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 $611. Additional round-trip tickets that might be worth considering are offered by British Airways and Austrian Airlines, with the lowest prices starting at $749 and $811, respectively. Users have found that Turkish Airlines is 37% 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 $492. American Airlines flights start at $547 while deals on Turkish Airlines start at $621 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 Baltimore/Washington - Basel EuroAirport Swiss or Washington, D.C. Reagan-National - 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.

$404+ 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	$611 (oojo)
One-way from	$404 (Trip.com)
Popular in	May
Cheapest in	March
Average price	$1,356

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.

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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 May 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 May 1, 2025.

Thu 9/181:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Wed 10/110:35 amBSL - IAD

1 stop31h 10mTurkish Airlines

Deal found 4/30

$611

Sat 9/136:50 pmBWI - BSL

2 stops22h 30mMultiple Airlines

Mon 9/227:00 amBSL - BWI

2 stops16h 40mMultiple Airlines

Deal found 5/1

$624

Tue 8/124:30 pmDCA - BSL

2 stops13h 55mMultiple Airlines

Thu 8/2811:30 amBSL - DCA

2 stops16h 18mMultiple Airlines

Deal found 4/30

$744

Tue 8/129:20 pmBWI - BSL

1 stop19h 30mBritish Airways

Thu 8/2812:15 pmBSL - BWI

1 stop13h 20mBritish Airways

Deal found 4/30

$749

Tue 8/127:25 pmIAD - BSL

2 stops17h 05mBritish Airways

Thu 8/2812:15 pmBSL - IAD

1 stop11h 20mBritish Airways

Deal found 4/30

$754

Thu 9/184:35 pmIAD - BSL

2 stops35h 50mMultiple Airlines

Wed 10/11:30 pmBSL - IAD

2 stops31h 30mMultiple Airlines

Deal found 4/30

$769

Thu 9/45:25 pmIAD - BSL

1 stop20h 20mAustrian Airlines

Mon 9/88:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 4/30

$811

Thu 9/410:20 pmIAD - BSL

1 stop15h 15mUnited Airlines

Mon 9/811:30 amBSL - IAD

2 stops39h 35mUnited Airlines

Deal found 4/30

$813

Thu 9/43:00 pmDCA - BSL

2 stops12h 10mUnited Airlines

Mon 9/811:30 amBSL - DCA

2 stops52h 50mUnited Airlines

Deal found 4/30

$817

Thu 9/188:21 pmBWI - BSL

2 stops16h 04mAmerican Airlines

Wed 10/16:40 amBSL - BWI

1 stop18h 55mAmerican Airlines

Deal found 4/30

$849

Thu 9/187:45 pmDCA - BSL

2 stops16h 40mAmerican Airlines

Wed 10/16:40 amBSL - DCA

2 stops15h 19mAmerican Airlines

Deal found 4/30

$859

Tue 8/121:03 pmIAD - BSL

2 stops15h 47mAir Canada

Thu 8/2811:30 amBSL - IAD

2 stops15h 55mAir Canada

Deal found 4/30

$941

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 May 1, 2025.

Thu 9/181:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Wed 10/110:35 amBSL - IAD

1 stop31h 10mTurkish Airlines

Deal found 4/30

$611

Sat 9/136:50 pmBWI - BSL

2 stops22h 30mMultiple Airlines

Mon 9/227:00 amBSL - BWI

2 stops16h 40mMultiple Airlines

Deal found 5/1

$624

Tue 8/129:20 pmBWI - BSL

1 stop19h 30mBritish Airways

Thu 8/2812:15 pmBSL - BWI

1 stop13h 20mBritish Airways

Deal found 4/30

$749

Thu 9/45:25 pmIAD - BSL

1 stop20h 20mAustrian Airlines

Mon 9/88:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 4/30

$811

Thu 9/410:20 pmIAD - BSL

1 stop15h 15mUnited Airlines

Mon 9/811:30 amBSL - IAD

2 stops39h 35mUnited Airlines

Deal found 4/30

$813

Thu 9/188:21 pmBWI - BSL

2 stops16h 04mAmerican Airlines

Wed 10/16:40 amBSL - BWI

1 stop18h 55mAmerican Airlines

Deal found 4/30

$849

Tue 8/121:03 pmIAD - BSL

2 stops15h 47mAir Canada

Thu 8/2811:30 amBSL - IAD

2 stops15h 55mAir Canada

Deal found 4/30

$941

Wed 7/169:20 pmIAD - BSL

1 stop30h 10mDelta

Mon 7/281:50 pmBSL - IAD

1 stop32h 30mDelta

Deal found 4/30

$1,018

Tue 7/156:10 pmIAD - BSL

1 stop13h 30mLufthansa

Sun 7/276:20 amBSL - IAD

1 stop13h 10mLufthansa

Deal found 4/30

$1,076

Wed 7/166:30 pmIAD - BSL

2 stops13h 20mAir France

Sat 7/2610:15 amBSL - IAD

2 stops15h 00mAir France

Deal found 4/30

$1,341

Thu 7/176:30 pmIAD - BSL

2 stops13h 20mKLM

Sat 7/2610:15 amBSL - IAD

2 stops15h 00mKLM

Deal found 4/30

$1,401

Tue 8/124:30 pmDCA - BSL

2 stops13h 55mMultiple Airlines

Thu 8/2811:30 amBSL - DCA

2 stops16h 18mMultiple Airlines

Deal found 4/30

$744

Last-minute flights from Washington, D.C. to Basel
Discover last-minute flight deals from Washington, D.C. to Basel. Data last updated May 1, 2025 and is based on user searches.

Sun 5/111:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Tue 5/2710:35 amBSL - IAD

1 stop31h 10mTurkish Airlines

Deal found 5/1

$629

Sun 5/111:30 pmIAD - BSL

1 stop38h 10mMultiple Airlines

Tue 5/277:00 amBSL - IAD

2 stops37h 58mMultiple Airlines

Deal found 5/1

$852

Sun 5/119:20 pmBWI - BSL

1 stop13h 35mMultiple Airlines

Tue 5/2710:05 amBSL - BWI

2 stops42h 08mMultiple Airlines

Deal found 5/1

$900

Sun 5/113:18 pmIAD - BSL

2 stops13h 37mAir Canada

Tue 5/2711:25 amBSL - IAD

2 stops16h 00mAir Canada

Deal found 5/1

$1,715

Sun 5/111:15 pmDCA - BSL

2 stops16h 05mAmerican Airlines

Tue 5/2711:10 amBSL - DCA

2 stops14h 49mAmerican Airlines

Deal found 5/1

$1,776

Sun 5/111:52 pmBWI - BSL

2 stops13h 38mDelta

Tue 5/2710:10 amBSL - BWI

2 stops14h 57mDelta

Deal found 5/1

$3,810

Wed 5/1410:20 pmIAD - BSL

1 stop15h 15mUnited Airlines

Sat 5/179:45 amBSL - IAD

1 stop11h 15mUnited Airlines

Deal found 4/30

$1,982

Wed 5/146:30 pmIAD - BSL

2 stops19h 15mAustrian Airlines

Sat 5/1710:20 amBSL - IAD

1 stop34h 15mAustrian Airlines

Deal found 4/30

$2,211

Fri 5/233:54 pmDCA - BSL

2 stops13h 06mBritish Airways

Sun 6/17:05 amBSL - DCA

2 stops14h 50mBritish Airways

Deal found 4/30

$1,404

Thu 5/296:50 pmBWI - BSL

2 stops21h 15mMultiple Airlines

Fri 6/66:55 amBSL - BWI

2 stops16h 45mMultiple Airlines

Deal found 5/1

$701

Thu 5/299:20 pmBWI - BSL

1 stop15h 05mBritish Airways

Fri 6/611:25 amBSL - BWI

1 stop14h 10mBritish Airways

Deal found 5/1

$1,060

Thu 5/2911:00 amDCA - BSL

2 stops17h 55mMultiple Airlines

Fri 6/61:00 pmBSL - DCA

2 stops15h 28mMultiple Airlines

Deal found 5/1

$1,069

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 May 1, 2025.

Sat 9/138:30 pmBWI - BSL

2 stops15h 45mMultiple Airlines

Deal found 5/1

$404

Wed 10/229:20 pmBWI - BSL

1 stop10h 55mBritish Airways

Deal found 4/30

$492

Sat 10/117:45 pmDCA - BSL

2 stops33h 35mBritish Airways

Deal found 5/1

$499

Sat 10/117:25 pmIAD - BSL

1 stop21h 25mAmerican Airlines

Deal found 4/30

$547

Sat 10/119:20 pmBWI - BSL

1 stop19h 30mAmerican Airlines

Deal found 4/30

$547

Sat 10/115:50 pmIAD - BSL

1 stop18h 35mBritish Airways

Deal found 5/1

$548

Wed 5/79:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

Deal found 4/30

$621

Wed 10/226:40 pmIAD - BSL

2 stops13h 00mMultiple Airlines

Deal found 4/30

$871

Tue 7/12:54 pmDCA - BSL

2 stops14h 01mMultiple Airlines

Deal found 4/30

$957

Thu 7/1710:20 pmIAD - BSL

1 stop15h 15mLufthansa

Deal found 4/30

$11,271

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

Thu 9/18

1:30 pm-6:00 pm

1 stop22h 30m

Basel EuroAirport Swiss

Wed 10/1

10:35 am-11:45 am

1 stop31h 10m

$611

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sat 9/13

6:50 pm-11:20 pm

2 stops22h 30m

Basel EuroAirport Swiss

Mon 9/22

7:00 am-5:40 pm

2 stops16h 40m

$624

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Tue 8/12

4:30 pm-12:25 pm

2 stops13h 55m

Basel EuroAirport Swiss

Thu 8/28

11:30 am-9:48 pm

2 stops16h 18m

$744

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Tue 8/12

9:20 pm-10:50 pm

1 stop19h 30m

Basel EuroAirport Swiss

Thu 8/28

12:15 pm-7:35 pm

1 stop13h 20m

$749

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 8/12

7:25 pm-6:30 pm

2 stops17h 05m

Basel EuroAirport Swiss

Thu 8/28

12:15 pm-5:35 pm

1 stop11h 20m

$754

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 9/18

4:35 pm-10:25 am

2 stops35h 50m

Basel EuroAirport Swiss

Wed 10/1

1:30 pm-3:00 pm

2 stops31h 30m

$769

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 9/4

5:25 pm-7:45 pm

1 stop20h 20m

Basel EuroAirport Swiss

Mon 9/8

8:25 pm-2:35 pm

1 stop24h 10m

$811

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 9/4

10:20 pm-7:35 pm

1 stop15h 15m

Basel EuroAirport Swiss

Mon 9/8

11:30 am-9:05 pm

2 stops39h 35m

$813

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Thu 9/4

3:00 pm-9:10 am

2 stops12h 10m

Basel EuroAirport Swiss

Mon 9/8

11:30 am-10:20 am

2 stops52h 50m

$817

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 9/18

8:21 pm-6:25 pm

2 stops16h 04m

Basel EuroAirport Swiss

Wed 10/1

6:40 am-7:35 pm

1 stop18h 55m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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 May.

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

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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

7,934 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

781 reviews

Delta

8.0

Very good

7,934 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.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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 $611. Additional round-trip tickets that might be worth considering are offered by British Airways and Austrian Airlines, with the lowest prices starting at $749 and $811, respectively. Users have found that Turkish Airlines is 37% 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 $492. American Airlines flights start at $547 while deals on Turkish Airlines start at $621 one-way.
What are the most popular routes from Washington, D.C. to Basel EuroAirport Swiss?
While some choose either Baltimore/Washington - Basel EuroAirport Swiss or Washington, D.C. Reagan-National - 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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$404+ 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 9/13. 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

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

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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 May 1, 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 May 1, 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 May.

Best time to book a flight from Washington, D.C. to Basel

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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 May 1, 2025.

Rainfall in Basel by month

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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 May 1, 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 May 1, 2025.