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

Cheapflights users have booked flights from Washington, D.C. to Basel round-trip from $501. Other airlines that can offer you cheap pricing are American Airlines, from $511, and United Airlines, from $556. You may be able to fly from Washington, D.C. to Basel for 63% less than the average price by searching for these airlines.

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

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $422. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Washington, D.C. to Basel for a low price.

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

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

Travelers seeking maximum savings on their Washington, D.C. to Basel flight should consider departing on Wednesday 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?

Most travelers choose Washington, D.C. Dulles Intl - Basel EuroAirport Swiss, Baltimore/Washington - Basel EuroAirport Swiss or Washington, D.C. Reagan-National - Basel EuroAirport Swiss when deciding on the best route from Washington, D.C. to Basel.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 54% on your flight compared to booking on days when demand is much higher.

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

Our data shows that September tends to be the cheapest month to fly to Basel from Washington, D.C.. Users have commonly found prices around $1,374 for the month, but tickets can be as low as $571. Due to multiple factors, prepare for potentially higher prices in January.

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

When flying from Washington, D.C. to Basel, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 3% versus a flight at noon.

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

Located just 0.2 mi from the city center, Basel All airports is the airport most travelers will use when flying to Basel from Washington, D.C.. Booking flights from Washington, D.C. to All airports (EAP) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 1 airline.

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.

$273+ Flights from Washington, D.C. to Basel

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

Round-trip from	$501 (AirNGo)
One-way from	$273 (Kiwi.com)
Popular in	January
Cheapest in	September
Average price	$951

From Washington, D.C. (WAS) to Basel (EAP)

Search Deals

One-way flight from Washington, D.C. (WAS) to Basel (EAP)

Search Deals

Highest demand for flights based on searches. 60% potential increase in price ($2,149 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 44% potential price decrease ($425 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 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 junio 12, 2025.

lun. 8/410:40 pmIAD - BSL

1 stop18h 10mBritish Airways

mié. 8/206:40 amBSL - IAD

1 stop19h 30mBritish Airways

Deal found 6/10

$501

mar. 8/57:25 pmIAD - BSL

1 stop21h 25mAmerican Airlines

mar. 8/1911:55 amBSL - IAD

2 stops17h 01mAmerican Airlines

Deal found 6/10

$511

lun. 8/49:20 pmBWI - BSL

1 stop19h 30mAmerican Airlines

mié. 8/206:40 amBSL - BWI

2 stops17h 23mAmerican Airlines

Deal found 6/10

$512

mar. 8/52:54 pmDCA - BSL

2 stops14h 01mAmerican Airlines

mar. 8/1911:55 amBSL - DCA

2 stops16h 44mAmerican Airlines

Deal found 6/10

$516

lun. 8/184:40 pmDCA - BSL

2 stops12h 20mBritish Airways

mié. 8/206:40 amBSL - DCA

2 stops15h 36mBritish Airways

Deal found 6/11

$518

mar. 12/26:00 amDCA - BSL

2 stops22h 05mMultiple Airlines

mar. 12/910:40 amBSL - DCA

2 stops17h 57mMultiple Airlines

Deal found 6/12

$524

mar. 12/29:45 amIAD - BSL

2 stops18h 20mMultiple Airlines

mar. 12/910:40 amBSL - IAD

2 stops15h 49mMultiple Airlines

Deal found 6/11

$529

jue. 9/186:50 pmBWI - BSL

2 stops21h 15mMultiple Airlines

vie. 9/266:55 amBSL - BWI

2 stops16h 45mMultiple Airlines

Deal found 6/11

$545

mar. 12/29:15 amIAD - BSL

2 stops27h 15mUnited Airlines

mar. 12/92:00 pmBSL - IAD

1 stop12h 15mUnited Airlines

Deal found 6/12

$556

mar. 12/29:55 amIAD - BSL

2 stops18h 10mAir Canada

mar. 12/910:40 amBSL - IAD

2 stops15h 49mAir Canada

Deal found 6/11

$563

mar. 12/211:00 amDCA - BSL

2 stops17h 05mAir Canada

mar. 12/910:40 amBSL - DCA

2 stops17h 57mAir Canada

Deal found 6/11

$563

jue. 9/189:40 pmIAD - BSL

1 stop30h 00mTurkish Airlines

vie. 9/266:55 pmBSL - IAD

1 stop22h 50mTurkish Airlines

Deal found 6/11

$569

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 junio 12, 2025.

lun. 8/410:40 pmIAD - BSL

1 stop18h 10mBritish Airways

mié. 8/206:40 amBSL - IAD

1 stop19h 30mBritish Airways

Deal found 6/10

$501

mar. 8/57:25 pmIAD - BSL

1 stop21h 25mAmerican Airlines

mar. 8/1911:55 amBSL - IAD

2 stops17h 01mAmerican Airlines

Deal found 6/10

$511

mar. 12/26:00 amDCA - BSL

2 stops22h 05mMultiple Airlines

mar. 12/910:40 amBSL - DCA

2 stops17h 57mMultiple Airlines

Deal found 6/12

$524

mar. 12/29:15 amIAD - BSL

2 stops27h 15mUnited Airlines

mar. 12/92:00 pmBSL - IAD

1 stop12h 15mUnited Airlines

Deal found 6/11

$556

mar. 12/29:55 amIAD - BSL

2 stops18h 10mAir Canada

mar. 12/910:40 amBSL - IAD

2 stops15h 49mAir Canada

Deal found 6/11

$563

lun. 9/19:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

mar. 9/96:55 pmBSL - IAD

1 stop22h 50mTurkish Airlines

Deal found 6/12

$569

mié. 9/310:20 pmIAD - BSL

1 stop15h 15mLufthansa

vie. 9/126:05 amBSL - IAD

1 stop15h 45mLufthansa

Deal found 6/12

$582

lun. 8/45:37 pmBWI - BSL

2 stops14h 33mDelta

mié. 8/202:25 pmBSL - BWI

2 stops14h 23mDelta

Deal found 6/10

$596

lun. 9/15:25 pmIAD - BSL

1 stop20h 20mAustrian Airlines

lun. 9/88:25 pmBSL - IAD

1 stop24h 10mAustrian Airlines

Deal found 6/12

$599

lun. 8/49:20 pmBWI - BSL

1 stop19h 30mAmerican Airlines

mié. 8/206:40 amBSL - BWI

2 stops17h 23mAmerican Airlines

Deal found 6/10

$512

lun. 8/184:40 pmDCA - BSL

2 stops12h 20mBritish Airways

mié. 8/206:40 amBSL - DCA

2 stops15h 36mBritish Airways

Deal found 6/11

$518

mar. 12/29:45 amIAD - BSL

2 stops18h 20mMultiple Airlines

mar. 12/910:40 amBSL - IAD

2 stops15h 49mMultiple Airlines

Deal found 6/11

$529

Last-minute flights from Washington, D.C. to Basel
Discover last-minute flight deals from Washington, D.C. to Basel. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/176:50 pmBWI - BSL

2 stops14h 35mMultiple Airlines

lun. 7/76:05 amBSL - BWI

2 stops17h 35mMultiple Airlines

Deal found 6/9

$1,229

mar. 6/1712:00 pmDCA - BSL

2 stops15h 10mUnited Airlines

lun. 7/79:45 amBSL - DCA

2 stops14h 17mUnited Airlines

Deal found 6/9

$2,114

mar. 6/179:20 pmBWI - BSL

1 stop19h 30mBritish Airways

lun. 7/77:20 pmBSL - BWI

1 stop30h 15mBritish Airways

Deal found 6/9

$2,134

mié. 6/181:45 pmDCA - BSL

2 stops13h 45mAir France

vie. 7/41:50 pmBSL - DCA

2 stops15h 07mAir France

Deal found 6/9

$2,051

mié. 6/181:45 pmDCA - BSL

2 stops13h 45mMultiple Airlines

mar. 7/82:25 pmBSL - DCA

2 stops13h 57mMultiple Airlines

Deal found 6/9

$2,052

mié. 6/185:40 pmIAD - BSL

1 stop12h 45mUnited Airlines

dom. 6/2211:30 amBSL - IAD

2 stops14h 30mUnited Airlines

Deal found 6/12

$2,137

mié. 6/188:14 pmIAD - BSL

2 stops16h 46mBritish Airways

lun. 6/2311:45 amBSL - IAD

1 stop11h 50mBritish Airways

Deal found 6/10

$2,172

vie. 6/2011:15 pmIAD - BSL

1 stop24h 45mMultiple Airlines

vie. 7/47:00 amBSL - IAD

2 stops20h 12mMultiple Airlines

Deal found 6/9

$1,337

dom. 6/229:40 pmIAD - BSL

1 stop30h 00mTurkish Airlines

lun. 6/3010:35 amBSL - IAD

1 stop31h 10mTurkish Airlines

Deal found 6/11

$1,058

dom. 6/226:59 pmDCA - BSL

2 stops21h 51mBritish Airways

lun. 6/307:20 pmBSL - DCA

2 stops27h 10mBritish Airways

Deal found 6/11

$2,037

dom. 6/225:29 pmIAD - BSL

2 stops13h 41mAir France

lun. 6/3010:10 amBSL - IAD

1 stop15h 05mAir France

Deal found 6/11

$2,090

dom. 6/2212:13 pmIAD - BSL

2 stops15h 17mDelta

lun. 6/3010:10 amBSL - IAD

2 stops18h 45mDelta

Deal found 6/11

$2,101

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 junio 12, 2025.

lun. 7/287:37 pmBWI - BSL

2 stops37h 18mMultiple Airlines

Deal found 6/11

$273

lun. 7/2810:20 pmIAD - BSL

3 stops37h 00mMultiple Airlines

Deal found 6/11

$304

mié. 7/307:06 pmDCA - BSL

2 stops21h 34mBritish Airways

Deal found 6/11

$422

mar. 7/2910:40 pmIAD - BSL

1 stop18h 10mBritish Airways

Deal found 6/11

$428

dom. 7/279:20 pmBWI - BSL

1 stop19h 30mBritish Airways

Deal found 6/11

$433

mié. 7/306:30 pmIAD - BSL

1 stop12h 40mDelta

Deal found 6/11

$458

dom. 7/2710:35 amDCA - BSL

2 stops16h 55mDelta

Deal found 6/11

$462

lun. 7/289:40 amDCA - BSL

2 stops19h 10mUnited Airlines

Deal found 6/11

$465

sáb. 8/29:20 pmIAD - BSL

1 stop11h 30mKLM

Deal found 6/11

$508

sáb. 8/22:20 pmBWI - BSL

2 stops18h 30mDelta

Deal found 6/11

$512

jue. 7/319:40 pmIAD - BSL

1 stop14h 20mTurkish Airlines

Deal found 6/12

$621

vie. 7/112:54 pmDCA - BSL

2 stops14h 06mMultiple Airlines

Deal found 6/12

$1,285

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Basel 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

lun. 8/4

10:40 pm-10:50 pm

1 stop18h 10m

Basel EuroAirport Swiss

mié. 8/20

6:40 am-8:10 pm

1 stop19h 30m

$501

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mar. 8/5

7:25 pm-10:50 pm

1 stop21h 25m

Basel EuroAirport Swiss

mar. 8/19

11:55 am-10:56 pm

2 stops17h 01m

$511

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

lun. 8/4

9:20 pm-10:50 pm

1 stop19h 30m

Basel EuroAirport Swiss

mié. 8/20

6:40 am-6:03 pm

2 stops17h 23m

$512

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

mar. 8/5

2:54 pm-10:55 am

2 stops14h 01m

Basel EuroAirport Swiss

mar. 8/19

11:55 am-10:39 pm

2 stops16h 44m

$516

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

lun. 8/18

4:40 pm-11:00 am

2 stops12h 20m

Basel EuroAirport Swiss

mié. 8/20

6:40 am-4:16 pm

2 stops15h 36m

$518

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

mar. 8/5

5:40 pm-12:25 pm

1 stop12h 45m

Basel EuroAirport Swiss

mar. 8/19

11:25 am-3:15 pm

1 stop33h 50m

$571

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

lun. 9/1

9:20 pm-6:20 pm

1 stop15h 00m

Basel EuroAirport Swiss

mar. 9/9

6:45 am-7:35 pm

1 stop18h 50m

$583

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

lun. 8/4

5:37 pm-2:10 pm

2 stops14h 33m

Basel EuroAirport Swiss

mié. 8/20

2:25 pm-10:48 pm

2 stops14h 23m

$596

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

lun. 8/4

1:25 pm-9:30 am

2 stops14h 05m

Basel EuroAirport Swiss

mié. 8/20

6:15 am-4:33 pm

2 stops16h 18m

$596

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

lun. 9/1

6:40 pm-7:35 pm

2 stops18h 55m

Basel EuroAirport Swiss

mié. 9/10

11:25 am-9:55 am

2 stops28h 30m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 33 results

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

Rainfall in Basel by month

In terms of precipitation, rainfall in Basel 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 when rainfall is around 1.9 in.

Temperature in Basel by month

If weather is an important factor for your trip to Basel, 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. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Turkish Airlines

7.3

Good

3,848 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Basel from Washington, D.C.?
Located just 0.2 mi from the city center, Basel All airports is the airport most travelers will use when flying to Basel from Washington, D.C.. Booking flights from Washington, D.C. to All airports (EAP) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 1 airline.
What are the cheapest airlines flying from Washington, D.C. to Basel round-trip?
Cheapflights users have booked flights from Washington, D.C. to Basel round-trip from $501. Other airlines that can offer you cheap pricing are American Airlines, from $511, and United Airlines, from $556. You may be able to fly from Washington, D.C. to Basel for 63% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Basel one-way?
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $422. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Washington, D.C. to Basel for a low price.
What are the most popular routes from Washington, D.C. to Basel?
Most travelers choose Washington, D.C. Dulles Intl - Basel EuroAirport Swiss, Baltimore/Washington - Basel EuroAirport Swiss or Washington, D.C. Reagan-National - Basel EuroAirport Swiss when deciding on the best route from Washington, D.C. to Basel.
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?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Basel (average of $545). Flying from Washington, D.C. to Basel 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 Washington, D.C. to Basel

Dulles Intl to Zurich flights

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Reagan-National to Geneva flights

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Dulles Intl to Lugano flights

Reagan-National to Lugano flights

Dulles Intl to Bern 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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$273+ Cheap flights from Washington, D.C. (WAS) to Basel (EAP)

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.

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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 junio 12, 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 junio 12, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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 junio 12, 2025.

See what other customers who have flown with Delta, KLM and Austrian Airlines from Washington, D.C. to Basel have to say. Users have also rated airlines in terms of 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 round-trip?

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

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

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?

Browse thousands of different options on Cheapflights for your next trip

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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

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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 junio 12, 2025.