Washington, D.C.

$370+ Cheap flights from Oslo to Washington, D.C. (WAS)

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — WAS
feb. 28 — mar. 71
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The best prices from Oslo to Washington, D.C. are usually found in September or November, booked 42 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Oslo to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Washington, D.C. (WAS). 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 februar 23, 2025.

Round-trip from

$392
(Ticket)

Popular in

July

Cheapest in

September

Average price

$444
From Oslo to Washington, D.C. (WAS)
Highest demand for flights based on searches. 15% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Oslo to Washington, D.C.

Cheapest flights from Oslo to Washington, D.C.
Explore the most affordable flight options available from Oslo to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on februar 23, 2025.

This Ticket deal was found by Cheapflights users on 2/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 3/27:15 amOSL - BWI
1 stop17h 30mMultiple Airlines
sø. 3/169:30 pmBWI - OSL
1 stop20h 10mMultiple Airlines
Deal found 2/21$370
This Ticket deal was found by Cheapflights users on 2/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 3/27:15 amOSL - BWI
1 stop17h 30mFinnair
sø. 3/169:30 pmBWI - OSL
2 stops17h 40mFinnair
Deal found 2/21$377
This Ticket deal was found by Cheapflights users on 2/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 3/31:10 pmOSL - IAD
1 stop11h 15mIcelandair
sø. 3/168:40 pmIAD - OSL
1 stop9h 55mIcelandair
Deal found 2/21$384
This Ticket deal was found by Cheapflights users on 2/22. 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.
fr. 3/77:15 amOSL - IAD
1 stop18h 30mBritish Airways
sø. 3/2310:55 pmIAD - OSL
1 stop31h 00mBritish Airways
Deal found 2/22$392
This Ticket deal was found by Cheapflights users on 2/22. 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.
fr. 3/77:15 amOSL - BWI
1 stop17h 30mBritish Airways
sø. 3/239:30 pmBWI - OSL
1 stop32h 25mBritish Airways
Deal found 2/22$394
This Ticket deal was found by Cheapflights users on 2/22. 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.
fr. 3/77:15 amOSL - IAD
1 stop18h 30mMultiple Airlines
sø. 3/2310:55 pmIAD - OSL
2 stops16h 15mMultiple Airlines
Deal found 2/22$398
This Delta deal was found by Cheapflights users on 2/22. 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.
fr. 3/219:20 amOSL - IAD
1 stop12h 25mDelta
to. 4/312:11 pmIAD - OSL
2 stops17h 39mDelta
Deal found 2/22$421
This KLM deal was found by Cheapflights users on 2/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 3/76:30 amOSL - IAD
1 stop15h 15mKLM
to. 3/206:35 pmIAD - OSL
1 stop22h 45mKLM
Deal found 2/21$426
This oojo deal was found by Cheapflights users on 2/22. 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.
ti. 4/81:50 pmOSL - BWI
1 stop11h 35mIcelandair
ti. 4/158:30 pmBWI - OSL
1 stop10h 05mIcelandair
Deal found 2/22$431
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 3/27:15 amOSL - BWI
2 stops20h 24mAmerican Airlines
sø. 3/169:30 pmBWI - OSL
2 stops14h 05mAmerican Airlines
Deal found 2/21$436
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 4/18:35 amOSL - IAD
2 stops17h 35mFinnair
ti. 4/810:40 pmIAD - OSL
2 stops15h 05mFinnair
Deal found 2/20$442
This Flysmarter deal was found by Cheapflights users on 2/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 3/27:15 amOSL - DCA
2 stops16h 44mBritish Airways
sø. 3/166:00 amDCA - OSL
2 stops23h 35mBritish Airways
Deal found 2/21$447

Find flights from Oslo to Washington, D.C. within your budget

Customize your flight search to find flights from Oslo to Washington, D.C. 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 februar 23, 2025.

Fly from

Oslo

Fly to

Washington, D.C.

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

fr. 3/7

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

sø. 3/23

10:55 pm-10:55 am

1 stop31h 00m

$392

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

fr. 3/7

7:15 am-6:45 pm

1 stop17h 30m

Baltimore/Washington

sø. 3/23

9:30 pm-10:55 am

1 stop32h 25m

$394

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

fr. 3/7

7:15 am-7:45 pm

1 stop18h 30m

Washington, D.C. Dulles Intl

sø. 3/23

10:55 pm-8:10 pm

2 stops16h 15m

$398

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

ti. 4/1

1:50 pm-7:20 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

ti. 4/8

8:30 pm-12:35 pm

1 stop10h 05m

$399

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

fr. 3/21

9:20 am-4:45 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

to. 4/3

12:11 pm-11:50 am

2 stops17h 39m

$421

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

fr. 3/7

6:30 am-3:45 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

to. 3/20

6:35 pm-10:20 pm

1 stop22h 45m

$426

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

ti. 4/8

1:50 pm-7:25 pm

1 stop11h 35m

Baltimore/Washington

ti. 4/15

8:30 pm-12:35 pm

1 stop10h 05m

$431

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

ti. 4/1

8:35 am-8:10 pm

2 stops17h 35m

Washington, D.C. Dulles Intl

ti. 4/8

10:40 pm-7:45 pm

2 stops15h 05m

$442

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

on. 4/9

5:40 am-4:15 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

sø. 4/13

5:35 pm-11:55 pm

1 stop24h 20m

$455

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

ti. 4/8

6:30 am-11:13 pm

2 stops22h 43m

Baltimore/Washington

ti. 4/15

10:30 am-11:05 am

2 stops18h 35m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 48 results
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Best time to book a flight from Oslo to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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, D.C.

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

How far ahead should I book a flight from Oslo to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Oslo to Washington, D.C.. Price data was last updated on February 14, 2025.

The price you pay for your flight from Oslo to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 42 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 Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Oslo to Washington, D.C. (average of $309). Flying from Oslo to Washington, D.C. in June is currently the most expensive (average of $389). 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 WAS?

Find hourly flight availability from Oslo to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated februar 23, 2025.

It’s optimal to fly from Oslo to Washington, D.C. in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Washington, D.C. by month

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

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

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

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated februar 23, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Oslo to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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

8.0
Very good
8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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

8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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

8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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

8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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

8.0
Very good

Crew

8.5

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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 to Washington, D.C.. 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 flying from Oslo to Washington, D.C. round-trip?

    British Airways, at $392, was found to be the cheapest airline from Oslo to Washington, D.C..Alternate airlines to your destination round-trip include Icelandair and Delta. These flights start at 23% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Oslo to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as $444 on British Airways. Other airlines that offer cheap prices include Finnair from $445 and TAP AIR PORTUGAL from $479 one-way.

  • What are the most popular routes from Oslo to Washington, D.C.?

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

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

  • How can I find direct flights from Oslo to Washington, D.C.?

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

  • Can I find deals for business class flights from Oslo to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Oslo to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Oslo to Washington, D.C. (average of $309). Flying from Oslo to Washington, D.C. in June is currently the most expensive (average of $389). 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

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
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Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
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Bowie
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National Harbor
Oxon Hill
Gettysburg

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Alternative routes for Oslo to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Oslo to Washington, D.C.

Discover the top 4 airlines that operate flights from Oslo to Washington, D.C.. 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 februar 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$319Average$540FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$354Average$646FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$407Average$490FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$449Average$563FlexibilityNo cancel feeOn-time76%
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