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$339+ Cheap flights from Washington 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Washington to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) 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 November 21, 2024.

Find flight deals from Washington to Oslo

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

This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:34 pmSEA - OSL
1 stop18h 51mMultiple Airlines
Mon 12/96:55 pmOSL - SEA
1 stop25h 57mMultiple Airlines
Deal found 11/20$633
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/42:00 pmSEA - OSL
2 stops37h 10mSWISS
Mon 12/97:05 pmOSL - SEA
2 stops36h 41mSWISS
Deal found 11/20$644
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.
Sat 12/72:35 pmSEA - OSL
1 stop21h 00mIcelandair
Wed 12/111:10 pmOSL - SEA
1 stop12h 50mIcelandair
Deal found 11/20$667
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:45 pmSEA - OSL
1 stop17h 40mBritish Airways
Thu 12/1211:40 amOSL - SEA
2 stops20h 35mBritish Airways
Deal found 11/21$678
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:00 pmSEA - OSL
1 stop13h 55mLufthansa
Thu 12/126:30 amOSL - SEA
1 stop14h 40mLufthansa
Deal found 11/21$682
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.
Sun 12/83:10 pmSEA - OSL
1 stop17h 45mUnited Airlines
Sat 12/1411:50 amOSL - SEA
1 stop34h 30mUnited Airlines
Deal found 11/20$692
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:10 amSEA - OSL
2 stops19h 45mDelta
Tue 12/109:20 amOSL - SEA
1 stop35h 32mDelta
Deal found 11/21$694
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/307:15 pmSEA - OSL
2 stops32h 30mAir Canada
Tue 12/106:10 amOSL - SEA
2 stops25h 00mAir Canada
Deal found 11/21$780
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/77:35 amSEA - OSL
2 stops16h 45mScandinavian Airlines
Tue 12/109:15 amOSL - SEA
2 stops22h 00mScandinavian Airlines
Deal found 11/21$822
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/282:35 pmPDX - OSL
1 stop12h 00mIcelandair
Mon 12/91:10 pmOSL - PDX
1 stop12h 40mIcelandair
Deal found 11/20$875
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.
Sat 12/77:00 pmSEA - OSL
1 stop31h 00mTurkish Airlines
Thu 12/126:15 pmOSL - SEA
1 stop31h 50mTurkish Airlines
Deal found 11/20$915
This Aeromexico deal was found by Cheapflights users on 11/19. 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 11/279:26 amSEA - OSL
2 stops20h 09mAir France
Mon 12/25:25 pmOSL - SEA
2 stops54h 50mAir France
Deal found 11/19$1,003

Find flights from Washington to Oslo within your budget

Customize your flight search to find flights from Washington 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Thu 1/9

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Wed 1/22

1:10 pm-5:00 pm

1 stop12h 50m

$420

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/12

6:30 pm-10:40 pm

1 stop19h 10m

Oslo Gardermoen

Tue 1/28

8:45 am-9:50 pm

2 stops22h 05m

$514

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 2/18

1:35 pm-10:40 pm

1 stop24h 05m

Oslo Gardermoen

Fri 2/28

8:45 am-7:05 pm

2 stops19h 20m

$514

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/12

7:00 am-3:20 pm

2 stops23h 20m

Oslo Gardermoen

Tue 1/28

6:10 am-6:24 pm

2 stops21h 14m

$525

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/12

9:00 am-8:40 pm

2 stops26h 40m

Oslo Gardermoen

Tue 1/28

6:30 am-11:25 am

1 stop13h 55m

$530

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 3/18

2:35 pm-6:10 pm

1 stop19h 35m

Oslo Gardermoen

Wed 3/26

6:50 am-5:55 pm

1 stop19h 05m

$531

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 1/15

6:50 pm-10:40 pm

1 stop18h 50m

Oslo Gardermoen

Wed 2/5

7:00 pm-4:55 pm

1 stop30h 55m

$532

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 2/18

1:35 pm-10:40 pm

1 stop24h 05m

Oslo Gardermoen

Fri 2/28

7:15 am-4:55 pm

1 stop18h 40m

$533

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/12

7:05 am-3:20 pm

2 stops23h 15m

Oslo Gardermoen

Tue 1/28

6:10 am-6:24 pm

2 stops21h 14m

$534

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Tue 3/11

5:45 am-2:55 pm

2 stops25h 10m

Oslo Gardermoen

Thu 3/20

6:30 am-10:00 pm

2 stops23h 30m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 41 results
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Best time to book a flight from Washington to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Washington 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 Washington to Oslo

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

What is the cheapest month to book a flight from State of Washington to Oslo?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Oslo (average of $564). Flying from State of Washington to Oslo in June is currently the most expensive (average of $1,175). 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 WA to OSL?

Find hourly flight availability from Washington to Oslo. 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.

When flying from State of Washington to Oslo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Oslo by month

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

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

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

If weather is an important factor for your trip to Oslo, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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 November 21, 2024.
Peruse reviews from past customers who have flown with Icelandair, Air Canada and Delta from Washington to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,636 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines to fly from State of Washington to Oslo one-way?

    The cheapest airlines for a one-way flight from State of Washington to Oslo are British Airways ($401), KLM ($416), and United Airlines ($420).

  • What are the most popular routes from State of Washington to Oslo?

    While some choose either Seattle/Tacoma Intl - Oslo Sandefjord or Portland - Oslo Gardermoen, Seattle/Tacoma Intl - Oslo Gardermoen is the most popular route from State of Washington to Oslo.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Oslo 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 State of Washington to Oslo?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Oslo (average of $564). Flying from State of Washington to Oslo in June is currently the most expensive (average of $1,175). 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.

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Alternative routes for Washington to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington to Oslo

Discover the top 9 airlines that operate flights from Washington 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$451Average$1,152FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$475Average$707FlexibilityNo cancel feeOn-time70%
FinnairCheapest$543Average$798FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$553Average$676FlexibilityNo cancel feeOn-time71%
KLMCheapest$564Average$993FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$576Average$898FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$576Average$842FlexibilityNo cancel feeOn-time69%
DeltaCheapest$588Average$1,081FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$592Average$902FlexibilityNo cancel feeOn-time77%
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