$289 Cheap Flights from Oslo (OSL) to Washington (DCA)

View $289 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Oslo to Washington (OSL-DCA)

Prices were available within the past 7 days and start at $289 for one-way flights and $477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 11 - Fri, Oct 31
OSL
Oslo
DCA
Washington
$477 Roundtrip, found 3 days ago
$477
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 11 from Oslo to Washington, returning Fri, Oct 31, priced at $477 found 3 days ago
British Airways
Mon, Nov 24 - Mon, Dec 1
OSL
Oslo
DCA
Washington
$478 Roundtrip, found 4 hours ago
$478
Roundtrip
found 4 hours ago
Select British Airways flight, departing Mon, Nov 24 from Oslo to Washington, returning Mon, Dec 1, priced at $478 found 4 hours ago
British Airways
Wed, Dec 3 - Mon, Dec 8
OSL
Oslo
DCA
Washington
$480 Roundtrip, found 3 days ago
$480
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Dec 3 from Oslo to Washington, returning Mon, Dec 8, priced at $480 found 3 days ago
British Airways
Thu, Oct 30 - Mon, Jan 12
OSL
Oslo
DCA
Washington
$481 Roundtrip, found 1 day ago
$481
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Oct 30 from Oslo to Washington, returning Mon, Jan 12, priced at $481 found 1 day ago
British Airways
Thu, May 14 - Mon, May 18
OSL
Oslo
DCA
Washington
$483 Roundtrip, found 5 days ago
$483
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, May 14 from Oslo to Washington, returning Mon, May 18, priced at $483 found 5 days ago
British Airways
Thu, Dec 25 - Tue, Jan 6
OSL
Oslo
DCA
Washington
$485 Roundtrip, found 4 days ago
$485
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Dec 25 from Oslo to Washington, returning Tue, Jan 6, priced at $485 found 4 days ago
British Airways
Thu, Oct 30 - Sat, Jan 10
OSL
Oslo
DCA
Washington
$487 Roundtrip, found 3 days ago
$487
Roundtrip
found 3 days ago
Select British Airways flight, departing Thu, Oct 30 from Oslo to Washington, returning Sat, Jan 10, priced at $487 found 3 days ago
Finnair
Fri, Oct 31 - Sun, Nov 9
OSL
Oslo
DCA
Washington
$502 Roundtrip, found 6 days ago
$502
Roundtrip
found 6 days ago
Select Finnair flight, departing Fri, Oct 31 from Oslo to Washington, returning Sun, Nov 9, priced at $502 found 6 days ago
Air Canada
Mon, Nov 10 - Mon, Nov 17
OSL
Oslo
DCA
Washington
$504 Roundtrip, found 20 hours ago
$504
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Mon, Nov 10 from Oslo to Washington, returning Mon, Nov 17, priced at $504 found 20 hours ago
Delta
Thu, Feb 12 - Wed, Feb 25
OSL
Oslo
DCA
Washington
$543 Roundtrip, found 3 days ago
$543
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 12 from Oslo to Washington, returning Wed, Feb 25, priced at $543 found 3 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $532
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $532
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $525
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $525

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight from $289 or cheap return flight from $477 from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from OSL to DCA is October, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline flying from OSL to DCA, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA)?
There aren't any daily direct flights available from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from OSL to DCA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA)?
Choose a flight from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute fares from OSL to DCA are usually more expensive. To lock in the lowest rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book an OSL to DCA flight and hotel package?
You'll typically save money by securing an OSL to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Ronald Reagan Washington National Airport (DCA)?
It's generally possible to reschedule or cancel your OSL to DCA flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Gardermoen
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, British Airways, Finnair, Scandinavian Airlines, TAP Portugal, Virgin Atlantic
Roundtrip price
$477
Distance
3880 mi

Book with confidence

Book with confidence

Oslo to Washington Flights

The cheapest times to fly from Oslo to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Oslo to Washington are during the month of October. You can find some of the cheapest flights from Oslo to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oslo to Washington

Sunday is one of the best days to book for cheap flights from Oslo to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Oslo to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Oslo to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $289 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Oslo to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Oslo to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Oslo to Washington Flights

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