$192+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
May 13 — May 201
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to OsloExplore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 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 April 13, 2026.
This Vliegwinkel deal was found by Cheapflights users on 4/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/31:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/10![Icelandair logo]()
$448
This oojo deal was found by Cheapflights users on 4/8. 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 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 5/201:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/8![Icelandair logo]()
$479
This Gotogate deal was found by Cheapflights users on 4/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/174:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/8![Icelandair logo]()
$481
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Fri 5/87:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Fri 5/224:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/13![Icelandair logo]()
$486
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK 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 5/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/9![Icelandair logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Thu 5/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Fri 5/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/9![Icelandair logo]()
$490
This FlightHub deal was found by Cheapflights users on 4/8. 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 FlightHub 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
Sun 5/174:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/8![Icelandair logo]()
$491
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub 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
Sat 5/164:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/10![Icelandair logo]()
$492
This KAYAK deal was found by Cheapflights users on 4/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Fri 5/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/10![Icelandair logo]()
$494
This KAYAK deal was found by Cheapflights users on 4/12. 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 7/143:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/278:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/12![Scandinavian Airlines logo]()
$635
This oojo deal was found by Cheapflights users on 4/11. 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.
Tue 8/113:55 pm
SEA
- TRF
1 stop23h 30m
Scandinavian Airlines
Thu 8/203:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/11![Scandinavian Airlines logo]()
$637
This Cheapflightsfares deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Sun 8/23:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Fri 8/216:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/13![Scandinavian Airlines logo]()
$661
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 April 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 April 13, 2026.
This Delta deal was found by Cheapflights users on 4/12. 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.
Mon 5/115:40 pm
SEA
- OSL
1 stop15h 55m
Delta
Sun 5/242:10 pm
OSL
- SEA
1 stop30h 32m
Delta
Deal found 4/12![Delta logo]()
$549
This Scandinavian Airlines deal was found by Cheapflights users on 4/10. 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 Scandinavian Airlines 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
Fri 8/146:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$745
This Icelandair deal was found by Cheapflights users on 4/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- TRF
2 stops14h 00m
Multiple Airlines
Thu 4/3012:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$954
This Delta deal was found by Cheapflights users on 4/8. 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.
Fri 5/810:35 pm
SEA
- OSL
2 stops25h 10m
Delta
Tue 5/192:10 pm
OSL
- SEA
1 stop30h 32m
Delta
Deal found 4/8![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/131:45 pm
SEA
- OSL
1 stop19h 50m
Delta
Tue 5/266:30 am
OSL
- SEA
2 stops18h 31m
Delta
Deal found 4/13![Delta logo]()
$560
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:50 pm
SEA
- OSL
1 stop13h 50m
Delta
Mon 9/216:30 am
OSL
- SEA
2 stops21h 30m
Delta
Deal found 4/9![Delta logo]()
$571
This KAYAK deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Wed 7/88:55 pm
TRF
- SEA
2 stops34h 10m
Scandinavian Airlines
Deal found 4/13![Scandinavian Airlines logo]()
$765
This Delta deal was found by Cheapflights users on 4/12. 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.
Fri 5/812:30 pm
SEA
- OSL
2 stops19h 10m
Delta
Fri 5/1511:50 am
OSL
- SEA
1 stop13h 40m
Delta
Deal found 4/12![Delta logo]()
$588
This KAYAK deal was found by Cheapflights users on 4/8. 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 6/143:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Mon 6/228:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 4/8. 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.
Mon 5/411:10 am
SEA
- OSL
2 stops20h 30m
Delta
Mon 5/1111:50 am
OSL
- SEA
2 stops17h 53m
Delta
Deal found 4/8![Delta logo]()
$596
This KAYAK deal was found by Cheapflights users on 4/11. 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.
Thu 10/17:20 am
SEA
- TRF
2 stops22h 10m
Scandinavian Airlines
Mon 10/53:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/11![Scandinavian Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 4/11. 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 5/189:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Mon 5/259:20 am
OSL
- SEA
2 stops19h 51m
Delta
Deal found 4/11![Delta logo]()
$605
This oojo deal was found by Cheapflights users on 4/12. 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.
Fri 8/73:55 pm
SEA
- TRF
1 stop15h 40m
Scandinavian Airlines
Sun 8/233:05 pm
TRF
- SEA
2 stops54h 44m
Scandinavian Airlines
Deal found 4/12![Scandinavian Airlines logo]()
$813
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:45 am
SEA
- OSL
2 stops25h 55m
Delta
Thu 6/182:10 pm
OSL
- SEA
1 stop30h 27m
Delta
Deal found 4/9![Delta logo]()
$616
This Booking.com deal was found by Cheapflights users on 4/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:40 pm
SEA
- TRF
2 stops17h 20m
Multiple Airlines
Wed 8/1212:10 pm
TRF
- SEA
2 stops17h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,116
This Delta deal was found by Cheapflights users on 4/11. 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 5/261:30 pm
SEA
- OSL
1 stop13h 15m
Delta
Tue 6/26:30 am
OSL
- SEA
2 stops21h 33m
Delta
Deal found 4/11![Delta logo]()
$623
This oojo deal was found by Cheapflights users on 4/10. 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.
Sun 6/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Sat 7/45:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$841
This Delta deal was found by Cheapflights users on 4/8. 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 4/257:15 am
SEA
- OSL
2 stops18h 50m
Delta
Wed 5/206:30 am
OSL
- SEA
2 stops21h 18m
Delta
Deal found 4/8![Delta logo]()
$633
This oojo deal was found by Cheapflights users on 4/10. 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.
Sun 7/193:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Sat 7/255:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$930
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
SEA
- OSL
2 stops17h 45m
Delta
Thu 5/219:20 am
OSL
- SEA
2 stops19h 51m
Delta
Deal found 4/9![Delta logo]()
$665
This oojo deal was found by Cheapflights users on 4/12. 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.
Mon 9/217:20 am
SEA
- TRF
2 stops22h 10m
Scandinavian Airlines
Mon 9/283:05 pm
TRF
- SEA
2 stops40h 20m
Scandinavian Airlines
Deal found 4/12![Scandinavian Airlines logo]()
$997
This oojo deal was found by Cheapflights users on 4/8. 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.
Thu 7/27:15 am
SEA
- TRF
2 stops28h 10m
Scandinavian Airlines
Mon 7/138:55 pm
TRF
- SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$1,009
This oojo deal was found by Cheapflights users on 4/10. 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 5/263:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Fri 5/296:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$1,101
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated April 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated April 13, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 4/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/31:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/10![Icelandair logo]()
$448
This oojo deal was found by Cheapflights users on 4/8. 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 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 5/201:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/8![Icelandair logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Thu 5/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Fri 5/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/9![Icelandair logo]()
$490
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Fri 5/87:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Fri 5/224:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/13![Icelandair logo]()
$486
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK 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 5/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/9![Icelandair logo]()
$488
This FlightHub deal was found by Cheapflights users on 4/8. 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 FlightHub 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
Sun 5/174:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/8![Icelandair logo]()
$491
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub 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
Sat 5/164:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/10![Icelandair logo]()
$492
This Gotogate deal was found by Cheapflights users on 4/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 5/174:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 4/8![Icelandair logo]()
$481
This KAYAK deal was found by Cheapflights users on 4/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:40 pm
SEA
- OSL
1 stop14h 45m
Icelandair
Fri 5/151:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/10![Icelandair logo]()
$494
This KAYAK deal was found by Cheapflights users on 4/11. 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.
Sun 5/1712:40 pm
SEA
- TRF
2 stops26h 45m
Scandinavian Airlines
Tue 6/26:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/11![Scandinavian Airlines logo]()
$855
This Scandinavian Airlines deal was found by Cheapflights users on 4/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:40 pm
SEA
- TRF
2 stops26h 45m
Scandinavian Airlines
Tue 6/26:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/11![Scandinavian Airlines logo]()
$790
This KAYAK deal was found by Cheapflights users on 4/11. 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 5/1812:40 pm
SEA
- TRF
2 stops26h 45m
Scandinavian Airlines
Mon 6/13:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/11![Scandinavian Airlines logo]()
$820
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 April 13, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated April 13, 2026.
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/12![Icelandair logo]()
$192
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/8![Icelandair logo]()
$197
This Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/12![Icelandair logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Sat 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/8![Icelandair logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Sun 4/263:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/12![Icelandair logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/287:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/8![Icelandair logo]()
$206
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/8![Icelandair logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/53:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/8![Icelandair logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/307:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/8![Icelandair logo]()
$213
This Delta deal was found by Cheapflights users on 4/12. 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.
Thu 4/301:30 pm
SEA
- OSL
1 stop18h 10m
Delta
Deal found 4/12![Delta logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Sat 5/27:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/12![Icelandair logo]()
$215
This Delta deal was found by Cheapflights users on 4/8. 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.
Sun 4/2611:14 pm
SEA
- OSL
2 stops29h 31m
Delta
Deal found 4/8![Delta logo]()
$219
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 April 13, 2026.
Round-trip from | $479 (oojo) |
|---|---|
One-way from | $192 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $503 |
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 April 13, 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 5/11
5:40 pm-6:35 pm
1 stop15h 55m
Oslo Gardermoen
Sun 5/24
2:10 pm-11:42 am
1 stop30h 32m
$549
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 5/8
10:35 pm-8:45 am
2 stops25h 10m
Oslo Gardermoen
Tue 5/19
2:10 pm-11:42 am
1 stop30h 32m
$552
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 5/13
1:45 pm-6:35 pm
1 stop19h 50m
Oslo Gardermoen
Tue 5/26
6:30 am-4:01 pm
2 stops18h 31m
$560
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 9/7
9:50 pm-8:40 pm
1 stop13h 50m
Oslo Gardermoen
Mon 9/21
6:30 am-7:00 pm
2 stops21h 30m
$571
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 5/8
12:30 pm-4:40 pm
2 stops19h 10m
Oslo Gardermoen
Fri 5/15
11:50 am-4:30 pm
1 stop13h 40m
$588
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 5/4
11:10 am-4:40 pm
2 stops20h 30m
Oslo Gardermoen
Mon 5/11
11:50 am-8:43 pm
2 stops17h 53m
$596
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Mon 5/18
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Mon 5/25
9:20 am-8:11 pm
2 stops19h 51m
$605
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 6/9
9:45 am-8:40 pm
2 stops25h 55m
Oslo Gardermoen
Thu 6/18
2:10 pm-11:37 am
1 stop30h 27m
$616
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/26
1:30 pm-11:45 am
1 stop13h 15m
Oslo Gardermoen
Tue 6/2
6:30 am-7:03 pm
2 stops21h 33m
$623
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 4/25
7:15 am-11:05 am
2 stops18h 50m
Oslo Gardermoen
Wed 5/20
6:30 am-6:48 pm
2 stops21h 18m
$633
Showing 1-10 of 46 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
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 April 10, 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 $317). Flying from Seattle to Oslo in June is currently the most expensive (average of $515). 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?
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 April 13, 2026.
See what other customers who have flown with Delta,Scandinavian Airlines, andIcelandair from Seattle to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
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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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 April 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 April 13, 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 April 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$537 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$504 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$662 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$627 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$498 | Average$667 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$515 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$520 | Average$664 | FlexibilityNo cancel fee | On-time76% |