Oslo

$160+ Cheap flights from Washington, D.C. (WAS) 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — OSL
Feb 28 — Mar 71
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Cheap flight deals from Washington, D.C. to Oslo

Cheapest flights from Washington, D.C. to Oslo
Explore the most affordable flight options available from Washington, D.C. to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Ticket deal was found by Cheapflights users on 1/27. 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.
Sat 2/147:40 pm
BWI
-
OSL
1 stop18h 55m
Icelandair
Sun 3/19:30 pm
OSL
-
BWI
1 stop27h 10m
Icelandair
Deal found 1/27$366
This Ticket deal was found by Cheapflights users on 1/27. 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.
Sat 2/147:40 pm
IAD
-
OSL
1 stop18h 55m
Icelandair
Sun 3/19:30 pm
OSL
-
IAD
1 stop27h 00m
Icelandair
Deal found 1/27$366
This oojo deal was found by Cheapflights users on 1/27. 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 4/1610:35 pm
IAD
-
OSL
1 stop13h 15m
TAP AIR PORTUGAL
Thu 4/2312:50 pm
OSL
-
IAD
1 stop13h 45m
TAP AIR PORTUGAL
Deal found 1/27$387
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:30 pm
IAD
-
OSL
1 stop10h 05m
Icelandair
Sun 4/261:50 pm
OSL
-
IAD
1 stop11h 30m
Icelandair
Deal found 1/28$391
This oojo deal was found by Cheapflights users on 1/26. 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.
Tue 2/245:30 pm
IAD
-
OSL
1 stop12h 40m
TAP AIR PORTUGAL
Tue 3/36:45 pm
OSL
-
IAD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 1/26$393
This oojo deal was found by Cheapflights users on 1/27. 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 1/2810:30 pm
IAD
-
OSL
1 stop13h 35m
TAP AIR PORTUGAL
Wed 2/41:00 pm
OSL
-
IAD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 1/27$394
This oojo deal was found by Cheapflights users on 1/26. 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.
Mon 2/237:40 pm
BWI
-
OSL
1 stop9h 55m
Icelandair
Thu 3/51:10 pm
OSL
-
BWI
1 stop11h 30m
Icelandair
Deal found 1/26$396
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:40 pm
IAD
-
OSL
1 stop9h 55m
Icelandair
Tue 3/171:10 pm
OSL
-
IAD
1 stop11h 20m
Icelandair
Deal found 1/27$396
This oojo deal was found by Cheapflights users on 1/29. 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 4/158:30 pm
BWI
-
OSL
1 stop10h 05m
Icelandair
Tue 4/211:50 pm
OSL
-
BWI
1 stop11h 35m
Icelandair
Deal found 1/29$397
This oojo deal was found by Cheapflights users on 1/28. 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 3/47:40 pm
IAD
-
OSL
1 stop9h 55m
Icelandair
Wed 3/111:10 pm
OSL
-
IAD
1 stop11h 20m
Icelandair
Deal found 1/28$397
This oojo deal was found by Cheapflights users on 1/27. 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 4/158:30 pm
IAD
-
OSL
1 stop12h 55m
Icelandair
Tue 4/214:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Deal found 1/27$399
This oojo deal was found by Cheapflights users on 1/27. 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 4/228:30 pm
IAD
-
OSL
1 stop12h 55m
Icelandair
Thu 4/304:30 pm
OSL
-
IAD
1 stop32h 50m
Icelandair
Deal found 1/27$406

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 January 29, 2026.

Round-trip from

$366
(Ticket)

One-way from

$160
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$497
From Washington, D.C. (WAS) to Oslo
One-way flight from Washington, D.C. (WAS) to Oslo
Highest demand for flights based on searches. 16% potential increase in price ($112 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Oslo that are best for you.

Fly from

Washington, D.C.

Fly to

Oslo

Route

Depart

Return

Price

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Sat 2/14

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Sun 3/1

9:30 pm-6:40 pm

1 stop27h 10m

$394

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/23

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Fri 2/27

1:10 pm-6:30 pm

1 stop11h 20m

$451

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Tue 2/24

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

Tue 3/3

1:10 pm-6:40 pm

1 stop11h 30m

$472

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/9

9:45 am-12:10 pm

2 stops20h 25m

Oslo Gardermoen

Thu 2/12

4:35 pm-3:50 pm

1 stop29h 15m

$514

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Mon 2/23

5:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

Fri 2/27

6:15 am-3:50 pm

1 stop15h 35m

$515

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 3/1

6:50 pm-2:45 pm

1 stop13h 55m

Oslo Gardermoen

Fri 3/13

4:25 pm-5:05 pm

1 stop29h 40m

$515

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Sun 2/8

6:50 pm-8:50 pm

1 stop20h 00m

Oslo Gardermoen

Thu 2/12

7:45 am-4:05 pm

1 stop14h 20m

$515

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Thu 4/30

3:16 pm-4:20 pm

2 stops19h 04m

Oslo Gardermoen

Wed 5/6

7:45 am-10:15 pm

2 stops20h 30m

$516

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

Wed 4/22

8:22 am-10:05 pm

2 stops31h 43m

Oslo Gardermoen

Thu 4/30

7:05 am-4:05 pm

1 stop15h 00m

$516

Washington, D.C.Oslo

DCA - OSL

DCAOSL

Washington, D.C. Reagan-National

Wed 4/15

3:16 pm-7:15 pm

2 stops21h 59m

Oslo Gardermoen

Tue 4/21

7:45 am-6:59 pm

2 stops17h 14m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Oslo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Oslo. Price data was last updated on January 23, 2026.

The price you pay for your flight from Washington, D.C. to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 59 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 Washington, D.C. to Oslo?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Oslo (average of $380). Flying from Washington, D.C. to Oslo in June is currently the most expensive (average of $505). 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.

How much does it cost to fly round-trip from Washington, D.C. to Oslo?

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 January 29, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as United Airlines, Scandinavian Airlines, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Oslo. 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 Washington, D.C. to Oslo?

    Departing from Washington, D.C. to Oslo will take you 9h 55m. There are 3848 mi between Washington, D.C. and Oslo. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to Oslo round-trip?

    Currently priced at $389, Icelandair will fly you from Washington, D.C. to Oslo and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and British Airways - these airlines can fly you to your destination from $400 and $512, respectively. Icelandair is currently priced 33% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $159. However, be on the lookout for offers from Icelandair and Lufthansa, as they are both options that can get you from Washington, D.C. to Oslo for a low price.

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

  • Where are the most common layover locations when flying from Washington, D.C. to Oslo?

  • What are some popular things to do or see while on a layover in Reykjavik?

    Most Reykjavik visitors opt to spend their time experiencing Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Travelers on a layover in Reykjavik can visit Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool, by traveling 23.2 mi, 23.3 mi, and 24.6 mi, respectively after landing at Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $52 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to Oslo flights?

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Oslo (average of $380). Flying from Washington, D.C. to Oslo in June is currently the most expensive (average of $505). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Washington, D.C. to Oslo

Discover the top 6 airlines that operate flights from Washington, D.C. 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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$389Average$576FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$715FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$512Average$730FlexibilityNo cancel feeOn-time70%
KLMCheapest$513Average$615FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$529Average$672FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$531Average$739FlexibilityNo cancel feeOn-time69%

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