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$329+ Cheap flights from Oslo to Seattle (SEA)

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Oslo to Seattle/Tacoma Intl are usually found in October or February, booked 54 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Oslo to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Seattle (SEA). 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 November 21, 2024.

Popular in

August

Cheapest in

October

Round-trip from

$422
(American Airlines)

One-way from

$329
(StudentUniverse)
High demand for flights, 30% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Oslo to Seattle/Tacoma Intl
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One-way flight from Oslo to Seattle/Tacoma Intl
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Find flight deals from Oslo to Seattle

Cheapest flights from Oslo to Seattle
Explore the most affordable flight options available from Oslo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” 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 11/216:00 amOSL - SEA
2 stops40h 43mUnited Airlines
Mon 12/212:55 pmSEA - OSL
2 stops25h 35mUnited Airlines
Deal found 11/20$599
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/226:30 amOSL - SEA
2 stops24h 37mAir Canada
Mon 12/27:15 pmSEA - OSL
2 stops34h 40mAir Canada
Deal found 11/20$633
This Lufthansa deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/226:30 amOSL - SEA
2 stops22h 50mLufthansa
Mon 12/22:00 pmSEA - OSL
1 stop13h 45mLufthansa
Deal found 11/20$705
This KAYAK deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” 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 12/48:50 pmOSL - SEA
2 stops47h 30mMultiple Airlines
Sat 12/216:50 pmSEA - OSL
1 stop30h 45mMultiple Airlines
Deal found 11/20$725
This FlightHub deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” 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.
Thu 11/216:15 pmOSL - SEA
1 stop31h 50mTurkish Airlines
Mon 12/27:00 pmSEA - OSL
1 stop31h 00mTurkish Airlines
Deal found 11/20$735
This Justfly.com deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” 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.
Wed 12/46:50 amOSL - SEA
1 stop19h 05mBritish Airways
Sat 12/216:50 pmSEA - OSL
1 stop30h 45mBritish Airways
Deal found 11/21$748
This Cheapflightsfares deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” 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.
Thu 11/211:00 pmTRF - SEA
2 stops20h 25mScandinavian Airlines
Mon 12/28:35 amSEA - TRF
2 stops18h 50mScandinavian Airlines
Deal found 11/20$1,015
This Aeromexico deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/41:00 pmTRF - SEA
2 stops31h 20mAir France
Sat 12/211:35 pmSEA - TRF
2 stops19h 50mAir France
Deal found 11/20$2,081

Find flights from Oslo to Seattle within your budget

Customize your flight search to find flights from Oslo to Seattle 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 1/25

1:45 pm-9:30 pm

2 stops40h 45m

Seattle/Tacoma Intl

Sat 2/1

7:00 am-5:10 pm

3 stops49h 10m

$435

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 1/13

5:25 pm-5:00 pm

2 stops32h 35m

Seattle/Tacoma Intl

Sun 1/26

2:35 pm-10:10 am

3 stops34h 35m

$665

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 12/4

6:50 am-4:55 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sat 12/21

6:50 pm-11:00 pm

1 stop19h 10m

$667

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 12/4

6:50 am-4:55 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sat 12/21

6:50 pm-10:35 am

1 stop30h 45m

$748

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 2/14

6:20 am-12:05 pm

1 stop14h 45m

Seattle/Tacoma Intl

Tue 2/18

1:40 pm-6:50 pm

2 stops20h 10m

$1,103

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 1/25

10:00 am-11:16 am

3 stops34h 16m

Seattle/Tacoma Intl

Sat 2/1

7:08 am-8:25 pm

3 stops28h 17m

$1,313

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 2/14

1:10 pm-5:00 pm

1 stop12h 50m

Seattle/Tacoma Intl

Tue 2/18

2:35 pm-11:35 am

1 stop12h 00m

$1,609

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 12/4

1:00 pm-11:20 am

2 stops31h 20m

Seattle/Tacoma Intl

Sat 12/21

1:35 pm-6:25 pm

2 stops19h 50m

$2,081

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 1/25

6:45 pm-8:31 pm

4 stops58h 46m

Seattle/Tacoma Intl

Sat 2/1

8:00 am-7:45 am

4 stops38h 45m

$2,671

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 2/14

1:05 pm-11:08 pm

2 stops43h 03m

Seattle/Tacoma Intl

Tue 2/18

10:15 am-12:35 pm

2 stops41h 20m

$3,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 18 results
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Best time to book a flight from Oslo to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Oslo with our price prediction graph.
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.

Travel insights for flights from Oslo to Seattle

Get recent, data-driven insights about flights from Oslo to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Oslo to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Oslo to Seattle. Price data was last updated on November 15, 2024.

The price you pay for your flight from Oslo to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 54 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 Oslo to Seattle?

Currently, January is the cheapest month in which you can book a flight from Oslo to Seattle (average of $238). Flying from Oslo to Seattle in July is currently the most expensive (average of $411). 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.

What is the cheapest time of day to fly from OSL to SEA?

Find hourly flight availability from Oslo to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s typically best to fly out from Oslo to Seattle at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 21, 2024.
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,525 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.4
Good
3,914 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Scandinavian Airlines
7.3
Good
1,301 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Oslo?

    If you book a flight to Seattle from Oslo, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Oslo to Seattle/Tacoma Intl per day from 6 different airlines.

  • What are the cheapest airlines flying from Oslo to Seattle round-trip?

    Cheapflights users have booked flights from Oslo to Seattle round-trip from $422. Other airlines that can offer you cheap pricing are United Airlines, from $435, and British Airways, from $748. Users have found that American Airlines is 27% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Oslo to Seattle one-way?

    One-way options have recently been found by users for as low as $329 on Icelandair. Other airlines that offer cheap prices include British Airways from $433 and Lufthansa from $470 one-way.

  • Can I find deals for flights from Oslo to Seattle that include hotel bookings?

    Yes. In addition to deals on Oslo to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oslo to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo to Seattle.

  • Can I find deals for business class flights from Oslo to Seattle?

    Yes. Cheapflights offers flight deals from Oslo to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oslo to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Oslo to Seattle (average of $238). Flying from Oslo to Seattle in July is currently the most expensive (average of $411). 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.

See more FAQs

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Alternative routes for Oslo to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Seattle flights
Oslo Gardermoen to Portland flights
Sandefjord to Seattle flights
Stavanger to Portland flights
Sandefjord to Portland flights

Top 6 airlines flying from Oslo to Seattle

Discover the top 6 airlines that operate flights from Oslo to Seattle. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$382Average$605FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$398Average$668FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$415Average$577FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$433Average$739FlexibilityNo cancel feeOn-time71%
FinnairCheapest$445Average$501FlexibilityNo cancel feeOn-time76%
DeltaCheapest$522Average$823FlexibilityNo cancel feeOn-timeN/A
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