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

Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss is Turkish Airlines. Our recent data shows that you can find tickets from as low as $529 on this airline. Additional options worth looking into are United Airlines and Austrian Airlines, starting at $633 and $646 round-trip. Turkish Airlines is currently priced 35% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport 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 $454. United Airlines flights start at $541 while deals on Turkish Airlines start at $621 one-way.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Basel EuroAirport Swiss?

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

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.

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).

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

Wednesday is generally a great day to depart. Flying on this day could help you save up to 35%.

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

September can be a great time to fly to Basel EuroAirport Swiss from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $1,367. Cheapflights users have found deals in the month of September for as cheap as $571. The most expensive prices can be found in the month of January.

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

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss at noon. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

What airport do you fly into for flights to Basel from Washington, D.C. Dulles Intl?

Most people fly into Basel EuroAirport Swiss (BSL) if they book a flight to Basel from Washington, D.C. Dulles Intl. On average, EuroAirport Swiss has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Basel EuroAirport Swiss is conveniently located just 3.6 mi from Basel’s city center.

Can I find deals for flights from Dulles Intl to Basel that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Basel?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Basel.

Can I find deals for business class flights from Dulles Intl to Basel?

Yes. Cheapflights offers flight deals from Dulles Intl to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$283+ Flights from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss

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Cheap flight deals from Dulles Intl to Basel

Round-trip from	$529 (FlightHub)
One-way from	$283 (Kiwi.com)
Popular in	May
Cheapest in	December
Average price	$854

From Washington, D.C. Dulles Intl to Basel EuroAirport Swiss

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One-way flight from Washington, D.C. Dulles Intl to Basel EuroAirport Swiss

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Highest demand for flights based on searches. 11% potential increase in price ($107 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Dulles Intl to Basel

Cheapest flights from Dulles Intl to Basel
Explore the most affordable flight options available from Dulles Intl to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Mon 9/11:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Thu 9/186:55 pmBSL - IAD

1 stop22h 50mTurkish Airlines

Deal found 7/29

$529

Tue 12/29:55 amIAD - BSL

2 stops18h 00mMultiple Airlines

Tue 12/96:55 amBSL - IAD

1 stop14h 55mMultiple Airlines

Deal found 7/27

$608

Mon 12/11:58 pmIAD - BSL

2 stops18h 37mAmerican Airlines

Wed 12/106:20 amBSL - IAD

2 stops19h 08mAmerican Airlines

Deal found 7/29

$614

Mon 12/111:10 pmIAD - BSL

1 stop10h 50mUnited Airlines

Wed 12/109:45 amBSL - IAD

2 stops16h 44mUnited Airlines

Deal found 7/29

$620

Mon 8/255:25 pmIAD - BSL

1 stop20h 20mAustrian Airlines

Mon 9/18:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 7/27

$646

Tue 10/72:18 pmIAD - BSL

2 stops22h 12mBritish Airways

Sat 11/1511:10 amBSL - IAD

1 stop14h 45mBritish Airways

Deal found 7/27

$657

Mon 8/256:10 pmIAD - BSL

1 stop10h 40mLufthansa

Mon 9/18:10 pmBSL - IAD

2 stops23h 20mLufthansa

Deal found 7/27

$665

Thu 9/259:35 amIAD - BSL

2 stops19h 20mAir Canada

Mon 9/298:25 amBSL - IAD

2 stops31h 13mAir Canada

Deal found 7/29

$794

Best flights from Dulles Intl to Basel
Discover carefully curated flight deals from Dulles Intl to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Mon 9/11:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Thu 9/186:55 pmBSL - IAD

1 stop22h 50mTurkish Airlines

Deal found 7/29

$529

Wed 9/109:45 amIAD - BSL

2 stops19h 05mMultiple Airlines

Wed 9/178:25 amBSL - IAD

1 stop13h 25mMultiple Airlines

Deal found 7/27

$616

Tue 8/265:40 pmIAD - BSL

1 stop12h 45mUnited Airlines

Tue 9/211:25 amBSL - IAD

1 stop14h 35mUnited Airlines

Deal found 7/27

$633

Mon 8/255:25 pmIAD - BSL

1 stop20h 20mAustrian Airlines

Mon 9/18:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 7/27

$646

Tue 10/72:18 pmIAD - BSL

2 stops22h 12mBritish Airways

Sat 11/1511:10 amBSL - IAD

1 stop14h 45mBritish Airways

Deal found 7/27

$657

Mon 8/256:10 pmIAD - BSL

1 stop10h 40mLufthansa

Mon 9/18:10 pmBSL - IAD

2 stops23h 20mLufthansa

Deal found 7/27

$665

Fri 8/227:25 pmIAD - BSL

2 stops21h 25mAmerican Airlines

Mon 8/256:35 amBSL - IAD

2 stops18h 17mAmerican Airlines

Deal found 7/27

$715

Thu 9/259:35 amIAD - BSL

2 stops19h 20mAir Canada

Mon 9/298:25 amBSL - IAD

2 stops31h 13mAir Canada

Deal found 7/29

$794

Last-minute flights from Dulles Intl to Basel
Discover last-minute flight deals from Dulles Intl to Basel. Data last updated July 29, 2025 and is based on user searches.

Sat 8/28:45 pmIAD - BSL

2 stops16h 50mSWISS

Mon 8/48:10 pmBSL - IAD

2 stops26h 05mSWISS

Deal found 7/29

$17,802

Tue 8/55:40 pmIAD - BSL

1 stop12h 45mUnited Airlines

Tue 8/2611:25 amBSL - IAD

1 stop14h 40mUnited Airlines

Deal found 7/28

$778

Tue 8/53:40 pmIAD - BSL

2 stops13h 10mAir Canada

Tue 8/268:30 amBSL - IAD

2 stops18h 31mAir Canada

Deal found 7/28

$889

Fri 8/85:55 pmIAD - BSL

1 stop11h 05mBritish Airways

Fri 8/1511:45 amBSL - IAD

1 stop14h 25mBritish Airways

Deal found 7/27

$1,394

Fri 8/810:20 pmIAD - BSL

2 stops13h 30mLufthansa

Fri 8/158:25 amBSL - IAD

1 stop13h 25mLufthansa

Deal found 7/27

$1,427

Thu 8/141:00 pmIAD - BSL

2 stops14h 35mDelta

Sun 8/1710:00 amBSL - IAD

1 stop15h 15mDelta

Deal found 7/28

$976

Fri 8/225:55 pmIAD - BSL

1 stop11h 05mBritish Airways

Mon 8/256:35 amBSL - IAD

2 stops18h 17mBritish Airways

Deal found 7/27

$713

Fri 8/227:25 pmIAD - BSL

2 stops21h 25mAmerican Airlines

Mon 8/256:35 amBSL - IAD

2 stops18h 17mAmerican Airlines

Deal found 7/27

$715

Mon 8/251:30 pmIAD - BSL

1 stop22h 30mTurkish Airlines

Tue 9/96:55 pmBSL - IAD

1 stop22h 50mTurkish Airlines

Deal found 7/29

$566

Mon 8/256:10 pmIAD - BSL

1 stop10h 40mMultiple Airlines

Tue 9/911:25 amBSL - IAD

2 stops28h 13mMultiple Airlines

Deal found 7/29

$629

Mon 8/255:25 pmIAD - BSL

1 stop20h 20mAustrian Airlines

Mon 9/18:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 7/27

$646

Mon 8/256:10 pmIAD - BSL

1 stop10h 40mLufthansa

Mon 9/18:10 pmBSL - IAD

2 stops23h 20mLufthansa

Deal found 7/27

$665

One-way flights from Dulles Intl to Basel
Search for one-way flight options from Dulles Intl to Basel. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 9/155:45 pmIAD - BSL

3 stops41h 35mMultiple Airlines

Deal found 7/28

$283

Wed 10/155:50 pmIAD - BSL

1 stop11h 30mBritish Airways

Deal found 7/27

$454

Sat 10/116:40 pmIAD - BSL

2 stops18h 55mUnited Airlines

Deal found 7/28

$541

Mon 9/19:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

Deal found 7/28

$621

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 9/1

1:30 pm-6:00 pm

1 stop22h 30m

Basel EuroAirport Swiss

Thu 9/18

6:55 pm-11:45 am

1 stop22h 50m

$529

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 9/10

9:45 am-10:50 am

2 stops19h 05m

Basel EuroAirport Swiss

Wed 9/17

8:25 am-3:50 pm

1 stop13h 25m

$616

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 8/26

5:40 pm-12:25 pm

1 stop12h 45m

Basel EuroAirport Swiss

Tue 9/2

11:25 am-8:00 pm

1 stop14h 35m

$633

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 8/25

5:25 pm-7:45 pm

1 stop20h 20m

Basel EuroAirport Swiss

Mon 9/1

8:25 pm-2:35 pm

1 stop24h 10m

$646

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Tue 10/7

2:18 pm-6:30 pm

2 stops22h 12m

Basel EuroAirport Swiss

Sat 11/15

11:10 am-7:55 pm

1 stop14h 45m

$657

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 8/25

6:10 pm-10:50 am

1 stop10h 40m

Basel EuroAirport Swiss

Mon 9/1

8:10 pm-1:30 pm

2 stops23h 20m

$665

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Fri 8/22

7:25 pm-10:50 pm

2 stops21h 25m

Basel EuroAirport Swiss

Mon 8/25

6:35 am-6:52 pm

2 stops18h 17m

$715

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Thu 9/25

9:35 am-10:55 am

2 stops19h 20m

Basel EuroAirport Swiss

Mon 9/29

8:25 am-9:38 am

2 stops31h 13m

$794

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 9/15

5:45 pm-5:20 pm

3 stops41h 35m

$283

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 10/15

5:50 pm-11:20 am

1 stop11h 30m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results

Best time to book a flight from Dulles Intl to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Basel

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss, such as Austrian Airlines, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

821 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Austrian Airlines

7.6

Good

821 reviews

Austrian Airlines

7.6

Good

821 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

United Airlines

7.4

Good

8,896 reviews

Austrian Airlines

7.6

Good

821 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Turkish Airlines

7.3

Good

3,925 reviews

Austrian Airlines

7.6

Good

821 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

American Airlines

7.2

Good

10,000 reviews

Austrian Airlines

7.6

Good

821 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Air Canada

7.1

Good

9,826 reviews

Austrian Airlines

7.6

Good

821 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

What airport do you fly into for flights to Basel from Washington, D.C. Dulles Intl?
Most people fly into Basel EuroAirport Swiss (BSL) if they book a flight to Basel from Washington, D.C. Dulles Intl. On average, EuroAirport Swiss has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Basel EuroAirport Swiss is conveniently located just 3.6 mi from Basel’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss round-trip?
Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss is Turkish Airlines. Our recent data shows that you can find tickets from as low as $529 on this airline. Additional options worth looking into are United Airlines and Austrian Airlines, starting at $633 and $646 round-trip. Turkish Airlines is currently priced 35% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport 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 $454. United Airlines flights start at $541 while deals on Turkish Airlines start at $621 one-way.
Can I find deals for flights from Dulles Intl to Basel that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Basel?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Basel.
Can I find deals for business class flights from Dulles Intl to Basel?
Yes. Cheapflights offers flight deals from Dulles Intl to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Basel EuroAirport Swiss (average of $545). Flying from Washington, D.C. Dulles Intl Airport 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

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Alternative routes for Dulles Intl to Basel

Reagan-National to Basel flights

Baltimore to Basel flights

Top airline flying from Dulles Intl to Basel

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$530	Average$584	FlexibilityNo cancel fee	On-time77%

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$283+ Cheap flights from Dulles Intl (IAD) to Basel EuroAirport Swiss (BSL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Dulles Intl to Basel

Cheapest flights from Dulles Intl to BaselExplore the most affordable flight options available from Dulles Intl to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Dulles Intl with our price prediction graph.

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 July 29, 2025.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Basel from Washington, D.C. Dulles Intl?

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

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

Can I find deals for flights from Dulles Intl to Basel that include hotel bookings?

How can I find direct flights from Dulles Intl to Basel?

Can I find deals for business class flights from Dulles Intl to Basel?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport 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 Dulles Intl to Basel

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Basel

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Cheapest flights from Dulles Intl to Basel
Explore the most affordable flight options available from Dulles Intl to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.