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$721+ Cheap flights from Baltimore (BWI) to Basel EuroAirport Swiss (BSL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BSL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Baltimore to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Basel (BSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$582
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$636
From Baltimore/Washington to Basel EuroAirport Swiss
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Highest demand for flights based on searches. 60% potential increase in price ($2,147 potential increase over avg. RT price).
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Cheapest flight prices on average. 52% potential price decrease ($472 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Baltimore to Basel

Cheapest flights from Baltimore to Basel
Explore the most affordable flight options available from Baltimore to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:35 pmBWI - BSL
1 stop19h 45mBritish Airways
Sun 11/236:35 amBSL - BWI
1 stop18h 10mBritish Airways
Deal found 9/15$721
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:54 amBWI - BSL
2 stops20h 41mAmerican Airlines
Thu 12/186:05 amBSL - BWI
1 stop18h 40mAmerican Airlines
Deal found 9/17$724
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:21 pmBWI - BSL
2 stops19h 59mAmerican Airlines
Sun 11/236:35 amBSL - BWI
2 stops21h 49mAmerican Airlines
Deal found 9/15$734
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:56 amBWI - BSL
2 stops19h 34mMultiple Airlines
Sun 11/236:45 amBSL - BWI
3 stops20h 39mMultiple Airlines
Deal found 9/15$791
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:50 pmBWI - BSL
2 stops17h 00mMultiple Airlines
Tue 10/218:30 amBSL - BWI
2 stops15h 10mMultiple Airlines
Deal found 9/16$828
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:50 pmBWI - BSL
1 stop29h 10mMultiple Airlines
Wed 9/171:30 pmBSL - BWI
2 stops34h 10mMultiple Airlines
Deal found 9/15$851
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:35 pmBWI - BSL
1 stop12h 30mBritish Airways
Tue 12/237:05 pmBSL - BWI
1 stop29h 40mBritish Airways
Deal found 9/15$866
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:35 pmBWI - BSL
1 stop19h 30mBritish Airways
Mon 11/244:00 pmBSL - BWI
1 stop32h 45mBritish Airways
Deal found 9/15$871
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:50 pmBWI - BSL
3 stops38h 30mMultiple Airlines
Thu 10/235:05 pmBSL - BWI
2 stops30h 35mMultiple Airlines
Deal found 9/16$882
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:35 pmBWI - BSL
1 stop19h 45mBritish Airways
Sun 11/236:35 amBSL - BWI
1 stop18h 10mBritish Airways
Deal found 9/15$921
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:35 pmBWI - BSL
1 stop31h 40mBritish Airways
Tue 12/27:05 pmBSL - BWI
1 stop29h 40mBritish Airways
Deal found 9/16$925

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Basel that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Baltimore to Basel EuroAirport Swiss that are best for you.

Fly from

Baltimore

Fly to

Basel

Route

Depart

Return

Price

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Tue 11/18

8:35 pm-10:15 am

1 stop31h 40m

Basel EuroAirport Swiss

Mon 11/24

4:00 pm-6:45 pm

1 stop32h 45m

$721

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Mon 12/8

11:54 am-2:35 pm

2 stops20h 41m

Basel EuroAirport Swiss

Thu 12/18

6:05 am-6:45 pm

1 stop18h 40m

$724

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sun 11/9

10:56 am-12:30 pm

2 stops19h 34m

Basel EuroAirport Swiss

Sun 11/23

6:45 am-9:24 pm

3 stops20h 39m

$791

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Fri 10/17

6:50 pm-5:50 pm

2 stops17h 00m

Basel EuroAirport Swiss

Tue 10/21

8:30 am-5:40 pm

2 stops15h 10m

$828

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 10/30

8:40 pm-4:10 pm

2 stops14h 30m

Basel EuroAirport Swiss

Thu 11/6

7:30 am-8:50 am

2 stops31h 20m

$851

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Tue 11/25

8:35 pm-3:05 pm

1 stop12h 30m

Basel EuroAirport Swiss

Mon 12/1

4:00 pm-6:45 pm

1 stop32h 45m

$866

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Tue 12/16

8:35 pm-3:05 pm

1 stop12h 30m

Basel EuroAirport Swiss

Mon 12/22

4:00 pm-6:45 pm

1 stop32h 45m

$866

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sat 10/18

6:50 pm-6:00 pm

2 stops17h 10m

Basel EuroAirport Swiss

Thu 10/23

5:05 pm-5:40 pm

2 stops30h 35m

$866

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Tue 12/16

8:35 pm-10:20 pm

1 stop19h 45m

Basel EuroAirport Swiss

Wed 12/24

11:10 am-6:45 pm

1 stop13h 35m

$866

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Wed 11/19

8:35 pm-10:05 pm

1 stop19h 30m

Basel EuroAirport Swiss

Mon 11/24

4:00 pm-6:45 pm

1 stop32h 45m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
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Best time to book a flight from Baltimore to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Baltimore 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.

Related info for your journey

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

  • How long is the flight from Baltimore to Basel EuroAirport Swiss?

    For as low as $724, British Airways can have you in Basel EuroAirport Swiss from Baltimore in 20h 41m. Baltimore and Basel EuroAirport Swiss are separated by a distance of 4054 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Baltimore to Basel that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Basel?

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

  • Can I find deals for business class flights from Baltimore to Basel?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to Basel EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Basel EuroAirport Swiss (average of $545). Flying from Baltimore 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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