$137+ Cheap flights from Seattle (SEA) to Oslo
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Jul 15 — Jul 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 June 15, 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 June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 8/254:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 6/15![Icelandair logo]()
$514
This Icelandair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Thu 9/31:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 6/15![Icelandair logo]()
$515
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am
SEA
- OSL
2 stops25h 10m
United Airlines
Tue 11/106:45 am
OSL
- SEA
2 stops37h 14m
United Airlines
Deal found 6/15![United Airlines logo]()
$516
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Wed 9/91:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 6/12![Icelandair logo]()
$517
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:54 pm
SEA
- OSL
2 stops21h 11m
United Airlines
Mon 9/76:45 am
OSL
- SEA
2 stops22h 33m
United Airlines
Deal found 6/12![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:50 pm
SEA
- OSL
1 stop14h 10m
United Airlines
Tue 9/296:55 am
OSL
- SEA
2 stops20h 37m
United Airlines
Deal found 6/11![United Airlines logo]()
$519
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am
SEA
- OSL
2 stops25h 30m
Lufthansa
Tue 11/106:25 pm
OSL
- SEA
1 stop27h 35m
Lufthansa
Deal found 6/15![Lufthansa logo]()
$520
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:58 pm
SEA
- OSL
2 stops33h 17m
United Airlines
Sat 9/126:45 am
OSL
- SEA
2 stops25h 51m
United Airlines
Deal found 6/10![United Airlines logo]()
$522
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
SEA
- OSL
2 stops19h 20m
Multiple Airlines
Wed 9/236:35 am
OSL
- SEA
1 stop14h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:26 pm
SEA
- OSL
2 stops38h 49m
United Airlines
Wed 9/237:10 am
OSL
- SEA
2 stops23h 05m
United Airlines
Deal found 6/12![United Airlines logo]()
$524
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/153:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 9/296:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 6/11![Scandinavian Airlines logo]()
$645
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/208:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$686
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 June 15, 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 June 15, 2026.
This Icelandair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Mon 8/244:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 6/15![Icelandair logo]()
$516
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am
SEA
- OSL
2 stops25h 10m
United Airlines
Tue 11/106:45 am
OSL
- SEA
2 stops37h 14m
United Airlines
Deal found 6/14![United Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:55 pm
SEA
- OSL
2 stops25h 20m
Lufthansa
Wed 8/267:10 am
OSL
- SEA
1 stop18h 49m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$594
This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:45 pm
SEA
- OSL
1 stop13h 45m
KLM
Thu 7/168:00 am
OSL
- SEA
1 stop17h 20m
KLM
Deal found 6/12![KLM logo]()
$614
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:15 am
SEA
- OSL
2 stops16h 30m
Delta
Fri 9/2511:50 am
OSL
- SEA
2 stops20h 00m
Delta
Deal found 6/11![Delta logo]()
$616
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/208:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Tue 9/296:55 am
OSL
- SEA
2 stops16h 27m
United Airlines
Deal found 6/13![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am
SEA
- OSL
2 stops25h 15m
United Airlines
Sat 10/106:15 am
OSL
- SEA
2 stops36h 37m
United Airlines
Deal found 6/12![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:04 pm
SEA
- OSL
2 stops28h 11m
United Airlines
Thu 8/271:05 pm
OSL
- SEA
1 stop31h 50m
United Airlines
Deal found 6/13![United Airlines logo]()
$556
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/208:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$686
This oojo deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:10 pm
SEA
- TRF
2 stops22h 00m
Lufthansa
Sat 10/173:30 pm
TRF
- SEA
2 stops29h 50m
Lufthansa
Deal found 6/14![Lufthansa logo]()
$752
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:40 am
SEA
- OSL
2 stops27h 55m
United Airlines
Tue 10/276:15 am
OSL
- SEA
2 stops39h 45m
United Airlines
Deal found 6/13![United Airlines logo]()
$566
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 7/178:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$706
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 7/178:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$706
This AirNGo deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 8/216:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 6/15![Scandinavian Airlines logo]()
$723
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Fri 9/113:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 6/12![Scandinavian Airlines logo]()
$728
This Scandinavian Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Thu 8/136:00 am
TRF
- SEA
2 stops35h 31m
Scandinavian Airlines
Deal found 6/14![Scandinavian Airlines logo]()
$753
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Tue 8/253:05 pm
TRF
- SEA
2 stops37h 50m
Scandinavian Airlines
Deal found 6/11![Scandinavian Airlines logo]()
$758
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:55 pm
SEA
- TRF
1 stop17h 10m
Scandinavian Airlines
Mon 7/208:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$766
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Fri 9/113:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 6/12![Scandinavian Airlines logo]()
$778
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated June 15, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:20 pm
SEA
- OSL
2 stops37h 35m
Lufthansa
Mon 6/229:55 am
OSL
- SEA
1 stop35h 25m
Lufthansa
Deal found 6/14![Lufthansa logo]()
$583
This United deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:45 am
SEA
- OSL
2 stops25h 10m
Multiple Airlines
Sat 6/277:15 pm
OSL
- SEA
1 stop26h 05m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$611
This Ticket deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:45 pm
SEA
- OSL
1 stop13h 35m
KLM
Thu 7/98:00 am
OSL
- SEA
1 stop17h 20m
KLM
Deal found 6/15![KLM logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Tue 7/211:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 6/13![Icelandair logo]()
$553
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/208:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$686
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 7/178:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$706
This oojo deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 7/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 6/15![Icelandair logo]()
$566
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:45 pm
SEA
- OSL
1 stop19h 50m
Delta
Sun 7/196:30 am
OSL
- SEA
1 stop14h 03m
Delta
Deal found 6/14![Delta logo]()
$615
This oojo deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:55 pm
SEA
- TRF
1 stop15h 40m
Scandinavian Airlines
Sat 7/185:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$722
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:40 pm
SEA
- OSL
1 stop18h 15m
KLM
Sat 7/256:30 am
OSL
- SEA
1 stop14h 03m
KLM
Deal found 6/11![KLM logo]()
$614
This Air France deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:30 pm
SEA
- OSL
1 stop13h 20m
Multiple Airlines
Wed 7/298:00 am
OSL
- SEA
1 stop17h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/225:15 pm
SEA
- OSL
2 stops39h 00m
United Airlines
Wed 8/56:35 am
OSL
- SEA
1 stop14h 20m
United Airlines
Deal found 6/11![United Airlines logo]()
$563
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 June 15, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:35 pm
SEA
- OSL
1 stop11h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$137
This oojo deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Deal found 6/13![Icelandair logo]()
$194
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 6/15![Icelandair logo]()
$204
This Mytrip deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 6/15![Icelandair logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 6/15![Icelandair logo]()
$213
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/307:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 6/11![Icelandair logo]()
$219
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 6/10![Icelandair logo]()
$220
This Air France deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:30 pm
SEA
- OSL
1 stop16h 05m
Air France
Deal found 6/15![Air France logo]()
$228
This Gotogate deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 6/14![Icelandair logo]()
$232
This deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Deal found 6/14![Icelandair logo]()
$238
This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:45 pm
SEA
- OSL
1 stop16h 40m
KLM
Deal found 6/12![KLM logo]()
$239
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:05 am
SEA
- OSL
2 stops17h 40m
Delta
Deal found 6/15![Delta logo]()
$244
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 June 15, 2026.
Round-trip from | $514 (Kiwi.com) |
|---|---|
One-way from | $137 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $692 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Seattle to Oslo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 8/15
11:25 pm-3:25 pm
1 stop31h 00m
Oslo Gardermoen
Mon 8/24
4:30 pm-8:40 pm
1 stop13h 10m
$516
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 11/1
7:00 am-5:10 pm
2 stops25h 10m
Oslo Gardermoen
Tue 11/10
6:45 am-10:59 am
2 stops37h 14m
$516
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 9/15
6:50 pm-10:05 pm
1 stop18h 15m
Oslo Gardermoen
Tue 9/29
6:55 am-2:22 pm
2 stops16h 27m
$519
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 9/21
7:00 am-5:15 pm
2 stops25h 15m
Oslo Gardermoen
Sat 10/10
6:15 am-9:52 am
2 stops36h 37m
$527
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 8/24
11:04 pm-12:15 pm
2 stops28h 11m
Oslo Gardermoen
Thu 8/27
1:05 pm-11:55 am
1 stop31h 50m
$556
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 10/23
5:40 am-6:35 pm
2 stops27h 55m
Oslo Gardermoen
Tue 10/27
6:15 am-2:00 pm
2 stops39h 45m
$566
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 8/3
1:55 pm-12:15 am
2 stops25h 20m
Oslo Gardermoen
Wed 8/26
7:10 am-4:59 pm
1 stop18h 49m
$594
Quickest round-trip
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 7/9
1:45 pm-12:30 pm
1 stop13h 45m
Oslo Gardermoen
Thu 7/16
8:00 am-4:20 pm
1 stop17h 20m
$614
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/16
7:15 am-8:45 am
2 stops16h 30m
Oslo Gardermoen
Fri 9/25
11:50 am-10:50 pm
2 stops20h 00m
$616
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Tue 7/7
3:55 pm-8:25 pm
1 stop19h 30m
Oslo Sandefjord
Mon 7/20
8:55 pm-1:45 pm
1 stop25h 50m
$686
Showing 1-10 of 37 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, September is the cheapest month in which you can book a flight from Seattle to Oslo (average of $245). Flying from Seattle to Oslo in June is currently the most expensive (average of $468). 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?
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 June 15, 2026.
See what other customers who have flown with Delta,Scandinavian Airlines, andIcelandair from Seattle to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
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 June 15, 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 June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Seattle to Oslo
Discover the top 7 airlines that operate flights from Seattle to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$515 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$393 | Average$541 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$644 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$640 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$493 | Average$642 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$625 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$510 | Average$542 | FlexibilityNo cancel fee | On-time69% |