Cheap flights from Washington to Fleming Key

View AU$99 flight on Wed, 13 Aug. 2025Opens in a new window

Popular airlines from Washington to Fleming Key

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Cheap Flights from Washington (WAS) to Fleming Key (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. - Wed, 13 Aug.
BWI
Baltimore
MIA
Miami
AU$199 Return, found 6 days ago
AU$199
Return
found 6 days ago
Select American Airlines flight, departing Mon, 11 Aug. from Baltimore to Miami, returning Wed, 13 Aug., priced at AU$199 found 6 days ago
American Airlines
Thu, 21 Aug. - Thu, 28 Aug.
BWI
Baltimore
MIA
Miami
AU$210 Return, found 4 hours ago
AU$210
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 21 Aug. from Baltimore to Miami, returning Thu, 28 Aug., priced at AU$210 found 4 hours ago
American Airlines
Sun, 9 Nov. - Wed, 19 Nov.
BWI
Baltimore
MIA
Miami
AU$211 Return, found 6 days ago
AU$211
Return
found 6 days ago
Select American Airlines flight, departing Sun, 9 Nov. from Baltimore to Miami, returning Wed, 19 Nov., priced at AU$211 found 6 days ago
Delta
Wed, 20 Aug. - Wed, 27 Aug.
DCA
Washington
MIA
Miami
AU$240 Return, found 1 day ago
AU$240
Return
found 1 day ago
Select Delta flight, departing Wed, 20 Aug. from Washington to Miami, returning Wed, 27 Aug., priced at AU$240 found 1 day ago
American Airlines
Wed, 20 Aug. - Wed, 27 Aug.
DCA
Washington
MIA
Miami
AU$240 Return, found 1 day ago
AU$240
Return
found 1 day ago
Select American Airlines flight, departing Wed, 20 Aug. from Washington to Miami, returning Wed, 27 Aug., priced at AU$240 found 1 day ago
United
Sun, 9 Nov. - Wed, 19 Nov.
IAD
Washington
MIA
Miami
AU$369 Return, found 6 days ago
AU$369
Return
found 6 days ago
Select United flight, departing Sun, 9 Nov. from Washington to Miami, returning Wed, 19 Nov., priced at AU$369 found 6 days ago

Find the cheapest month to fly from Washington (WAS) to Miami (MIA)

September is typically the cheapest month to fly

From AU$79 - AU$259 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.