Cheap flights from Seattle to Florida Keys

View AU$182 flight on Wed, 27 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.

Hawaiian Airlines
Mon, 8 Sep. - Thu, 25 Sep.
SEA
Seattle
MIA
Miami
AU$301 Return, found 22 hours ago
AU$301
Return
found 22 hours ago
Select Hawaiian Airlines flight, departing Mon, 8 Sep. from Seattle to Miami, returning Thu, 25 Sep., priced at AU$301 found 22 hours ago
Alaska Airlines
Fri, 12 Sep. - Tue, 16 Sep.
SEA
Seattle
MIA
Miami
AU$332 Return, found 22 hours ago
AU$332
Return
found 22 hours ago
Select Alaska Airlines flight, departing Fri, 12 Sep. from Seattle to Miami, returning Tue, 16 Sep., priced at AU$332 found 22 hours ago
Alaska Airlines
Sun, 17 Aug. - Tue, 26 Aug.
SEA
Seattle
MIA
Miami
AU$361 Return, found 2 days ago
AU$361
Return
found 2 days ago
Select Alaska Airlines flight, departing Sun, 17 Aug. from Seattle to Miami, returning Tue, 26 Aug., priced at AU$361 found 2 days ago
American Airlines
Tue, 19 Aug. - Tue, 26 Aug.
SEA
Seattle
MIA
Miami
AU$362 Return, found 4 days ago
AU$362
Return
found 4 days ago
Select American Airlines flight, departing Tue, 19 Aug. from Seattle to Miami, returning Tue, 26 Aug., priced at AU$362 found 4 days ago
Delta
Tue, 5 Aug. - Tue, 12 Aug.
SEA
Seattle
MIA
Miami
AU$362 Return, found 3 days ago
AU$362
Return
found 3 days ago
Select Delta flight, departing Tue, 5 Aug. from Seattle to Miami, returning Tue, 12 Aug., priced at AU$362 found 3 days ago
United
Mon, 27 Oct. - Fri, 31 Oct.
SEA
Seattle
MIA
Miami
AU$544 Return, found 3 days ago
AU$544
Return
found 3 days ago
Select United flight, departing Mon, 27 Oct. from Seattle to Miami, returning Fri, 31 Oct., priced at AU$544 found 3 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$423 - AU$1,035 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.