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$355+ Cheap flights from Oslo Gardermoen (OSL) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Oslo Gardermoen to Washington

Keep the following information in mind while searching for Oslo Gardermoen to Washington flight deals. Data was last updated February 20, 2025.

Round-trip from

$355
(Ticket)

Popular in

August

Cheapest in

March

Average price

$509
From Oslo Gardermoen to Washington
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Oslo Gardermoen to Washington

Cheapest flights from Oslo Gardermoen to Washington
Explore the most affordable flight options available from Oslo Gardermoen to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:30 pmOSL - SEA
1 stop28h 30mMultiple Airlines
Mon 5/58:20 pmSEA - OSL
1 stop18h 10mMultiple Airlines
Deal found 2/20$355
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/254:20 pmOSL - SEA
1 stop13h 20mIcelandair
Wed 4/307:00 pmSEA - OSL
1 stop32h 35mIcelandair
Deal found 2/20$382
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:15 amOSL - SEA
2 stops25h 33mBritish Airways
Mon 3/247:00 amSEA - OSL
2 stops31h 40mBritish Airways
Deal found 2/20$395
This Travelis deal was found by Cheapflights users on 2/20. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:35 amOSL - SEA
2 stops23h 34mFinnair
Sun 5/45:40 pmSEA - OSL
1 stop17h 05mFinnair
Deal found 2/20$407
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/237:15 amOSL - PDX
1 stop18h 20mAmerican Airlines
Sun 4/62:58 pmPDX - OSL
2 stops23h 42mAmerican Airlines
Deal found 2/20$455
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 4/256:35 amOSL - SEA
3 stops27h 33mUnited Airlines
Tue 4/293:24 pmSEA - OSL
2 stops17h 51mUnited Airlines
Deal found 2/20$464
This Flysmarter deal was found by Cheapflights users on 2/20. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:35 amOSL - SEA
2 stops25h 08mLufthansa
Wed 4/236:50 pmSEA - OSL
1 stop18h 20mLufthansa
Deal found 2/20$482
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/236:30 amOSL - PDX
2 stops20h 16mDelta
Sun 4/61:00 pmPDX - OSL
2 stops18h 40mDelta
Deal found 2/20$498
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/273:00 pmOSL - PDX
1 stop34h 35mMultiple Airlines
Thu 3/66:00 amPDX - OSL
2 stops43h 35mMultiple Airlines
Deal found 2/19$547
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/271:30 pmOSL - PDX
3 stops29h 04mAir Canada
Thu 3/610:10 amPDX - OSL
3 stops20h 20mAir Canada
Deal found 2/19$979
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:50 pmOSL - SEA
2 stops36h 36mTAP AIR PORTUGAL
Mon 5/511:35 amSEA - OSL
3 stops22h 40mTAP AIR PORTUGAL
Deal found 2/20$1,462
This Ethiopian Air deal was found by Cheapflights users on 2/20. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/187:45 pmOSL - SEA
4 stops57h 36mEthiopian Air
Wed 4/238:15 amSEA - OSL
4 stops39h 30mEthiopian Air
Deal found 2/20$2,723

Find flights from Oslo Gardermoen to Washington within your budget

Customize your flight search to find flights from Oslo Gardermoen 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 February 20, 2025.

Fly from

Oslo Gardermoen

Fly to

Washington

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 5/2

8:30 pm-4:00 pm

1 stop28h 30m

Seattle/Tacoma Intl

Mon 5/5

8:20 pm-11:30 pm

1 stop18h 10m

$355

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 4/25

4:20 pm-8:40 pm

1 stop13h 20m

Seattle/Tacoma Intl

Wed 4/30

7:00 pm-12:35 pm

1 stop32h 35m

$382

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 3/10

7:15 am-12:48 am

2 stops25h 33m

Seattle/Tacoma Intl

Mon 3/24

7:00 am-10:40 pm

2 stops31h 40m

$395

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 5/1

8:35 am-11:09 pm

2 stops23h 34m

Seattle/Tacoma Intl

Sun 5/4

5:40 pm-7:45 pm

1 stop17h 05m

$407

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 3/23

7:15 am-5:35 pm

1 stop18h 20m

Portland

Sun 4/6

2:58 pm-11:40 pm

2 stops23h 42m

$455

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 4/25

6:35 am-1:08 am

3 stops27h 33m

Seattle/Tacoma Intl

Tue 4/29

3:24 pm-6:15 pm

2 stops17h 51m

$464

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 4/18

6:35 am-10:43 pm

2 stops25h 08m

Seattle/Tacoma Intl

Wed 4/23

6:50 pm-10:10 pm

1 stop18h 20m

$482

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 3/23

6:30 am-6:46 pm

2 stops20h 16m

Portland

Sun 4/6

1:00 pm-4:40 pm

2 stops18h 40m

$498

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 5/2

6:50 pm-10:26 pm

2 stops36h 36m

Seattle/Tacoma Intl

Mon 5/5

11:35 am-7:15 pm

3 stops22h 40m

$1,462

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 4/18

7:45 pm-8:21 pm

4 stops57h 36m

Seattle/Tacoma Intl

Wed 4/23

8:15 am-8:45 am

4 stops39h 30m

$2,723

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 14 results
1
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Best time to book a flight from Oslo Gardermoen to Washington

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

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

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

Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to State of Washington (average of $238). Flying from Oslo Gardermoen Airport 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 Gardermoen 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 February 20, 2025.

When flying from Oslo Gardermoen Airport 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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Cathay Pacific
7.5
Good
821 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Gardermoen to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

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

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Alternative routes for Oslo Gardermoen to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Sandefjord to Las Vegas flights
Sandefjord to Dulles Intl flights
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Sandefjord to Orlando flights
Oslo Gardermoen to Philadelphia flights
Oslo Gardermoen to Charlotte flights
Oslo Gardermoen to Oklahoma City flights

Top 5 airlines flying from Oslo Gardermoen to Washington

Discover the top 5 airlines that operate flights from Oslo Gardermoen 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$382Average$567FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$395Average$561FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$416Average$608FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$419Average$675FlexibilityNo cancel feeOn-time70%
DeltaCheapest$452Average$619FlexibilityNo cancel feeOn-timeN/A
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