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$521+ Cheap flights from Washington, D.C. (WAS) to Basel EuroAirport Swiss (BSL)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BSL
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
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 septiembre 15, 2025.

Round-trip from

$563
(oojo)

Popular in

January

Cheapest in

October

Average price

$636
From Washington, D.C. (WAS) to Basel EuroAirport Swiss
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Highest demand for flights based on searches. 60% potential increase in price ($2,147 potential increase over avg. RT price).
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Cheapest flight prices on average. 52% potential price decrease ($472 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 15, 2025.

This Connections by easyJet deal was found by Cheapflights users on 9/13. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:50 pmBWI - BSL
1 stop29h 10mMultiple Airlines
mar. 10/79:20 pmBSL - BWI
1 stop26h 20mMultiple Airlines
Deal found 9/13$521
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/81:30 pmIAD - BSL
1 stop22h 30mTurkish Airlines
vie. 11/1410:55 amBSL - IAD
1 stop38h 20mTurkish Airlines
Deal found 9/12$564
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/282:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
mié. 11/126:05 pmBSL - IAD
1 stop23h 40mTurkish Airlines
Deal found 9/14$573
This Turkish Airlines deal was found by Cheapflights users on 9/13. 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.
lun. 9/221:30 pmIAD - BSL
1 stop22h 30mTurkish Airlines
mar. 10/710:35 amBSL - IAD
1 stop31h 10mTurkish Airlines
Deal found 9/13$578
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/302:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
mar. 11/1110:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 9/14$583
This Gotogate deal was found by Cheapflights users on 9/15. 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.
jue. 10/302:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
jue. 11/610:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 9/15$585
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/262:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
mié. 11/126:05 pmBSL - IAD
1 stop23h 40mTurkish Airlines
Deal found 9/14$595
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:50 pmBWI - BSL
1 stop29h 10mMultiple Airlines
jue. 11/137:30 amBSL - BWI
2 stops31h 04mMultiple Airlines
Deal found 9/14$597
This oojo deal was found by Cheapflights users on 9/13. 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.
vie. 10/101:30 pmIAD - BSL
1 stop22h 30mTurkish Airlines
mar. 10/2110:35 amBSL - IAD
1 stop31h 10mTurkish Airlines
Deal found 9/13$603
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/191:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
lun. 11/2410:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 9/15$609
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/292:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
mar. 11/1110:55 amBSL - IAD
1 stop30h 50mTurkish Airlines
Deal found 9/14$610
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/31:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
lun. 11/106:05 pmBSL - IAD
1 stop23h 40mTurkish Airlines
Deal found 9/14$613

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 septiembre 15, 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

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

lun. 9/22

6:50 pm-6:00 am

1 stop29h 10m

Basel EuroAirport Swiss

mar. 10/7

9:20 pm-5:40 pm

1 stop26h 20m

$521

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mié. 10/8

1:30 pm-6:00 pm

1 stop22h 30m

Basel EuroAirport Swiss

vie. 11/14

10:55 am-7:15 pm

1 stop38h 20m

$564

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mar. 10/28

10:10 pm-10:00 am

1 stop30h 50m

Basel EuroAirport Swiss

mar. 11/4

10:55 am-7:15 pm

1 stop38h 20m

$564

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

lun. 9/22

1:30 pm-6:00 pm

1 stop22h 30m

Basel EuroAirport Swiss

mar. 10/7

10:35 am-11:45 am

1 stop31h 10m

$578

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

lun. 10/27

2:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

jue. 11/13

10:55 am-11:45 am

1 stop30h 50m

$610

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mié. 10/29

2:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

vie. 11/14

10:55 am-11:45 am

1 stop30h 50m

$610

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mar. 10/28

2:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

jue. 11/13

6:05 pm-11:45 am

1 stop23h 40m

$610

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

jue. 10/30

2:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

jue. 11/13

10:55 am-11:45 am

1 stop30h 50m

$610

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mié. 10/29

2:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

mar. 11/11

10:55 am-11:45 am

1 stop30h 50m

$610

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mar. 10/28

2:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

vie. 11/14

6:05 pm-11:45 am

1 stop23h 40m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 52 results
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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, British Airways, and American Airlines can get you from Washington, D.C. to Basel EuroAirport Swiss in just under 17h 49m. Your travel time can differ by up to 4h 41m. 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 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.

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. 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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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$530Average$584FlexibilityNo cancel feeOn-time77%

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