$232+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Nov 29 — Dec 61
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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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 October 30, 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 October 30, 2026.
This Ticket deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 10/26![Icelandair logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/82:35 pm -
1 stop12h 00m
Tue 12/151:10 pm -
1 stop12h 50m
Deal found 10/27![Icelandair logo]()
$424
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/162:35 pm -
1 stop12h 00m
Tue 11/241:10 pm -
1 stop12h 50m
Deal found 10/28![Icelandair logo]()
$443
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops24h 42m
Deal found 10/29![Multiple Airlines logo]()
$475
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:40 am -
2 stops24h 00m
Tue 12/156:25 pm -
1 stop27h 35m
Deal found 10/30![Multiple Airlines logo]()
$482
This Gotogate deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Tue 12/110:10 am -
2 stops22h 30m
Sat 12/56:15 am -
1 stop14h 45m
Deal found 10/26![Multiple Airlines logo]()
$483
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:50 pm -
1 stop17h 50m
Fri 12/41:00 pm -
2 stops40h 47m
Deal found 10/29![Multiple Airlines logo]()
$487
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:27 am -
2 stops21h 38m
Tue 12/86:00 am -
2 stops26h 09m
Deal found 10/29![Scandinavian Airlines logo]()
$664
This Travelocity deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:27 am -
2 stops21h 38m
Fri 12/46:00 am -
2 stops26h 09m
Deal found 10/28![Scandinavian Airlines logo]()
$685
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Fri 12/257:15 am -
2 stops21h 50m
Wed 1/62:35 pm -
2 stops41h 40m
Deal found 10/29![Scandinavian Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/267:27 am -
2 stops21h 38m
Fri 12/46:00 am -
2 stops26h 09m
Deal found 10/26![Scandinavian Airlines logo]()
$701
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:40 am -
3 stops20h 25m
Fri 12/46:00 am -
2 stops16h 00m
Deal found 10/29![Multiple Airlines logo]()
$710
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 October 30, 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 October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/108:09 am -
2 stops17h 51m
Sun 11/156:15 am -
1 stop14h 45m
Deal found 10/26![United Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/14:05 pm -
1 stop15h 05m
Sat 12/56:15 am -
1 stop16h 35m
Deal found 10/26![Delta logo]()
$599
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/102:30 pm -
2 stops25h 00m
Sun 3/142:35 pm -
2 stops39h 51m
Deal found 10/29![Scandinavian Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/85:05 am -
2 stops27h 35m
Tue 12/1511:50 am -
2 stops37h 32m
Deal found 10/28![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/87:00 am -
2 stops25h 40m
Fri 2/126:15 am -
2 stops25h 44m
Deal found 10/29![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1010:45 pm -
2 stops34h 30m
Sun 4/187:00 am -
1 stop19h 20m
Deal found 10/25![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/229:55 pm -
2 stops25h 50m
Thu 1/146:05 am -
1 stop14h 44m
Deal found 10/28![Delta logo]()
$660
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/297:15 am -
2 stops32h 15m
Wed 1/62:35 pm -
2 stops40h 25m
Deal found 10/27![Scandinavian Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:00 am -
2 stops25h 45m
Thu 2/46:15 am -
1 stop14h 45m
Deal found 10/29![United Airlines logo]()
$530
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1112:00 pm -
2 stops27h 30m
Sun 3/142:35 pm -
2 stops39h 51m
Deal found 10/29![Scandinavian Airlines logo]()
$699
This Scandinavian Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/97:20 am -
2 stops21h 45m
Wed 1/62:35 pm -
2 stops40h 29m
Deal found 10/25![Scandinavian Airlines logo]()
$699
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:15 am -
2 stops21h 50m
Thu 2/42:35 pm -
2 stops40h 30m
Deal found 10/29![Scandinavian Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:00 am -
3 stops23h 45m
Mon 2/159:35 am -
2 stops19h 52m
Deal found 10/25![United Airlines logo]()
$654
This Scandinavian Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 12/107:20 am -
2 stops21h 45m
Wed 1/62:35 pm -
2 stops40h 29m
Deal found 10/25![Scandinavian Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/25. 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 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
Thu 12/176:15 am -
2 stops39h 45m
Deal found 10/25![United Airlines logo]()
$660
This Scandinavian Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1112:00 pm -
2 stops27h 30m
Tue 3/166:00 am -
2 stops24h 02m
Deal found 10/30![Scandinavian Airlines logo]()
$699
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/287:15 am -
2 stops21h 50m
Wed 1/62:35 pm -
2 stops40h 25m
Deal found 10/27![Scandinavian Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/201:12 pm -
3 stops43h 18m
Tue 1/126:15 am -
3 stops41h 11m
Deal found 10/28![United Airlines logo]()
$938
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated October 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop17h 50m
Thu 12/36:15 am -
1 stop14h 45m
Deal found 10/30![Lufthansa logo]()
$492
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop17h 50m
Sat 12/56:15 am -
1 stop14h 45m
Deal found 10/30![United Airlines logo]()
$497
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/162:35 pm -
1 stop12h 00m
Tue 11/241:10 pm -
1 stop12h 50m
Deal found 10/28![Icelandair logo]()
$443
This Ticket deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 10/26![Icelandair logo]()
$414
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops24h 42m
Deal found 10/29![Multiple Airlines logo]()
$475
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:27 am -
2 stops21h 38m
Tue 12/86:00 am -
2 stops26h 09m
Deal found 10/29![Scandinavian Airlines logo]()
$664
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:10 am -
2 stops22h 30m
Thu 12/36:15 am -
1 stop14h 45m
Deal found 10/29![Multiple Airlines logo]()
$486
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:35 pm -
1 stop12h 00m
Fri 12/41:10 pm -
1 stop12h 50m
Deal found 10/29![Icelandair logo]()
$495
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/267:27 am -
2 stops21h 38m
Fri 12/46:00 am -
2 stops26h 09m
Deal found 10/26![Scandinavian Airlines logo]()
$701
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:50 pm -
1 stop17h 50m
Fri 12/41:00 pm -
2 stops40h 47m
Deal found 10/29![Multiple Airlines logo]()
$487
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo 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 10/29![Icelandair logo]()
$493
This Travelocity deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:27 am -
2 stops21h 38m
Fri 12/46:00 am -
2 stops26h 09m
Deal found 10/28![Scandinavian Airlines logo]()
$685
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 October 30, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/252:35 pm -
1 stop21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Icelandair logo]()
$232
This deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/12:35 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Icelandair logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/203:40 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Icelandair logo]()
$253
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/223:35 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Icelandair logo]()
$271
This oojo deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/237:00 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Icelandair logo]()
$290
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/272:35 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Icelandair logo]()
$296
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 4/247:00 pm -
1 stop32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Icelandair logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/207:00 pm -
3 stops27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 4/267:00 pm -
2 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$320
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/207:00 pm -
1 stop32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Icelandair logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 4/267:00 pm -
3 stops27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/207:00 pm -
3 stops27h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$327
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 October 30, 2026.
Round-trip from | $414 (Ticket) |
|---|---|
One-way from | $232 (Mytrip) |
Popular in | December |
Cheapest in | January |
Average price | $526 |
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 October 30, 2026.
Use the filters below to find and compare flights from Seattle to Oslo that are best for you.
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SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 4/20
3:40 pm-12:35 pm
1 stop11h 55m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$235
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sat 3/20
7:00 pm-11:35 am
1 stop32h 35m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$326
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Tue 4/20
7:00 pm-7:30 am
3 stops27h 30m
Oslo Sandefjord
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$327
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sat 4/24
10:40 pm-5:55 pm
2 stops34h 15m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$346
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sat 3/20
7:00 pm-3:45 pm
2 stops36h 45m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$349
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Tue 11/24
2:35 pm-7:15 pm
3 stops43h 40m
Oslo Sandefjord
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$351
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Mon 3/22
2:42 pm-5:40 pm
3 stops42h 58m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$362
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Sat 4/24
3:40 pm-6:55 pm
2 stops18h 15m
Oslo Sandefjord
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$373
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Mon 3/22
3:35 pm-7:10 pm
2 stops19h 35m
Oslo Sandefjord
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$376
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sat 3/20
2:40 pm-7:40 pm
1 stop21h 00m
Oslo Gardermoen
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$378
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 $484). Flying from Seattle to Oslo in December is currently the most expensive (average of $776). 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 $414 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 October 30, 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.
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.4
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.4
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.4
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.4
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.4
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Food
7.4
Comfort
7.7
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
See prices for flight routes from nearby airports that may be better suited for you.
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 October 30, 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 October 30, 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$574 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$395 | Average$587 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$426 | Average$667 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$514 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$493 | Average$640 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$736 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$499 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$522 | Average$648 | FlexibilityNo cancel fee | On-time75% |