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$311+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
janv. 17 — janv. 241
sam. 1/17
sam. 1/24
1 adult, Economy
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Cheap flight deals from Oslo to Washington

Cheapest flights from Oslo to Washington
Explore the most affordable flight options available from Oslo to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
ven. 12/191:45 pmOSL - SEA
1 stop31h 25mUnited Airlines
ven. 1/23:10 pmSEA - OSL
1 stop17h 30mUnited Airlines
Deal found 12/16$729
This Delta deal was found by Cheapflights users on 12/15. 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.
lun. 12/2212:40 pmOSL - SEA
1 stop32h 10mDelta
sam. 1/33:10 pmSEA - OSL
1 stop32h 30mDelta
Deal found 12/15$1,118
This Travelis deal was found by Cheapflights users on 12/16. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/2012:40 pmOSL - PDX
1 stop31h 45mKLM
sam. 12/2712:29 pmPDX - OSL
2 stops18h 46mKLM
Deal found 12/16$1,269
This Delta deal was found by Cheapflights users on 12/15. 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.
sam. 12/206:25 amOSL - PDX
2 stops26h 30mDelta
sam. 12/279:19 amPDX - OSL
2 stops22h 01mDelta
Deal found 12/15$1,379
This United Airlines deal was found by Cheapflights users on 12/15. 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.
lun. 12/226:45 amOSL - SEA
2 stops37h 53mUnited Airlines
sam. 1/311:59 pmSEA - OSL
2 stops30h 21mUnited Airlines
Deal found 12/15$1,474
This Flysmarter deal was found by Cheapflights users on 12/16. 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.
sam. 12/206:15 amOSL - PDX
3 stops25h 25mMultiple Airlines
sam. 12/277:00 pmPDX - OSL
2 stops37h 40mMultiple Airlines
Deal found 12/16$1,836
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/206:15 amOSL - PDX
3 stops25h 25mAir Canada
sam. 12/279:50 amPDX - OSL
3 stops22h 50mAir Canada
Deal found 12/17$2,435

Find flight deals from Oslo to Washington

Keep the following information in mind while searching for Oslo to Washington flight deals. Data was last updated décembre 18, 2025.

Round-trip from

$423
(Ticket)

One-way from

$311
(Finnair)

Popular in

March

Cheapest in

May

Average price

$745
From Oslo to Washington
Search Deals
One-way flight from Oslo to Washington
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
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 décembre 18, 2025.
Use the filters below to find and compare flights from Oslo to Washington that are best for you.

Fly from

Oslo

Fly to

Washington

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

dim. 1/25

9:30 pm-5:00 pm

1 stop28h 30m

Seattle/Tacoma Intl

sam. 2/7

2:35 pm-8:35 pm

1 stop21h 00m

$430

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

jeu. 1/29

1:10 pm-5:00 pm

1 stop12h 50m

Seattle/Tacoma Intl

jeu. 2/5

2:35 pm-11:35 am

1 stop12h 00m

$462

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

jeu. 3/5

1:10 pm-5:00 pm

1 stop12h 50m

Seattle/Tacoma Intl

lun. 3/9

3:35 pm-11:35 am

1 stop12h 00m

$487

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

mer. 4/29

9:20 am-4:30 pm

1 stop16h 10m

Seattle/Tacoma Intl

sam. 5/9

1:30 pm-11:50 am

1 stop13h 20m

$494

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

jeu. 1/29

6:30 am-11:50 am

1 stop14h 20m

Seattle/Tacoma Intl

jeu. 2/5

6:05 am-11:50 am

2 stops20h 45m

$499

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

dim. 1/25

6:30 am-2:37 pm

2 stops17h 07m

Seattle/Tacoma Intl

sam. 2/7

1:40 pm-4:20 pm

1 stop17h 40m

$499

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

mar. 4/28

6:30 am-6:52 pm

2 stops21h 22m

Seattle/Tacoma Intl

sam. 5/9

1:30 pm-11:50 am

1 stop13h 20m

$500

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

dim. 1/25

7:20 am-3:55 pm

1 stop17h 35m

Portland

lun. 2/9

5:45 pm-10:40 pm

1 stop19h 55m

$528

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

dim. 1/25

6:05 am-10:32 pm

2 stops25h 27m

Portland

lun. 2/9

7:00 am-5:40 pm

2 stops25h 40m

$556

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

dim. 1/25

8:30 am-10:38 pm

2 stops23h 08m

Portland

lun. 2/9

5:45 pm-10:40 pm

1 stop19h 55m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 28 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.

Cheapflights Insights

Everything you need to know about your flight from Oslo to Washington

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

Currently, February is the cheapest month in which you can book a flight from Oslo to State of Washington (average of $359). Flying from Oslo to State of Washington in July is currently the most expensive (average of $506). 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 décembre 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Oslo to State of Washington in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Oslo to State of Washington?

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 décembre 18, 2025.
Peruse reviews from past customers who have flown with Delta, Scandinavian Airlines, and Icelandair from Oslo to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,606 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
591 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,634 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,585 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Oslo to State of Washington?

    There are many flights that can get you from Oslo to State of Washington in 17h 35m. Fly via Icelandair, British Airways, or Lufthansa to get the fastest option. Airlines will cover a distance of 4674 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $251. American Airlines flights start at $275 while deals on Finnair start at $303 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, February is the cheapest month in which you can book a flight from Oslo to State of Washington (average of $359). Flying from Oslo to State of Washington in July is currently the most expensive (average of $506). 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 décembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$616FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$436Average$539FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$442Average$620FlexibilityNo cancel feeOn-time70%
DeltaCheapest$452Average$480FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$603Average$703FlexibilityNo cancel feeOn-time77%

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