$197+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
May 10 — May 171
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 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 April 10, 2026.
This Ticket deal was found by Cheapflights users on 4/6. 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 Ticket 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 4/6![Icelandair logo]()
$422
This oojo deal was found by Cheapflights users on 4/5. 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.
Tue 4/147:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 4/211:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/5![Icelandair logo]()
$452
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 5/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Mon 5/111:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 4/6![Icelandair logo]()
$459
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Sat 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 5/61:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/6![Icelandair logo]()
$461
This oojo deal was found by Cheapflights users on 4/7. 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.
Wed 5/67:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 4/7![Icelandair logo]()
$463
This oojo deal was found by Cheapflights users on 4/7. 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.
Sun 5/37:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 4/7![Icelandair logo]()
$469
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 5/201:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/6![Icelandair logo]()
$478
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 5/171:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/9![Icelandair logo]()
$480
This oojo 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 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 4/9![Icelandair logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Tue 6/93:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/166:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$654
This oojo deal was found by Cheapflights users on 4/6. 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.
Tue 8/113:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Thu 8/203:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$666
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Tue 8/113:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 8/186:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$711
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 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 April 10, 2026.
This Delta deal was found by Cheapflights users on 4/6. 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.
Sun 5/105:40 pm
SEA
- OSL
1 stop30h 05m
Delta
Tue 5/2611:50 am
OSL
- SEA
1 stop13h 40m
Delta
Deal found 4/6![Delta logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:55 pm
SEA
- TRF
1 stop13h 35m
Scandinavian Airlines
Tue 6/166:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$615
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:39 am
SEA
- OSL
3 stops44h 36m
United Airlines
Thu 5/216:45 am
OSL
- SEA
2 stops23h 25m
United Airlines
Deal found 4/9![United Airlines logo]()
$792
This Turkish Airlines deal was found by Cheapflights users on 4/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:10 pm
SEA
- OSL
1 stop29h 50m
Turkish Airlines
Wed 4/297:15 am
OSL
- SEA
1 stop19h 00m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$797
This Icelandair deal was found by Cheapflights users on 4/5. 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 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 4/5![Multiple Airlines logo]()
$874
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 Delta deal was found by Cheapflights users on 4/6. 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.
Tue 9/86:00 am
SEA
- OSL
2 stops22h 45m
Delta
Sat 9/198:00 am
OSL
- SEA
2 stops23h 16m
Delta
Deal found 4/6![Delta logo]()
$586
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 Scandinavian Airlines deal was found by Cheapflights users on 4/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:45 pm
SEA
- TRF
2 stops39h 45m
Scandinavian Airlines
Thu 5/76:00 am
TRF
- SEA
2 stops25h 55m
Scandinavian Airlines
Deal found 4/5![Scandinavian Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Fri 8/1411:05 am
SEA
- OSL
2 stops26h 00m
United Airlines
Sun 8/237:10 am
OSL
- SEA
2 stops35h 48m
United Airlines
Deal found 4/6![United Airlines logo]()
$815
This Delta deal was found by Cheapflights users on 4/5. 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.
Wed 5/131:45 pm
SEA
- OSL
1 stop19h 50m
Delta
Wed 5/206:30 am
OSL
- SEA
2 stops21h 35m
Delta
Deal found 4/5![Delta logo]()
$619
This KAYAK deal was found by Cheapflights users on 4/7. 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 7/53:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Wed 7/228:55 pm
TRF
- SEA
2 stops34h 54m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$853
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 FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub 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 4/6![Scandinavian Airlines logo]()
$885
This Mytrip deal was found by Cheapflights users on 4/6. 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 9/18:00 am
SEA
- TRF
2 stops26h 55m
Multiple Airlines
Tue 9/156:00 am
TRF
- SEA
3 stops20h 55m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,106
This Delta deal was found by Cheapflights users on 4/5. 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 4/253:35 pm
SEA
- OSL
2 stops17h 55m
Delta
Wed 5/206:30 am
OSL
- SEA
2 stops21h 35m
Delta
Deal found 4/5![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 9/811:15 am
SEA
- OSL
2 stops17h 25m
Delta
Sun 9/209:20 am
OSL
- SEA
2 stops20h 33m
Delta
Deal found 4/7![Delta logo]()
$805
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:40 am
SEA
- TRF
2 stops41h 50m
Scandinavian Airlines
Wed 4/296:00 am
TRF
- SEA
2 stops23h 43m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$1,120
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated April 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/5. 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.
Tue 4/147:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 4/211:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/5![Icelandair logo]()
$452
This Ticket deal was found by Cheapflights users on 4/6. 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 Ticket 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 4/6![Icelandair logo]()
$422
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Sat 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 5/61:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/6![Icelandair logo]()
$461
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Wed 5/201:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/6![Icelandair logo]()
$478
This oojo deal was found by Cheapflights users on 4/7. 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.
Sun 5/37:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 4/7![Icelandair logo]()
$469
This Scandinavian Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 5/41:45 pm
SEA
- TRF
2 stops39h 45m
Scandinavian Airlines
Thu 5/76:00 am
TRF
- SEA
2 stops25h 55m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$810
This oojo deal was found by Cheapflights users on 4/7. 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.
Wed 5/67:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 4/7![Icelandair logo]()
$463
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Thu 5/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Mon 5/111:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 4/6![Icelandair logo]()
$459
This oojo 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 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 4/9![Icelandair logo]()
$487
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 5/171:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 4/9![Icelandair logo]()
$480
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:00 pm
SEA
- TRF
2 stops24h 25m
Scandinavian Airlines
Tue 5/266:00 am
TRF
- SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$778
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:40 pm
SEA
- TRF
2 stops26h 45m
Scandinavian Airlines
Wed 5/276:00 am
TRF
- SEA
2 stops25h 55m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$849
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 10, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
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 4/7. 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 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 stop14h 45m
Icelandair
Deal found 4/7![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 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 4/6![Icelandair logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/6![Icelandair logo]()
$206
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 Air France deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:30 pm
SEA
- OSL
1 stop15h 40m
Air France
Deal found 4/6![Air France logo]()
$213
This Air France deal was found by Cheapflights users on 4/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:40 pm
SEA
- OSL
1 stop16h 25m
Air France
Deal found 4/7![Air France logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 5/27:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 4/7![Icelandair logo]()
$215
This Delta deal was found by Cheapflights users on 4/7. 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.
Mon 4/2711:10 am
SEA
- OSL
2 stops20h 30m
Delta
Deal found 4/7![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 4/7. 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.
Sun 4/2611:14 pm
SEA
- OSL
2 stops29h 31m
Delta
Deal found 4/7![Delta logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 pm
SEA
- TRF
3 stops37h 55m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$257
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 10, 2026.
Round-trip from | $459 (Mytrip) |
|---|---|
One-way from | $197 (Trip.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 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
Sun 5/10
5:40 pm-8:45 am
1 stop30h 05m
Oslo Gardermoen
Tue 5/26
11:50 am-4:30 pm
1 stop13h 40m
$547
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
Tue 9/8
6:00 am-1:45 pm
2 stops22h 45m
Oslo Gardermoen
Sat 9/19
8:00 am-10:16 pm
2 stops23h 16m
$586
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Tue 6/9
3:55 pm-2:30 pm
1 stop13h 35m
Oslo Sandefjord
Tue 6/16
6:00 am-1:45 pm
1 stop16h 45m
$615
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
Wed 5/13
1:45 pm-6:35 pm
1 stop19h 50m
Oslo Gardermoen
Wed 5/20
6:30 am-7:05 pm
2 stops21h 35m
$619
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 5/10
6:00 am-8:45 am
2 stops17h 45m
Oslo Gardermoen
Thu 5/21
9:20 am-8:11 pm
2 stops19h 51m
$665
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 4/25
3:35 pm-6:30 pm
2 stops17h 55m
Oslo Gardermoen
Wed 5/20
6:30 am-7:05 pm
2 stops21h 35m
$779
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sun 5/10
11:39 am-5:15 pm
3 stops44h 36m
Oslo Gardermoen
Thu 5/21
6:45 am-9:10 pm
2 stops23h 25m
$792
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Sat 4/25
7:10 pm-10:00 am
1 stop29h 50m
Oslo Gardermoen
Wed 4/29
7:15 am-5:15 pm
1 stop19h 00m
$797
Showing 1-10 of 40 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 3, 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 $512). 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 10, 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.
Comfort
7.9
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
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.
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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 April 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 April 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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$537 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$503 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$634 | 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% |