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$234+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BSL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/29. 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.
Thu 2/261:30 pm
IAD
-
BSL
1 stop21h 40m
Turkish Airlines
Thu 3/510:55 am
BSL
-
IAD
1 stop30h 50m
Turkish Airlines
Deal found 1/29$575
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Tue 9/297:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 1/28$598
This Turkish Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 2/81:30 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Wed 2/186:05 pm
BSL
-
IAD
1 stop31h 15m
Turkish Airlines
Deal found 1/28$603
This oojo deal was found by Cheapflights users on 1/27. 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.
Fri 3/132:30 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Fri 3/206:05 pm
BSL
-
IAD
1 stop23h 40m
Turkish Airlines
Deal found 1/27$613
This lastminute.com deal was found by Cheapflights users on 1/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/222:30 pm
IAD
-
BSL
1 stop21h 40m
Turkish Airlines
Tue 3/317:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 1/29$615
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Wed 9/910:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 1/28$627
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Mon 10/1910:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 1/28$655
This Rumbo deal was found by Cheapflights users on 1/28. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:15 pm
IAD
-
BSL
1 stop30h 45m
Turkish Airlines
Tue 2/1010:55 am
BSL
-
IAD
1 stop38h 25m
Turkish Airlines
Deal found 1/28$658
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Mon 9/710:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 1/27$666
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:55 pm
DCA
-
BSL
3 stops21h 15m
Multiple Airlines
Thu 3/56:55 pm
BSL
-
DCA
3 stops26h 36m
Multiple Airlines
Deal found 1/29$716
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:40 pm
BWI
-
BSL
2 stops17h 05m
Multiple Airlines
Thu 3/52:40 pm
BSL
-
BWI
2 stops34h 00m
Multiple Airlines
Deal found 1/29$736
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:20 am
DCA
-
BSL
2 stops19h 30m
Delta
Sun 12/206:05 am
BSL
-
DCA
2 stops22h 48m
Delta
Deal found 1/28$816

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$575
(oojo)

One-way from

$234
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Basel EuroAirport Swiss flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Basel EuroAirport Swiss flights.
Search Deals
From Washington, D.C. (WAS) to Basel EuroAirport Swiss
Search Deals
One-way flight from Washington, D.C. (WAS) to Basel EuroAirport Swiss
Search Deals

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 January 29, 2026.
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

Sun 2/8

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Wed 2/18

6:05 pm-7:20 pm

1 stop31h 15m

$603

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 3/22

10:15 pm-10:00 am

1 stop30h 45m

Basel EuroAirport Swiss

Tue 3/31

7:10 pm-11:35 am

1 stop22h 25m

$615

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 3/4

9:15 pm-10:00 am

1 stop30h 45m

Basel EuroAirport Swiss

Sun 3/8

6:05 pm-8:20 pm

1 stop31h 15m

$706

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Thu 2/26

6:59 am-4:10 pm

2 stops27h 11m

Basel EuroAirport Swiss

Thu 3/5

6:55 pm-3:31 pm

3 stops26h 36m

$716

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 2/26

7:40 pm-6:45 pm

2 stops17h 05m

Basel EuroAirport Swiss

Thu 3/5

2:40 pm-6:40 pm

2 stops34h 00m

$736

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 6/4

1:20 pm-9:45 am

1 stop14h 25m

Basel EuroAirport Swiss

Wed 6/10

10:40 am-7:50 pm

1 stop15h 10m

$863

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 5/24

1:20 pm-9:45 am

1 stop14h 25m

Basel EuroAirport Swiss

Tue 6/2

10:40 am-7:50 pm

1 stop15h 10m

$863

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Wed 7/1

9:30 pm-10:40 pm

1 stop19h 10m

Basel EuroAirport Swiss

Tue 8/4

8:15 am-5:15 pm

1 stop15h 00m

$896

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 6/23

1:20 pm-9:45 am

1 stop14h 25m

Basel EuroAirport Swiss

Tue 6/30

10:40 am-7:50 pm

1 stop15h 10m

$897

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 5/24

9:45 pm-6:15 pm

1 stop14h 30m

Basel EuroAirport Swiss

Mon 6/1

10:40 am-7:50 pm

1 stop15h 10m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 51 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 and British Airways can get you from Washington, D.C. to Basel EuroAirport Swiss in just under 14h 30m. Your travel time can differ by up to 4h 40m. Washington, D.C. and Basel EuroAirport Swiss are separated by a distance of 4097 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 $413.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$413Average$863FlexibilityNo cancel feeOn-time77%

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