$315+ Cheap flights from Seattle (SEA) to Oslo
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Oslo with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 November 10, 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 November 10, 2026.
This Ticket deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
1 stop12h 00m
Tue 12/81:10 pm -
1 stop12h 50m
Deal found 11/5![Icelandair logo]()
$415
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/233:15 pm -
2 stops41h 25m
Tue 12/86:15 am -
2 stops36h 17m
Deal found 11/5![Air Canada logo]()
$473
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/233:15 pm -
2 stops41h 25m
Tue 12/811:50 am -
1 stop34h 10m
Deal found 11/5![Multiple Airlines logo]()
$475
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/22:50 pm -
1 stop17h 50m
Wed 12/96:15 am -
2 stops17h 22m
Deal found 11/9![Multiple Airlines logo]()
$476
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/18:40 am -
2 stops24h 00m
Tue 12/86:25 pm -
1 stop27h 35m
Deal found 11/6![Multiple Airlines logo]()
$478
This Justfly.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:15 pm -
2 stops41h 25m
Thu 12/101:00 pm -
2 stops43h 44m
Deal found 11/7![Multiple Airlines logo]()
$481
This FlightHub deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/23:15 pm -
2 stops41h 25m
Wed 12/96:15 am -
2 stops17h 22m
Deal found 11/9![Lufthansa logo]()
$486
This Cheapflightsfares deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 11/112:50 pm -
1 stop17h 50m
Sun 11/156:15 am -
1 stop14h 45m
Deal found 11/10![Lufthansa logo]()
$491
This FlightHub deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/23:15 pm -
2 stops41h 25m
Wed 12/166:15 am -
1 stop14h 45m
Deal found 11/9![Lufthansa logo]()
$492
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:35 pm -
1 stop12h 00m
Fri 12/41:10 pm -
1 stop12h 50m
Deal found 11/9![Icelandair logo]()
$494
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/1010:39 am -
2 stops18h 26m
Fri 12/186:00 am -
2 stops26h 24m
Deal found 11/9![Scandinavian Airlines logo]()
$723
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/92:50 pm -
2 stops24h 40m
Wed 12/166:00 am -
2 stops16h 00m
Deal found 11/9![Multiple Airlines logo]()
$741
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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/42:50 pm -
1 stop17h 50m
Mon 12/711:50 am -
2 stops33h 28m
Deal found 11/9![United Airlines logo]()
$500
This United deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/301:50 pm -
1 stop18h 40m
Sun 2/71:55 pm -
1 stop31h 05m
Deal found 11/5![Multiple Airlines logo]()
$559
This FlightHub deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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.
Thu 1/147:15 am -
2 stops21h 50m
Tue 1/192:35 pm -
2 stops40h 25m
Deal found 11/8![Scandinavian Airlines logo]()
$660
This oojo deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/61:50 pm -
2 stops16h 15m
Sun 12/139:05 am -
2 stops35h 55m
Deal found 11/6![Lufthansa logo]()
$753
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/42:50 pm -
1 stop17h 50m
Fri 12/1111:50 am -
2 stops31h 34m
Deal found 11/6![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/79:01 am -
2 stops23h 39m
Mon 12/146:15 am -
1 stop14h 45m
Deal found 11/7![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/82:05 pm -
2 stops18h 35m
Tue 12/1511:50 am -
2 stops30h 54m
Deal found 11/7![United Airlines logo]()
$505
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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.
Mon 2/17:15 am -
2 stops21h 50m
Mon 2/86:00 am -
2 stops25h 05m
Deal found 11/9![Scandinavian Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/106:15 am -
2 stops26h 25m
Tue 12/1511:50 am -
1 stop34h 10m
Deal found 11/7![United Airlines logo]()
$505
This Cheapflightsfares deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 1/317:15 am -
2 stops21h 50m
Mon 2/86:00 am -
2 stops25h 05m
Deal found 11/6![Scandinavian Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/92:05 pm -
2 stops18h 35m
Wed 12/1611:50 am -
2 stops20h 54m
Deal found 11/9![United Airlines logo]()
$505
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/92:50 pm -
2 stops24h 40m
Wed 12/166:00 am -
2 stops16h 00m
Deal found 11/9![Multiple Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 2/16:15 am -
2 stops26h 25m
Mon 2/86:15 am -
1 stop14h 45m
Deal found 11/9![United Airlines logo]()
$509
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/232:35 pm -
2 stops24h 55m
Tue 12/86:00 am -
2 stops20h 00m
Deal found 11/5![Multiple Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 1/3010:50 pm -
2 stops33h 20m
Sun 2/711:50 am -
2 stops22h 06m
Deal found 11/5![United Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/61:50 pm -
1 stop16h 55m
Sun 12/136:15 am -
1 stop14h 45m
Deal found 11/7![United Airlines logo]()
$519
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/22:50 pm -
2 stops24h 40m
Wed 12/166:00 am -
2 stops16h 00m
Deal found 11/6![Multiple Airlines logo]()
$839
This Scandinavian Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:39 am -
2 stops18h 26m
Thu 12/176:00 am -
2 stops26h 24m
Deal found 11/7![Scandinavian Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 11/132:50 pm -
1 stop17h 50m
Fri 11/201:55 pm -
1 stop31h 05m
Deal found 11/7![United Airlines logo]()
$530
This Scandinavian Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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.
Thu 12/1010:39 am -
2 stops18h 26m
Thu 12/176:00 am -
2 stops26h 24m
Deal found 11/7![Scandinavian Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/51:50 pm -
1 stop24h 50m
Sat 12/1211:50 am -
1 stop34h 10m
Deal found 11/6![United Airlines logo]()
$588
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated November 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” 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 11/112:50 pm -
1 stop17h 50m
Sun 11/156:15 am -
1 stop14h 45m
Deal found 11/10![Lufthansa logo]()
$491
This Ticket deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
1 stop12h 00m
Tue 12/81:10 pm -
1 stop12h 50m
Deal found 11/5![Icelandair logo]()
$415
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/233:15 pm -
2 stops41h 25m
Tue 12/86:15 am -
2 stops36h 17m
Deal found 11/5![Air Canada logo]()
$473
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 11/233:15 pm -
2 stops41h 25m
Tue 12/811:50 am -
1 stop34h 10m
Deal found 11/5![Multiple Airlines logo]()
$475
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:35 pm -
1 stop12h 00m
Fri 12/41:10 pm -
1 stop12h 50m
Deal found 11/9![Icelandair logo]()
$494
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 12/18:40 am -
2 stops24h 00m
Tue 12/86:25 pm -
1 stop27h 35m
Deal found 11/6![Multiple Airlines logo]()
$478
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/22:50 pm -
1 stop17h 50m
Wed 12/96:15 am -
2 stops17h 22m
Deal found 11/9![Multiple Airlines logo]()
$476
This Justfly.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:15 pm -
2 stops41h 25m
Thu 12/101:00 pm -
2 stops43h 44m
Deal found 11/7![Multiple Airlines logo]()
$481
This FlightHub deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/23:15 pm -
2 stops41h 25m
Wed 12/96:15 am -
2 stops17h 22m
Deal found 11/9![Lufthansa logo]()
$486
This FlightHub deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/23:15 pm -
2 stops41h 25m
Wed 12/166:15 am -
1 stop14h 45m
Deal found 11/9![Lufthansa logo]()
$492
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/92:50 pm -
2 stops24h 40m
Wed 12/166:00 am -
2 stops16h 00m
Deal found 11/9![Multiple Airlines logo]()
$741
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” 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 12/1010:39 am -
2 stops18h 26m
Fri 12/186:00 am -
2 stops26h 24m
Deal found 11/9![Scandinavian Airlines logo]()
$723
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 November 10, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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.
Thu 12/102:35 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Icelandair logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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.
Thu 12/102:35 pm -
3 stops34h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$368
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 11/242:35 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Icelandair logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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.
Thu 12/102:35 pm -
2 stops19h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 11/2410:18 am -
3 stops40h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 11/242:35 pm -
3 stops45h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$489
This Justfly.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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.
Tue 11/247:45 am -
2 stops24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Air Canada logo]()
$510
This Air France deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:10 pm -
1 stop20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Air France logo]()
$513
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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 12/2411:59 am -
2 stops19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Delta logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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.
Thu 12/242:35 pm -
3 stops38h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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.
Thu 12/242:35 pm -
3 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 1/15:52 pm -
3 stops52h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$1,211
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 November 10, 2026.
Round-trip from | $415 (Ticket) |
|---|---|
One-way from | $315 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $513 |
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 7,457,451 searches. Data last updated November 10, 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 Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Thu 12/10
2:35 pm-9:50 am
3 stops34h 15m
Oslo Sandefjord
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$368
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Thu 12/10
2:35 pm-7:30 pm
2 stops19h 55m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$415
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 11/24
10:18 am-11:35 am
3 stops40h 17m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$452
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Tue 11/24
2:35 pm-8:45 pm
3 stops45h 10m
Oslo Sandefjord
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$489
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Fri 12/4
2:50 pm-5:40 pm
1 stop17h 50m
Oslo Gardermoen
Mon 12/7
11:50 am-12:18 pm
2 stops33h 28m
$500
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Fri 12/4
2:50 pm-5:40 pm
1 stop17h 50m
Oslo Gardermoen
Fri 12/11
11:50 am-10:24 am
2 stops31h 34m
$500
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Mon 12/7
9:01 am-5:40 pm
2 stops23h 39m
Oslo Gardermoen
Mon 12/14
6:15 am-12:00 pm
1 stop14h 45m
$502
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 12/8
2:05 pm-5:40 pm
2 stops18h 35m
Oslo Gardermoen
Tue 12/15
11:50 am-9:44 am
2 stops30h 54m
$505
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Thu 12/10
6:15 am-5:40 pm
2 stops26h 25m
Oslo Gardermoen
Tue 12/15
11:50 am-1:00 pm
1 stop34h 10m
$505
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 12/9
2:05 pm-5:40 pm
2 stops18h 35m
Oslo Gardermoen
Wed 12/16
11:50 am-11:44 pm
2 stops20h 54m
$505
Showing 1-10 of 34 resultsSorted by cheapest first
Best time to book a flight from Seattle to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from Seattle with our price prediction graph.
SEA-OS1
SEA-OSL
SEA-TRF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Oslo
SEA-OS1
SEA-OSL
SEA-TRF
What is the cheapest month to book a flight from Seattle to Oslo?
Currently, January is the cheapest month in which you can book a flight from Seattle to Oslo (average of $500). Flying from Seattle to Oslo in December is currently the most expensive (average of $798). 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?
Airfare is below average for this route at the moment.
Seattle to Oslo flights typically cost between $476 and $663 in November.The cheapest round-trip price found within the last 5 days was $415 on Icelandair (Nov 23-Dec 8).
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 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated November 10, 2026.
See what other customers who have flown with KLM,Delta, andScandinavian Airlines 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.
Comfort
7.7
Entertainment
7.2
Food
7.4
Boarding
7.8
Overall
7.8
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.4
Boarding
7.8
Overall
7.8
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.4
Boarding
7.8
Overall
7.8
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.4
Boarding
7.8
Overall
7.8
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.4
Boarding
7.8
Overall
7.8
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.4
Boarding
7.8
Overall
7.8
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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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Complete your trip
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Search flights from Seattle to Oslo by cabin class
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Seattle and Oslo flights
Browse other Seattle and Oslo flight options. Last updated on November 10, 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 November 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Seattle to Oslo
Discover the top 8 airlines that operate flights from Seattle to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$598 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$397 | Average$588 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$426 | Average$668 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$523 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$493 | Average$640 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$734 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$499 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$522 | Average$648 | FlexibilityNo cancel fee | On-time75% |