$231+ 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 9 — Aug 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Oslo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Oslo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to OsloExplore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am
SEA
- OSL
2 stops25h 10m
United Airlines
Tue 11/106:45 am
OSL
- SEA
2 stops23h 36m
United Airlines
Deal found 7/9![United Airlines logo]()
$508
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:00 pm
SEA
- OSL
2 stops18h 00m
Multiple Airlines
Tue 7/147:10 am
OSL
- SEA
1 stop18h 49m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$509
This FlightHub deal was found by Cheapflights users on 7/9. 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 FlightHub 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 7/9![Lufthansa logo]()
$510
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/8![United Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 9/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 7/7![Icelandair logo]()
$512
This KAYAK deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Sun 8/167:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Fri 8/214:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 7/8![Icelandair logo]()
$513
This Icelandair deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/207:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Mon 9/214:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 7/7![Icelandair logo]()
$514
This Booking.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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.
Tue 8/258:00 am
SEA
- OSL
2 stops25h 00m
Multiple Airlines
Mon 8/316:45 am
OSL
- SEA
1 stop14h 10m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/317:00 am
SEA
- OSL
2 stops25h 15m
United Airlines
Wed 9/97:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 7/8![United Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:30 am
SEA
- OSL
2 stops20h 20m
United Airlines
Mon 11/96:15 am
OSL
- SEA
1 stop14h 45m
United Airlines
Deal found 7/9![United Airlines logo]()
$517
This Air Canada deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/8![Air Canada logo]()
$518
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/2610:58 pm
SEA
- OSL
2 stops33h 17m
United Airlines
Thu 9/106:45 am
OSL
- SEA
2 stops21h 30m
United Airlines
Deal found 7/7![United Airlines logo]()
$519
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 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/317:00 am
SEA
- OSL
2 stops25h 15m
United Airlines
Wed 9/97:10 am
OSL
- SEA
2 stops24h 35m
United Airlines
Deal found 7/8![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/155:45 pm
SEA
- OSL
1 stop13h 40m
Delta
Sat 8/226:30 am
OSL
- SEA
1 stop14h 07m
Delta
Deal found 7/8![Delta logo]()
$627
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:45 pm
SEA
- OSL
1 stop18h 10m
Multiple Airlines
Sun 8/1610:45 am
OSL
- SEA
1 stop15h 49m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$650
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 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 Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/169:50 pm
SEA
- OSL
1 stop13h 50m
Delta
Fri 9/259:20 am
OSL
- SEA
2 stops20h 00m
Delta
Deal found 7/7![Delta logo]()
$661
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 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:50 pm
SEA
- OSL
1 stop17h 50m
United Airlines
Sat 1/236:15 am
OSL
- SEA
1 stop14h 45m
United Airlines
Deal found 7/9![United Airlines logo]()
$620
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:15 am
SEA
- OSL
2 stops18h 50m
Delta
Sat 9/2611:50 am
OSL
- SEA
2 stops19h 13m
Delta
Deal found 7/5![Delta logo]()
$675
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.
Sun 8/95:15 am
SEA
- OSL
2 stops24h 35m
United Airlines
Wed 8/1911:45 am
OSL
- SEA
2 stops20h 19m
United Airlines
Deal found 7/6![United Airlines logo]()
$626
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
Tue 8/186:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$715
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 8/1311:25 pm
SEA
- TRF
2 stops34h 10m
Multiple Airlines
Tue 8/1812:10 pm
TRF
- SEA
2 stops17h 30m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$871
This Cheapflightsfares 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 Cheapflightsfares 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 7/6![Scandinavian Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/42:33 pm
SEA
- OSL
2 stops18h 27m
United Airlines
Tue 8/111:10 pm
OSL
- SEA
2 stops36h 49m
United Airlines
Deal found 7/7![United Airlines logo]()
$695
This Delta 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 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 7/6![Delta logo]()
$773
This Wideroe deal was found by Cheapflights users on 7/9. 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 Wideroe is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:55 pm
SEA
- TRF
2 stops16h 25m
Multiple Airlines
Tue 9/296:10 am
TRF
- SEA
2 stops16h 35m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$876
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
Thu 8/136:00 am
TRF
- SEA
2 stops26h 19m
Scandinavian Airlines
Deal found 7/6![Scandinavian Airlines logo]()
$764
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 Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 pm
SEA
- TRF
2 stops14h 35m
Multiple Airlines
Wed 10/1412:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$970
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 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated July 10, 2026 and is based on user searches.
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.
Sun 8/166:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Mon 8/246:45 am
OSL
- SEA
3 stops41h 54m
United Airlines
Deal found 7/6![United Airlines logo]()
$510
This KAYAK deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Sun 8/167:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Fri 8/214:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 7/8![Icelandair logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 9/154:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 7/7![Icelandair logo]()
$512
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/186:50 pm
SEA
- OSL
1 stop18h 15m
United Airlines
Fri 8/287:15 am
OSL
- SEA
2 stops20h 52m
United Airlines
Deal found 7/8![United Airlines logo]()
$509
This FlightHub deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- OSL
1 stop14h 10m
Lufthansa
Thu 9/177:15 pm
OSL
- SEA
2 stops28h 07m
Lufthansa
Deal found 7/7![Lufthansa logo]()
$520
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/8![United Airlines logo]()
$511
This Icelandair deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/207:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Mon 9/214:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 7/7![Icelandair logo]()
$514
This KAYAK deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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.
Sun 8/236:50 pm
SEA
- OSL
1 stop18h 15m
Lufthansa
Tue 9/86:55 am
OSL
- SEA
2 stops24h 50m
Lufthansa
Deal found 7/7![Lufthansa logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/233:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 9/86:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 7/7![Scandinavian Airlines logo]()
$585
This Booking.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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.
Tue 8/258:00 am
SEA
- OSL
2 stops25h 00m
Multiple Airlines
Mon 8/316:45 am
OSL
- SEA
1 stop14h 10m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/2610:58 pm
SEA
- OSL
2 stops33h 17m
United Airlines
Thu 9/106:45 am
OSL
- SEA
2 stops21h 30m
United Airlines
Deal found 7/7![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/317:00 am
SEA
- OSL
2 stops25h 15m
United Airlines
Wed 9/97:10 am
OSL
- SEA
1 stop18h 49m
United Airlines
Deal found 7/8![United Airlines logo]()
$516
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 10, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated July 10, 2026.
This oojo deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Deal found 7/8![Icelandair logo]()
$231
This oojo deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/1811:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 7/8![Icelandair logo]()
$232
This oojo deal was found by Cheapflights users on 7/9. 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.
Tue 8/411:25 pm
SEA
- OSL
1 stop28h 10m
Icelandair
Deal found 7/9![Icelandair logo]()
$234
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.
Mon 8/247:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 7/6![Icelandair logo]()
$236
This oojo deal was found by Cheapflights users on 7/6. 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.
Thu 8/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 7/6![Icelandair logo]()
$237
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 7/6![Icelandair logo]()
$241
This Justfly.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/237:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 7/7![Icelandair logo]()
$244
This oojo deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/213:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 7/7![Icelandair logo]()
$298
This Mytrip deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 7/8![Icelandair logo]()
$300
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 7/8. Clicking the “Pick Dates” 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 8/1811:25 pm
SEA
- TRF
3 stops47h 15m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/237:00 pm
SEA
- TRF
3 stops37h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$311
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 10, 2026.
Round-trip from | $507 (United Airlines) |
|---|---|
One-way from | $231 (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 10, 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
Mon 8/31
7:00 am-5:15 pm
2 stops25h 15m
Oslo Gardermoen
Wed 9/9
7:10 am-10:45 pm
2 stops24h 35m
$527
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
Sun 12/13
2:50 pm-5:40 pm
1 stop17h 50m
Oslo Gardermoen
Sat 1/23
6:15 am-12:00 pm
1 stop14h 45m
$620
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 8/9
5:15 am-2:50 pm
2 stops24h 35m
Oslo Gardermoen
Wed 8/19
11:45 am-11:04 pm
2 stops20h 19m
$626
Quickest round-trip
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 8/15
5:45 pm-4:25 pm
1 stop13h 40m
Oslo Gardermoen
Sat 8/22
6:30 am-11:37 am
1 stop14h 07m
$627
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Thu 8/6
5:45 pm-8:55 pm
1 stop18h 10m
Oslo Gardermoen
Sun 8/16
10:45 am-5:34 pm
1 stop15h 49m
$650
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 9/16
9:50 pm-8:40 pm
1 stop13h 50m
Oslo Gardermoen
Fri 9/25
9:20 am-8:20 pm
2 stops20h 00m
$661
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 - 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 - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 9/19
7:15 am-11:05 am
2 stops18h 50m
Oslo Gardermoen
Sat 9/26
11:50 am-10:03 pm
2 stops19h 13m
$675
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 10, 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.
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Boarding
7.8
Entertainment
7.2
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Oslo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oslo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Oslo by cabin class
Find flights from Seattle to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Oslo flights
Browse other Seattle and Oslo flight options. Last updated on July 10, 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 10, 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 10, 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% |