Flights from Boston to Key West

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.

Tue, Jun 10 - Mon, Jun 16

BOS

Logan Intl.

EYW

Key West Intl.

$247 Roundtrip, found 2 days ago

$247

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jun 10 from Logan Intl. to Key West Intl., returning Mon, Jun 16, priced at $247 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$252 Roundtrip, found 2 days ago

$252

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $252 found 2 days ago

Sun, Jun 15 - Mon, Jun 16

BOS

Logan Intl.

EYW

Key West Intl.

$267 Roundtrip, found 2 days ago

$267

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Jun 15 from Logan Intl. to Key West Intl., returning Mon, Jun 16, priced at $267 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$282 Roundtrip, found 2 days ago

$282

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $282 found 2 days ago

Thu, Jun 12 - Mon, Jun 16

BOS

Logan Intl.

EYW

Key West Intl.

$292 Roundtrip, found 2 days ago

$292

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Jun 12 from Logan Intl. to Key West Intl., returning Mon, Jun 16, priced at $292 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$293 Roundtrip, found 2 days ago

$293

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $293 found 2 days ago

Sun, Jun 15 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$302 Roundtrip, found 2 days ago

$302

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Jun 15 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $302 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$307 Roundtrip, found 2 days ago

$307

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $307 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$320 Roundtrip, found 2 days ago

$320

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $320 found 2 days ago

Fri, Jun 13 - Thu, Jun 19

BOS

Logan Intl.

EYW

Key West Intl.

$323 Roundtrip, found 2 days ago

$323

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Thu, Jun 19, priced at $323 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$325 Roundtrip, found 2 days ago

$325

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $325 found 2 days ago

Sat, Jun 14 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$327 Roundtrip, found 2 days ago

$327

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Jun 14 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $327 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$330 Roundtrip, found 2 days ago

$330

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $330 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$332 Roundtrip, found 2 days ago

$332

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $332 found 2 days ago

Thu, Jun 12 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$337 Roundtrip, found 2 days ago

$337

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Jun 12 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $337 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$340 Roundtrip, found 2 days ago

$340

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $340 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$344 Roundtrip, found 2 days ago

$344

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $344 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$344 Roundtrip, found 2 days ago

$344

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $344 found 2 days ago

Fri, Jun 13 - Tue, Jun 17

BOS

Logan Intl.

EYW

Key West Intl.

$347 Roundtrip, found 2 days ago

$347

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jun 13 from Logan Intl. to Key West Intl., returning Tue, Jun 17, priced at $347 found 2 days ago

Wed, Jun 11 - Sat, Jun 14

BOS

Logan Intl.

EYW

Key West Intl.

$384 Roundtrip, found 2 days ago

$384

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Wed, Jun 11 from Logan Intl. to Key West Intl., returning Sat, Jun 14, priced at $384 found 2 days ago