Flights from Washington to Fleming Key

Cheapest flights from Washington

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 3 - Thu, Aug 7

IAD

Washington Dulles Intl.

MIA

Miami Intl.

$98 Roundtrip, found 20 hours ago

$98

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Washington Dulles Intl. to Miami Intl., returning Thu, Aug 7, priced at $98 found 20 hours ago

Wed, Jul 30 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$98 Roundtrip, found 20 hours ago

$98

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Thu, Aug 7, priced at $98 found 20 hours ago

Sun, Jun 15 - Wed, Jun 18

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$103 Roundtrip, found 1 day ago

$103

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 15 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Wed, Jun 18, priced at $103 found 1 day ago

Sun, Jul 13 - Sat, Jul 19

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$106 Roundtrip, found 23 hours ago

$106

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Jul 19, priced at $106 found 23 hours ago

Mon, Jun 16 - Wed, Jun 18

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$108 Roundtrip, found 1 day ago

$108

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Wed, Jun 18, priced at $108 found 1 day ago

Fri, May 9 - Thu, May 15

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$109 Roundtrip, found 6 days ago

$109

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, May 9 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Thu, May 15, priced at $109 found 6 days ago

Sat, Aug 2 - Thu, Aug 7

IAD

Washington Dulles Intl.

MIA

Miami Intl.

$114 Roundtrip, found 20 hours ago

$114

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, Aug 2 from Washington Dulles Intl. to Miami Intl., returning Thu, Aug 7, priced at $114 found 20 hours ago

Sun, Jul 27 - Wed, Jul 30

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$118 Roundtrip, found 2 days ago

$118

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Wed, Jul 30, priced at $118 found 2 days ago

Sun, May 11 - Fri, May 16

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$120 Roundtrip, found 2 days ago

$120

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, May 11 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, May 16, priced at $120 found 2 days ago

Fri, Aug 1 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$123 Roundtrip, found 20 hours ago

$123

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Thu, Aug 7, priced at $123 found 20 hours ago

Wed, Jun 18 - Fri, Jun 20

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$128 Roundtrip, found 1 day ago

$128

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, Jun 20, priced at $128 found 1 day ago

Fri, Jul 18 - Sat, Jul 19

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$131 Roundtrip, found 23 hours ago

$131

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Jul 19, priced at $131 found 23 hours ago

Sat, Jul 19 - Sat, Jul 26

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$132 Roundtrip, found 1 day ago

$132

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Jul 19 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Jul 26, priced at $132 found 1 day ago

Sun, Jul 27 - Sat, Aug 2

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$138 Roundtrip, found 2 days ago

$138

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Aug 2, priced at $138 found 2 days ago

Mon, Jul 28 - Fri, Aug 1

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$140 Roundtrip, found 2 days ago

$140

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, Aug 1, priced at $140 found 2 days ago

Sat, Jul 19 - Sat, Jul 26

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$141 Roundtrip, found 1 day ago

$141

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Jul 19 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Jul 26, priced at $141 found 1 day ago

Wed, Aug 20 - Sat, Aug 30

DCA

Ronald Reagan Washington National

MIA

Miami Intl.

$184 Roundtrip, found 3 days ago

$184

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Aug 20 from Ronald Reagan Washington National to Miami Intl., returning Sat, Aug 30, priced at $184 found 3 days ago

Sat, Aug 16 - Mon, Aug 25

DCA

Ronald Reagan Washington National

MIA

Miami Intl.

$197 Roundtrip, found 3 hours ago

$197

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Sat, Aug 16 from Ronald Reagan Washington National to Miami Intl., returning Mon, Aug 25, priced at $197 found 3 hours ago

Fri, May 9 - Tue, May 13

IAD

Washington Dulles Intl.

MIA

Miami Intl.

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select United flight, departing Fri, May 9 from Washington Dulles Intl. to Miami Intl., returning Tue, May 13, priced at $201 found 3 days ago

Fri, Aug 22 - Tue, Sep 2

DCA

Ronald Reagan Washington National

MIA

Miami Intl.

$262 Roundtrip, found 3 days ago

$262

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Fri, Aug 22 from Ronald Reagan Washington National to Miami Intl., returning Tue, Sep 2, priced at $262 found 3 days ago