$199+ Cheap flights from Seattle (SEA) to Oslo
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Oslo with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Oslo
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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 August 25, 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 August 25, 2026.
This Ticket deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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.
Sun 9/273:55 pm -
1 stop13h 35m
Sat 10/106:00 am -
1 stop16h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$399
This Ticket deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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.
Sun 9/273:55 pm -
1 stop12h 00m
Sat 10/106:30 am -
1 stop16h 15m
Deal found 8/25![Scandinavian Airlines logo]()
$401
This oojo deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop13h 35m
Sat 10/106:00 am -
1 stop16h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$406
This oojo deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop12h 00m
Sat 10/107:00 am -
1 stop15h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$408
This oojo deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop12h 00m
Sun 10/119:55 am -
1 stop12h 50m
Deal found 8/20![Scandinavian Airlines logo]()
$412
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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.
Sat 10/33:55 pm -
1 stop31h 15m
Sun 10/118:00 am -
1 stop14h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$417
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/63:55 pm -
1 stop13h 35m
Fri 10/96:00 am -
1 stop16h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$435
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/63:55 pm -
1 stop12h 00m
Fri 10/97:30 pm -
1 stop27h 15m
Deal found 8/25![Scandinavian Airlines logo]()
$437
This oojo deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:35 pm -
1 stop12h 00m
Fri 12/181:10 pm -
1 stop12h 50m
Deal found 8/21![Icelandair logo]()
$447
This oojo deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
1 stop12h 00m
Thu 11/199:30 pm -
1 stop28h 30m
Deal found 8/21![Icelandair logo]()
$449
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:35 pm -
1 stop21h 00m
Mon 11/91:10 pm -
1 stop12h 50m
Deal found 8/20![Icelandair logo]()
$453
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:35 pm -
1 stop21h 00m
Sun 11/89:30 pm -
1 stop28h 30m
Deal found 8/20![Icelandair logo]()
$455
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 August 25, 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 August 25, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/63:55 pm -
1 stop23h 30m
Sat 10/106:00 am -
1 stop16h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:13 pm -
2 stops26h 42m
Tue 10/137:10 am -
1 stop18h 49m
Deal found 8/21![United Airlines logo]()
$507
This United deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:11 am -
2 stops26h 09m
Sun 10/117:10 am -
1 stop18h 49m
Deal found 8/21![Multiple Airlines logo]()
$533
This Icelandair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/212:35 pm -
1 stop12h 00m
Fri 2/261:10 pm -
1 stop12h 50m
Deal found 8/21![Icelandair logo]()
$603
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:00 am -
2 stops20h 10m
Sun 12/206:20 am -
1 stop17h 53m
Deal found 8/20![Delta logo]()
$647
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 2/11:50 pm -
1 stop16h 55m
Thu 2/46:15 am -
1 stop14h 45m
Deal found 8/24![United Airlines logo]()
$528
This Mytrip deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/43:55 pm -
3 stops20h 15m
Sat 10/103:30 pm -
2 stops31h 15m
Deal found 8/24![Multiple Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:13 pm -
2 stops33h 02m
Sun 10/1111:45 am -
1 stop14h 14m
Deal found 8/21![United Airlines logo]()
$531
This Scandinavian Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop13h 35m
Mon 10/196:00 am -
2 stops26h 04m
Deal found 8/23![Scandinavian Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/97:11 am -
2 stops26h 14m
Tue 9/296:55 am -
2 stops20h 37m
Deal found 8/24![United Airlines logo]()
$537
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/63:55 pm -
1 stop13h 35m
Wed 10/146:00 am -
2 stops25h 49m
Deal found 8/25![Scandinavian Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm -
3 stops44h 05m
Mon 9/286:45 am -
2 stops22h 52m
Deal found 8/21![United Airlines logo]()
$549
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/43:55 pm -
1 stop12h 00m
Mon 10/129:00 am -
2 stops22h 49m
Deal found 8/25![Scandinavian Airlines logo]()
$618
This Wideroe deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Wideroe is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:55 pm -
2 stops17h 05m
Sat 10/106:20 am -
2 stops16h 25m
Deal found 8/22![Multiple Airlines logo]()
$841
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:45 am -
2 stops23h 00m
Wed 12/301:55 pm -
2 stops40h 04m
Deal found 8/22![United Airlines logo]()
$694
This Scandinavian Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:24 am -
2 stops32h 01m
Wed 10/286:00 am -
2 stops25h 04m
Deal found 8/20![Scandinavian Airlines logo]()
$793
This Scandinavian Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:51 am -
2 stops28h 39m
Fri 11/66:00 am -
2 stops26h 04m
Deal found 8/20![Scandinavian Airlines logo]()
$802
This Scandinavian Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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.
Mon 2/112:00 pm -
2 stops41h 05m
Thu 2/42:35 pm -
2 stops40h 51m
Deal found 8/24![Scandinavian Airlines logo]()
$833
This Scandinavian Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:38 am -
2 stops21h 52m
Fri 10/96:00 am -
1 stop16h 45m
Deal found 8/20![Scandinavian Airlines logo]()
$844
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated August 25, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:40 am -
2 stops28h 30m
Sat 8/295:35 am -
2 stops26h 08m
Deal found 8/21![SWISS logo]()
$477
This oojo deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:40 pm -
1 stop11h 55m
Sun 8/304:30 pm -
1 stop34h 25m
Deal found 8/21![Icelandair logo]()
$488
This FlightHub deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:00 pm -
2 stops18h 00m
Tue 9/17:10 am -
1 stop18h 49m
Deal found 8/24![Lufthansa logo]()
$496
This oojo deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 pm -
1 stop11h 25m
Wed 10/71:50 pm -
1 stop13h 05m
Deal found 8/22![Icelandair logo]()
$504
This Cheapflightsfares deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:55 pm -
1 stop13h 35m
Tue 9/296:00 am -
1 stop16h 45m
Deal found 8/23![Scandinavian Airlines logo]()
$528
This Ticket deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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.
Sun 9/273:55 pm -
1 stop13h 35m
Sat 10/106:00 am -
1 stop16h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$399
This Ticket deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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.
Sun 9/273:55 pm -
1 stop12h 00m
Sat 10/106:30 am -
1 stop16h 15m
Deal found 8/25![Scandinavian Airlines logo]()
$401
This Gotogate deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/278:00 am -
2 stops24h 15m
Sat 10/106:45 am -
2 stops23h 19m
Deal found 8/25![Air Canada logo]()
$469
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/273:55 pm -
1 stop12h 00m
Fri 10/28:00 am -
1 stop14h 45m
Deal found 8/25![Scandinavian Airlines logo]()
$484
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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.
Sun 9/273:55 pm -
1 stop23h 25m
Sat 10/37:30 pm -
1 stop27h 15m
Deal found 8/25![Scandinavian Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/273:55 pm -
1 stop13h 35m
Mon 10/53:05 pm -
1 stop31h 40m
Deal found 8/25![Scandinavian Airlines logo]()
$601
This Booking.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:55 pm -
1 stop13h 35m
Sat 10/106:20 am -
2 stops16h 25m
Deal found 8/23![Multiple Airlines logo]()
$611
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 August 25, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This SmartFares deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop23h 30m
Deal found 8/24![Scandinavian Airlines logo]()
$199
This SmartFares deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop13h 10m
Deal found 8/24![Scandinavian Airlines logo]()
$199
This Flightnetwork deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:55 pm -
1 stop13h 35m
Deal found 8/22![Scandinavian Airlines logo]()
$206
This Flightnetwork deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:55 pm -
1 stop34h 10m
Deal found 8/22![Scandinavian Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/43:55 pm -
3 stops30h 45m
Deal found 8/24![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/93:55 pm -
3 stops54h 40m
Deal found 8/24![Multiple Airlines logo]()
$269
This Trip.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 pm -
2 stops36h 40m
Deal found 8/20![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 8/3111:25 pm -
3 stops47h 00m
Deal found 8/24![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 8/3111:25 pm -
3 stops47h 10m
Deal found 8/24![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 8/307:00 pm -
3 stops51h 45m
Deal found 8/24![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 8/307:00 pm -
3 stops51h 35m
Deal found 8/24![Multiple Airlines logo]()
$290
This Mytrip deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:40 pm -
1 stop14h 45m
Deal found 8/23![Icelandair logo]()
$300
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 August 25, 2026.
Round-trip from | $406 (oojo) |
|---|---|
One-way from | $199 (SmartFares) |
Popular in | December |
Cheapest in | January |
Average price | $612 |
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 August 25, 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
Tue 10/6
3:55 pm-12:25 am
1 stop23h 30m
Oslo Sandefjord
Sat 10/10
6:00 am-1:45 pm
1 stop16h 45m
$435
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 10/6
11:13 pm-10:55 am
2 stops26h 42m
Oslo Gardermoen
Tue 10/13
7:10 am-4:59 pm
1 stop18h 49m
$507
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Mon 2/1
1:50 pm-3:45 pm
1 stop16h 55m
Oslo Gardermoen
Thu 2/4
6:15 am-12:00 pm
1 stop14h 45m
$528
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sun 10/4
11:13 pm-5:15 pm
2 stops33h 02m
Oslo Gardermoen
Sun 10/11
11:45 am-4:59 pm
1 stop14h 14m
$531
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Mon 9/7
7:11 am-6:20 pm
2 stops26h 09m
Oslo Gardermoen
Sun 10/11
7:10 am-4:59 pm
1 stop18h 49m
$533
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 9/9
7:11 am-6:25 pm
2 stops26h 14m
Oslo Gardermoen
Tue 9/29
6:55 am-6:32 pm
2 stops20h 37m
$537
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 9/15
12:10 pm-5:15 pm
3 stops44h 05m
Oslo Gardermoen
Mon 9/28
6:45 am-8:37 pm
2 stops22h 52m
$549
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Sun 10/4
3:55 pm-9:10 pm
3 stops20h 15m
Oslo Sandefjord
Sat 10/10
3:30 pm-1:45 pm
2 stops31h 15m
$574
Quickest round-trip
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sun 2/21
2:35 pm-11:35 am
1 stop12h 00m
Oslo Gardermoen
Fri 2/26
1:10 pm-5:00 pm
1 stop12h 50m
$603
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Sun 10/4
3:55 pm-2:30 pm
1 stop13h 35m
Oslo Sandefjord
Mon 10/19
6:00 am-11:04 pm
2 stops26h 04m
$616
Showing 1-10 of 41 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-TRF
SEA-OSL
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-TRF
SEA-OSL
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 $420). Flying from Seattle to Oslo in December is currently the most expensive (average of $732). 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 $508 and $684 in October.The cheapest round-trip price found within the last 5 days was $406 on Scandinavian Airlines (Oct 4-Oct 10).
How far ahead should I book a flight from Seattle to Oslo?
The price you pay for your flight from Seattle to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated August 25, 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
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
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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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 August 25, 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 August 25, 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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$537 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$393 | Average$560 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$426 | Average$643 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$468 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$491 | Average$545 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$493 | Average$684 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$522 | Average$648 | FlexibilityNo cancel fee | On-time75% |