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

Tuesday, January 19th, 2027

3 round-trip options

Returning
Tue, Jan 26, 20277 Day Trip
$717 USD
Returning
Mon, Feb 1, 202713 Day Trip
$717 USD
Returning
Tue, Feb 2, 202714 Day Trip
$717 USD