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$504+ Cheap flights from Washington, D.C. (WAS) 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BSL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 October 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$569
(oojo)

One-way from

$504
(Cheapflightsfares)

Popular in

January

Cheapest in

September
Provider with most accurate pricing for Washington, D.C. (WAS)-Basel EuroAirport Swiss flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Basel EuroAirport Swiss flights.
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From Washington, D.C. (WAS) to Basel EuroAirport Swiss
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One-way flight from Washington, D.C. (WAS) to Basel EuroAirport Swiss
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Highest demand for flights based on searches. 59% potential increase in price ($2,100 potential increase over avg. RT price).
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Cheapest flight prices on average. 48% potential price decrease ($467 potential savings vs. average RT price).
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Find flight deals from Washington, D.C. to Basel

Cheapest flights from Washington, D.C. to Basel
Explore the most affordable flight options available from Washington, D.C. to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This oojo deal was found by Cheapflights users on 10/27. 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 11/261:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Wed 12/36:05 pmBSL - IAD
1 stop31h 15mTurkish Airlines
Deal found 10/27$569
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/27:25 pmBWI - BSL
2 stops20h 55mAmerican Airlines
Tue 12/97:00 amBSL - BWI
2 stops21h 13mAmerican Airlines
Deal found 10/29$589
This Turkish Airlines deal was found by Cheapflights users on 10/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Tue 11/1810:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 10/28$611
This Turkish Airlines deal was found by Cheapflights users on 10/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Tue 12/910:55 amBSL - IAD
1 stop38h 25mTurkish Airlines
Deal found 10/28$621
This British Airways deal was found by Cheapflights users on 10/29. 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.
Mon 12/89:45 pmIAD - BSL
1 stop17h 50mBritish Airways
Mon 12/226:15 amBSL - IAD
1 stop15h 20mBritish Airways
Deal found 10/29$627
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Thu 12/1110:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 10/28$630
This lastminute.com deal was found by Cheapflights users on 10/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
Tue 12/910:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 10/30$632
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Tue 12/910:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 10/28$640
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Sat 12/2010:55 amBSL - IAD
1 stop38h 25mTurkish Airlines
Deal found 10/29$646
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Mon 12/86:05 pmBSL - IAD
1 stop23h 40mTurkish Airlines
Deal found 10/28$670
This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Tue 11/1110:55 amBSL - IAD
1 stop38h 25mTurkish Airlines
Deal found 10/27$675
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
Thu 12/1110:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 10/28$680

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Basel EuroAirport Swiss that are best for you.

Fly from

Washington, D.C.

Fly to

Basel

Route

Depart

Return

Price

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 11/11

1:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

Tue 11/18

10:55 am-11:45 am

1 stop30h 50m

$611

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 11/30

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Tue 12/9

10:55 am-11:45 am

1 stop30h 50m

$632

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 3/10

7:00 pm-9:55 am

1 stop9h 55m

Basel EuroAirport Swiss

Tue 3/17

10:35 am-4:50 pm

1 stop11h 15m

$697

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-9:50 am

2 stops22h 50m

Basel EuroAirport Swiss

Mon 3/30

2:20 pm-3:35 pm

1 stop31h 15m

$705

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 3/17

12:30 pm-9:50 am

2 stops16h 20m

Basel EuroAirport Swiss

Mon 3/30

2:20 pm-3:35 pm

1 stop31h 15m

$705

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 3/16

12:30 pm-1:50 pm

2 stops20h 20m

Basel EuroAirport Swiss

Tue 3/31

6:15 am-3:35 pm

1 stop15h 20m

$705

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 3/16

4:00 pm-1:50 pm

2 stops16h 50m

Basel EuroAirport Swiss

Wed 4/1

2:20 pm-3:35 pm

1 stop31h 15m

$705

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 3/17

12:30 pm-9:50 am

2 stops16h 20m

Basel EuroAirport Swiss

Thu 4/2

10:15 am-3:35 pm

1 stop11h 20m

$705

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 3/16

10:05 am-1:50 pm

2 stops22h 45m

Basel EuroAirport Swiss

Fri 4/3

6:15 am-3:35 pm

1 stop15h 20m

$705

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 3/16

12:30 pm-1:50 pm

2 stops20h 20m

Basel EuroAirport Swiss

Mon 3/30

2:20 pm-3:35 pm

1 stop31h 15m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 54 results
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  • Most accurate provider: When it comes to deals on Washington, D.C.-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.-Basel EuroAirport Swiss flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-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.-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.-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 Washington, D.C. to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Washington, D.C. 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. to Basel EuroAirport Swiss
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    For a flight from Washington, D.C. to Basel, you will be flying into EuroAirport Swiss. Basel EuroAirport Swiss (BSL) is just 3.6 mi from the center of the city. EuroAirport Swiss is the only Basel airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Basel EuroAirport Swiss from Washington, D.C. on a regular basis.

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

    Turkish Airlines, Delta, and American Airlines can get you from Washington, D.C. to Basel EuroAirport Swiss in just under 18h 55m. Your travel time can differ by up to 3h 55m. Washington, D.C. and Basel EuroAirport Swiss are separated by a distance of 4054 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. to Basel EuroAirport Swiss round-trip?

    Flying on Turkish Airlines is currently your cheapest option to Basel EuroAirport Swiss, with prices starting at $530.

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

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $504. British Airways flights start at $771 while deals on United Airlines start at $1,125 one-way.

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

    While some choose either Washington, D.C. Reagan-National - Basel EuroAirport Swiss or Baltimore/Washington - Basel EuroAirport Swiss, Washington, D.C. Dulles Intl - Basel EuroAirport Swiss is the most popular route from Washington, D.C. to Basel EuroAirport Swiss.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

See more FAQs

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Alternative routes for Washington, D.C. to Basel

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Basel flights
Reagan-National to Basel flights

Top airline flying from Washington, D.C. to Basel

Discover the top airline that operate flights from Washington, D.C. to Basel. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$530Average$584FlexibilityNo cancel feeOn-time77%

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