HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$495+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BSL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. 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 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 November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$616
(flugladen.de)

One-way from

$495
(FlightHub)

Popular in

January

Cheapest in

September

Average price

$681
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
Highest demand for flights based on searches. 59% potential increase in price ($2,100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 48% potential price decrease ($467 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 2025.

This flugladen.de deal was found by Cheapflights users on 11/6. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
Wed 12/36:05 pmBSL - IAD
1 stop31h 15mTurkish Airlines
Deal found 11/6$616
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:36 pmBWI - BSL
2 stops41h 49mDelta
Fri 1/96:05 amBSL - BWI
2 stops33h 44mDelta
Deal found 11/3$633
This oojo deal was found by Cheapflights users on 11/6. 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.
Mon 12/81:30 pmIAD - BSL
1 stop14h 30mTurkish Airlines
Mon 12/226:05 pmBSL - IAD
1 stop23h 40mTurkish Airlines
Deal found 11/6$672
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:59 pmBWI - BSL
2 stops40h 26mDelta
Fri 1/911:15 amBSL - BWI
2 stops28h 34mDelta
Deal found 11/3$688
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:59 pmBWI - BSL
2 stops40h 26mDelta
Thu 1/811:15 amBSL - BWI
2 stops37h 57mDelta
Deal found 11/3$737
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:59 pmBWI - BSL
2 stops40h 26mDelta
Tue 1/611:15 amBSL - BWI
2 stops37h 57mDelta
Deal found 11/3$773
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:59 pmBWI - BSL
2 stops40h 26mDelta
Thu 1/811:15 amBSL - BWI
2 stops37h 57mDelta
Deal found 11/3$791
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:59 pmBWI - BSL
2 stops40h 26mDelta
Wed 1/76:05 amBSL - BWI
2 stops19h 07mDelta
Deal found 11/3$828
This British Airways deal was found by Cheapflights users on 11/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:35 pmBWI - BSL
1 stop12h 30mBritish Airways
Thu 1/86:05 amBSL - BWI
1 stop18h 40mBritish Airways
Deal found 11/4$851
This oojo deal was found by Cheapflights users on 11/6. 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 12/141:30 pmIAD - BSL
1 stop21h 40mTurkish Airlines
Wed 12/246:05 pmBSL - IAD
1 stop31h 15mTurkish Airlines
Deal found 11/6$906
This Mytrip deal was found by Cheapflights users on 11/6. 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 12/2510:40 amBWI - BSL
2 stops28h 05mMultiple Airlines
Fri 1/306:55 amBSL - BWI
2 stops22h 22mMultiple Airlines
Deal found 11/6$919
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:34 pmBWI - BSL
2 stops16h 06mDelta
Fri 1/911:15 amBSL - BWI
2 stops28h 34mDelta
Deal found 11/3$927

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 November 6, 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

Mon 12/29

5:36 pm-5:25 pm

2 stops41h 49m

Basel EuroAirport Swiss

Fri 1/9

6:05 am-9:49 am

2 stops33h 44m

$633

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 3/17

7:20 pm-12:30 pm

2 stops12h 10m

Basel EuroAirport Swiss

Tue 3/24

10:35 am-4:50 pm

1 stop11h 15m

$688

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sun 12/28

6:00 am-5:25 pm

2 stops29h 25m

Basel EuroAirport Swiss

Fri 1/9

11:15 am-9:49 am

2 stops28h 34m

$688

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sat 12/27

6:59 pm-5:25 pm

2 stops40h 26m

Basel EuroAirport Swiss

Fri 1/9

11:15 am-9:49 am

2 stops28h 34m

$688

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 3/23

7:00 pm-10:00 am

1 stop10h 00m

Basel EuroAirport Swiss

Tue 3/31

11:00 am-3:50 pm

1 stop10h 50m

$690

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 3/17

6:15 pm-9:55 am

1 stop10h 40m

Basel EuroAirport Swiss

Tue 3/24

10:35 am-4:50 pm

1 stop11h 15m

$690

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Mon 12/29

6:59 pm-5:25 pm

2 stops40h 26m

Basel EuroAirport Swiss

Wed 1/7

11:15 am-8:30 pm

2 stops39h 15m

$773

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 1/9

5:15 pm-10:05 am

1 stop10h 50m

Basel EuroAirport Swiss

Sun 1/18

10:45 am-3:50 pm

1 stop11h 05m

$784

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sun 12/28

6:00 am-5:25 pm

2 stops29h 25m

Basel EuroAirport Swiss

Wed 1/7

11:15 am-8:30 pm

2 stops39h 15m

$828

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sat 12/27

6:59 pm-5:25 pm

2 stops40h 26m

Basel EuroAirport Swiss

Wed 1/7

6:05 am-7:12 pm

2 stops19h 07m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 53 results
1
2
3
...
6
  • 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?

    Delta, Lufthansa, and British Airways can get you from Washington, D.C. to Basel EuroAirport Swiss in just under 12h 10m. Your travel time can differ by up to 29h 39m. 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 $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.

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 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$530Average$584FlexibilityNo 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.