$371+ Cheap flights from Oslo to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Oslo to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oslo to Seattle
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Cheapest flights from Oslo to SeattleExplore the most affordable flight options available from Oslo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from Oslo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Ticket deal was found by Cheapflights users on 8/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:30 pm -
1 stop34h 25m
Sun 10/253:35 pm -
1 stop12h 00m
Deal found 8/27![Icelandair logo]()
$402
This Ticket deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
1 stop34h 25m
Sun 10/183:40 pm -
1 stop11h 55m
Deal found 8/28![Icelandair logo]()
$408
This Ticket deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:35 am -
2 stops20h 14m
Sun 10/181:37 pm -
2 stops17h 58m
Deal found 8/28![Finnair logo]()
$503
This Ticket deal was found by Cheapflights users on 9/1. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:30 pm -
1 stop13h 10m
Wed 12/22:35 pm -
1 stop21h 00m
Deal found 9/1![Icelandair logo]()
$507
This Sembo deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:10 pm -
1 stop12h 50m
Thu 12/242:35 pm -
1 stop12h 00m
Deal found 8/31![Icelandair logo]()
$520
This Ticket deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop16h 45m
Sun 10/43:55 pm -
1 stop13h 35m
Deal found 8/29![Scandinavian Airlines logo]()
$620
This Mytrip deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:05 pm -
1 stop31h 40m
Sun 10/183:40 pm -
2 stops20h 35m
Deal found 8/28![Multiple Airlines logo]()
$669
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop16h 45m
Mon 10/127:15 am -
2 stops22h 15m
Deal found 8/27![Scandinavian Airlines logo]()
$671
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop16h 45m
Tue 10/206:00 am -
2 stops23h 30m
Deal found 8/28![Scandinavian Airlines logo]()
$737
This Ovago deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:05 pm -
1 stop31h 40m
Mon 10/57:15 am -
2 stops22h 15m
Deal found 8/31![Scandinavian Airlines logo]()
$822
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops26h 10m
Sun 1/107:20 am -
2 stops21h 45m
Deal found 8/27![Scandinavian Airlines logo]()
$839
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops26h 10m
Sat 1/97:20 am -
2 stops21h 45m
Deal found 8/27![Scandinavian Airlines logo]()
$878
Best flights from Oslo to SeattleDiscover carefully curated flight deals from Oslo to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Oslo to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Icelandair deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 12/91:10 pm -
1 stop12h 50m
Sun 12/132:35 pm -
1 stop12h 00m
Deal found 8/31![Icelandair logo]()
$567
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:50 am -
2 stops20h 14m
Mon 10/129:50 pm -
1 stop16h 10m
Deal found 8/27![Delta logo]()
$567
This Finnair deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:30 pm -
2 stops32h 14m
Sun 10/251:37 pm -
2 stops22h 28m
Deal found 8/28![Finnair logo]()
$572
This British Airways deal was found by Cheapflights users on 8/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:05 pm -
1 stop27h 30m
Sun 10/251:37 pm -
2 stops22h 28m
Deal found 8/27![Multiple Airlines logo]()
$584
This Ticket deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop16h 45m
Sun 10/43:55 pm -
1 stop13h 35m
Deal found 8/29![Scandinavian Airlines logo]()
$620
This British Airways deal was found by Cheapflights users on 8/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:45 am -
1 stop19h 05m
Fri 1/86:45 pm -
1 stop18h 20m
Deal found 8/27![British Airways logo]()
$656
This Delta deal was found by Cheapflights users on 9/1. 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 10/511:50 am -
1 stop13h 45m
Sun 10/186:00 am -
2 stops17h 45m
Deal found 9/1![Delta logo]()
$572
This British Airways deal was found by Cheapflights users on 8/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/208:35 pm -
1 stop29h 15m
Sun 1/106:12 am -
2 stops31h 28m
Deal found 8/27![British Airways logo]()
$656
This Mytrip deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:05 pm -
1 stop31h 40m
Sun 10/183:40 pm -
2 stops20h 35m
Deal found 8/28![Multiple Airlines logo]()
$669
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:30 am -
1 stop14h 17m
Sun 10/47:15 am -
2 stops18h 50m
Deal found 8/29![Delta logo]()
$635
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop16h 45m
Tue 10/206:00 am -
2 stops23h 30m
Deal found 8/28![Scandinavian Airlines logo]()
$737
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/286:30 am -
2 stops21h 34m
Mon 10/59:50 pm -
1 stop16h 10m
Deal found 8/31![Delta logo]()
$639
This Ovago deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:05 pm -
1 stop31h 40m
Mon 10/57:15 am -
2 stops22h 15m
Deal found 8/31![Scandinavian Airlines logo]()
$822
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops26h 10m
Fri 1/87:20 am -
2 stops21h 45m
Deal found 8/27![Scandinavian Airlines logo]()
$839
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops26h 10m
Sun 1/107:20 am -
2 stops21h 45m
Deal found 8/27![Scandinavian Airlines logo]()
$839
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops26h 10m
Thu 1/77:20 am -
2 stops21h 45m
Deal found 8/27![Scandinavian Airlines logo]()
$878
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops26h 10m
Sat 1/97:20 am -
2 stops21h 45m
Deal found 8/27![Scandinavian Airlines logo]()
$878
This Scandinavian Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/212:35 pm -
2 stops40h 45m
Mon 1/257:20 am -
2 stops21h 45m
Deal found 8/29![Scandinavian Airlines logo]()
$911
Last-minute flights from Oslo to SeattleDiscover last-minute flight deals from Oslo to Seattle. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Oslo to Seattle. Data last updated September 1, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop16h 45m
Sun 10/43:55 pm -
1 stop13h 35m
Deal found 8/29![Scandinavian Airlines logo]()
$620
This FlightHub deal was found by Cheapflights users on 9/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:05 pm -
1 stop31h 40m
Mon 12/710:39 am -
2 stops18h 26m
Deal found 9/1![Scandinavian Airlines logo]()
$878
This Ovago deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:05 pm -
1 stop31h 40m
Mon 10/57:15 am -
2 stops22h 15m
Deal found 8/31![Scandinavian Airlines logo]()
$822
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop16h 45m
Tue 10/206:00 am -
2 stops23h 30m
Deal found 8/28![Scandinavian Airlines logo]()
$737
This Ticket deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm -
1 stop34h 25m
Sun 10/183:40 pm -
1 stop11h 55m
Deal found 8/28![Icelandair logo]()
$408
This Ticket deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:35 am -
2 stops20h 14m
Sun 10/181:37 pm -
2 stops17h 58m
Deal found 8/28![Finnair logo]()
$503
This Mytrip deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:05 pm -
1 stop31h 40m
Sun 10/183:40 pm -
2 stops20h 35m
Deal found 8/28![Multiple Airlines logo]()
$669
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop16h 45m
Mon 10/127:15 am -
2 stops22h 15m
Deal found 8/27![Scandinavian Airlines logo]()
$671
This Ticket deal was found by Cheapflights users on 8/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:30 pm -
1 stop34h 25m
Sun 10/253:35 pm -
1 stop12h 00m
Deal found 8/27![Icelandair logo]()
$402
This Ticket deal was found by Cheapflights users on 9/1. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:35 am -
2 stops25h 01m
Wed 12/26:45 pm -
1 stop18h 50m
Deal found 9/1![Multiple Airlines logo]()
$532
This Ticket deal was found by Cheapflights users on 9/1. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:30 pm -
1 stop13h 10m
Wed 12/22:35 pm -
1 stop21h 00m
Deal found 9/1![Icelandair logo]()
$507
One-way flights from Oslo to SeattleSearch for one-way flight options from Oslo to Seattle. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Oslo to Seattle. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:25 pm -
3 stops53h 20m
Deal found 8/29![Multiple Airlines logo]()
$371
This Scandinavian Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:05 pm -
1 stop31h 40m
Deal found 8/29![Scandinavian Airlines logo]()
$381
This Scandinavian Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:30 pm -
1 stop27h 15m
Deal found 8/29![Scandinavian Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:50 am -
3 stops38h 55m
Deal found 8/29![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:30 pm -
3 stops58h 15m
Deal found 8/29![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:35 pm -
3 stops24h 10m
Deal found 8/29![Multiple Airlines logo]()
$401
This Finnair deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 am -
2 stops25h 01m
Deal found 8/30![Finnair logo]()
$432
This Finnair deal was found by Cheapflights users on 9/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/167:20 am -
1 stop18h 30m
Deal found 9/1![Multiple Airlines logo]()
$433
This Finnair deal was found by Cheapflights users on 8/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:45 am -
1 stop19h 05m
Deal found 8/27![Multiple Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:45 am -
1 stop19h 05m
Deal found 8/31![American Airlines logo]()
$439
This British Airways deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:45 pm -
1 stop26h 50m
Deal found 8/30![British Airways logo]()
$443
This Finnair deal was found by Cheapflights users on 9/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/168:50 pm -
2 stops32h 17m
Deal found 9/1![Finnair logo]()
$445
Find flight deals from Oslo to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Seattle (SEA). 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 September 1, 2026.
Round-trip from | $402 (Ticket) |
|---|---|
One-way from | $371 (Kiwi.com) |
Popular in | June |
Cheapest in | April |
Average price | $585 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oslo to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
Use the filters below to find and compare flights from Oslo to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Wed 12/9
1:10 pm-5:00 pm
1 stop12h 50m
Seattle/Tacoma Intl
Sun 12/13
2:35 pm-11:35 am
1 stop12h 00m
$567
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Fri 10/9
11:50 am-11:04 pm
2 stops20h 14m
Seattle/Tacoma Intl
Mon 10/12
9:50 pm-11:00 pm
1 stop16h 10m
$567
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Mon 10/12
8:30 pm-7:44 pm
2 stops32h 14m
Seattle/Tacoma Intl
Sun 10/25
1:37 pm-8:05 pm
2 stops22h 28m
$572
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Mon 10/5
11:50 am-4:35 pm
1 stop13h 45m
Seattle/Tacoma Intl
Sun 10/18
6:00 am-8:45 am
2 stops17h 45m
$572
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Mon 10/12
5:05 pm-11:35 am
1 stop27h 30m
Seattle/Tacoma Intl
Sun 10/25
1:37 pm-8:05 pm
2 stops22h 28m
$584
OsloSeattle
TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl
TRFSEA
Oslo Sandefjord
Sat 9/19
6:00 am-1:45 pm
1 stop16h 45m
Seattle/Tacoma Intl
Sun 10/4
3:55 pm-2:30 pm
1 stop13h 35m
$620
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Sat 9/19
6:30 am-11:47 am
1 stop14h 17m
Seattle/Tacoma Intl
Sun 10/4
7:15 am-11:05 am
2 stops18h 50m
$635
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Mon 9/28
6:30 am-7:04 pm
2 stops21h 34m
Seattle/Tacoma Intl
Mon 10/5
9:50 pm-11:00 pm
1 stop16h 10m
$639
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Fri 12/18
6:45 am-4:50 pm
1 stop19h 05m
Seattle/Tacoma Intl
Fri 1/8
6:45 pm-10:05 pm
1 stop18h 20m
$656
OsloSeattle
OSL Oslo Gardermoen - SEA Seattle/Tacoma Intl
OSLSEA
Oslo Gardermoen
Sun 12/20
8:35 pm-4:50 pm
1 stop29h 15m
Seattle/Tacoma Intl
Sun 1/10
6:12 am-10:40 pm
2 stops31h 28m
$656
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Oslo to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Oslo with our price prediction graph.
OS1-SEA
OSL-SEA
TRF-SEA
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 Oslo to Seattle
OS1-SEA
OSL-SEA
TRF-SEA
What is the cheapest month to book a flight from Oslo to Seattle?
Currently, April is the cheapest month in which you can book a flight from Oslo to Seattle (average of $552). Flying from Oslo to Seattle in June is currently the most expensive (average of $816). 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 Oslo to Seattle?
Airfare is below average for this route at the moment.
Oslo to Seattle flights typically cost between $528 and $690 in October.The cheapest round-trip price found within the last 5 days was $402 on Icelandair (Oct 12-Oct 25).
How far ahead should I book a flight from Oslo to Seattle?
The price you pay for your flight from Oslo to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 1, 2026.
Get a feel of what it's like to fly with Scandinavian Airlines and Icelandair from Oslo to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Crew
8.0
Food
6.8
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentRobert,Jul 2026
CPH - SFO
Overall
7.4
Boarding
7.7
Crew
8.0
Food
6.8
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentRobert,Jul 2026
CPH - SFO
Overall
7.4
Boarding
7.7
Crew
8.0
Food
6.8
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentRobert,Jul 2026
CPH - SFO
Related info for your journey
Find useful and relevant information for your journey from Oslo to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Oslo and Seattle flights
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Popular flight searches
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Top 2 airlines flying from Oslo to Seattle
Discover the top 2 airlines that operate flights from Oslo to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$443 | Average$619 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$588 | Average$797 | FlexibilityNo cancel fee | On-time77% |