What are the cheapest airlines flying 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 $550. Additional round-trip tickets that might be worth considering are offered by American Airlines and British Airways, with the lowest prices starting at $849 and $960, respectively. Users have found that Turkish Airlines is 47% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Washington, D.C. to Basel EuroAirport Swiss one-way?

To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $618. British Airways flights start at $792 while deals on United Airlines start at $1,083 one-way.

What is the cheapest month to book a flight from Washington, D.C. to Basel EuroAirport Swiss?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. to Basel EuroAirport Swiss?

Travelers seeking maximum savings on their Washington, D.C. to Basel EuroAirport Swiss flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

What is the cheapest day to fly round-trip from Washington, D.C. to Basel EuroAirport Swiss?

Flights from Washington, D.C. to Basel EuroAirport Swiss are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Basel EuroAirport Swiss.

What is the cheapest month to fly from Washington, D.C. to Basel EuroAirport Swiss?

Our data shows that March tends to be the cheapest month to fly to Basel EuroAirport Swiss from Washington, D.C.. Users have commonly found prices around $1,410 for the month, but tickets can be as low as $552. Due to multiple factors, prepare for potentially higher prices in January.

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.

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.

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.

$550+ Flights from Washington, D.C. to Basel EuroAirport Swiss

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$550 (oojo)
Popular in	May
Cheapest in	December
Average price	$1,180

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

Highest demand for flights based on searches. 13% potential increase in price ($161 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 February 20, 2025.

Thu 3/1310:25 pmIAD - BSL

1 stop30h 40mTurkish Airlines

Thu 4/106:55 pmBSL - IAD

1 stop30h 50mTurkish Airlines

Deal found 2/18

$550

Thu 4/36:50 pmBWI - BSL

2 stops18h 10mMultiple Airlines

Thu 4/106:05 amBSL - BWI

2 stops17h 35mMultiple Airlines

Deal found 2/20

$653

Thu 4/310:20 pmIAD - BSL

2 stops18h 30mMultiple Airlines

Thu 4/106:30 pmBSL - IAD

3 stops26h 50mMultiple Airlines

Deal found 2/20

$790

Wed 12/106:15 pmIAD - BSL

1 stop18h 25mBritish Airways

Sun 12/2111:20 amBSL - IAD

1 stop14h 25mBritish Airways

Deal found 2/20

$805

Tue 12/99:15 amIAD - BSL

2 stops26h 55mUnited Airlines

Sun 12/212:15 pmBSL - IAD

1 stop12h 05mUnited Airlines

Deal found 2/20

$819

Wed 12/1010:45 amBWI - BSL

2 stops26h 45mUnited Airlines

Sun 12/2110:45 amBSL - BWI

2 stops29h 34mUnited Airlines

Deal found 2/20

$839

Fri 3/2110:55 pmIAD - BSL

1 stop13h 05mAmerican Airlines

Fri 3/286:40 amBSL - IAD

2 stops22h 18mAmerican Airlines

Deal found 2/19

$849

Thu 4/36:59 amDCA - BSL

2 stops22h 06mMultiple Airlines

Thu 4/106:05 amBSL - DCA

2 stops19h 48mMultiple Airlines

Deal found 2/20

$870

Mon 10/135:25 pmIAD - BSL

1 stop34h 15mAustrian Airlines

Mon 10/208:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 2/19

$922

Tue 12/92:00 pmDCA - BSL

2 stops14h 00mUnited Airlines

Sun 12/219:35 amBSL - DCA

2 stops16h 22mUnited Airlines

Deal found 2/20

$954

Thu 4/249:20 pmBWI - BSL

1 stop15h 05mBritish Airways

Tue 4/2911:55 amBSL - BWI

1 stop13h 40mBritish Airways

Deal found 2/19

$960

Thu 4/39:20 pmBWI - BSL

1 stop11h 05mAmerican Airlines

Thu 4/106:10 amBSL - BWI

2 stops16h 53mAmerican Airlines

Deal found 2/19

$969

Best flights from Washington, D.C. to Basel
Discover carefully curated flight deals from Washington, D.C. to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Thu 3/1310:25 pmIAD - BSL

1 stop30h 40mTurkish Airlines

Thu 4/106:55 pmBSL - IAD

1 stop30h 50mTurkish Airlines

Deal found 2/18

$550

Thu 4/36:50 pmBWI - BSL

2 stops18h 10mMultiple Airlines

Thu 4/106:05 amBSL - BWI

2 stops17h 35mMultiple Airlines

Deal found 2/20

$653

Fri 3/2110:55 pmIAD - BSL

1 stop13h 05mAmerican Airlines

Fri 3/286:40 amBSL - IAD

2 stops22h 18mAmerican Airlines

Deal found 2/19

$849

Thu 4/249:20 pmBWI - BSL

1 stop15h 05mBritish Airways

Tue 4/2911:55 amBSL - BWI

1 stop13h 40mBritish Airways

Deal found 2/19

$960

Mon 3/316:00 amDCA - BSL

2 stops22h 50mAir Canada

Wed 4/98:25 amBSL - DCA

2 stops20h 03mAir Canada

Deal found 2/20

$1,013

Thu 3/206:35 pmIAD - BSL

1 stop12h 50mUnited Airlines

Thu 3/276:50 amBSL - IAD

2 stops18h 51mUnited Airlines

Deal found 2/19

$1,055

Sun 3/167:00 amBWI - BSL

2 stops21h 35mDelta

Sun 3/2311:15 amBSL - BWI

2 stops36h 41mDelta

Deal found 2/19

$1,321

Sun 3/166:50 pmIAD - BSL

2 stops12h 35mLufthansa

Sun 3/231:05 pmBSL - IAD

1 stop13h 00mLufthansa

Deal found 2/18

$1,339

Sat 4/55:25 pmIAD - BSL

1 stop34h 15mAustrian Airlines

Sat 4/1210:20 amBSL - IAD

1 stop34h 15mAustrian Airlines

Deal found 2/19

$1,442

Thu 4/310:20 pmIAD - BSL

2 stops18h 30mMultiple Airlines

Thu 4/106:30 pmBSL - IAD

3 stops26h 50mMultiple Airlines

Deal found 2/20

$790

Thu 4/36:59 amDCA - BSL

2 stops22h 06mMultiple Airlines

Thu 4/106:05 amBSL - DCA

2 stops19h 48mMultiple Airlines

Deal found 2/20

$870

Thu 4/39:20 pmBWI - BSL

1 stop11h 05mAmerican Airlines

Thu 4/106:10 amBSL - BWI

2 stops16h 53mAmerican Airlines

Deal found 2/19

$969

Last-minute flights from Washington, D.C. to Basel
Discover last-minute flight deals from Washington, D.C. to Basel. Data last updated February 20, 2025 and is based on user searches.

Wed 2/269:25 pmIAD - BSL

1 stop30h 40mTurkish Airlines

Mon 3/36:05 pmBSL - IAD

1 stop24h 10mTurkish Airlines

Deal found 2/20

$792

Wed 2/268:30 pmBWI - BSL

1 stop16h 10mBritish Airways

Mon 3/38:00 pmBSL - BWI

2 stops31h 39mBritish Airways

Deal found 2/19

$1,659

Wed 2/267:30 pmIAD - BSL

2 stops17h 10mBritish Airways

Mon 3/38:00 pmBSL - IAD

1 stop25h 35mBritish Airways

Deal found 2/19

$1,660

Wed 2/265:50 pmIAD - BSL

1 stop10h 35mMultiple Airlines

Mon 3/38:05 pmBSL - IAD

2 stops26h 20mMultiple Airlines

Deal found 2/20

$1,672

Wed 2/266:25 pmIAD - BSL

2 stops15h 55mUnited Airlines

Mon 3/31:05 pmBSL - IAD

1 stop32h 25mUnited Airlines

Deal found 2/19

$1,678

Wed 2/2610:51 amBWI - BSL

2 stops26h 39mUnited Airlines

Mon 3/31:05 pmBSL - BWI

2 stops38h 07mUnited Airlines

Deal found 2/19

$1,690

Wed 2/2612:05 pmIAD - BSL

2 stops16h 35mDelta

Mon 3/36:05 amBSL - IAD

2 stops15h 45mDelta

Deal found 2/19

$1,721

Wed 3/58:30 pmBWI - BSL

1 stop19h 35mBritish Airways

Wed 3/1211:15 amBSL - BWI

1 stop13h 30mBritish Airways

Deal found 2/19

$1,256

Wed 3/511:10 amDCA - BSL

2 stops17h 15mAir Canada

Wed 3/127:10 amBSL - DCA

2 stops18h 50mAir Canada

Deal found 2/19

$1,257

Thu 3/1310:25 pmIAD - BSL

1 stop30h 40mTurkish Airlines

Thu 4/106:55 pmBSL - IAD

1 stop30h 50mTurkish Airlines

Deal found 2/18

$550

Fri 3/143:55 pmIAD - BSL

2 stops13h 35mAir Canada

Fri 3/2111:10 amBSL - IAD

2 stops27h 36mAir Canada

Deal found 2/19

$1,313

Sat 3/155:39 pmBWI - BSL

2 stops38h 31mUnited Airlines

Sun 3/2310:50 amBSL - BWI

2 stops15h 31mUnited Airlines

Deal found 2/19

$1,342

One-way flights from Washington, D.C. to Basel
Search for one-way flight options from Washington, D.C. to Basel. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Thu 2/279:25 pmIAD - BSL

1 stop30h 40mTurkish Airlines

Deal found 2/19

$618

Thu 4/249:20 pmBWI - BSL

1 stop15h 05mBritish Airways

Deal found 2/19

$792

Thu 4/2411:54 amDCA - BSL

2 stops17h 01mBritish Airways

Deal found 2/19

$796

Thu 2/274:35 pmIAD - BSL

2 stops16h 25mBritish Airways

Deal found 2/19

$1,051

Thu 4/243:30 pmIAD - BSL

2 stops14h 55mUnited Airlines

Deal found 2/19

$1,083

Thu 4/2410:50 amBWI - BSL

2 stops19h 35mUnited Airlines

Deal found 2/19

$1,083

Sun 4/63:30 pmDCA - BSL

2 stops22h 05mUnited Airlines

Deal found 2/20

$1,213

Sun 4/65:25 pmIAD - BSL

1 stop34h 15mAustrian Airlines

Deal found 2/20

$1,214

Wed 4/306:30 pmIAD - BSL

2 stops13h 10mMultiple Airlines

Deal found 2/19

$1,671

Find flights from Washington, D.C. to Basel within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 3/13

10:25 pm-10:05 am

1 stop30h 40m

Basel EuroAirport Swiss

Thu 4/10

6:55 pm-7:45 pm

1 stop30h 50m

$550

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 4/3

6:50 pm-7:00 pm

2 stops18h 10m

Basel EuroAirport Swiss

Thu 4/10

6:05 am-5:40 pm

2 stops17h 35m

$653

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 4/3

10:20 pm-10:50 pm

2 stops18h 30m

Basel EuroAirport Swiss

Thu 4/10

6:30 pm-3:20 pm

3 stops26h 50m

$790

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 3/21

10:55 pm-5:00 pm

1 stop13h 05m

Basel EuroAirport Swiss

Fri 3/28

6:40 am-11:58 pm

2 stops22h 18m

$849

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Thu 4/3

6:59 am-11:05 am

2 stops22h 06m

Basel EuroAirport Swiss

Thu 4/10

6:05 am-7:53 pm

2 stops19h 48m

$870

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 4/24

9:20 pm-6:25 pm

1 stop15h 05m

Basel EuroAirport Swiss

Tue 4/29

11:55 am-7:35 pm

1 stop13h 40m

$960

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 4/3

9:20 pm-2:25 pm

1 stop11h 05m

Basel EuroAirport Swiss

Thu 4/10

6:10 am-5:03 pm

2 stops16h 53m

$969

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Thu 4/3

4:12 pm-10:55 am

2 stops12h 43m

Basel EuroAirport Swiss

Thu 4/10

12:15 pm-10:26 pm

2 stops16h 11m

$973

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 4/2

4:12 pm-11:20 am

2 stops13h 08m

Basel EuroAirport Swiss

Wed 4/9

6:40 am-3:56 pm

2 stops15h 16m

$1,018

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 3/20

6:35 pm-12:25 pm

1 stop12h 50m

Basel EuroAirport Swiss

Thu 3/27

6:50 am-8:41 pm

2 stops18h 51m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 29 results

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.

Travel insights for flights from Washington, D.C. to Basel

Get recent, data-driven insights about flights from Washington, D.C. to Basel including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from WAS to BSL?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Basel EuroAirport Swiss at noon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

Rainfall in Basel by month

In terms of precipitation, rainfall in Basel EuroAirport Swiss ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel EuroAirport Swiss when rainfall is around 1.9 in.

Temperature in Basel by month

If weather is an important factor for your trip to Basel EuroAirport Swiss, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Basel

See what other customers who have flown with Delta, Austrian Airlines and United Airlines from Washington, D.C. to Basel have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

773 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,832 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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.
What are the cheapest airlines flying 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 $550. Additional round-trip tickets that might be worth considering are offered by American Airlines and British Airways, with the lowest prices starting at $849 and $960, respectively. Users have found that Turkish Airlines is 47% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Basel EuroAirport Swiss one-way?
To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $618. British Airways flights start at $792 while deals on United Airlines start at $1,083 one-way.
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.
What is the cheapest month to book a flight from Washington, D.C. to Basel EuroAirport Swiss?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Basel

Dulles Intl to Basel flights

Reagan-National to Basel flights

Top airline flying from Washington, D.C. to Basel

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$530	Average$583	FlexibilityNo cancel fee	On-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.

$550+ Cheap flights from Washington, D.C. (WAS) to Basel EuroAirport Swiss (BSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Basel with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Basel

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Basel

Cheapest flights from Washington, D.C. to BaselExplore 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 February 20, 2025.

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 February 20, 2025.

Find flights from Washington, D.C. to Basel within your budget

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.

Travel insights for flights from Washington, D.C. to Basel

Get recent, data-driven insights about flights from Washington, D.C. to Basel including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from WAS to BSL?

Find hourly flight availability from Washington, D.C. to Basel. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Rainfall in Basel by month

Plan your trip to Basel by taking into account the average rainfall totals by month.

Temperature in Basel by month

Plan your trip to Basel by taking into account the average temperature totals by month.

Reviews of airlines servicing Basel

See what other customers who have flown with Delta, Austrian Airlines and United Airlines from Washington, D.C. to Basel have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.?

What are the cheapest airlines flying from Washington, D.C. to Basel EuroAirport Swiss round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Basel EuroAirport Swiss one-way?

What are the most popular routes from Washington, D.C. to Basel EuroAirport Swiss?

Can I find deals for flights from Washington, D.C. to Basel that include hotel bookings?

How can I find direct flights from Washington, D.C. to Basel?

Can I find deals for business class flights from Washington, D.C. to Basel?

What is the cheapest month to book a flight from Washington, D.C. to Basel EuroAirport Swiss?

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.

Top airline flying from Washington, D.C. to Basel

100% Free

Book with Flexibility

Travel Smart

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 February 20, 2025.