Philadelphia (PHL) to Basel Mulhouse Freiburg (BSL) flight deal in economy from $667

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
Round Trip•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
FranceBSL

Euro Airport Basel-Mulhouse-Freiburg

Basel Mulhouse Freiburg, France
$1,112 USD
-40%$667 USD
Verified about 4 hours ago
Rare Availability
6% of dates checked are available within 10% of the lowest price

Monday, October 19th, 2026

5 round-trip options

Returning
Sat, Oct 24, 2026•5 Day Trip
$855 USD
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Returning
Sun, Oct 25, 2026•6 Day Trip
$855 USD
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Returning
Tue, Oct 27, 2026•8 Day Trip
$945 USD
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Returning
Thu, Oct 29, 2026•10 Day Trip
$945 USD
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Returning
Mon, Nov 2, 2026•14 Day Trip
$875 USD
Google Flights