Oslo

$250+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — OSL
oct. 16 — oct. 231
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Cheapflights Tip: The best prices from Washington, D.C. to Oslo are usually found in February or September, booked 67 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap 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 septiembre 16, 2025.

Round-trip from

$395
(CrystalTravel)

One-way from

$250
(Ticket)

Popular in

December

Cheapest in

February

Average price

$501
From Washington, D.C. (WAS) to Oslo
One-way flight from Washington, D.C. (WAS) to Oslo
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 septiembre 16, 2025.

This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/308:40 pmIAD - OSL
1 stop9h 55mIcelandair
jue. 11/61:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 9/15$406
This oojo deal was found by Cheapflights users on 9/14. 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.
sáb. 11/297:40 pmIAD - OSL
1 stop9h 55mIcelandair
sáb. 12/61:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 9/14$430
This oojo deal was found by Cheapflights users on 9/14. 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.
mié. 12/37:40 pmIAD - OSL
1 stop9h 55mIcelandair
dom. 12/79:30 pmOSL - IAD
1 stop27h 00mIcelandair
Deal found 9/14$432
This oojo deal was found by Cheapflights users on 9/14. 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.
lun. 12/15:30 pmIAD - OSL
1 stop18h 25mTAP AIR PORTUGAL
lun. 12/86:45 pmOSL - IAD
1 stop25h 50mTAP AIR PORTUGAL
Deal found 9/14$435
This oojo deal was found by Cheapflights users on 9/14. 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.
mar. 10/1410:20 pmIAD - OSL
1 stop31h 40mTAP AIR PORTUGAL
mar. 10/216:50 pmOSL - IAD
1 stop26h 30mTAP AIR PORTUGAL
Deal found 9/14$441
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3111:30 pmIAD - OSL
1 stop13h 25mTAP AIR PORTUGAL
vie. 11/71:00 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/16$443
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2810:30 pmIAD - OSL
1 stop31h 40mTAP AIR PORTUGAL
vie. 12/51:00 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/15$452
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:59 pmIAD - OSL
2 stops31h 21mScandinavian Airlines
dom. 12/79:05 pmOSL - IAD
1 stop26h 10mScandinavian Airlines
Deal found 9/14$464
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/45:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
sáb. 12/136:45 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/14$467
This Icelandair deal was found by Cheapflights users on 9/14. 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.
mié. 12/37:40 pmBWI - OSL
1 stop9h 55mIcelandair
dom. 12/71:05 pmOSL - BWI
1 stop11h 35mIcelandair
Deal found 9/14$475
This CrystalTravel deal was found by Cheapflights users on 9/14. 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.
jue. 12/47:40 pmBWI - OSL
1 stop9h 55mIcelandair
sáb. 12/131:10 pmOSL - BWI
1 stop11h 30mIcelandair
Deal found 9/14$483
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/71:00 pmBWI - OSL
2 stops19h 10mScandinavian Airlines
jue. 10/169:00 amOSL - BWI
2 stops20h 13mScandinavian Airlines
Deal found 9/14$484

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 septiembre 16, 2025.
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

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 1/8

12:30 pm-5:20 pm

2 stops22h 50m

Oslo Gardermoen

mié. 1/21

8:00 am-5:15 pm

1 stop15h 15m

$418

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

sáb. 1/10

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

vie. 1/23

1:10 pm-6:30 pm

1 stop11h 20m

$432

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 1/8

8:30 pm-1:10 pm

1 stop10h 40m

Oslo Gardermoen

mar. 1/20

9:05 pm-5:15 pm

1 stop26h 10m

$446

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

dom. 1/11

12:30 pm-6:15 pm

2 stops23h 45m

Oslo Gardermoen

mié. 1/21

9:00 am-5:15 pm

1 stop14h 15m

$448

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

dom. 1/11

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

jue. 1/22

1:10 pm-6:40 pm

1 stop11h 30m

$464

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 1/8

8:30 pm-2:15 pm

1 stop11h 45m

Oslo Gardermoen

lun. 1/19

8:00 am-3:20 pm

1 stop13h 20m

$468

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

jue. 1/8

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

vie. 1/23

1:10 pm-6:40 pm

1 stop11h 30m

$471

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

vie. 1/9

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

lun. 1/19

1:10 pm-6:40 pm

1 stop11h 30m

$471

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

vie. 1/9

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

vie. 1/23

1:10 pm-6:40 pm

1 stop11h 30m

$471

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

mié. 12/3

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

dom. 12/7

1:05 pm-6:40 pm

1 stop11h 35m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 12, 2025.

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 67 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo (average of $567). Flying from Washington, D.C. to Oslo in June is currently the most expensive (average of $1,006). 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 WAS to OSL?

Find hourly flight availability from Washington, D.C. to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

It’s typically best to fly out from Washington, D.C. to Oslo in the morning. Doing so could potentially save you 38% on the flight price compared to flying at noon, which is usually more expensive.

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 septiembre 16, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Oslo, such as Scandinavian Airlines, United Airlines, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Food

6.7

Crew

8.0

Entertainment

6.6

Boarding

7.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

Comfort

7.3

Food

6.7

Crew

8.0

Entertainment

6.6

Boarding

7.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

Comfort

7.3

Food

6.7

Crew

8.0

Entertainment

6.6

Boarding

7.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

Comfort

7.3

Food

6.7

Crew

8.0

Entertainment

6.6

Boarding

7.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

Comfort

7.3

Food

6.7

Crew

8.0

Entertainment

6.6

Boarding

7.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

Comfort

7.3

Food

6.7

Crew

8.0

Entertainment

6.6

Boarding

7.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

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 3885 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 $395, 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 $517, 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 $250. However, be on the lookout for offers from Air Canada and Scandinavian Airlines, 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 Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool. Travelers on a layover in Reykjavik can visit Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool, by traveling 23.3 mi, 23.2 mi, and 24.6 mi, respectively after landing at Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $56 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo (average of $567). Flying from Washington, D.C. to Oslo in June is currently the most expensive (average of $1,006). 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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Top 8 airlines flying from Washington, D.C. to Oslo

Discover the top 8 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$585FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$695FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$758FlexibilityNo cancel feeOn-time70%
DeltaCheapest$538Average$597FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$543Average$581FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$545Average$750FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$560Average$726FlexibilityNo cancel feeOn-time76%
KLMCheapest$569Average$740FlexibilityNo cancel feeOn-time75%

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