Cheap flights from Seattle to Florida Keys

View AU$181 flight on Wed, 20 Aug. 2025Opens in a new window

Popular airlines from Seattle to Florida Keys

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to Florida Keys (MIA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 18 Aug. - Wed, 27 Aug.
SEA
Seattle
MIA
Miami
AU$302 Return, found 2 days ago
AU$302
Return
found 2 days ago
Select Delta flight, departing Mon, 18 Aug. from Seattle to Miami, returning Wed, 27 Aug., priced at AU$302 found 2 days ago
Delta
Wed, 20 Aug. - Wed, 27 Aug.
SEA
Seattle
MIA
Miami
AU$303 Return, found 1 day ago
AU$303
Return
found 1 day ago
Select Delta flight, departing Wed, 20 Aug. from Seattle to Miami, returning Wed, 27 Aug., priced at AU$303 found 1 day ago
American Airlines
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
MIA
Miami
AU$305 Return, found 5 hours ago
AU$305
Return
found 5 hours ago
Select American Airlines flight, departing Tue, 2 Sep. from Seattle to Miami, returning Tue, 9 Sep., priced at AU$305 found 5 hours ago
Alaska Airlines
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
MIA
Miami
AU$305 Return, found 5 hours ago
AU$305
Return
found 5 hours ago
Select Alaska Airlines flight, departing Tue, 2 Sep. from Seattle to Miami, returning Tue, 9 Sep., priced at AU$305 found 5 hours ago
Alaska Airlines
Thu, 2 Oct. - Thu, 23 Oct.
SEA
Seattle
MIA
Miami
AU$332 Return, found 2 days ago
AU$332
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 2 Oct. from Seattle to Miami, returning Thu, 23 Oct., priced at AU$332 found 2 days ago
United
Mon, 18 Aug. - Wed, 27 Aug.
SEA
Seattle
MIA
Miami
AU$455 Return, found 2 days ago
AU$455
Return
found 2 days ago
Select United flight, departing Mon, 18 Aug. from Seattle to Miami, returning Wed, 27 Aug., priced at AU$455 found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Key West (EYW)

January is typically the cheapest month to fly

From AU$427 - AU$1,057 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.