Washington, D.C.

$450+ Cheap flights from Basel EuroAirport Swiss (BSL) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — WAS
May 6 — May 131
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Cheap flight deals from Basel to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Washington, D.C. (WAS). 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 May 1, 2025.

Round-trip from

$450
(Booking.com)

Popular in

August

Cheapest in

February

Average price

$671
From Basel EuroAirport Swiss to Washington, D.C. (WAS)
Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find flight deals from Basel to Washington, D.C.

Cheapest flights from Basel to Washington, D.C.
Explore the most affordable flight options available from Basel to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:45 amBSL - IAD
1 stop15h 10mBritish Airways
Sat 9/610:45 pmIAD - BSL
1 stop18h 05mBritish Airways
Deal found 4/30$450
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 11/203:40 pmBSL - IAD
1 stop29h 55mAmerican Airlines
Fri 12/56:15 pmIAD - BSL
1 stop21h 15mAmerican Airlines
Deal found 4/30$451
This British Airways deal was found by Cheapflights users on 4/30. 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.
Tue 8/266:45 amBSL - BWI
1 stop18h 50mBritish Airways
Sat 9/68:21 pmBWI - BSL
2 stops16h 04mBritish Airways
Deal found 4/30$451
This British Airways deal was found by Cheapflights users on 4/29. 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.
Fri 5/236:00 amBSL - DCA
2 stops16h 29mBritish Airways
Sun 5/253:54 pmDCA - BSL
2 stops13h 26mBritish Airways
Deal found 4/29$457
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/22:15 pmBSL - IAD
1 stop11h 50mLufthansa
Mon 7/146:10 pmIAD - BSL
1 stop13h 30mLufthansa
Deal found 4/29$518
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/29:45 amBSL - IAD
2 stops27h 19mUnited Airlines
Mon 7/148:30 amIAD - BSL
2 stops18h 40mUnited Airlines
Deal found 4/29$525
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 11/226:05 amBSL - IAD
1 stop15h 40mDelta
Tue 12/212:30 pmIAD - BSL
2 stops15h 05mDelta
Deal found 4/30$527
This Air Canada deal was found by Cheapflights users on 4/30. 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 11/212:15 pmBSL - IAD
2 stops31h 39mAir Canada
Tue 12/212:40 pmIAD - BSL
2 stops15h 20mAir Canada
Deal found 4/30$535
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/812:15 pmBSL - DCA
2 stops16h 05mAmerican Airlines
Sat 5/175:49 pmDCA - BSL
2 stops17h 51mAmerican Airlines
Deal found 4/29$552
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 5/2310:15 amBSL - DCA
2 stops14h 44mDelta
Mon 5/265:00 pmDCA - BSL
2 stops14h 10mDelta
Deal found 4/29$562
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 8/37:05 amBSL - BWI
1 stop18h 30mAmerican Airlines
Sun 8/319:20 pmBWI - BSL
1 stop19h 30mAmerican Airlines
Deal found 4/30$570
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/210:20 amBSL - IAD
2 stops33h 45mAustrian Airlines
Mon 7/145:25 pmIAD - BSL
1 stop20h 20mAustrian Airlines
Deal found 4/29$590

Cheapflights Fare Finder

Customize your flight search to find flights from Basel to Washington, D.C. 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 May 1, 2025.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to Washington, D.C. that are best for you.

Fly from

Basel

Fly to

Washington, D.C.

Route

Depart

Return

Price

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Tue 8/26

6:45 am-3:55 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Sat 9/6

10:45 pm-10:50 pm

1 stop18h 05m

$450

BaselBaltimore

BSL - BWI

BSLBWI

Basel EuroAirport Swiss

Tue 8/26

6:45 am-7:35 pm

1 stop18h 50m

Baltimore/Washington

Sat 9/6

9:20 pm-6:25 pm

1 stop15h 05m

$451

BaselWashington, D.C.

BSL - DCA

BSLDCA

Basel EuroAirport Swiss

Fri 5/23

6:00 am-4:29 pm

2 stops16h 29m

Washington, D.C. Reagan-National

Sun 5/25

3:54 pm-11:20 am

2 stops13h 26m

$457

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Fri 5/23

11:45 am-8:05 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 5/26

10:40 pm-7:00 pm

1 stop14h 20m

$484

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Wed 7/2

2:15 pm-8:05 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

Mon 7/14

6:10 pm-1:40 pm

1 stop13h 30m

$518

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Wed 7/2

9:45 am-7:04 am

2 stops27h 19m

Washington, D.C. Dulles Intl

Mon 7/14

8:30 am-9:10 am

2 stops18h 40m

$525

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Fri 5/23

2:25 pm-3:35 pm

1 stop31h 10m

Washington, D.C. Dulles Intl

Mon 5/26

12:20 pm-9:30 am

2 stops15h 10m

$557

BaselWashington, D.C.

BSL - DCA

BSLDCA

Basel EuroAirport Swiss

Fri 5/23

10:15 am-6:59 pm

2 stops14h 44m

Washington, D.C. Reagan-National

Mon 5/26

5:00 pm-1:10 pm

2 stops14h 10m

$562

BaselBaltimore

BSL - BWI

BSLBWI

Basel EuroAirport Swiss

Sun 8/3

7:05 am-7:35 pm

1 stop18h 30m

Baltimore/Washington

Sun 8/31

9:20 pm-10:50 pm

1 stop19h 30m

$570

BaselWashington, D.C.

BSL - IAD

BSLIAD

Basel EuroAirport Swiss

Wed 7/2

10:20 am-2:05 pm

2 stops33h 45m

Washington, D.C. Dulles Intl

Mon 7/14

5:25 pm-7:45 pm

1 stop20h 20m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 29 results
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Best time to book a flight from Basel to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Basel 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 Basel EuroAirport Swiss to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Basel to Washington, D.C., such as Delta, KLM and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Basel to Washington, D.C.. 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 from for flights from Basel to Washington, D.C.?

    Located just 3.6 mi from the city center, Basel EuroAirport Swiss is the airport most travelers will use when flying to Washington, D.C. from Basel. Booking flights from EuroAirport Swiss (BSL) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 0 different airlines.

  • What are the cheapest airlines flying from Basel EuroAirport Swiss to Washington, D.C. round-trip?

    Cheapflights users have booked flights from Basel EuroAirport Swiss to Washington, D.C. round-trip from $450. Other airlines that can offer you cheap pricing are American Airlines, from $484, and Lufthansa, from $518. Users have found that British Airways is 25% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $464. However, be on the lookout for offers from Lufthansa and American Airlines, as they are both options that can get you from Basel EuroAirport Swiss to Washington, D.C. for a low price.

  • What are the most popular routes from Basel EuroAirport Swiss to Washington, D.C.?

  • Can I find deals for flights from Basel to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Basel to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Basel to Washington, D.C.?

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

  • Can I find deals for business class flights from Basel to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Basel to Washington, D.C. 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 Basel EuroAirport Swiss to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to Washington, D.C. (average of $309). Flying from Basel EuroAirport Swiss to Washington, D.C. in June is currently the most expensive (average of $373). 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

Traveling to a place near Basel EuroAirport Swiss?

Book flights to Basel EuroAirport Swiss if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Oxon Hill
Reston

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