$196+ Cheap flights from Seattle (SEA) to Oslo
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Jun 27 — Jul 41
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Oslo with Cheapflights
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Cheapest flights from Seattle to OsloExplore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.
Explore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 10/181:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 5/24![Icelandair logo]()
$447
This oojo deal was found by Cheapflights users on 5/25. 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.
Wed 10/73:40 pm
SEA
- OSL
1 stop11h 35m
Icelandair
Wed 10/211:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/25![Icelandair logo]()
$448
This oojo deal was found by Cheapflights users on 5/25. 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 10/113:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Sat 10/171:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/25![Icelandair logo]()
$449
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Wed 10/211:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/25![Icelandair logo]()
$454
This oojo deal was found by Cheapflights users on 5/25. 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.
Wed 9/211:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Tue 9/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$455
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 9/64:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 5/24![Icelandair logo]()
$463
This oojo deal was found by Cheapflights users on 5/25. 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.
Sat 9/193:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Sat 9/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$464
This deal was found by Cheapflights users on 5/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Mon 9/74:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$465
This oojo deal was found by Cheapflights users on 5/25. 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.
Tue 9/87:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 9/204:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$467
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Tue 9/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 9/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$469
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Tue 9/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Wed 9/164:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 5/25![Icelandair logo]()
$470
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 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 5/25![Scandinavian Airlines logo]()
$646
Best flights from Seattle to OsloDiscover carefully curated flight deals from Seattle to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 28, 2026.
Discover carefully curated flight deals from Seattle to Oslo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 28, 2026.
This Delta deal was found by Cheapflights users on 5/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:50 pm
SEA
- OSL
1 stop13h 50m
Delta
Tue 9/296:30 am
OSL
- SEA
1 stop13h 45m
Delta
Deal found 5/23![Delta logo]()
$515
This Icelandair deal was found by Cheapflights users on 5/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Mon 8/311:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 5/25![Icelandair logo]()
$521
This United Airlines deal was found by Cheapflights users on 5/25. 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 9/156:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Tue 9/296:55 am
OSL
- SEA
2 stops35h 57m
United Airlines
Deal found 5/25![United Airlines logo]()
$521
This KLM deal was found by Cheapflights users on 5/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:50 pm
SEA
- OSL
1 stop13h 40m
KLM
Fri 9/258:00 am
OSL
- SEA
1 stop17h 35m
KLM
Deal found 5/25![KLM logo]()
$525
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 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 5/25![Scandinavian Airlines logo]()
$646
This KLM deal was found by Cheapflights users on 5/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:40 pm
SEA
- TRF
2 stops18h 30m
Multiple Airlines
Sat 10/312:35 pm
TRF
- SEA
2 stops33h 46m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$770
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:05 pm
SEA
- OSL
1 stop17h 15m
Delta
Tue 11/106:25 am
OSL
- SEA
2 stops19h 10m
Delta
Deal found 5/24![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:10 pm
SEA
- OSL
1 stop19h 10m
United Airlines
Fri 10/167:15 am
OSL
- SEA
1 stop18h 44m
United Airlines
Deal found 5/27![United Airlines logo]()
$525
This KLM deal was found by Cheapflights users on 5/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:40 pm
SEA
- OSL
1 stop18h 15m
KLM
Fri 9/258:00 am
OSL
- SEA
1 stop17h 35m
KLM
Deal found 5/27![KLM logo]()
$575
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 am
SEA
- OSL
2 stops18h 45m
Delta
Sat 10/176:30 am
OSL
- SEA
1 stop14h 22m
Delta
Deal found 5/25![Delta logo]()
$530
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Thu 8/207:00 am
SEA
- OSL
2 stops26h 15m
United Airlines
Sun 9/66:25 am
OSL
- SEA
2 stops25h 23m
United Airlines
Deal found 5/24![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:00 am
SEA
- OSL
2 stops24h 35m
United Airlines
Thu 9/106:45 am
OSL
- SEA
1 stop14h 10m
United Airlines
Deal found 5/27![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 5/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:50 pm
SEA
- OSL
1 stop13h 50m
Delta
Mon 9/289:20 am
OSL
- SEA
2 stops19h 53m
Delta
Deal found 5/23![Delta logo]()
$556
This oojo deal was found by Cheapflights users on 5/25. 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 10/113:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Sat 10/312:35 pm
TRF
- SEA
2 stops40h 37m
Scandinavian Airlines
Deal found 5/25![Scandinavian Airlines logo]()
$733
This oojo deal was found by Cheapflights users on 5/26. 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.
Fri 8/143:40 pm
SEA
- TRF
2 stops17h 55m
Multiple Airlines
Mon 8/176:25 pm
TRF
- SEA
2 stops35h 15m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$824
This Scandinavian Airlines deal was found by Cheapflights users on 5/23. 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.
Wed 11/49:50 am
SEA
- TRF
2 stops29h 40m
Scandinavian Airlines
Sat 11/76:00 am
TRF
- SEA
2 stops25h 12m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$804
This Icelandair deal was found by Cheapflights users on 5/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 pm
SEA
- TRF
2 stops14h 00m
Multiple Airlines
Sat 10/1712:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$881
This oojo deal was found by Cheapflights users on 5/27. 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.
Tue 8/183:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Thu 8/273:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$846
This Scandinavian Airlines deal was found by Cheapflights users on 5/23. 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 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Wed 8/196:00 am
TRF
- SEA
2 stops24h 48m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$869
This oojo deal was found by Cheapflights users on 5/25. 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.
Sat 8/223:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Sat 8/296:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 5/25![Scandinavian Airlines logo]()
$898
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated May 28, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/23. 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 5/272:55 pm
SEA
- OSL
2 stops22h 10m
Multiple Airlines
Wed 6/1011:45 am
OSL
- SEA
1 stop14h 14m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$523
This Flightnetwork deal was found by Cheapflights users on 5/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Wed 6/1011:45 am
OSL
- SEA
1 stop14h 14m
Lufthansa
Deal found 5/26![Lufthansa logo]()
$521
This Ticket deal was found by Cheapflights users on 5/25. 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.
Mon 6/111:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Mon 6/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$485
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Tue 6/26:50 pm
SEA
- OSL
1 stop18h 15m
Multiple Airlines
Sat 6/67:15 am
OSL
- SEA
2 stops24h 25m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$516
This Flightnetwork deal was found by Cheapflights users on 5/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Mon 6/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/26![Icelandair logo]()
$514
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1011:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Wed 6/171:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 5/24![Icelandair logo]()
$517
This Justfly.com deal was found by Cheapflights users on 5/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Wed 6/171:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 5/23![Icelandair logo]()
$520
This oojo deal was found by Cheapflights users on 5/27. 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.
Sun 6/147:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Sun 6/219:25 pm
TRF
- SEA
2 stops29h 30m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$795
This Gotogate deal was found by Cheapflights users on 5/25. 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 6/213:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Fri 8/214:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 5/25![Icelandair logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Mon 6/223:00 pm
SEA
- OSL
2 stops22h 05m
Lufthansa
Sat 8/226:45 pm
OSL
- SEA
1 stop31h 14m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$504
This oojo deal was found by Cheapflights users on 5/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Wed 8/199:25 pm
TRF
- SEA
2 stops32h 15m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$764
This Travelocity deal was found by Cheapflights users on 5/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Wed 9/236:00 am
TRF
- SEA
2 stops22h 05m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$785
One-way flights from Seattle to OsloSearch for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 5/24![Icelandair logo]()
$196
This oojo deal was found by Cheapflights users on 5/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 5/23![Icelandair logo]()
$197
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Tue 10/137:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/27![Icelandair logo]()
$213
This Delta deal was found by Cheapflights users on 5/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:50 pm
SEA
- OSL
1 stop13h 50m
Delta
Deal found 5/23![Delta logo]()
$214
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Tue 9/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/27![Icelandair logo]()
$218
This oojo deal was found by Cheapflights users on 5/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 5/23![Icelandair logo]()
$222
This KLM deal was found by Cheapflights users on 5/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:45 pm
SEA
- OSL
1 stop15h 40m
KLM
Deal found 5/26![KLM logo]()
$225
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Mon 8/247:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 5/27![Icelandair logo]()
$227
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:15 am
SEA
- OSL
2 stops18h 50m
Delta
Deal found 5/24![Delta logo]()
$230
This Air France deal was found by Cheapflights users on 5/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:30 pm
SEA
- OSL
1 stop16h 05m
Air France
Deal found 5/23![Air France logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 8/247:00 pm
SEA
- TRF
3 stops27h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Tue 8/253:40 pm
SEA
- TRF
3 stops30h 45m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$269
Find flight deals from Seattle to Oslo
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 28, 2026.
Round-trip from | $447 (oojo) |
|---|---|
One-way from | $196 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $548 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 28, 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
Quickest round-trip
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 9/15
9:50 pm-8:40 pm
1 stop13h 50m
Oslo Gardermoen
Tue 9/29
6:30 am-11:15 am
1 stop13h 45m
$515
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 8/21
3:40 pm-12:35 pm
1 stop11h 55m
Oslo Gardermoen
Mon 8/31
1:50 pm-8:40 pm
1 stop15h 50m
$521
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-9:52 am
2 stops35h 57m
$521
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 11/1
2:05 pm-4:20 pm
1 stop17h 15m
Oslo Gardermoen
Tue 11/10
6:25 am-4:35 pm
2 stops19h 10m
$524
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/16
1:50 pm-12:30 pm
1 stop13h 40m
Oslo Gardermoen
Fri 9/25
8:00 am-4:35 pm
1 stop17h 35m
$525
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 10/12
2:10 pm-6:20 pm
1 stop19h 10m
Oslo Gardermoen
Fri 10/16
7:15 am-4:59 pm
1 stop18h 44m
$525
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 10/11
7:20 am-11:05 am
2 stops18h 45m
Oslo Gardermoen
Sat 10/17
6:30 am-11:52 am
1 stop14h 22m
$530
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/20
7:00 am-6:15 pm
2 stops26h 15m
Oslo Gardermoen
Sun 9/6
6:25 am-10:48 pm
2 stops25h 23m
$537
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 8/21
9:00 am-6:35 pm
2 stops24h 35m
Oslo Gardermoen
Thu 9/10
6:45 am-11:55 am
1 stop14h 10m
$538
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 9/21
9:50 pm-8:40 pm
1 stop13h 50m
Oslo Gardermoen
Mon 9/28
9:20 am-8:13 pm
2 stops19h 53m
$556
Showing 1-10 of 40 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 $497). 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 81 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 May 28, 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.
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 May 28, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on May 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Seattle to Oslo
Discover the top 7 airlines that operate flights from Seattle to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$530 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$392 | Average$536 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$648 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$633 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$538 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$498 | Average$625 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$520 | Average$654 | FlexibilityNo cancel fee | On-time76% |