$200+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Seattle to Oslo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Seattle to OsloExplore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 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 February 13, 2026.
This Sembo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Mon 4/201:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 2/12![Icelandair logo]()
$369
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Tue 4/211:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 2/10![Icelandair logo]()
$397
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 10/144:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/10![Icelandair logo]()
$404
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sat 5/94:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/12![Icelandair logo]()
$406
This FlightHub deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Fri 5/81:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 2/12![Icelandair logo]()
$411
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Fri 5/224:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/10![Icelandair logo]()
$413
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Tue 6/94:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/12![Icelandair logo]()
$414
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/244:30 pm
OSL
- SEA
1 stop28h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$415
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Tue 5/261:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 2/11![Icelandair logo]()
$418
This FlightHub deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sat 5/234:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/12![Icelandair logo]()
$419
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/96:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$543
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 6/73:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Fri 6/196:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 2/9![Scandinavian Airlines logo]()
$620
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 February 13, 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 February 13, 2026.
This KAYAK deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Tue 5/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/11![Icelandair logo]()
$441
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Sat 5/236:30 am
OSL
- SEA
1 stop19h 00m
Delta
Deal found 2/12![Delta logo]()
$464
This Air France deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:15 pm
SEA
- OSL
1 stop24h 20m
Multiple Airlines
Mon 3/99:25 am
OSL
- SEA
1 stop35h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$464
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 6/73:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Fri 6/196:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 2/9![Scandinavian Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Wed 5/279:20 am
OSL
- SEA
1 stop35h 22m
Delta
Deal found 2/11![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Thu 5/286:30 am
OSL
- SEA
1 stop19h 00m
Delta
Deal found 2/11![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Fri 5/296:30 am
OSL
- SEA
1 stop20h 09m
Delta
Deal found 2/11![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Sun 5/242:10 pm
OSL
- SEA
1 stop30h 32m
Delta
Deal found 2/11![Delta logo]()
$464
This Booking.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:55 pm
SEA
- TRF
1 stop17h 10m
Scandinavian Airlines
Thu 8/203:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:35 pm
SEA
- OSL
2 stops20h 05m
Delta
Tue 4/216:30 am
OSL
- SEA
1 stop14h 15m
Delta
Deal found 2/10![Delta logo]()
$468
This Booking.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 pm
SEA
- TRF
2 stops19h 45m
Multiple Airlines
Thu 4/3012:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$711
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Wed 5/276:30 am
OSL
- SEA
2 stops22h 37m
Delta
Deal found 2/11![Delta logo]()
$474
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:45 am
SEA
- TRF
2 stops27h 40m
Scandinavian Airlines
Mon 5/116:00 am
TRF
- SEA
2 stops25h 39m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Sat 5/306:30 am
OSL
- SEA
2 stops24h 59m
Delta
Deal found 2/11![Delta logo]()
$474
This Icelandair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 pm
SEA
- TRF
2 stops14h 35m
Multiple Airlines
Fri 5/2212:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$781
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
SEA
- TRF
2 stops22h 30m
Scandinavian Airlines
Wed 5/66:00 am
TRF
- SEA
2 stops26h 51m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
SEA
- TRF
2 stops25h 40m
Scandinavian Airlines
Wed 5/66:00 am
TRF
- SEA
2 stops25h 05m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
SEA
- TRF
2 stops25h 40m
Scandinavian Airlines
Tue 5/126:00 am
TRF
- SEA
2 stops25h 39m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:45 am
SEA
- TRF
2 stops17h 45m
Scandinavian Airlines
Sun 5/103:05 pm
TRF
- SEA
2 stops40h 34m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:45 am
SEA
- TRF
2 stops17h 45m
Scandinavian Airlines
Thu 5/76:00 am
TRF
- SEA
2 stops25h 29m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
This KAYAK deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:45 pm
SEA
- TRF
2 stops25h 40m
Scandinavian Airlines
Thu 5/76:00 am
TRF
- SEA
2 stops26h 55m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$718
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated February 13, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:15 pm
SEA
- OSL
1 stop22h 15m
Multiple Airlines
Mon 3/94:25 pm
OSL
- SEA
1 stop28h 10m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$465
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:10 am
SEA
- OSL
2 stops16h 30m
KLM
Mon 3/97:00 pm
OSL
- SEA
1 stop25h 35m
KLM
Deal found 2/10![KLM logo]()
$482
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
SEA
- OSL
2 stops17h 40m
Delta
Mon 3/97:50 am
OSL
- SEA
2 stops20h 58m
Delta
Deal found 2/10![Delta logo]()
$502
This Air France deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:40 pm
SEA
- OSL
1 stop22h 50m
Air France
Sun 3/16:25 am
OSL
- SEA
1 stop15h 40m
Air France
Deal found 2/10![Air France logo]()
$462
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:10 am
SEA
- OSL
2 stops20h 40m
Delta
Sun 3/16:25 am
OSL
- SEA
1 stop15h 40m
Delta
Deal found 2/10![Delta logo]()
$480
This Air France deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:10 pm
SEA
- OSL
1 stop15h 35m
Multiple Airlines
Tue 3/104:25 pm
OSL
- SEA
1 stop28h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$464
This Cheapflightsfares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:00 pm
SEA
- OSL
1 stop13h 55m
Lufthansa
Fri 3/206:15 am
OSL
- SEA
1 stop14h 55m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$512
This BusinessClass deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:40 pm
SEA
- OSL
1 stop21h 20m
Scandinavian Airlines
Thu 3/197:50 am
OSL
- SEA
1 stop15h 50m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$514
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:00 am
SEA
- TRF
3 stops22h 05m
Multiple Airlines
Thu 3/192:35 pm
TRF
- SEA
2 stops31h 45m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$803
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 4/54:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/12![Icelandair logo]()
$398
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:30 pm
SEA
- OSL
1 stop16h 05m
Delta
Sun 4/59:20 am
OSL
- SEA
2 stops20h 26m
Delta
Deal found 2/12![Delta logo]()
$520
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Sun 4/511:45 am
OSL
- SEA
1 stop14h 14m
United Airlines
Deal found 2/12![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 February 13, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This AirNGo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 2/10![Icelandair logo]()
$200
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 2/12![Icelandair logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 5/119:55 am
SEA
- OSL
2 stops42h 20m
SWISS
Deal found 2/9![SWISS logo]()
$213
This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Mon 5/113:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 2/9![Icelandair logo]()
$218
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 2/10![Icelandair logo]()
$221
This Air France deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:10 pm
SEA
- OSL
1 stop15h 35m
Air France
Deal found 2/12![Air France logo]()
$230
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:25 am
SEA
- OSL
2 stops21h 25m
Delta
Deal found 2/12![Delta logo]()
$235
This BusinessClass deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:40 pm
SEA
- OSL
1 stop21h 20m
Scandinavian Airlines
Deal found 2/12![Scandinavian Airlines logo]()
$237
This KLM deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/173:05 pm
SEA
- OSL
1 stop32h 35m
KLM
Deal found 2/12![KLM logo]()
$243
This Air France deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:40 pm
SEA
- OSL
1 stop19h 40m
Air France
Deal found 2/10![Air France logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 pm
SEA
- TRF
3 stops34h 30m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:35 pm
SEA
- TRF
2 stops35h 15m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$281
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 February 13, 2026.
Round-trip from | $369 (Sembo) |
|---|---|
One-way from | $200 (AirNGo) |
Popular in | June |
Cheapest in | January |
Average price | $558 |
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 February 13, 2026.
Use the filters below to find and compare flights from Seattle to Oslo that are best for you.
Fly from
Seattle
Fly to
Oslo
Route
Depart
Return
Price
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 5/11
3:40 pm-3:25 pm
1 stop14h 45m
Oslo Gardermoen
Tue 5/26
4:30 pm-8:40 pm
1 stop13h 10m
$441
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/12
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Sat 5/23
6:30 am-4:30 pm
1 stop19h 00m
$464
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 2/25
2:15 pm-11:35 pm
1 stop24h 20m
Oslo Gardermoen
Mon 3/9
9:25 am-12:35 pm
1 stop35h 10m
$464
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/12
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Wed 5/27
9:20 am-11:42 am
1 stop35h 22m
$464
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/12
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Thu 5/28
6:30 am-4:30 pm
1 stop19h 00m
$464
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 5/11
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Fri 5/29
6:30 am-5:39 pm
1 stop20h 09m
$464
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/12
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Sun 5/24
2:10 pm-11:42 am
1 stop30h 32m
$464
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 4/14
3:35 pm-8:40 pm
2 stops20h 05m
Oslo Gardermoen
Tue 4/21
6:30 am-11:45 am
1 stop14h 15m
$468
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 5/11
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Wed 5/27
6:30 am-8:07 pm
2 stops22h 37m
$474
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/12
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Sat 5/30
6:30 am-10:29 pm
2 stops24h 59m
$474
Showing 1-10 of 40 results
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
How far ahead should I book a flight from Seattle to Oslo?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Oslo. Price data was last updated on February 6, 2026.
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 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Oslo?
Currently, April is the cheapest month in which you can book a flight from Seattle to Oslo (average of $327). Flying from Seattle to Oslo in June is currently the most expensive (average of $522). 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.
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 February 13, 2026.
See what other customers who have flown with Delta, Scandinavian Airlines, and Icelandair 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.
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Seattle to Oslo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oslo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Oslo by cabin class
Find flights from Seattle to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Oslo flights
Browse other Seattle and Oslo flight options. Last updated on February 13, 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 February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from Seattle to Oslo
Discover the top 9 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$558 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$392 | Average$531 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$737 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$488 | Average$790 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$491 | Average$766 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$691 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$506 | Average$765 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$517 | Average$659 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$538 | Average$699 | FlexibilityNo cancel fee | On-time76% |