Basel Mulhouse Freiburg (BSL) to Philadelphia (PHL) flight deal in economy from $673

Saturday, September 26th, 2026

9 round-trip options

Returning
Thu, Oct 1, 20265 Day Trip
$941 USD
Returning
Fri, Oct 2, 20266 Day Trip
$916 USD
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Sat, Oct 3, 20267 Day Trip
$916 USD
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Mon, Oct 5, 20269 Day Trip
$916 USD
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Tue, Oct 6, 202610 Day Trip
$1,159 USD
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Wed, Oct 7, 202611 Day Trip
$1,075 USD
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Thu, Oct 8, 202612 Day Trip
$1,687 USD
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Fri, Oct 9, 202613 Day Trip
$1,005 USD
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Sat, Oct 10, 202614 Day Trip
$916 USD