Basel Mulhouse Freiburg (BSL) to Philadelphia (PHL) flight deal in economy from $711

Friday, January 15th, 2027

3 round-trip options

Returning
Fri, Jan 22, 20277 Day Trip
$717 USD
Returning
Thu, Jan 28, 202713 Day Trip
$717 USD
Returning
Fri, Jan 29, 202714 Day Trip
$717 USD