$259+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Sep 8 — Sep 151
Round-trip
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Oslo
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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 August 9, 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 August 9, 2026.
This KAYAK deal was found by Cheapflights users on 8/9. 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.
Wed 8/1210:40 am -
2 stops28h 30m
Thu 8/205:35 am -
2 stops26h 51m
Deal found 8/9![SWISS logo]()
$496
This oojo deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 pm -
1 stop11h 25m
Sat 10/171:50 pm -
1 stop13h 05m
Deal found 8/9![Icelandair logo]()
$497
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:50 pm -
1 stop17h 50m
Sat 12/56:15 am -
1 stop14h 45m
Deal found 8/7![United Airlines logo]()
$498
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:09 am -
2 stops20h 26m
Thu 11/196:15 am -
1 stop14h 45m
Deal found 8/5![Multiple Airlines logo]()
$499
This FlightHub deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:50 pm -
1 stop18h 15m
Wed 9/307:10 am -
1 stop18h 49m
Deal found 8/9![Lufthansa logo]()
$500
This KAYAK deal was found by Cheapflights users on 8/7. 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.
Mon 11/233:35 pm -
2 stops35h 35m
Sun 12/61:00 pm -
2 stops40h 48m
Deal found 8/7![SWISS logo]()
$501
This oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 pm -
1 stop11h 25m
Sun 10/41:50 pm -
1 stop15h 50m
Deal found 8/6![Icelandair logo]()
$502
This deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 pm -
1 stop11h 25m
Sun 10/41:50 pm -
1 stop13h 05m
Deal found 8/5![Icelandair logo]()
$503
This deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:40 pm -
1 stop11h 55m
Tue 10/61:50 pm -
1 stop15h 50m
Deal found 8/5![Icelandair logo]()
$504
This deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:40 pm -
1 stop14h 45m
Sat 10/34:30 pm -
1 stop13h 10m
Deal found 8/5![Icelandair logo]()
$505
This Justfly.com deal was found by Cheapflights users on 8/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:50 pm -
1 stop14h 05m
Mon 8/316:45 am -
2 stops23h 00m
Deal found 8/6![Multiple Airlines logo]()
$506
This oojo deal was found by Cheapflights users on 8/5. 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 8/186:50 pm -
1 stop18h 15m
Thu 10/16:45 am -
1 stop14h 35m
Deal found 8/5![Lufthansa logo]()
$507
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 August 9, 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 August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/142:15 pm -
2 stops18h 25m
Tue 1/196:45 am -
3 stops24h 11m
Deal found 8/5![United Airlines logo]()
$506
This Scandinavian Airlines deal was found by Cheapflights users on 8/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:55 pm -
1 stop21h 40m
Sat 9/267:20 pm -
1 stop27h 25m
Deal found 8/7![Scandinavian Airlines logo]()
$607
This KLM deal was found by Cheapflights users on 8/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:35 pm -
1 stop21h 20m
Fri 11/276:05 am -
1 stop14h 42m
Deal found 8/9![KLM logo]()
$648
This Delta deal was found by Cheapflights users on 8/5. 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 9/161:50 pm -
1 stop17h 30m
Fri 9/259:20 am -
2 stops20h 00m
Deal found 8/5![Delta logo]()
$674
This Mytrip deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 pm -
2 stops17h 10m
Thu 10/158:30 pm -
2 stops28h 30m
Deal found 8/8![Multiple Airlines logo]()
$854
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:11 am -
2 stops29h 54m
Sun 10/46:25 am -
1 stop14h 55m
Deal found 8/8![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:50 pm -
1 stop18h 15m
Mon 9/216:45 am -
3 stops45h 23m
Deal found 8/8![United Airlines logo]()
$524
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop13h 35m
Fri 10/96:00 am -
2 stops26h 52m
Deal found 8/9![Scandinavian Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:11 am -
2 stops26h 14m
Tue 9/2911:45 am -
1 stop14h 14m
Deal found 8/7![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 8/226:50 pm -
2 stops20h 15m
Tue 8/256:55 am -
2 stops36h 10m
Deal found 8/9![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:00 am -
2 stops24h 25m
Sat 9/196:15 am -
1 stop14h 40m
Deal found 8/5![United Airlines logo]()
$535
This Scandinavian Airlines deal was found by Cheapflights users on 8/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:55 pm -
1 stop23h 30m
Thu 10/16:00 am -
2 stops26h 20m
Deal found 8/9![Scandinavian Airlines logo]()
$738
This Icelandair deal was found by Cheapflights users on 8/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 pm -
2 stops14h 00m
Fri 10/912:10 pm -
2 stops14h 45m
Deal found 8/9![Multiple Airlines logo]()
$921
This Scandinavian Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 9/63:55 pm -
1 stop13h 35m
Thu 9/246:00 am -
2 stops26h 20m
Deal found 8/5![Scandinavian Airlines logo]()
$768
This Wideroe deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Wideroe is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:55 pm -
2 stops17h 05m
Tue 9/296:10 am -
2 stops16h 35m
Deal found 8/9![Multiple Airlines logo]()
$938
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm -
1 stop13h 35m
Fri 8/286:00 am -
1 stop16h 45m
Deal found 8/6![Scandinavian Airlines logo]()
$788
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm -
1 stop13h 35m
Tue 9/16:00 am -
2 stops23h 35m
Deal found 8/6![Scandinavian Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1412:00 pm -
2 stops41h 05m
Tue 1/192:35 pm -
2 stops37h 30m
Deal found 8/5![Scandinavian Airlines logo]()
$807
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 8/223:55 pm -
1 stop23h 30m
Tue 9/16:00 am -
1 stop16h 45m
Deal found 8/6![Scandinavian Airlines logo]()
$828
This Scandinavian Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 9/83:55 pm -
1 stop13h 35m
Tue 9/296:00 am -
1 stop16h 45m
Deal found 8/5![Scandinavian Airlines logo]()
$938
Last-minute flights from Seattle to OsloDiscover last-minute flight deals from Seattle to Oslo. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Oslo. Data last updated August 9, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 8/9. 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.
Wed 8/1210:40 am -
2 stops28h 30m
Thu 8/205:35 am -
2 stops26h 51m
Deal found 8/9![SWISS logo]()
$496
This FlightHub deal was found by Cheapflights users on 8/8. 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.
Sun 8/166:50 pm -
1 stop18h 15m
Thu 8/275:35 am -
2 stops22h 32m
Deal found 8/8![Multiple Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 8/178:10 am -
2 stops24h 05m
Thu 8/207:10 am -
1 stop18h 49m
Deal found 8/9![United Airlines logo]()
$498
This oojo deal was found by Cheapflights users on 8/5. 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 8/186:50 pm -
1 stop18h 15m
Thu 10/16:45 am -
1 stop14h 35m
Deal found 8/5![Lufthansa logo]()
$507
This Justfly.com deal was found by Cheapflights users on 8/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:50 pm -
1 stop14h 05m
Mon 8/316:45 am -
2 stops23h 00m
Deal found 8/6![Multiple Airlines logo]()
$506
This FlightHub deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:50 pm -
1 stop18h 15m
Wed 9/307:10 am -
1 stop18h 49m
Deal found 8/9![Lufthansa logo]()
$500
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/136:50 pm -
1 stop18h 15m
Fri 10/26:25 am -
1 stop14h 55m
Deal found 8/9![United Airlines logo]()
$509
This oojo deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:50 pm -
1 stop18h 15m
Tue 9/2911:45 am -
1 stop14h 14m
Deal found 8/9![Lufthansa logo]()
$508
This oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 pm -
1 stop11h 25m
Sun 10/41:50 pm -
1 stop15h 50m
Deal found 8/6![Icelandair logo]()
$502
This deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:40 pm -
1 stop14h 45m
Sat 10/34:30 pm -
1 stop13h 10m
Deal found 8/5![Icelandair logo]()
$505
This deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 pm -
1 stop11h 25m
Sun 10/41:50 pm -
1 stop13h 05m
Deal found 8/5![Icelandair logo]()
$503
This deal was found by Cheapflights users on 8/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:40 pm -
1 stop11h 55m
Tue 10/61:50 pm -
1 stop15h 50m
Deal found 8/5![Icelandair logo]()
$504
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 August 9, 2026.
Search for one-way flight options from Seattle to Oslo. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This oojo deal was found by Cheapflights users on 8/6. 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 10/313:35 pm -
1 stop21h 00m
Deal found 8/6![Icelandair logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/37:00 pm -
3 stops51h 35m
Deal found 8/7![Multiple Airlines logo]()
$264
This oojo deal was found by Cheapflights users on 8/7. 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 8/237:00 pm -
1 stop11h 25m
Deal found 8/7![Icelandair logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 pm -
3 stops51h 45m
Deal found 8/7![Multiple Airlines logo]()
$267
This oojo deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:25 pm -
1 stop31h 00m
Deal found 8/5![Icelandair logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 8/2511:25 pm -
3 stops37h 35m
Deal found 8/9![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 8/2511:25 pm -
3 stops47h 15m
Deal found 8/9![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Sun 8/237:00 pm -
3 stops51h 35m
Deal found 8/9![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Sat 8/2211:25 pm -
3 stops47h 15m
Deal found 8/9![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 10/67:00 pm -
3 stops31h 20m
Deal found 8/9![Multiple Airlines logo]()
$279
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:40 pm -
1 stop14h 45m
Deal found 8/5![Icelandair logo]()
$281
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:25 pm -
1 stop31h 00m
Deal found 8/5![Icelandair logo]()
$283
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 August 9, 2026.
Round-trip from | $496 (oojo) |
|---|---|
One-way from | $259 (oojo) |
Popular in | December |
Cheapest in | January |
Average price | $606 |
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 August 9, 2026.
Use the filters below to find and compare flights from Seattle to Oslo that are best for you.
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SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Thu 1/14
2:15 pm-5:40 pm
2 stops18h 25m
Oslo Gardermoen
Tue 1/19
6:45 am-9:56 pm
3 stops24h 11m
$506
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Fri 9/25
7:11 am-10:05 pm
2 stops29h 54m
Oslo Gardermoen
Sun 10/4
6:25 am-12:20 pm
1 stop14h 55m
$523
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sun 9/13
6:50 pm-10:05 pm
1 stop18h 15m
Oslo Gardermoen
Mon 9/21
6:45 am-7:08 pm
3 stops45h 23m
$524
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 9/9
7:11 am-6:25 pm
2 stops26h 14m
Oslo Gardermoen
Tue 9/29
11:45 am-4:59 pm
1 stop14h 14m
$527
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sat 8/22
6:50 pm-12:05 am
2 stops20h 15m
Oslo Gardermoen
Tue 8/25
6:55 am-10:05 am
2 stops36h 10m
$530
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 9/9
9:00 am-6:25 pm
2 stops24h 25m
Oslo Gardermoen
Sat 9/19
6:15 am-11:55 am
1 stop14h 40m
$535
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 9/22
3:55 pm-10:35 pm
1 stop21h 40m
Oslo Gardermoen
Sat 9/26
7:20 pm-1:45 pm
1 stop27h 25m
$607
SeattleOslo
SEA Seattle/Tacoma Intl - TRF Oslo Sandefjord
SEATRF
Seattle/Tacoma Intl
Sun 10/4
3:55 pm-2:30 pm
1 stop13h 35m
Oslo Sandefjord
Fri 10/9
6:00 am-11:52 pm
2 stops26h 52m
$631
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Sat 11/21
2:35 pm-8:55 pm
1 stop21h 20m
Oslo Gardermoen
Fri 11/27
6:05 am-11:47 am
1 stop14h 42m
$648
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 9/16
1:50 pm-4:20 pm
1 stop17h 30m
Oslo Gardermoen
Fri 9/25
9:20 am-8:20 pm
2 stops20h 00m
$674
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Seattle to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from Seattle with our price prediction graph.
SEA-OS1
SEA-OSL
SEA-TRF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Oslo
SEA-OS1
SEA-OSL
SEA-TRF
What is the cheapest month to book a flight from Seattle to Oslo?
Currently, January is the cheapest month in which you can book a flight from Seattle to Oslo (average of $422). Flying from Seattle to Oslo in December is currently the most expensive (average of $732). 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?
Airfare is below average for this route at the moment.
Seattle to Oslo flights typically cost between $520 and $693 in October.The cheapest round-trip price found within the last 5 days was $496 on Icelandair (Oct 2-Oct 12).
How far ahead should I book a flight from Seattle to Oslo?
The price you pay for your flight from Seattle to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated August 9, 2026.
See what other customers who have flown with KLM,Delta, andScandinavian Airlines from Seattle to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Crew
8.4
Overall
7.8
Entertainment
7.2
Comfort
7.7
Food
7.3
Boarding
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - 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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Alternative routes for Seattle to Oslo
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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 August 9, 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 August 9, 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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$545 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$393 | Average$550 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$426 | Average$647 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$468 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$491 | Average$545 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$493 | Average$684 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$506 | Average$649 | FlexibilityNo cancel fee | On-time75% |