Cheap flights from Washington to Florida Keys

View AU$106 flight on Wed, 15 Oct. 2025Opens in a new window

Popular airlines from Washington 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 Washington (WAS) 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.

American Airlines
Mon, 11 Aug. - Thu, 28 Aug.
BWI
Baltimore
MIA
Miami
AU$206 Return, found 4 days ago
AU$206
Return
found 4 days ago
Select American Airlines flight, departing Mon, 11 Aug. from Baltimore to Miami, returning Thu, 28 Aug., priced at AU$206 found 4 days ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
BWI
Baltimore
MIA
Miami
AU$211 Return, found 5 days ago
AU$211
Return
found 5 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Baltimore to Miami, returning Mon, 8 Sep., priced at AU$211 found 5 days ago
American Airlines
Fri, 24 Oct. - Wed, 29 Oct.
BWI
Baltimore
MIA
Miami
AU$226 Return, found 1 day ago
AU$226
Return
found 1 day ago
Select American Airlines flight, departing Fri, 24 Oct. from Baltimore to Miami, returning Wed, 29 Oct., priced at AU$226 found 1 day ago
Delta
Mon, 18 Aug. - Thu, 28 Aug.
DCA
Washington
MIA
Miami
AU$249 Return, found 6 days ago
AU$249
Return
found 6 days ago
Select Delta flight, departing Mon, 18 Aug. from Washington to Miami, returning Thu, 28 Aug., priced at AU$249 found 6 days ago
United
Tue, 2 Sep. - Tue, 9 Sep.
DCA
Washington
MIA
Miami
AU$313 Return, found 4 days ago
AU$313
Return
found 4 days ago
Select United flight, departing Tue, 2 Sep. from Washington to Miami, returning Tue, 9 Sep., priced at AU$313 found 4 days ago
Alaska Airlines
Sun, 3 Aug. - Thu, 7 Aug.
IAD
Washington
MIA
Miami
AU$9,298 Return, found 5 days ago
AU$9,298
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 3 Aug. from Washington to Miami, returning Thu, 7 Aug., priced at AU$9,298 found 5 days ago

Find the cheapest month to fly from Washington (WAS) to Key West (EYW)

March is typically the cheapest month to fly

From AU$275 - AU$805 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.