Fri 11/13
3:10 pm-5:40 pm
1 stop17h 30m
Oslo Gardermoen
Mon 11/16
6:15 am-12:10 pm
1 stop14h 55m
$500
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 9/15
6:50 pm-6:00 pm
1 stop14h 10m
Oslo Gardermoen
Tue 9/29
6:55 am-2:22 pm
2 stops16h 27m
$521
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 8/28
5:13 pm-5:15 pm
2 stops39h 02m
Oslo Gardermoen
Fri 9/4
6:25 am-4:59 pm
2 stops19h 34m
$565
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 9/8
9:50 pm-8:40 pm
1 stop13h 50m
Oslo Gardermoen
Sun 9/20
11:50 am-10:05 pm
2 stops19h 15m
$575
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/13
5:45 pm-4:20 pm
1 stop13h 35m
Oslo Gardermoen
Tue 8/18
6:30 am-4:13 pm
2 stops18h 43m
$612
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 7/7
1:30 pm-4:40 pm
1 stop18h 10m
Oslo Gardermoen
Tue 8/4
8:00 am-11:20 pm
2 stops24h 20m
$612
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 11/1
10:45 am-5:10 pm
3 stops45h 25m
Oslo Gardermoen
Tue 11/10
6:45 am-9:05 pm
2 stops23h 20m
$644
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 8/30
10:58 pm-5:15 pm
2 stops33h 17m
Oslo Gardermoen
Mon 9/7
6:45 am-9:35 am
2 stops35h 50m
$646
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/16
9:05 am-2:05 pm
2 stops20h 00m
Oslo Gardermoen
Fri 9/25
6:30 am-11:15 am
1 stop13h 45m
$664
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Sun 7/12
3:55 pm-8:25 pm
1 stop19h 30m
Oslo Sandefjord
Mon 8/3
8:55 pm-1:45 pm
1 stop25h 50m
$678
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 79 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 $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?
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 17, 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
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
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.
Browse thousands of different options on Cheapflights for your next trip
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 17, 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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$530 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$528 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$662 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$625 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$538 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$495 | Average$684 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$649 | FlexibilityNo cancel fee | On-time75% |