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$422+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$516
(American Airlines)

One-way from

$422
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$951
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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Highest demand for flights based on searches. 60% potential increase in price ($2,149 potential increase over avg. RT price).
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Cheapest flight prices on average. 44% potential price decrease ($425 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/52:54 pmDCA - BSL
2 stops14h 01mAmerican Airlines
Tue 8/1911:55 amBSL - DCA
2 stops16h 44mAmerican Airlines
Deal found 6/10$516
This British Airways deal was found by Cheapflights users on 6/11. 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 8/184:40 pmDCA - BSL
2 stops12h 20mBritish Airways
Wed 8/206:40 amBSL - DCA
2 stops15h 36mBritish Airways
Deal found 6/11$518
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Tue 12/26:00 amDCA - BSL
2 stops22h 05mMultiple Airlines
Tue 12/910:40 amBSL - DCA
2 stops17h 57mMultiple Airlines
Deal found 6/12$524
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Tue 12/211:00 amDCA - BSL
2 stops17h 05mAir Canada
Tue 12/910:40 amBSL - DCA
2 stops17h 57mAir Canada
Deal found 6/11$563
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:25 pmDCA - BSL
2 stops14h 05mDelta
Wed 8/206:15 amBSL - DCA
2 stops16h 18mDelta
Deal found 6/10$596
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amDCA - BSL
2 stops21h 40mUnited Airlines
Sun 11/302:00 pmBSL - DCA
2 stops24h 57mUnited Airlines
Deal found 6/9$653
This Air France deal was found by Cheapflights users on 6/9. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/181:45 pmDCA - BSL
2 stops13h 45mAir France
Fri 7/41:50 pmBSL - DCA
2 stops15h 07mAir France
Deal found 6/9$2,051

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 June 12, 2025.
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

Tue 8/5

2:54 pm-10:55 am

2 stops14h 01m

Basel EuroAirport Swiss

Tue 8/19

11:55 am-10:39 pm

2 stops16h 44m

$516

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Mon 8/18

4:40 pm-11:00 am

2 stops12h 20m

Basel EuroAirport Swiss

Wed 8/20

6:40 am-4:16 pm

2 stops15h 36m

$518

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Mon 8/4

1:25 pm-9:30 am

2 stops14h 05m

Basel EuroAirport Swiss

Wed 8/20

6:15 am-4:33 pm

2 stops16h 18m

$596

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Sat 7/26

6:40 pm-10:25 pm

2 stops21h 45m

Basel EuroAirport Swiss

Sat 8/2

6:00 am-6:02 pm

2 stops18h 02m

$1,213

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Tue 7/15

9:40 am-10:50 am

2 stops19h 10m

Basel EuroAirport Swiss

Tue 7/22

11:25 am-10:18 am

2 stops28h 53m

$1,221

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Thu 7/24

1:00 pm-9:10 am

2 stops14h 10m

Basel EuroAirport Swiss

Thu 7/31

1:00 pm-10:42 pm

2 stops15h 42m

$1,263

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 6/18

1:45 pm-9:30 am

2 stops13h 45m

Basel EuroAirport Swiss

Fri 7/4

1:50 pm-10:57 pm

2 stops15h 07m

$2,051

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 7/30

7:06 pm-10:40 pm

2 stops21h 34m

$422

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Sun 7/27

10:35 am-9:30 am

2 stops16h 55m

$462

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Mon 7/28

9:40 am-10:50 am

2 stops19h 10m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
1
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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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss

Rainfall in Basel by month

Plan your trip to Basel by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Basel EuroAirport Swiss ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel EuroAirport Swiss when rainfall is around 1.9 in.

Temperature in Basel by month

Plan your trip to Basel by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Basel EuroAirport Swiss, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Basel. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Washington, D.C. to Basel. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $422. Delta flights start at $462 while deals on United Airlines start at $465 one-way.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. Reagan-National Airport to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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