Flights from Boston to Florida Keys

Cheapest flights from Boston

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 17 - Wed, Aug 20

BOS

Logan Intl.

MIA

Miami Intl.

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sun, Aug 17 from Logan Intl. to Miami Intl., returning Wed, Aug 20, priced at $159 found 6 days ago

Mon, Aug 18 - Tue, Aug 26

BOS

Logan Intl.

MIA

Miami Intl.

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select Delta flight, departing Mon, Aug 18 from Logan Intl. to Miami Intl., returning Tue, Aug 26, priced at $159 found 6 days ago

Thu, Aug 14 - Wed, Aug 20

BOS

Logan Intl.

MIA

Miami Intl.

$173 Roundtrip, found 6 days ago

$173

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Thu, Aug 14 from Logan Intl. to Miami Intl., returning Wed, Aug 20, priced at $173 found 6 days ago

Mon, May 12 - Tue, May 20

BOS

Logan Intl.

MIA

Miami Intl.

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Mon, May 12 from Logan Intl. to Miami Intl., returning Tue, May 20, priced at $177 found 1 day ago

Mon, May 12 - Sat, May 17

BOS

Logan Intl.

MIA

Miami Intl.

$187 Roundtrip, found 1 day ago

$187

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Mon, May 12 from Logan Intl. to Miami Intl., returning Sat, May 17, priced at $187 found 1 day ago

Sun, Aug 17 - Sun, Aug 24

BOS

Logan Intl.

MIA

Miami Intl.

$188 Roundtrip, found 6 days ago

$188

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sun, Aug 17 from Logan Intl. to Miami Intl., returning Sun, Aug 24, priced at $188 found 6 days ago

Sun, May 25 - Thu, May 29

PVD

T.F. Green

MIA

Miami Intl.

$193 Roundtrip, found 3 days ago

$193

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Sun, May 25 from T.F. Green to Miami Intl., returning Thu, May 29, priced at $193 found 3 days ago

Sun, May 11 - Thu, May 15

BOS

Logan Intl.

MIA

Miami Intl.

$198 Roundtrip, found 1 day ago

$198

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, May 11 from Logan Intl. to Miami Intl., returning Thu, May 15, priced at $198 found 1 day ago

Sun, May 25 - Wed, Jun 4

PVD

T.F. Green

MIA

Miami Intl.

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Sun, May 25 from T.F. Green to Miami Intl., returning Wed, Jun 4, priced at $201 found 3 days ago

Mon, May 12 - Fri, May 16

BOS

Logan Intl.

MIA

Miami Intl.

$202 Roundtrip, found 1 day ago

$202

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Mon, May 12 from Logan Intl. to Miami Intl., returning Fri, May 16, priced at $202 found 1 day ago

Sun, May 11 - Sun, May 18

BOS

Logan Intl.

MIA

Miami Intl.

$203 Roundtrip, found 1 day ago

$203

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, May 11 from Logan Intl. to Miami Intl., returning Sun, May 18, priced at $203 found 1 day ago

Wed, May 14 - Fri, May 16

BOS

Logan Intl.

MIA

Miami Intl.

$207 Roundtrip, found 1 day ago

$207

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 14 from Logan Intl. to Miami Intl., returning Fri, May 16, priced at $207 found 1 day ago

Sat, Aug 16 - Thu, Aug 21

BOS

Logan Intl.

MIA

Miami Intl.

$208 Roundtrip, found 6 days ago

$208

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Aug 16 from Logan Intl. to Miami Intl., returning Thu, Aug 21, priced at $208 found 6 days ago

Tue, Aug 19 - Mon, Aug 25

BOS

Logan Intl.

MIA

Miami Intl.

$210 Roundtrip, found 6 days ago

$210

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Aug 19 from Logan Intl. to Miami Intl., returning Mon, Aug 25, priced at $210 found 6 days ago

Thu, May 8 - Thu, May 15

BOS

Logan Intl.

MIA

Miami Intl.

$213 Roundtrip, found 1 day ago

$213

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, May 8 from Logan Intl. to Miami Intl., returning Thu, May 15, priced at $213 found 1 day ago

Wed, May 28 - Wed, Jun 4

PVD

T.F. Green

MIA

Miami Intl.

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, May 28 from T.F. Green to Miami Intl., returning Wed, Jun 4, priced at $217 found 3 days ago

Thu, May 8 - Sun, May 18

BOS

Logan Intl.

MIA

Miami Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, May 8 from Logan Intl. to Miami Intl., returning Sun, May 18, priced at $218 found 1 day ago

Wed, Aug 20 - Mon, Aug 25

BOS

Logan Intl.

MIA

Miami Intl.

$225 Roundtrip, found 6 days ago

$225

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Aug 20 from Logan Intl. to Miami Intl., returning Mon, Aug 25, priced at $225 found 6 days ago

Sat, May 10 - Wed, May 21

BOS

Logan Intl.

MIA

Miami Intl.

$273 Roundtrip, found 1 day ago

$273

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 10 from Logan Intl. to Miami Intl., returning Wed, May 21, priced at $273 found 1 day ago

Sat, May 24 - Sat, May 31

PVD

T.F. Green

MIA

Miami Intl.

$279 Roundtrip, found 3 days ago

$279

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, May 24 from T.F. Green to Miami Intl., returning Sat, May 31, priced at $279 found 3 days ago