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$374+ Cheap flights from Dulles Intl (IAD) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BSL
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap flight deals from Dulles Intl to Basel

Cheapest flights from Dulles Intl to Basel
Explore the most affordable flight options available from Dulles Intl to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Wed 9/1610:40 am
BSL
-
IAD
1 stop30h 55m
Turkish Airlines
Deal found 4/20$630
This Turkish Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 9/149:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Tue 9/227:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 4/20$633
This Kiwi.com deal was found by Cheapflights users on 4/19. 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
Thu 10/17:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 4/19$637
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Wed 9/2310:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 4/20$656
This KAYAK deal was found by Cheapflights users on 4/19. 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 9/231:20 pm
IAD
-
BSL
1 stop22h 55m
Turkish Airlines
Tue 9/2910:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 4/19$676
This Turkish Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 9/141:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Wed 9/2310:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 4/20$681
This Justfly.com deal was found by Cheapflights users on 4/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Mon 9/217:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 4/19$694
This oojo deal was found by Cheapflights users on 4/22. 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 9/131:20 pm
IAD
-
BSL
1 stop22h 55m
Turkish Airlines
Tue 9/297:10 pm
BSL
-
IAD
1 stop30h 40m
Turkish Airlines
Deal found 4/22$698
This KAYAK deal was found by Cheapflights users on 4/20. 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.
Sun 9/131:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Tue 9/227:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 4/20$707

Find flight deals from Dulles Intl to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$630
(CheapOair)

One-way from

$374
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Basel (EAP) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Basel (EAP) flights.
Search Deals
From Washington, D.C. Dulles Intl to Basel EuroAirport Swiss
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Basel EuroAirport Swiss
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 April 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 9/14

1:20 pm-9:45 am

1 stop14h 25m

Basel EuroAirport Swiss

Wed 9/23

10:40 am-7:50 pm

1 stop15h 10m

$681

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 9/15

9:45 pm-6:15 pm

1 stop14h 30m

Basel EuroAirport Swiss

Wed 9/23

10:40 am-7:50 pm

1 stop15h 10m

$681

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 9/22

5:00 pm-12:55 pm

2 stops37h 55m

Basel EuroAirport Swiss

Tue 9/29

8:05 pm-3:30 pm

2 stops25h 25m

$949

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 7/19

9:45 pm-9:45 am

1 stop30h 00m

Basel EuroAirport Swiss

Sat 7/25

7:10 pm-11:35 am

1 stop22h 25m

$1,026

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 9/16

12:30 pm-9:55 am

2 stops15h 25m

Basel EuroAirport Swiss

Wed 9/23

2:25 pm-3:35 pm

1 stop31h 10m

$1,216

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 9/15

12:30 pm-9:55 am

2 stops15h 25m

Basel EuroAirport Swiss

Wed 9/23

2:25 pm-3:35 pm

1 stop31h 10m

$1,216

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 9/14

12:30 pm-9:55 am

2 stops15h 25m

Basel EuroAirport Swiss

Tue 9/22

10:15 am-9:18 pm

2 stops17h 03m

$1,226

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 9/13

12:30 pm-9:55 am

2 stops15h 25m

Basel EuroAirport Swiss

Tue 9/29

6:30 am-7:16 pm

2 stops18h 46m

$1,226

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 9/14

1:00 pm-9:45 am

2 stops14h 45m

Basel EuroAirport Swiss

Wed 9/23

10:15 am-7:16 pm

2 stops15h 01m

$1,231
Quickest round-trip

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 10/16

1:00 pm-9:55 am

2 stops14h 55m

Basel EuroAirport Swiss

Sat 10/24

10:15 am-3:35 pm

1 stop11h 20m

$1,336

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Dulles Intl 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.

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 April 25, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss, such as Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.4
Good
4,330 reviews

Comfort

7.3

Entertainment

7.5

Boarding

7.3

Food

7.5

Crew

7.8

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.
Turkish Airlines
7.4
Good
4,330 reviews
Turkish Airlines
7.4
Good
4,330 reviews

Comfort

7.3

Entertainment

7.5

Boarding

7.3

Food

7.5

Crew

7.8

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Cathy,Mar 2026

DFW - ATH

I really enjoyed the food . It's just too hard to eat in such a confined space. Baring in mind, I was not in business class. Crew was very friendly.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    Most people fly into Basel EuroAirport Swiss (BSL) if they book a flight to Basel from Washington, D.C. Dulles Intl. On average, EuroAirport Swiss has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Basel EuroAirport Swiss is conveniently located just 3.6 mi from Basel’s city center.

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

    Airlines like Turkish Airlines and Delta fly from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss in about 14h 25m. The time it takes to get you to your destination can typically vary by up to 1h. Washington, D.C. Dulles Intl Airport and Basel EuroAirport Swiss are separated by a distance of 4097 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Dulles Intl to Basel that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Basel?

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

  • Can I find deals for business class flights from Dulles Intl to Basel?

    Yes. Cheapflights offers flight deals from Dulles Intl 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Dulles Intl to Basel

Discover the top airline that operate flights from Dulles Intl 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 April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$747Average$863FlexibilityNo cancel feeOn-time77%

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