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$393+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BSL
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
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 June 7, 2026.

This Turkish Airlines deal was found by Cheapflights users on 6/4. 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 11/191:30 pm
IAD
-
BSL
1 stop21h 45m
Turkish Airlines
Thu 11/2610:45 am
BSL
-
IAD
1 stop31h 00m
Turkish Airlines
Deal found 6/4$726
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 10/69:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Tue 10/207:10 pm
BSL
-
IAD
1 stop22h 25m
Turkish Airlines
Deal found 6/3$739
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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 10/49:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Tue 10/2010:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 6/3$756
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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 9/151:20 pm
IAD
-
BSL
1 stop22h 55m
Turkish Airlines
Tue 9/2210:40 am
BSL
-
IAD
1 stop30h 55m
Turkish Airlines
Deal found 6/3$773
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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 10/41:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Sat 10/1010:40 am
BSL
-
IAD
1 stop30h 55m
Turkish Airlines
Deal found 6/3$786
This Mytrip deal was found by Cheapflights users on 6/3. 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.
Tue 9/158:30 pm
IAD
-
BSL
2 stops19h 45m
Multiple Airlines
Tue 9/222:55 pm
BSL
-
IAD
2 stops34h 25m
Multiple Airlines
Deal found 6/3$790
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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 10/91:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Tue 10/2010:40 am
BSL
-
IAD
1 stop15h 10m
Turkish Airlines
Deal found 6/3$796
This Booking.com deal was found by Cheapflights users on 6/2. 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.
Wed 10/211:20 pm
IAD
-
BSL
1 stop22h 55m
Turkish Airlines
Sun 10/256:10 pm
BSL
-
IAD
1 stop23h 35m
Turkish Airlines
Deal found 6/2$799
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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 10/89:45 pm
IAD
-
BSL
1 stop14h 30m
Turkish Airlines
Tue 10/207:10 pm
BSL
-
IAD
1 stop30h 40m
Turkish Airlines
Deal found 6/3$803
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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 8/251:20 pm
IAD
-
BSL
1 stop14h 25m
Turkish Airlines
Sun 8/3010:40 am
BSL
-
IAD
1 stop30h 55m
Turkish Airlines
Deal found 6/4$816
This CheapOair deal was found by Cheapflights users on 6/2. 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 9/1410:25 pm
IAD
-
BSL
1 stop18h 40m
British Airways
Thu 9/176:10 am
BSL
-
IAD
1 stop20h 10m
British Airways
Deal found 6/2$820
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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 8/201:20 pm
IAD
-
BSL
1 stop22h 55m
Turkish Airlines
Fri 8/2810:40 am
BSL
-
IAD
1 stop30h 55m
Turkish Airlines
Deal found 6/4$823

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 June 7, 2026.

Most trusted provider

Cheapfaremart
1 star

Round-trip from

$726
(Turkish Airlines)

One-way from

$393
(Kiwi.com)
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Basel EuroAirport Swiss flights.
Search Deals
From Washington, D.C. Dulles Intl to Basel EuroAirport Swiss
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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 June 7, 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

Thu 11/19

1:30 pm-5:15 pm

1 stop21h 45m

Basel EuroAirport Swiss

Wed 11/25

6:10 pm-11:45 am

1 stop23h 35m

$726

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 10/7

9:45 pm-6:15 pm

1 stop14h 30m

Basel EuroAirport Swiss

Thu 10/22

7:10 pm-7:50 pm

1 stop30h 40m

$756

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 10/21

9:45 pm-9:45 am

1 stop30h 00m

Basel EuroAirport Swiss

Sat 10/24

7:10 pm-8:25 pm

1 stop31h 15m

$786

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 10/4

1:20 pm-9:45 am

1 stop14h 25m

Basel EuroAirport Swiss

Sat 10/10

10:40 am-11:35 am

1 stop30h 55m

$786

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 8/16

6:15 pm-1:30 pm

1 stop13h 15m

Basel EuroAirport Swiss

Sat 8/22

2:25 pm-3:35 pm

1 stop31h 10m

$1,016
Quickest round-trip

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 7/29

12:37 pm-9:55 am

2 stops15h 18m

Basel EuroAirport Swiss

Tue 8/11

10:15 am-3:35 pm

1 stop11h 20m

$1,025

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 7/27

12:37 pm-9:45 am

2 stops15h 08m

Basel EuroAirport Swiss

Tue 8/4

6:30 am-3:35 pm

1 stop15h 05m

$1,030

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 7/26

5:40 pm-1:50 pm

1 stop14h 10m

Basel EuroAirport Swiss

Tue 8/4

6:30 am-3:35 pm

1 stop15h 05m

$1,061

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 7/15

12:29 pm-9:55 am

2 stops15h 26m

Basel EuroAirport Swiss

Wed 7/22

10:15 am-3:35 pm

1 stop11h 20m

$1,061

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 7/27

1:20 pm-9:45 am

1 stop14h 25m

Basel EuroAirport Swiss

Tue 8/11

10:40 am-11:35 am

1 stop30h 55m

$1,077

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 21 resultsSorted by cheapest first
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  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Basel EuroAirport Swiss flights, Cheapflights users trust Cheapfaremart the most. Cheapfaremart 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. Dulles Intl Airport-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 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.

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 0 airlines. 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 fly from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss in about 21h 45m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Dulles Intl Airport and Basel EuroAirport Swiss are separated by a distance of 4097 mi.

  • 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.

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