$167+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Apr 2 — Apr 91
1 adult, Economy
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Find cheap flights from Seattle to Oslo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Seattle to OsloExplore the most affordable flight options available from Seattle to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 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 March 3, 2026.
This Sembo deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 4/291:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/3![Icelandair logo]()
$361
This oojo deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/27![Icelandair logo]()
$398
This Vliegwinkel deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/127:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sat 4/254:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/3![Icelandair logo]()
$399
This oojo deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/3![Icelandair logo]()
$400
This FlightHub deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Tue 4/281:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/1![Icelandair logo]()
$403
This FlightHub deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 4/291:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 2/27![Icelandair logo]()
$404
This oojo deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 5/51:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/1![Icelandair logo]()
$408
This oojo deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 5/104:30 pm
OSL
- SEA
1 stop34h 25m
Icelandair
Deal found 2/27![Icelandair logo]()
$416
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/1![Icelandair logo]()
$424
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 4/281:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/1![Icelandair logo]()
$425
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 4/304:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/1![Icelandair logo]()
$427
This FlightHub deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 8/103:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 2/28![Scandinavian Airlines logo]()
$588
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 March 3, 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 March 3, 2026.
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:35 pm
SEA
- OSL
2 stops20h 05m
Delta
Tue 4/216:30 am
OSL
- SEA
1 stop14h 15m
Delta
Deal found 3/3![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 8/213:51 pm
SEA
- OSL
2 stops21h 14m
United Airlines
Mon 8/311:05 pm
OSL
- SEA
2 stops40h 38m
United Airlines
Deal found 3/3![United Airlines logo]()
$576
This FlightHub deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Mon 8/103:05 pm
TRF
- SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 2/28![Scandinavian Airlines logo]()
$588
This Orbitz deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:50 pm
SEA
- OSL
2 stops29h 15m
Lufthansa
Mon 7/276:45 pm
OSL
- SEA
1 stop31h 14m
Lufthansa
Deal found 3/3![Lufthansa logo]()
$753
This Finnair deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:40 pm
SEA
- OSL
1 stop17h 30m
Finnair
Sun 5/248:35 am
OSL
- SEA
1 stop16h 25m
Finnair
Deal found 3/3![Finnair logo]()
$757
This Gotogate deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Wed 5/2011:25 pm
SEA
- TRF
2 stops16h 00m
Multiple Airlines
Wed 5/2712:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$763
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Mon 3/305:35 pm
SEA
- TRF
2 stops18h 25m
KLM
Mon 4/69:45 am
TRF
- SEA
2 stops15h 45m
KLM
Deal found 3/2![KLM logo]()
$773
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:35 pm
SEA
- OSL
2 stops20h 05m
Delta
Sun 4/269:20 am
OSL
- SEA
2 stops20h 26m
Delta
Deal found 2/27![Delta logo]()
$511
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/209:45 pm
SEA
- OSL
1 stop13h 55m
Delta
Wed 5/276:30 am
OSL
- SEA
2 stops18h 31m
Delta
Deal found 3/3![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:25 am
SEA
- OSL
2 stops24h 50m
United Airlines
Mon 5/186:45 am
OSL
- SEA
2 stops22h 03m
United Airlines
Deal found 2/28![United Airlines logo]()
$606
This FlightHub deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/2![Scandinavian Airlines logo]()
$628
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:55 pm
SEA
- OSL
1 stop13h 45m
Delta
Wed 8/269:20 am
OSL
- SEA
2 stops20h 21m
Delta
Deal found 2/27![Delta logo]()
$531
This Air France deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:40 pm
SEA
- TRF
2 stops20h 45m
Multiple Airlines
Mon 4/69:45 am
TRF
- SEA
2 stops15h 45m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:54 pm
SEA
- OSL
2 stops24h 11m
United Airlines
Tue 4/216:55 am
OSL
- SEA
3 stops25h 32m
United Airlines
Deal found 2/28![United Airlines logo]()
$729
This KAYAK deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 7/126:35 pm
TRF
- SEA
2 stops36h 42m
Scandinavian Airlines
Deal found 2/27![Scandinavian Airlines logo]()
$741
This Mytrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/318:00 am
SEA
- TRF
2 stops21h 30m
Multiple Airlines
Tue 4/76:00 am
TRF
- SEA
3 stops25h 53m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:35 pm
SEA
- OSL
1 stop13h 45m
Delta
Sun 5/109:20 am
OSL
- SEA
2 stops20h 30m
Delta
Deal found 2/27![Delta logo]()
$667
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:27 pm
SEA
- OSL
2 stops41h 48m
United Airlines
Sun 5/246:25 am
OSL
- SEA
2 stops19h 34m
United Airlines
Deal found 3/1![United Airlines logo]()
$759
This FlightHub deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:55 pm
SEA
- TRF
1 stop15h 40m
Scandinavian Airlines
Sat 7/255:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 2/27![Scandinavian Airlines logo]()
$798
This Icelandair deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Tue 5/512:10 pm
TRF
- SEA
2 stops14h 45m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$825
This FlightHub deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:55 pm
SEA
- TRF
1 stop19h 30m
Scandinavian Airlines
Sat 7/255:10 pm
TRF
- SEA
1 stop29h 35m
Scandinavian Airlines
Deal found 2/28![Scandinavian Airlines logo]()
$798
This Booking.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 pm
SEA
- TRF
2 stops17h 10m
Multiple Airlines
Sat 4/259:05 am
TRF
- SEA
2 stops17h 50m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$884
This KAYAK deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:55 pm
SEA
- TRF
1 stop17h 10m
Scandinavian Airlines
Sun 7/126:35 pm
TRF
- SEA
2 stops36h 42m
Scandinavian Airlines
Deal found 2/27![Scandinavian Airlines logo]()
$906
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated March 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated March 3, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Mon 3/305:35 pm
SEA
- TRF
2 stops18h 25m
KLM
Mon 4/69:45 am
TRF
- SEA
2 stops15h 45m
KLM
Deal found 3/2![KLM logo]()
$773
This FlightHub deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 4/211:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/1![Icelandair logo]()
$429
This FlightHub deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 4/304:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/27![Icelandair logo]()
$404
This Vliegwinkel deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/127:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Sat 4/254:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/3![Icelandair logo]()
$399
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Thu 4/304:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/1![Icelandair logo]()
$427
This FlightHub deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Tue 4/281:50 pm
OSL
- SEA
1 stop15h 50m
Icelandair
Deal found 3/1![Icelandair logo]()
$403
This oojo deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 2/27![Icelandair logo]()
$398
This oojo deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/3![Icelandair logo]()
$400
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Sun 4/264:30 pm
OSL
- SEA
1 stop13h 10m
Icelandair
Deal found 3/1![Icelandair logo]()
$424
This Sembo deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Wed 4/291:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/3![Icelandair logo]()
$361
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Tue 4/281:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/1![Icelandair logo]()
$425
This oojo deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Tue 5/51:50 pm
OSL
- SEA
1 stop13h 05m
Icelandair
Deal found 3/1![Icelandair logo]()
$408
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 March 3, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
This Mytrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/153:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 3/2![Icelandair logo]()
$167
This Ticket deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:05 pm
SEA
- OSL
1 stop32h 35m
KLM
Deal found 3/2![KLM logo]()
$168
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/137:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 3/3![Icelandair logo]()
$174
This oojo deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 pm
SEA
- OSL
1 stop11h 25m
Icelandair
Deal found 3/1![Icelandair logo]()
$176
This Trip.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com 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
Deal found 2/27![Icelandair logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:40 pm
SEA
- OSL
1 stop11h 55m
Icelandair
Deal found 2/27![Icelandair logo]()
$188
This Air France deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/233:10 pm
SEA
- OSL
1 stop15h 35m
Air France
Deal found 3/2![Air France logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 2/27![Icelandair logo]()
$191
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:25 am
SEA
- OSL
2 stops20h 55m
Delta
Deal found 3/2![Delta logo]()
$195
This Booking.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/2011:25 pm
SEA
- OSL
1 stop31h 00m
Icelandair
Deal found 3/3![Icelandair logo]()
$200
This oojo deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:00 pm
SEA
- OSL
1 stop32h 35m
Icelandair
Deal found 2/28![Icelandair logo]()
$201
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:05 pm
SEA
- OSL
1 stop20h 55m
KLM
Deal found 3/2![KLM logo]()
$203
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 March 3, 2026.
Round-trip from | $361 (Sembo) |
|---|---|
One-way from | $167 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $539 |
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 March 3, 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
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 4/14
3:35 pm-8:40 pm
2 stops20h 05m
Oslo Gardermoen
Tue 4/21
6:30 am-11:45 am
1 stop14h 15m
$469
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 4/14
3:35 pm-8:40 pm
2 stops20h 05m
Oslo Gardermoen
Sun 4/26
9:20 am-8:46 pm
2 stops20h 26m
$511
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Wed 5/20
9:45 pm-8:40 pm
1 stop13h 55m
Oslo Gardermoen
Wed 5/27
6:30 am-4:01 pm
2 stops18h 31m
$524
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 8/18
9:55 pm-8:40 pm
1 stop13h 45m
Oslo Gardermoen
Wed 8/26
9:20 am-8:41 pm
2 stops20h 21m
$531
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 8/21
3:51 pm-10:05 pm
2 stops21h 14m
Oslo Gardermoen
Mon 8/31
1:05 pm-8:43 pm
2 stops40h 38m
$576
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Tue 7/28
3:55 pm-8:25 pm
1 stop19h 30m
Oslo Sandefjord
Mon 8/10
3:05 pm-1:45 pm
1 stop31h 40m
$588
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 5/12
7:25 am-5:15 pm
2 stops24h 50m
Oslo Gardermoen
Mon 5/18
6:45 am-7:48 pm
2 stops22h 03m
$606
SeattleOslo
SEA - TRF
SEATRF
Seattle/Tacoma Intl
Sun 6/14
3:55 pm-2:30 pm
1 stop13h 35m
Oslo Sandefjord
Mon 6/22
8:55 pm-1:45 pm
1 stop25h 50m
$628
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Fri 5/1
5:35 pm-4:20 pm
1 stop13h 45m
Oslo Gardermoen
Sun 5/10
9:20 am-8:50 pm
2 stops20h 30m
$667
SeattleOslo
SEA - OSL
SEAOSL
Seattle/Tacoma Intl
Tue 4/14
12:54 pm-10:05 pm
2 stops24h 11m
Oslo Gardermoen
Tue 4/21
6:55 am-11:27 pm
3 stops25h 32m
$729
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
How far ahead should I book a flight from Seattle to Oslo?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Oslo. Price data was last updated on February 27, 2026.
The price you pay for your flight from Seattle to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Oslo?
Currently, April is the cheapest month in which you can book a flight from Seattle to Oslo (average of $327). Flying from Seattle to Oslo in June is currently the most expensive (average of $523). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated March 3, 2026.
See what other customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Seattle to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Seattle to Oslo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oslo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Oslo by cabin class
Find flights from Seattle to Oslo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Oslo flights
Browse other Seattle and Oslo flight options. Last updated on March 3, 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 March 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Seattle to Oslo
Discover the top 8 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 March 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$558 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$390 | Average$509 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$714 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$665 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$491 | Average$766 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$506 | Average$698 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$517 | Average$637 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$524 | Average$695 | FlexibilityNo cancel fee | On-time76% |