Cheap flights from Charleston to Florida Keys from CA $319

View CA $319 flight on Sat, Dec. 6, 2025Opens in a new window

Popular airlines from Charleston to Florida Keys

  • Air Canada

    Air Canada

  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

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Cheap flights from Charleston (CRW) to Florida Keys (MIA)

Prices were available within the past 7 days and start at CA $319 for one-way flights and CA $326 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec. 6 - Sat, Dec. 13
CRW
Charleston
MIA
Miami
CA $326 Roundtrip, found 9 hours ago
CA $326
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Sat, Dec. 6 from Charleston to Miami, returning Sat, Dec. 13, priced at CA $326 found 9 hours ago
Delta
Fri, Jul. 18 - Thu, Jul. 24
CRW
Charleston
MIA
Miami
CA $374 Roundtrip, found 1 hour ago
CA $374
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Jul. 18 from Charleston to Miami, returning Thu, Jul. 24, priced at CA $374 found 1 hour ago
American Airlines
Sat, Dec. 6 - Sat, Dec. 13
CRW
Charleston
MIA
Miami
CA $387 Roundtrip, found 9 hours ago
CA $387
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Sat, Dec. 6 from Charleston to Miami, returning Sat, Dec. 13, priced at CA $387 found 9 hours ago
Delta
Wed, Jul. 16 - Thu, Jul. 24
CRW
Charleston
MIA
Miami
CA $394 Roundtrip, found 1 hour ago
CA $394
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jul. 16 from Charleston to Miami, returning Thu, Jul. 24, priced at CA $394 found 1 hour ago
Delta
Wed, Dec. 24 - Wed, Jan. 7
CRW
Charleston
MIA
Miami
CA $404 Roundtrip, found 3 days ago
CA $404
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec. 24 from Charleston to Miami, returning Wed, Jan. 7, priced at CA $404 found 3 days ago
United
Sat, Dec. 6 - Sat, Dec. 13
CRW
Charleston
MIA
Miami
CA $703 Roundtrip, found 9 hours ago
CA $703
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Dec. 6 from Charleston to Miami, returning Sat, Dec. 13, priced at CA $703 found 9 hours ago

Find the cheapest month to fly from Charleston (CRW) to Key West (EYW)

May is typically the cheapest month to fly

From CA $298 - CA $844 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.