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 $649. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $826 and $833, respectively. Users have found that Turkish Airlines is 33% 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 British Airways, which is currently one of the cheapest options available, starting at $530. American Airlines flights start at $587 while deals on Turkish Airlines start at $592 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 September tends to be the cheapest month to fly to Basel EuroAirport Swiss from Washington, D.C.. Users have commonly found prices around $1,375 for the month, but tickets can be as low as $610. 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 eDreams the most. eDreams 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.

$356+ Flights from Washington, D.C. to Basel EuroAirport Swiss

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1. Tell us where you want to go

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$649 (oojo)
One-way from	$356 (Kiwi.com)
Popular in	May
Cheapest in	March
Average price	$1,068

Provider with most accurate pricing for Washington, D.C. (WAS)-Basel EuroAirport Swiss flight deals.

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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. 14% potential increase in price ($170 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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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 April 25, 2025.

Sat 8/169:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

Wed 12/106:05 pmBSL - IAD

1 stop31h 25mTurkish Airlines

Deal found 4/25

$649

Sat 8/1610:34 pmIAD - BSL

2 stops31h 51mMultiple Airlines

Wed 12/102:15 pmBSL - IAD

2 stops23h 20mMultiple Airlines

Deal found 4/25

$764

Wed 5/289:40 amDCA - BSL

2 stops19h 15mAir Canada

Wed 6/48:25 amBSL - DCA

2 stops19h 28mAir Canada

Deal found 4/24

$826

Tue 5/275:40 pmIAD - BSL

1 stop12h 45mUnited Airlines

Wed 6/49:45 amBSL - IAD

1 stop15h 40mUnited Airlines

Deal found 4/24

$833

Tue 5/275:25 pmIAD - BSL

1 stop34h 15mAustrian Airlines

Mon 6/28:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 4/24

$838

Thu 11/278:30 pmBWI - BSL

1 stop16h 30mAmerican Airlines

Sat 12/610:55 amBSL - BWI

2 stops16h 45mAmerican Airlines

Deal found 4/23

$850

Thu 11/272:07 pmBWI - BSL

2 stops22h 53mBritish Airways

Sat 12/610:55 amBSL - BWI

2 stops19h 33mBritish Airways

Deal found 4/23

$854

Tue 5/278:00 amBWI - BSL

2 stops31h 05mMultiple Airlines

Tue 6/39:20 pmBSL - BWI

1 stop26h 20mMultiple Airlines

Deal found 4/24

$866

Thu 5/291:52 pmIAD - BSL

2 stops15h 03mAir Canada

Tue 6/311:25 amBSL - IAD

2 stops28h 16mAir Canada

Deal found 4/24

$902

Tue 7/154:30 pmDCA - BSL

2 stops13h 55mMultiple Airlines

Tue 7/228:30 amBSL - DCA

2 stops17h 12mMultiple Airlines

Deal found 4/24

$953

Thu 5/291:00 pmDCA - BSL

2 stops14h 10mUnited Airlines

Tue 6/39:45 amBSL - DCA

2 stops14h 18mUnited Airlines

Deal found 4/24

$1,002

Mon 6/165:33 pmIAD - BSL

2 stops18h 17mLufthansa

Mon 6/238:10 pmBSL - IAD

1 stop29h 15mLufthansa

Deal found 4/24

$1,011

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 April 25, 2025.

Sat 8/169:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

Wed 12/106:05 pmBSL - IAD

1 stop31h 25mTurkish Airlines

Deal found 4/25

$649

Sat 8/1610:34 pmIAD - BSL

2 stops31h 51mMultiple Airlines

Wed 12/102:15 pmBSL - IAD

2 stops23h 20mMultiple Airlines

Deal found 4/25

$764

Wed 5/289:40 amDCA - BSL

2 stops19h 15mAir Canada

Wed 6/48:25 amBSL - DCA

2 stops19h 28mAir Canada

Deal found 4/24

$826

Tue 5/275:40 pmIAD - BSL

1 stop12h 45mUnited Airlines

Tue 6/39:45 amBSL - IAD

1 stop11h 35mUnited Airlines

Deal found 4/24

$833

Tue 5/275:25 pmIAD - BSL

1 stop34h 15mAustrian Airlines

Mon 6/28:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 4/24

$838

Mon 6/165:33 pmIAD - BSL

2 stops18h 17mLufthansa

Mon 6/238:10 pmBSL - IAD

1 stop29h 15mLufthansa

Deal found 4/24

$1,011

Tue 7/157:25 pmIAD - BSL

1 stop21h 25mBritish Airways

Tue 7/226:45 amBSL - IAD

2 stops16h 24mBritish Airways

Deal found 4/25

$1,044

Wed 5/281:15 pmDCA - BSL

2 stops14h 20mKLM

Thu 6/52:25 pmBSL - DCA

2 stops14h 20mKLM

Deal found 4/24

$1,064

Tue 7/159:20 pmBWI - BSL

1 stop19h 30mAmerican Airlines

Tue 7/226:45 amBSL - BWI

2 stops17h 21mAmerican Airlines

Deal found 4/25

$1,229

Mon 6/169:00 amBWI - BSL

2 stops18h 30mDelta

Tue 6/2410:15 amBSL - BWI

2 stops17h 58mDelta

Deal found 4/24

$1,255

Tue 5/278:00 amBWI - BSL

2 stops31h 05mMultiple Airlines

Tue 6/39:20 pmBSL - BWI

1 stop26h 20mMultiple Airlines

Deal found 4/24

$866

Thu 5/291:52 pmIAD - BSL

2 stops15h 03mAir Canada

Tue 6/311:25 amBSL - IAD

2 stops28h 16mAir Canada

Deal found 4/24

$902

Last-minute flights from Washington, D.C. to Basel
Discover last-minute flight deals from Washington, D.C. to Basel. Data last updated April 25, 2025 and is based on user searches.

Mon 4/281:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Tue 5/136:55 pmBSL - IAD

1 stop22h 50mTurkish Airlines

Deal found 4/24

$660

Tue 5/275:40 pmIAD - BSL

1 stop12h 45mUnited Airlines

Tue 6/39:45 amBSL - IAD

1 stop11h 35mUnited Airlines

Deal found 4/24

$833

Tue 5/275:25 pmIAD - BSL

1 stop34h 15mAustrian Airlines

Mon 6/28:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 4/24

$838

Tue 5/278:00 amBWI - BSL

2 stops31h 05mMultiple Airlines

Tue 6/39:20 pmBSL - BWI

1 stop26h 20mMultiple Airlines

Deal found 4/24

$866

Tue 5/2710:05 pmIAD - BSL

1 stop14h 55mMultiple Airlines

Tue 6/31:30 pmBSL - IAD

2 stops31h 50mMultiple Airlines

Deal found 4/24

$872

Wed 5/289:40 amDCA - BSL

2 stops19h 15mAir Canada

Wed 6/48:25 amBSL - DCA

2 stops19h 28mAir Canada

Deal found 4/24

$826

Wed 5/281:15 pmDCA - BSL

2 stops14h 20mKLM

Thu 6/52:25 pmBSL - DCA

2 stops14h 20mKLM

Deal found 4/24

$1,064

Wed 5/285:25 pmIAD - BSL

1 stop14h 25mKLM

Sun 6/12:25 pmBSL - IAD

1 stop31h 10mKLM

Deal found 4/24

$1,159

Thu 5/291:52 pmIAD - BSL

2 stops15h 03mAir Canada

Tue 6/311:25 amBSL - IAD

2 stops28h 16mAir Canada

Deal found 4/24

$902

Thu 5/291:00 pmDCA - BSL

2 stops14h 10mUnited Airlines

Tue 6/39:45 amBSL - DCA

2 stops14h 18mUnited Airlines

Deal found 4/24

$1,002

Thu 5/299:20 pmBWI - BSL

1 stop15h 45mBritish Airways

Tue 6/311:10 amBSL - BWI

1 stop14h 25mBritish Airways

Deal found 4/24

$1,105

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 April 25, 2025.

Sun 6/1511:35 amIAD - BSL

2 stops22h 30mMultiple Airlines

Deal found 4/24

$356

Tue 5/209:30 pmBWI - BSL

3 stops54h 25mMultiple Airlines

Deal found 4/24

$413

Sun 6/156:05 amDCA - BSL

3 stops28h 00mMultiple Airlines

Deal found 4/24

$418

Mon 10/207:25 pmIAD - BSL

1 stop10h 20mBritish Airways

Deal found 4/25

$530

Sat 10/117:45 pmDCA - BSL

2 stops33h 35mBritish Airways

Deal found 4/25

$539

Sat 10/117:25 pmIAD - BSL

1 stop21h 25mAmerican Airlines

Deal found 4/25

$587

Sat 10/119:20 pmBWI - BSL

1 stop19h 30mAmerican Airlines

Deal found 4/25

$587

Sat 10/118:18 pmBWI - BSL

2 stops20h 32mBritish Airways

Deal found 4/25

$589

Wed 5/79:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

Deal found 4/24

$592

Mon 6/161:25 pmDCA - BSL

2 stops17h 45mDelta

Deal found 4/24

$896

Sun 6/151:00 pmDCA - BSL

2 stops24h 35mUnited Airlines

Deal found 4/24

$900

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Basel EuroAirport Swiss that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sat 8/16

9:40 pm-6:00 pm

1 stop14h 20m

Basel EuroAirport Swiss

Wed 12/10

6:05 pm-7:30 pm

1 stop31h 25m

$649

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sat 8/16

10:34 pm-12:25 pm

2 stops31h 51m

Basel EuroAirport Swiss

Wed 12/10

2:15 pm-7:35 am

2 stops23h 20m

$764

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Wed 5/28

9:40 am-10:55 am

2 stops19h 15m

Basel EuroAirport Swiss

Wed 6/4

8:25 am-9:53 pm

2 stops19h 28m

$826

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 5/27

5:40 pm-12:25 pm

1 stop12h 45m

Basel EuroAirport Swiss

Tue 6/3

9:45 am-3:20 pm

1 stop11h 35m

$833

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 5/27

5:25 pm-9:40 am

1 stop34h 15m

Basel EuroAirport Swiss

Mon 6/2

8:25 pm-2:35 pm

1 stop24h 10m

$838

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Tue 5/27

8:00 am-9:05 pm

2 stops31h 05m

Basel EuroAirport Swiss

Tue 6/3

9:20 pm-5:40 pm

1 stop26h 20m

$866

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 5/29

1:52 pm-10:55 am

2 stops15h 03m

Basel EuroAirport Swiss

Tue 6/3

11:25 am-9:41 am

2 stops28h 16m

$902

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Tue 7/15

4:30 pm-12:25 pm

2 stops13h 55m

Basel EuroAirport Swiss

Tue 7/22

8:30 am-7:42 pm

2 stops17h 12m

$953

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Thu 5/29

1:00 pm-9:10 am

2 stops14h 10m

Basel EuroAirport Swiss

Tue 6/3

9:45 am-6:03 pm

2 stops14h 18m

$1,002

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 6/16

5:33 pm-5:50 pm

2 stops18h 17m

Basel EuroAirport Swiss

Mon 6/23

8:10 pm-7:25 pm

1 stop29h 15m

$1,011

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 32 results

Compare providers for flights from Washington, D.C. to Basel

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Basel in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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 eDreams the most. eDreams 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

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, KLM and Austrian 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

7,920 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

7,920 reviews

Delta

8.0

Very good

7,920 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.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,920 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

780 reviews

Delta

8.0

Very good

7,920 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

8,685 reviews

Delta

8.0

Very good

7,920 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

3,776 reviews

Delta

8.0

Very good

7,920 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 $649. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $826 and $833, respectively. Users have found that Turkish Airlines is 33% 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 British Airways, which is currently one of the cheapest options available, starting at $530. American Airlines flights start at $587 while deals on Turkish Airlines start at $592 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%

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$356+ 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 6/15. 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

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

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Most trusted provider

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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 April 25, 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 April 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Basel EuroAirport Swiss that are best for you.

Compare providers for flights from Washington, D.C. to Basel

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Basel in April.

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.

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Everything you need to know about your flight from Washington, D.C. to Basel EuroAirport Swiss

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 April 25, 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

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, 2025.

See what other customers who have flown with Delta, KLM and Austrian 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?

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Alternative routes for Washington, D.C. to Basel

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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 April 25, 2025.