
Popular airlines from Chicago to Grassy Key
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Plan, book, fly with confidence
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Cheap Flights from Chicago to Grassy Key (CHI-MIA)
Prices were available within the past 7 days and start at ¥8,360 for one-way flights and ¥19,820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 21 - Thu, Aug 28
ORD
Chicago
MIA
Miami
¥19,820 Roundtrip, found 1 day ago
¥19,820
Roundtrip
found 1 day ago

Sat, Aug 16 - Sat, Aug 23
ORD
Chicago
MIA
Miami
¥21,300 Roundtrip, found 6 days ago
¥21,300
Roundtrip
found 6 days ago

Tue, Jul 29 - Fri, Aug 1
ORD
Chicago
MIA
Miami
¥22,200 Roundtrip, found 9 hours ago
¥22,200
Roundtrip
found 9 hours ago

Sat, Oct 4 - Sun, Oct 5
ORD
Chicago
MIA
Miami
¥23,640 Roundtrip, found 1 hour ago
¥23,640
Roundtrip
found 1 hour ago

Mon, Oct 20 - Fri, Oct 24
ORD
Chicago
MIA
Miami
¥25,630 Roundtrip, found 3 days ago
¥25,630
Roundtrip
found 3 days ago

Wed, Nov 12 - Fri, Nov 14
ORD
Chicago
MIA
Miami
¥29,210 Roundtrip, just found
¥29,210
Roundtrip
just found
Find the cheapest month to fly from Chicago (CHI) to Miami (MIA)
September is typically the cheapest month to fly
From ¥8,316 - ¥24,092 per traveler.
Graph displaying average flight prices per month
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