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$273+ Cheap flights from Baltimore (BWI) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$512
(American Airlines)

One-way from

$273
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$951
From Baltimore/Washington to Basel EuroAirport Swiss
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One-way flight from Baltimore/Washington to Basel EuroAirport Swiss
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Highest demand for flights based on searches. 60% potential increase in price ($2,149 potential increase over avg. RT price).
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Cheapest flight prices on average. 44% potential price decrease ($425 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 8/49:20 pmBWI - BSL
1 stop19h 30mAmerican Airlines
Wed 8/206:40 amBSL - BWI
2 stops17h 23mAmerican Airlines
Deal found 6/10$512
This PLAY deal was found by Cheapflights users on 6/11. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:50 pmBWI - BSL
2 stops21h 15mMultiple Airlines
Fri 9/266:55 amBSL - BWI
2 stops16h 45mMultiple Airlines
Deal found 6/11$545
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 12/25:11 pmBWI - BSL
2 stops19h 19mUnited Airlines
Tue 12/96:50 amBSL - BWI
3 stops20h 07mUnited Airlines
Deal found 6/11$575
This British Airways deal was found by Cheapflights users on 6/10. 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.
Fri 10/319:30 pmBWI - BSL
1 stop19h 00mBritish Airways
Fri 11/711:15 amBSL - BWI
1 stop13h 30mBritish Airways
Deal found 6/10$578
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:37 pmBWI - BSL
2 stops14h 33mDelta
Wed 8/202:25 pmBSL - BWI
2 stops14h 23mDelta
Deal found 6/10$596

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 June 12, 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

Mon 8/4

9:20 pm-10:50 pm

1 stop19h 30m

Basel EuroAirport Swiss

Wed 8/20

6:40 am-6:03 pm

2 stops17h 23m

$512

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Mon 9/1

9:20 pm-6:20 pm

1 stop15h 00m

Basel EuroAirport Swiss

Tue 9/9

6:45 am-7:35 pm

1 stop18h 50m

$583

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Mon 8/4

5:37 pm-2:10 pm

2 stops14h 33m

Basel EuroAirport Swiss

Wed 8/20

2:25 pm-10:48 pm

2 stops14h 23m

$596

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Mon 9/1

6:40 pm-7:35 pm

2 stops18h 55m

Basel EuroAirport Swiss

Wed 9/10

11:25 am-9:55 am

2 stops28h 30m

$597

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Wed 8/6

6:50 pm-6:40 pm

2 stops17h 50m

Basel EuroAirport Swiss

Mon 8/18

6:30 am-5:40 pm

2 stops17h 10m

$826

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Mon 7/28

7:37 pm-2:55 pm

2 stops37h 18m

$273

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sun 7/27

9:20 pm-10:50 pm

1 stop19h 30m

$433

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sat 8/2

2:20 pm-2:50 pm

2 stops18h 30m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Basel EuroAirport Swiss

Rainfall in Basel by month

Plan your trip to Basel by taking into account the average rainfall totals 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

Plan your trip to Basel by taking into account the average temperature totals 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

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Baltimore to Basel by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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

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.

  • What are the cheapest airlines flying from Baltimore to Basel EuroAirport Swiss round-trip?

    American Airlines, at $512, was found to be the cheapest airline from Baltimore to Basel EuroAirport Swiss.Alternate airlines to your destination round-trip include United Airlines and British Airways.

  • 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.

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