Cheap flights from Jacksonville to Florida Keys from CA $172

View CA $172 flight on Tue, Oct. 14, 2025Opens in a new window

Popular airlines from Jacksonville 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 Jacksonville (JAX) to Florida Keys (MIA)

Prices were available within the past 7 days and start at CA $172 for one-way flights and CA $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep. 13 - Tue, Sep. 16
JAX
Jacksonville
EYW
Key West
CA $343 Roundtrip, found 1 day ago
CA $343
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep. 13 from Jacksonville to Key West, returning Tue, Sep. 16, priced at CA $343 found 1 day ago
Delta
Fri, Sep. 12 - Tue, Sep. 16
JAX
Jacksonville
EYW
Key West
CA $382 Roundtrip, found 1 day ago
CA $382
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep. 12 from Jacksonville to Key West, returning Tue, Sep. 16, priced at CA $382 found 1 day ago
Delta
Tue, Nov. 18 - Wed, Dec. 3
DAB
Daytona Beach
MIA
Miami
CA $403 Roundtrip, found 3 days ago
CA $403
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Nov. 18 from Daytona Beach to Miami, returning Wed, Dec. 3, priced at CA $403 found 3 days ago
Delta
Fri, Sep. 12 - Thu, Sep. 18
JAX
Jacksonville
EYW
Key West
CA $421 Roundtrip, found 1 day ago
CA $421
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep. 12 from Jacksonville to Key West, returning Thu, Sep. 18, priced at CA $421 found 1 day ago
American Airlines
Tue, Sep. 9 - Sat, Sep. 20
JAX
Jacksonville
EYW
Key West
CA $426 Roundtrip, found 1 day ago
CA $426
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep. 9 from Jacksonville to Key West, returning Sat, Sep. 20, priced at CA $426 found 1 day ago
Delta
Wed, Oct. 22 - Tue, Nov. 4
DAB
Daytona Beach
MIA
Miami
CA $430 Roundtrip, found 3 days ago
CA $430
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct. 22 from Daytona Beach to Miami, returning Tue, Nov. 4, priced at CA $430 found 3 days ago

Find the cheapest month to fly from Jacksonville (JAX) to Key West (EYW)

September is typically the cheapest month to fly

From CA $343 - CA $654 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.