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$491+ Cheap flights from Reagan-National (DCA) to Basel EuroAirport Swiss (BSL)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BSL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Reagan-National to Basel

Cheapest flights from Reagan-National to Basel
Explore the most affordable flight options available from Reagan-National to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This oojo deal was found by Cheapflights users on 1/25. 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.
Wed 3/116:14 pm
DCA
-
BSL
2 stops15h 41m
British Airways
Wed 3/183:50 pm
BSL
-
DCA
2 stops33h 53m
British Airways
Deal found 1/25$525
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:25 pm
DCA
-
BSL
2 stops16h 30m
American Airlines
Wed 3/186:20 am
BSL
-
DCA
2 stops16h 22m
American Airlines
Deal found 1/26$540
This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:48 pm
DCA
-
BSL
2 stops15h 27m
British Airways
Tue 3/247:00 am
BSL
-
DCA
2 stops16h 33m
British Airways
Deal found 1/25$729
This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:00 pm
DCA
-
BSL
2 stops20h 55m
British Airways
Sun 3/86:35 am
BSL
-
DCA
2 stops19h 26m
British Airways
Deal found 1/25$742
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:15 pm
DCA
-
BSL
3 stops25h 45m
Multiple Airlines
Wed 3/187:25 am
BSL
-
DCA
3 stops31h 56m
Multiple Airlines
Deal found 1/25$811
This Gotogate deal was found by Cheapflights users on 1/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:57 pm
DCA
-
BSL
2 stops15h 08m
British Airways
Sat 2/2811:10 am
BSL
-
DCA
2 stops16h 20m
British Airways
Deal found 1/25$894
This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:53 pm
DCA
-
BSL
2 stops15h 42m
British Airways
Mon 3/210:55 am
BSL
-
DCA
2 stops16h 35m
British Airways
Deal found 1/25$932
This Cheapflightsfares deal was found by Cheapflights users on 1/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:00 pm
DCA
-
BSL
2 stops12h 15m
British Airways
Tue 3/177:00 am
BSL
-
DCA
2 stops14h 37m
British Airways
Deal found 1/24$936
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:59 pm
DCA
-
BSL
2 stops17h 16m
American Airlines
Tue 3/247:00 am
BSL
-
DCA
2 stops16h 33m
American Airlines
Deal found 1/26$956
This Cheapflightsfares deal was found by Cheapflights users on 1/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:59 pm
DCA
-
BSL
2 stops15h 06m
British Airways
Tue 3/107:00 am
BSL
-
DCA
2 stops14h 37m
British Airways
Deal found 1/24$975
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:50 pm
DCA
-
BSL
2 stops13h 45m
Multiple Airlines
Sun 3/291:00 pm
BSL
-
DCA
2 stops14h 53m
Multiple Airlines
Deal found 1/25$1,028
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:34 pm
DCA
-
BSL
2 stops12h 41m
British Airways
Tue 4/148:15 am
BSL
-
DCA
2 stops14h 30m
British Airways
Deal found 1/26$1,040

Find flight deals from Reagan-National to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Basel (BSL). 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$525
(oojo)

One-way from

$491
(Mytrip)
Provider with most accurate pricing for Washington, D.C. Reagan-National-Basel EuroAirport Swiss flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Basel EuroAirport Swiss flights.
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From Washington, D.C. Reagan-National to Basel EuroAirport Swiss
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One-way flight from Washington, D.C. Reagan-National to Basel EuroAirport Swiss
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Basel 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 January 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss that are best for you.

Fly from

Reagan-National

Fly to

Basel

Route

Depart

Return

Price

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 3/11

6:14 pm-2:55 pm

2 stops15h 41m

Basel EuroAirport Swiss

Wed 3/18

3:50 pm-8:43 pm

2 stops33h 53m

$525

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Mon 3/16

1:48 pm-10:15 am

2 stops15h 27m

Basel EuroAirport Swiss

Tue 3/24

7:00 am-6:33 pm

2 stops16h 33m

$729

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 3/4

1:28 pm-10:15 am

2 stops14h 47m

Basel EuroAirport Swiss

Sun 3/8

6:35 am-7:59 am

2 stops31h 24m

$742

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 3/11

4:15 pm-11:00 pm

3 stops25h 45m

Basel EuroAirport Swiss

Wed 3/18

7:25 am-10:21 am

3 stops31h 56m

$811

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Sun 2/15

5:57 pm-3:05 pm

2 stops15h 08m

Basel EuroAirport Swiss

Sat 2/28

11:10 am-9:30 pm

2 stops16h 20m

$894

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Tue 3/10

5:00 pm-10:15 am

2 stops12h 15m

Basel EuroAirport Swiss

Tue 3/17

7:00 am-4:37 pm

2 stops14h 37m

$936

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:15 am

2 stops12h 15m

Basel EuroAirport Swiss

Tue 3/17

7:00 am-4:37 pm

2 stops14h 37m

$936

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Mon 3/16

7:59 pm-6:15 pm

2 stops17h 16m

Basel EuroAirport Swiss

Tue 3/24

7:00 am-6:33 pm

2 stops16h 33m

$956

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Tue 3/3

5:59 pm-3:05 pm

2 stops15h 06m

Basel EuroAirport Swiss

Tue 3/10

7:00 am-4:37 pm

2 stops14h 37m

$975

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Fri 3/20

6:50 pm-1:35 pm

2 stops13h 45m

Basel EuroAirport Swiss

Sun 3/29

1:00 pm-9:53 pm

2 stops14h 53m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 21 results
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  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Basel EuroAirport Swiss flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Basel EuroAirport Swiss flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Basel EuroAirport Swiss flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Basel EuroAirport Swiss flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Basel EuroAirport Swiss flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Reagan-National 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Basel from Washington, D.C. Reagan-National?

    If you book a flight to Basel from Washington, D.C. Reagan-National, you will be flying to EuroAirport Swiss, which is the city’s only airport. Basel EuroAirport Swiss (BSL) is located 3.6 mi from the center of Basel. There are 0 flights from Washington, D.C. Reagan-National to EuroAirport Swiss per day from 0 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss?

    Airlines like British Airways fly from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss in about 15h 41m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Basel EuroAirport Swiss are separated by a distance of 4084 mi.

  • Can I find deals for flights from Reagan-National to Basel that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Basel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Basel.

  • Can I find deals for business class flights from Reagan-National to Basel?

    Yes. Cheapflights offers flight deals from Reagan-National to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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