$236+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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 July 7, 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 July 7, 2026.
This Justfly.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/156:50 pm
SEA
- OSL
1 stop14h 10m
Lufthansa
Tue 9/296:55 am
OSL
- SEA
2 stops16h 27m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$509
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:20 pm
SEA
- OSL
2 stops19h 45m
United Airlines
Thu 8/276:45 am
OSL
- SEA
2 stops24h 57m
United Airlines
Deal found 7/6![United Airlines logo]()
$511
This Icelandair deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Mon 8/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 8/254:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 7/3![Icelandair logo]()
$512
This Justfly.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Sun 11/2210:10 am
SEA
- OSL
2 stops22h 30m
Multiple Airlines
Mon 11/301:00 pm
OSL
- SEA
2 stops43h 21m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/47:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 8/194:30 pm
OSL
- SEA
1 stop28h 15m
Icelandair
Deal found 7/3![Icelandair logo]()
$514
This Icelandair deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Thu 8/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 8/194:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 7/3![Icelandair logo]()
$515
This Air Canada deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:10 am
SEA
- OSL
2 stops22h 30m
Air Canada
Wed 12/26:15 am
OSL
- SEA
2 stops24h 42m
Air Canada
Deal found 7/2![Air Canada logo]()
$516
This Air Canada deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:00 am
SEA
- OSL
2 stops18h 35m
Air Canada
Tue 9/157:10 am
OSL
- SEA
2 stops22h 54m
Air Canada
Deal found 7/3![Air Canada logo]()
$517
This Air Canada deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:00 am
SEA
- OSL
2 stops22h 15m
Air Canada
Sun 9/207:10 am
OSL
- SEA
2 stops22h 54m
Air Canada
Deal found 7/6![Air Canada logo]()
$518
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Thu 7/301:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 7/3![Icelandair logo]()
$519
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/243:54 pm
SEA
- OSL
2 stops21h 11m
United Airlines
Mon 8/316:45 am
OSL
- SEA
3 stops25h 41m
United Airlines
Deal found 7/3![United Airlines logo]()
$520
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/153:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Tue 9/296:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$544
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 July 7, 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 July 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:20 pm
SEA
- OSL
2 stops19h 45m
United Airlines
Thu 8/276:45 am
OSL
- SEA
2 stops24h 57m
United Airlines
Deal found 7/5![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:45 pm
SEA
- OSL
1 stop15h 50m
Delta
Tue 8/189:20 am
OSL
- SEA
2 stops20h 15m
Delta
Deal found 7/2![Delta logo]()
$654
This KLM deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/201:45 pm
SEA
- OSL
1 stop13h 45m
Multiple Airlines
Wed 7/297:10 am
OSL
- SEA
1 stop19h 17m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$654
This Scandinavian Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/93:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Mon 8/173:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$665
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/157:00 am
SEA
- OSL
2 stops25h 15m
United Airlines
Tue 9/296:55 am
OSL
- SEA
2 stops16h 27m
United Airlines
Deal found 7/4![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:30 am
SEA
- OSL
2 stops16h 45m
United Airlines
Thu 10/221:05 pm
OSL
- SEA
1 stop32h 15m
United Airlines
Deal found 7/4![United Airlines logo]()
$548
This Scandinavian Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/93:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Tue 8/186:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/162:30 pm
SEA
- OSL
2 stops16h 50m
Delta
Fri 9/256:30 am
OSL
- SEA
1 stop14h 17m
Delta
Deal found 7/2![Delta logo]()
$665
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/205:40 pm
SEA
- OSL
1 stop13h 40m
Delta
Wed 7/2911:50 am
OSL
- SEA
2 stops20h 12m
Delta
Deal found 7/1![Delta logo]()
$665
This Scandinavian Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/253:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Mon 9/73:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:10 pm
SEA
- OSL
1 stop19h 05m
United Airlines
Wed 8/197:10 am
OSL
- SEA
2 stops20h 57m
United Airlines
Deal found 7/6![United Airlines logo]()
$633
This Scandinavian Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/233:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Sat 9/126:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$679
This deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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.
Tue 8/183:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 8/256:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/1![Scandinavian Airlines logo]()
$706
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 8/106:00 am
TRF
- SEA
2 stops26h 57m
Scandinavian Airlines
Deal found 7/2![Scandinavian Airlines logo]()
$714
This Scandinavian Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:55 pm
SEA
- TRF
1 stop15h 40m
Scandinavian Airlines
Wed 8/196:00 am
TRF
- SEA
2 stops26h 19m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$775
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/137:20 am
SEA
- TRF
2 stops32h 05m
Scandinavian Airlines
Fri 8/216:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$819
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/137:20 am
SEA
- TRF
2 stops32h 05m
Scandinavian Airlines
Mon 8/246:00 am
TRF
- SEA
2 stops26h 57m
Scandinavian Airlines
Deal found 7/3![Scandinavian Airlines logo]()
$829
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/243:55 pm
SEA
- TRF
1 stop15h 40m
Scandinavian Airlines
Sat 8/156:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/2![Scandinavian Airlines logo]()
$835
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/253:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Thu 9/103:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 7/4![Scandinavian Airlines logo]()
$869
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated July 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/76:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Tue 7/216:45 pm
OSL
- SEA
1 stop31h 14m
Lufthansa
Deal found 7/1![Lufthansa logo]()
$525
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Thu 7/301:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 7/3![Icelandair logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/47:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 8/194:30 pm
OSL
- SEA
1 stop28h 15m
Icelandair
Deal found 7/3![Icelandair logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Tue 8/184:30 pm
OSL
- SEA
1 stop28h 15m
Icelandair
Deal found 7/6![Icelandair logo]()
$527
This Icelandair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Wed 8/57:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Wed 8/194:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 7/2![Icelandair logo]()
$513
This Icelandair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Wed 8/57:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 8/184:30 pm
OSL
- SEA
1 stop28h 15m
Icelandair
Deal found 7/2![Icelandair logo]()
$526
This Icelandair deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Thu 8/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 8/194:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 7/3![Icelandair logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/93:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Tue 8/186:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/2![Scandinavian Airlines logo]()
$628
This Icelandair deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Mon 8/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 8/254:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 7/3![Icelandair logo]()
$512
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/195:20 pm
SEA
- OSL
2 stops19h 45m
United Airlines
Thu 8/276:45 am
OSL
- SEA
2 stops24h 57m
United Airlines
Deal found 7/2![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/243:54 pm
SEA
- OSL
2 stops21h 11m
United Airlines
Mon 8/316:45 am
OSL
- SEA
3 stops25h 41m
United Airlines
Deal found 7/3![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/257:00 am
SEA
- OSL
2 stops25h 15m
United Airlines
Thu 9/106:45 am
OSL
- SEA
2 stops37h 18m
United Airlines
Deal found 7/1![United Airlines logo]()
$524
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 July 7, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 7/6![Icelandair logo]()
$236
This oojo deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 7/5![Icelandair logo]()
$237
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 7/2![Icelandair logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:00 am
SEA
- OSL
3 stops41h 10m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$301
This oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 7/6![Icelandair logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:25 pm
SEA
- TRF
3 stops36h 50m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:40 am
SEA
- OSL
2 stops28h 30m
SWISS
Deal found 7/5![SWISS logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 7/5![Icelandair logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm
SEA
- TRF
2 stops31h 00m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$326
This Air France deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/101:30 pm
SEA
- OSL
1 stop16h 05m
Air France
Deal found 7/1![Air France logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:25 pm
SEA
- OSL
2 stops32h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$330
This Cheapflightsfares deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:40 am
SEA
- OSL
2 stops28h 30m
SWISS
Deal found 7/1![SWISS logo]()
$331
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 July 7, 2026.
Round-trip from | $509 (Justfly.com) |
|---|---|
One-way from | $236 (oojo) |
Popular in | July |
Cheapest in | January |
Average price | $683 |
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 July 7, 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
Wed 8/19
5:20 pm-10:05 pm
2 stops19h 45m
Oslo Gardermoen
Thu 8/27
6:45 am-10:42 pm
2 stops24h 57m
$511
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 9/15
7:00 am-5:15 pm
2 stops25h 15m
Oslo Gardermoen
Tue 9/29
6:55 am-2:22 pm
2 stops16h 27m
$524
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 10/20
10:30 am-12:15 pm
2 stops16h 45m
Oslo Gardermoen
Thu 10/22
1:05 pm-12:20 pm
1 stop32h 15m
$548
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/6
2:10 pm-6:15 pm
1 stop19h 05m
Oslo Gardermoen
Wed 8/19
7:10 am-7:07 pm
2 stops20h 57m
$633
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/6
5:45 pm-6:35 pm
1 stop15h 50m
Oslo Gardermoen
Tue 8/18
9:20 am-8:35 pm
2 stops20h 15m
$654
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 7/20
1:45 pm-12:30 pm
1 stop13h 45m
Oslo Gardermoen
Wed 7/29
7:10 am-5:27 pm
1 stop19h 17m
$654
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Sun 8/9
3:55 pm-12:25 am
1 stop23h 30m
Oslo Sandefjord
Mon 8/17
3:05 pm-1:45 pm
1 stop31h 40m
$665
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Sun 8/9
3:55 pm-12:25 am
1 stop23h 30m
Oslo Sandefjord
Tue 8/18
6:00 am-1:45 pm
1 stop16h 45m
$665
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/16
2:30 pm-4:20 pm
2 stops16h 50m
Oslo Gardermoen
Fri 9/25
6:30 am-11:47 am
1 stop14h 17m
$665
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 7/20
5:40 pm-4:20 pm
1 stop13h 40m
Oslo Gardermoen
Wed 7/29
11:50 am-11:02 pm
2 stops20h 12m
$665
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from Seattle to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from Seattle with our price prediction graph.
SEA-OS1
SEA-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 $493). 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 July 7, 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.
Overall
7.8
Food
7.3
Entertainment
7.2
Comfort
7.7
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Entertainment
7.2
Comfort
7.7
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Entertainment
7.2
Comfort
7.7
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Entertainment
7.2
Comfort
7.7
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Entertainment
7.2
Comfort
7.7
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Entertainment
7.2
Comfort
7.7
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Oslo
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Complete your trip
Complete your trip to Oslo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Oslo by cabin class
Find flights from Seattle to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Oslo flights
Browse other Seattle and Oslo flight options. Last updated on July 7, 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 July 7, 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$537 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$393 | Average$545 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$426 | Average$670 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$457 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$491 | Average$526 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$493 | Average$649 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$506 | Average$649 | FlexibilityNo cancel fee | On-time75% |