HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$348+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BSL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Basel with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 12, 2025.

This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:45 pmIAD - BSL
1 stop10h 25mBritish Airways
Mon 1/510:55 amBSL - IAD
1 stop15h 00mBritish Airways
Deal found 12/11$1,399
This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:20 pmIAD - BSL
1 stop13h 50mBritish Airways
Thu 1/111:05 amBSL - IAD
1 stop14h 50mBritish Airways
Deal found 12/11$1,423
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Tue 12/231:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Tue 12/3010:55 amBSL - IAD
1 stop38h 25mTurkish Airlines
Deal found 12/10$1,445
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:15 pmIAD - BSL
1 stop30h 45mTurkish Airlines
Wed 12/316:05 pmBSL - IAD
1 stop23h 40mTurkish Airlines
Deal found 12/10$1,487
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sun 12/2810:30 pmIAD - BSL
2 stops16h 40mMultiple Airlines
Tue 12/3010:55 amBSL - IAD
1 stop30h 50mMultiple Airlines
Deal found 12/10$1,502
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sun 12/2810:30 pmIAD - BSL
2 stops29h 25mMultiple Airlines
Wed 12/316:05 pmBSL - IAD
1 stop23h 40mMultiple Airlines
Deal found 12/10$1,509
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/235:05 pmIAD - BSL
1 stop15h 20mMultiple Airlines
Tue 12/3010:55 amBSL - IAD
1 stop38h 25mMultiple Airlines
Deal found 12/10$1,519
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Wed 12/2410:55 pmIAD - BSL
2 stops27h 10mMultiple Airlines
Tue 12/3010:55 amBSL - IAD
1 stop38h 25mMultiple Airlines
Deal found 12/10$1,537
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Thu 12/256:00 pmIAD - BSL
1 stop9h 55mMultiple Airlines
Thu 1/12:10 pmBSL - IAD
1 stop12h 05mMultiple Airlines
Deal found 12/11$1,539
This Mytrip deal was found by Cheapflights users on 12/10. 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.
Wed 12/175:05 pmIAD - BSL
3 stops20h 35mMultiple Airlines
Wed 12/249:55 pmBSL - IAD
2 stops23h 20mMultiple Airlines
Deal found 12/10$1,541
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Thu 12/257:40 pmIAD - BSL
2 stops20h 30mMultiple Airlines
Tue 12/3010:55 amBSL - IAD
1 stop38h 25mMultiple Airlines
Deal found 12/10$1,550

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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$607
(Mytrip)

One-way from

$348
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$1,273
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Basel EuroAirport Swiss flight deals.
Search Deals
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
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Basel EuroAirport Swiss
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 2025.
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

Dulles Intl

Fly to

Basel

Route

Depart

Return

Price

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 2/19

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Thu 2/26

6:05 pm-7:20 pm

1 stop31h 15m

$617

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sat 1/24

1:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

Wed 1/28

6:05 pm-7:20 pm

1 stop31h 15m

$624

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 3/30

1:20 pm-6:05 pm

1 stop22h 45m

Basel EuroAirport Swiss

Wed 4/8

7:00 pm-11:35 am

1 stop22h 35m

$635

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 2/17

1:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

Fri 2/27

6:05 pm-11:45 am

1 stop23h 40m

$640

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 4/6

9:40 pm-9:45 am

1 stop30h 05m

Basel EuroAirport Swiss

Mon 4/13

10:40 am-11:35 am

1 stop30h 55m

$641

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 4/3

9:40 pm-6:05 pm

1 stop14h 25m

Basel EuroAirport Swiss

Wed 4/8

7:00 pm-11:35 am

1 stop22h 35m

$647

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sat 2/21

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Fri 2/27

6:05 pm-11:45 am

1 stop23h 40m

$657

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 3/22

2:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

Sat 3/28

6:05 pm-11:35 am

1 stop22h 30m

$681

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 1/9

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Fri 2/13

6:05 pm-11:45 am

1 stop23h 40m

$688

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 1/9

1:30 pm-5:10 pm

1 stop21h 40m

Basel EuroAirport Swiss

Wed 2/11

6:05 pm-11:45 am

1 stop23h 40m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 21 results
1
2
3
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-Basel EuroAirport Swiss flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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. 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.

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 December 12, 2025.
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
7.3
Good
4,090 reviews

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Crew

7.8

Overall

7.3

Food

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Turkish Airlines
7.3
Good
4,090 reviews
Turkish Airlines
7.3
Good
4,090 reviews

Boarding

7.3

Entertainment

7.4

Comfort

7.3

Crew

7.8

Overall

7.3

Food

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

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 fly from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss in about 14h 30m. 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.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss is Turkish Airlines. Our recent data shows that you can find tickets from as low as $530 on this airline. Turkish Airlines is currently priced 42% below the average price you’ll pay for this route.

  • 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.

Alternative routes for Dulles Intl to Basel

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

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$530Average$747FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.