Basel Mulhouse Freiburg (BSL) to Philadelphia (PHL) cheap flight deal from $489 USD in economy class – flightdeals.net

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American Airlines

AAAmerican Airlines

Finnair

British Airways

BABritish Airways

Iberia Airlines

IBIberia Airlines

Round Trip•Economy

Euro Airport Basel-Mulhouse-Freiburg

Basel Mulhouse Freiburg, France

Philadelphia International Airport

Philadelphia, United States

$669 USD

-27%$489 USD

Verified Sep 20, 2025 at 5:33 PM

September 2025

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$1,113 22$913 23$755 24$755 25$755 26$1,745 27 28$1,325 29$495 30$495 1$489 2$489 3$773 4$1,210 5$1,080

Great Availability

67% of dates checked are available within 10% of the lowest price

Monday, September 22nd, 2025

3 round-trip options

Returning

Sat, Sep 27, 2025•5 Day Trip

$1,728 USD

Returning

Sun, Sep 28, 2025•6 Day Trip

$913 USD

Returning

Mon, Sep 29, 2025•7 Day Trip

$913 USD