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Baltimore Inner Harbor at night
BWI
Baltimore
Chicago skyline and Lake Michigan
CHI
Chicago

Baltimore → Chicago

Frontier Airlines · Round Trip · Nonstop

Save $37 (20% off)
Compared to the typical price of $188
$151$188

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 24, 2026
Returns
Apr 26, 2026

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