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$325+ Cheap flights from Oslo to Washington

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Oslo to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Washington (USWA). 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 December 18, 2024.

Round-trip from

$434
(Delta)

One-way from

$325
(StudentUniverse)
From Oslo to Washington
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One-way flight from Oslo to Washington
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Best flights from Oslo to Washington
Discover carefully curated flight deals from Oslo to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 1/239:20 amOSL - SEA
2 stops20h 25mDelta
Wed 2/512:40 pmSEA - OSL
1 stop18h 45mDelta
Deal found 12/17$434
This United Airlines deal was found by Cheapflights users on 12/18. 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 2/19:35 amOSL - SEA
2 stops44h 55mUnited Airlines
Sat 2/87:00 amSEA - OSL
3 stops49h 55mUnited Airlines
Deal found 12/18$439
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/237:00 amOSL - SEA
2 stops25h 09mAmerican Airlines
Wed 2/51:35 pmSEA - OSL
2 stops24h 05mAmerican Airlines
Deal found 12/17$441
This Flysmarter deal was found by Cheapflights users on 12/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/218:45 amOSL - SEA
2 stops20h 26mMultiple Airlines
Fri 4/48:20 pmSEA - OSL
2 stops26h 35mMultiple Airlines
Deal found 12/17$450
This Flysmarter deal was found by Cheapflights users on 12/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/216:00 amOSL - SEA
1 stop16h 20mAir Canada
Fri 4/42:20 pmSEA - OSL
1 stop18h 40mAir Canada
Deal found 12/17$455
This KLM deal was found by Cheapflights users on 12/18. 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.
Thu 2/1312:40 pmOSL - PDX
1 stop31h 45mKLM
Mon 2/247:05 amPDX - OSL
2 stops16h 30mKLM
Deal found 12/18$516
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Tue 1/78:10 pmOSL - SEA
1 stop28h 05mVirgin Atlantic
Wed 3/196:45 pmSEA - OSL
1 stop17h 55mVirgin Atlantic
Deal found 12/17$655
This Flysmarter deal was found by Cheapflights users on 12/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/231:05 pmTRF - SEA
2 stops19h 26mScandinavian Airlines
Wed 2/57:30 amSEA - TRF
2 stops20h 05mScandinavian Airlines
Deal found 12/18$672
This Turkish Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:15 pmOSL - SEA
1 stop31h 50mTurkish Airlines
Sat 3/228:00 pmSEA - OSL
1 stop31h 00mTurkish Airlines
Deal found 12/17$880
This Delta deal was found by Cheapflights users on 12/18. 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.
Thu 2/136:30 amOSL - PDX
2 stops26h 28mDelta
Mon 2/241:30 pmPDX - OSL
2 stops20h 20mDelta
Deal found 12/18$453
This Icelandair deal was found by Cheapflights users on 12/17. 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 3/201:10 pmOSL - SEA
1 stop12h 50mIcelandair
Fri 3/213:35 pmSEA - OSL
1 stop12h 00mIcelandair
Deal found 12/17$938
This Lufthansa deal was found by Cheapflights users on 12/17. 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.
Tue 1/76:00 amOSL - SEA
2 stops21h 25mLufthansa
Fri 3/214:10 pmSEA - OSL
1 stop17h 45mLufthansa
Deal found 12/17$1,162

Find flights from Oslo to Washington within your budget

Customize your flight search to find flights from Oslo to Washington 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 December 18, 2024.

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Fly to

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Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 1/23

9:20 am-8:45 pm

2 stops20h 25m

Seattle/Tacoma Intl

Wed 2/5

12:40 pm-4:25 pm

1 stop18h 45m

$434

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 2/1

9:35 am-9:30 pm

2 stops44h 55m

Seattle/Tacoma Intl

Sat 2/8

7:00 am-5:55 pm

3 stops49h 55m

$439

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 1/23

7:00 am-11:09 pm

2 stops25h 09m

Seattle/Tacoma Intl

Wed 2/5

1:35 pm-10:40 pm

2 stops24h 05m

$441

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 3/21

8:45 am-9:11 pm

2 stops20h 26m

Seattle/Tacoma Intl

Fri 4/4

8:20 pm-7:55 am

2 stops26h 35m

$450

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/13

6:30 am-11:58 pm

2 stops26h 28m

Portland

Mon 2/24

1:30 pm-6:50 pm

2 stops20h 20m

$453

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 3/21

6:00 am-2:20 pm

1 stop16h 20m

Seattle/Tacoma Intl

Fri 4/4

2:20 pm-6:00 pm

1 stop18h 40m

$455

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/13

12:40 pm-11:25 am

1 stop31h 45m

Portland

Mon 2/24

7:05 am-8:35 am

2 stops16h 30m

$516

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 1/7

8:10 pm-3:15 pm

1 stop28h 05m

Seattle/Tacoma Intl

Wed 3/19

6:45 pm-8:40 pm

1 stop17h 55m

$655

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 1/23

1:05 pm-11:31 pm

2 stops19h 26m

Seattle/Tacoma Intl

Wed 2/5

7:30 am-12:35 pm

2 stops20h 05m

$672

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 1/7

6:30 am-2:45 pm

2 stops17h 15m

Seattle/Tacoma Intl

Thu 1/16

2:14 pm-10:20 pm

1 stop23h 06m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 31 results
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Best time to book a flight from Oslo to Washington

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

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

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

Currently, January is the cheapest month in which you can book a flight from Oslo to State of Washington (average of $238). Flying from Oslo to State of Washington 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 WA?

Find hourly flight availability from Oslo to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from Oslo to State of Washington, 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 Washington by month

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

In terms of precipitation, rainfall in State of Washington 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 State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 18, 2024.
See what other customers who have flown with Delta and KLM from Oslo to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Cathay Pacific
7.5
Good
841 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

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 Washington. 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 Oslo to State of Washington one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $325. Iberia flights start at $430 while deals on British Airways start at $499 one-way.

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

    Most travelers choose Oslo Gardermoen - Seattle/Tacoma Intl, Oslo Sandefjord - Seattle/Tacoma Intl or Oslo Gardermoen - Portland when deciding on the best route from Oslo to State of Washington.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oslo to State of Washington (average of $238). Flying from Oslo to State of Washington 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 Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Oslo to Washington

Discover the top 5 airlines that operate flights from Oslo to Washington. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$382Average$559FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$415Average$565FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$416Average$608FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$419Average$672FlexibilityNo cancel feeOn-time70%
DeltaCheapest$522Average$726FlexibilityNo cancel feeOn-timeN/A
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