Flights from Baltimore to Key Largo

Cheapest flights from Baltimore

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.

Thu, Sep 18 - Sat, Oct 4

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$94 Roundtrip, found 4 days ago

$94

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Oct 4, priced at $94 found 4 days ago

Thu, Sep 18 - Mon, Sep 29

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$100 Roundtrip, found 4 days ago

$100

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Mon, Sep 29, priced at $100 found 4 days ago

Sun, Sep 21 - Sat, Oct 4

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$101 Roundtrip, found 4 days ago

$101

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Sep 21 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Oct 4, priced at $101 found 4 days ago

Thu, Sep 4 - Thu, Sep 11

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$106 Roundtrip, found 2 days ago

$106

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Thu, Sep 11, priced at $106 found 2 days ago

Sun, Nov 9 - Thu, Nov 13

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$107 Roundtrip, found 17 hours ago

$107

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sun, Nov 9 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Thu, Nov 13, priced at $107 found 17 hours ago

Mon, Oct 27 - Mon, Nov 3

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$108 Roundtrip, found 11 hours ago

$108

Roundtrip

found 11 hours ago

Select Spirit Airlines flight, departing Mon, Oct 27 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Mon, Nov 3, priced at $108 found 11 hours ago

Thu, Sep 18 - Fri, Oct 3

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$110 Roundtrip, found 4 days ago

$110

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, Oct 3, priced at $110 found 4 days ago

Fri, Sep 5 - Sat, Sep 13

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$112 Roundtrip, found 2 days ago

$112

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Sep 13, priced at $112 found 2 days ago

Mon, Oct 27 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$113 Roundtrip, found 11 hours ago

$113

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Thu, Oct 30, priced at $113 found 11 hours ago

Mon, Nov 3 - Sat, Nov 8

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$114 Roundtrip, found 17 hours ago

$114

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Mon, Nov 3 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Nov 8, priced at $114 found 17 hours ago

Thu, Sep 4 - Fri, Sep 12

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$116 Roundtrip, found 2 days ago

$116

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, Sep 12, priced at $116 found 2 days ago

Sat, Sep 6 - Fri, Sep 12

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$117 Roundtrip, found 2 days ago

$117

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Sep 6 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, Sep 12, priced at $117 found 2 days ago

Mon, Oct 27 - Fri, Oct 31

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$118 Roundtrip, found 11 hours ago

$118

Roundtrip

found 11 hours ago

Select Spirit Airlines flight, departing Mon, Oct 27 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Fri, Oct 31, priced at $118 found 11 hours ago

Fri, Sep 5 - Sat, Sep 13

BWI

Baltimore Washington Intl. Thurgood Marshall

MIA

Miami Intl.

$122 Roundtrip, found 2 days ago

$122

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to Miami Intl., returning Sat, Sep 13, priced at $122 found 2 days ago

Wed, Oct 29 - Tue, Nov 11

DCA

Ronald Reagan Washington National

MIA

Miami Intl.

$147 Roundtrip, found 3 days ago

$147

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Oct 29 from Ronald Reagan Washington National to Miami Intl., returning Tue, Nov 11, priced at $147 found 3 days ago

Sat, Nov 1 - Sun, Nov 9

DCA

Ronald Reagan Washington National

MIA

Miami Intl.

$190 Roundtrip, found 3 days ago

$190

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Nov 1 from Ronald Reagan Washington National to Miami Intl., returning Sun, Nov 9, priced at $190 found 3 days ago

Tue, Oct 28 - Tue, Nov 4

DCA

Ronald Reagan Washington National

EYW

Key West Intl.

$249 Roundtrip, found 3 days ago

$249

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Oct 28 from Ronald Reagan Washington National to Key West Intl., returning Tue, Nov 4, priced at $249 found 3 days ago

Tue, Nov 4 - Thu, Nov 13

BWI

Baltimore Washington Intl. Thurgood Marshall

EYW

Key West Intl.

$259 Roundtrip, found 6 days ago

$259

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Nov 4 from Baltimore Washington Intl. Thurgood Marshall to Key West Intl., returning Thu, Nov 13, priced at $259 found 6 days ago

Sat, Nov 1 - Sun, Nov 9

DCA

Ronald Reagan Washington National

MIA

Miami Intl.

$302 Roundtrip, found 3 days ago

$302

Roundtrip

found 3 days ago

Select United flight, departing Sat, Nov 1 from Ronald Reagan Washington National to Miami Intl., returning Sun, Nov 9, priced at $302 found 3 days ago

Thu, Oct 30 - Thu, Nov 6

DCA

Ronald Reagan Washington National

EYW

Key West Intl.

$338 Roundtrip, found 3 days ago

$338

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Thu, Oct 30 from Ronald Reagan Washington National to Key West Intl., returning Thu, Nov 6, priced at $338 found 3 days ago