$439 Cheap Flights from Washington (DCA) to Basel (BSL)

View $439 flight on Sat, Mar 28, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL)

Cheap Flights from Washington to Basel (DCA-BSL)

Prices were available within the past 7 days and start at $439 for one-way flights and $496 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$496 Roundtrip, found 20 hours ago
$496
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $496 found 20 hours ago
Delta
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$501 Roundtrip, found 20 hours ago
$501
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $501 found 20 hours ago
Delta
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$515 Roundtrip, found 20 hours ago
$515
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $515 found 20 hours ago
Virgin Atlantic
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$522 Roundtrip, found 20 hours ago
$522
Roundtrip
found 20 hours ago
Select Virgin Atlantic flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $522 found 20 hours ago
Delta
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$527 Roundtrip, found 20 hours ago
$527
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $527 found 20 hours ago
Delta
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$541 Roundtrip, found 20 hours ago
$541
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $541 found 20 hours ago
Delta
Wed, Apr 1 - Fri, Apr 10
DCA
Washington
BSL
Basel
$553 Roundtrip, found 20 hours ago
$553
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Apr 1 from Washington to Basel, returning Fri, Apr 10, priced at $553 found 20 hours ago
American Airlines
Sun, Nov 16 - Tue, Dec 9
DCA
Washington
BSL
Basel
$568 Roundtrip, found 2 days ago
$568
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Nov 16 from Washington to Basel, returning Tue, Dec 9, priced at $568 found 2 days ago
British Airways
Wed, Jan 7 - Wed, Jan 14
DCA
Washington
BSL
Basel
$570 Roundtrip, found 3 days ago
$570
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Jan 7 from Washington to Basel, returning Wed, Jan 14, priced at $570 found 3 days ago
KLM
Wed, Jan 7 - Wed, Jan 14
DCA
Washington
BSL
Basel
$768 Roundtrip, found 3 days ago
$768
Roundtrip
found 3 days ago
Select KLM flight, departing Wed, Jan 7 from Washington to Basel, returning Wed, Jan 14, priced at $768 found 3 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL) cost?
Secure a cheap one-way flight from $439 or cheap return flight from $496 from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL)?
Flying in April can help you save, as it's the cheapest month for flights between DCA and BSL. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from DCA to BSL. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL)?
You'll need to hop on a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DCA to BSL?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL) route, fly before 3 PM. Later departures are 22% more likely to be canceled.**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 Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL) last-minute?
Last-minute fares from DCA to BSL are generally more expensive. For the best rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a DCA to BSL flight and hotel package?
You can save money by booking a DCA to BSL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to EuroAirport Airport (BSL)?
You can usually cancel or reschedule your DCA to BSL flight. However, for bookings made more than 24 hours ago, additional fees 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 information on our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
EuroAirport
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, United
Roundtrip price
$495
Distance
4086 mi

Book with confidence

Washington to Basel Flights

The cheapest times to fly from Washington to Basel

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 Washington to Basel are during the month of April. You can find some of the cheapest flights from Washington to Basel with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Basel

Sunday is one of the best days to book for cheap flights from Washington to Basel: 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 Washington to Basel

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 Washington to Basel in 2025. You can also book with separate airlines for your outbound and return journeys, from $439 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 Washington to Basel 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 Washington to Basel 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.

 

Washington to Basel Flights

Explore a world of travel with Expedia

*Available to One Key members.