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OSL - DCA

Find cheap flights from Oslo to Reagan Washington National Airport from $447

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oslo to Reagan-National departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

Search hundreds of travel sites at once for deals on flights to Reagan Washington National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oslo to Washington, D.C., as well as popular online travel agencies
In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Cheap flight deals from Oslo to Reagan-National (OSL-DCA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oslo to Reagan-National that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:15 pm - 11:24 pmOSL-DCA
36h 09m2 stops
5:30 pm - 4:35 pmDCA-OSL
17h 05m2 stops
$600Finnair
Find Deal
Sun, May 26 - Mon, Jun 10
11:45 am - 10:00 pmOSL-DCA
16h 15m2 stops
12:32 pm - 10:25 amDCA-OSL
15h 53m2 stops
$2,973British Airways
Find Deal
Wed, Aug 28 - Mon, Sep 2
7:40 am - 7:30 pmOSL-DCA
17h 50m2 stops
7:30 pm - 4:15 pmDCA-OSL
14h 45m2 stops
$3,922British Airways
Find Deal
Sun, Jun 23 - Thu, Jun 27

Flights from Oslo to Reagan-National - Travel Insights & Trends

Get data-powered insights and trends into flights from Oslo to Reagan-National to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Oslo to Reagan Washington National Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Oslo to Reagan Washington National Airport were found on Finnair ($600) and British Airways ($2,973). British Airways proposed the cheapest one-way flight at $447.

Good to know

Low season

March

High season

June

Cheapest flight

$447
Best time to beat the crowds with an average 41% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Oslo to Reagan Washington National Airport

When to book flights from Oslo to Reagan-National

Are your dates flexible? Find out the best times to travel from Oslo to Reagan-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Oslo to Reagan Washington National Airport flights

  • What is the cheapest flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport?

    In the last 3 days, the lowest price for a flight from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport was $447 for a one-way ticket and $600 for a round-trip.

  • Do I need a passport to fly between Oslo and Reagan Washington National Airport?

    Yes, you’ll need a passport to travel to Reagan Washington National Airport from Oslo.

  • Which aircraft models fly most regularly from Oslo to Reagan Washington National Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Oslo to Reagan Washington National Airport?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Oslo and Reagan Washington National Airport, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Oslo to Reagan Washington National Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oslo to Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oslo to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Oslo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oslo to Reagan Washington National Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Oslo with another airline. Booking your flights between Oslo and DCA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oslo to Reagan Washington National Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Oslo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Oslo to Washington, D.C.

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Oslo to Washington, D.C. found on KAYAK in the last 72 hours.
9/18Wed
2 stopsBritish Airways
23h 55mOSL-DCA
$447
9/2Mon
2 stopsAmerican Airlines
29h 39mOSL-DCA
$465
6/4Tue
2 stopsFinnair
16h 14mOSL-DCA
$477
6/8Sat
2 stopsBritish Airways
19h 49mOSL-DCA
$478
8/7Wed
2 stopsDelta
15h 42mOSL-DCA
$587
9/18Wed
3 stops
31h 19mOSL-DCA
$615
8/7Wed
3 stops
35h 27mOSL-DCA
$634
7/23Tue
2 stopsDelta
16h 55mOSL-DCA
$640
8/3Sat
2 stopsIberia
25h 33mOSL-DCA
$666
8/4Sun
2 stopsIberia
21h 23mOSL-DCA
$667

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Oslo - Reagan Washington National Airport Flights

Departure:

Oslo (undefined)Norway

Destination:

Reagan Washington National Airport (DCA)United States

Return flight deals:

Reagan Washington National Airport - Oslo

Cabin classes: