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OSL - DCA

Find cheap flights from Oslo to Reagan Washington National Airport from $404

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 6/11. 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
Mon 6/3
Mon 6/10

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 43,369,418 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

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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
9:20 am - 7:30 pmOSL-DCA
16h 10m2 stops
11:00 am - 8:45 amDCA-OSL
15h 45m2 stops
$424Delta
Find Deal
Fri, May 31 - Tue, Jun 4
8:35 am - 11:24 pmOSL-DCA
20h 49m2 stops
5:30 pm - 11:55 pmDCA-OSL
24h 25m2 stops
Fri, May 24 - Thu, Jun 13
8:35 am - 11:04 pmOSL-DCA
20h 29m2 stops
5:30 pm - 8:20 pmDCA-OSL
20h 50m2 stops
$590Finnair
Find Deal
Thu, Jun 13 - Wed, Jul 10
9:00 pm - 11:03 pmOSL-DCA
32h 03m2 stops
12:30 pm - 12:30 pmDCA-OSL
18h 00m2 stops
Thu, Jul 4 - Thu, Jul 25

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.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Oslo Gardermoen Airport to Washington, D.C. Reagan-National Airport is January, where tickets cost $368 on average. On the other hand, the most expensive months are February and April, where the average cost of tickets is $1,039 and $848 respectively.

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 Delta ($424) and Finnair ($590). British Airways proposed the cheapest one-way flight at $443.

Good to know

Low season

May

High season

November

Cheapest flight

$404
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly and prices are also 22% 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 $404 for a one-way ticket and $424 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.
6/11Tue
2 stops
35h 27mOSL-DCA
$404
6/13Thu
2 stops
52h 15mOSL-DCA
$419
10/13Sun
2 stopsBritish Airways
23h 30mOSL-DCA
$443
10/6Sun
2 stopsIcelandair
23h 12mOSL-DCA
$447
6/13Thu
2 stopsFinnair
15h 54mOSL-DCA
$470
6/12Wed
2 stopsBritish Airways
20h 29mOSL-DCA
$477
7/3Wed
2 stopsFinnair
32h 04mOSL-DCA
$479
7/6Sat
2 stopsBritish Airways
34h 55mOSL-DCA
$502
8/9Fri
2 stopsDelta
16h 52mOSL-DCA
$587
7/23Tue
2 stopsDelta
16h 50mOSL-DCA
$632

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Oslo - Reagan Washington National Airport Flights

Departure:

Oslo (OSL)Norway

Destination:

Reagan Washington National Airport (DCA)United States

Return flight deals:

Reagan Washington National Airport - Oslo

Cabin classes: