Flights from Houston to Key Largo

Cheapest flights from Houston

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, Jun 15 - Thu, Jun 19

IAH

George Bush Intercontinental

MIA

Miami Intl.

$98 Roundtrip, found 1 hour ago

$98

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sun, Jun 15 from George Bush Intercontinental to Miami Intl., returning Thu, Jun 19, priced at $98 found 1 hour ago

Sun, May 18 - Thu, May 22

IAH

George Bush Intercontinental

MIA

Miami Intl.

$107 Roundtrip, found 1 day ago

$107

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 18 from George Bush Intercontinental to Miami Intl., returning Thu, May 22, priced at $107 found 1 day ago

Sat, Nov 1 - Tue, Nov 4

IAH

George Bush Intercontinental

MIA

Miami Intl.

$108 Roundtrip, found 17 hours ago

$108

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Sat, Nov 1 from George Bush Intercontinental to Miami Intl., returning Tue, Nov 4, priced at $108 found 17 hours ago

Tue, May 13 - Tue, May 20

IAH

George Bush Intercontinental

MIA

Miami Intl.

$113 Roundtrip, found 1 day ago

$113

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, May 13 from George Bush Intercontinental to Miami Intl., returning Tue, May 20, priced at $113 found 1 day ago

Sat, May 17 - Tue, May 20

IAH

George Bush Intercontinental

MIA

Miami Intl.

$115 Roundtrip, found 1 day ago

$115

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, May 17 from George Bush Intercontinental to Miami Intl., returning Tue, May 20, priced at $115 found 1 day ago

Sun, May 18 - Sun, May 25

IAH

George Bush Intercontinental

MIA

Miami Intl.

$117 Roundtrip, found 1 day ago

$117

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 18 from George Bush Intercontinental to Miami Intl., returning Sun, May 25, priced at $117 found 1 day ago

Thu, Jul 24 - Thu, Jul 31

IAH

George Bush Intercontinental

MIA

Miami Intl.

$118 Roundtrip, found 2 days ago

$118

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Jul 24 from George Bush Intercontinental to Miami Intl., returning Thu, Jul 31, priced at $118 found 2 days ago

Thu, Jun 12 - Thu, Jun 19

IAH

George Bush Intercontinental

MIA

Miami Intl.

$123 Roundtrip, found 1 hour ago

$123

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Thu, Jun 12 from George Bush Intercontinental to Miami Intl., returning Thu, Jun 19, priced at $123 found 1 hour ago

Sat, May 17 - Thu, May 22

IAH

George Bush Intercontinental

MIA

Miami Intl.

$125 Roundtrip, found 1 day ago

$125

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, May 17 from George Bush Intercontinental to Miami Intl., returning Thu, May 22, priced at $125 found 1 day ago

Thu, Jul 24 - Thu, Jul 31

IAH

George Bush Intercontinental

MIA

Miami Intl.

$128 Roundtrip, found 2 days ago

$128

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 24 from George Bush Intercontinental to Miami Intl., returning Thu, Jul 31, priced at $128 found 2 days ago

Tue, May 13 - Sat, May 17

IAH

George Bush Intercontinental

MIA

Miami Intl.

$130 Roundtrip, found 1 day ago

$130

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, May 13 from George Bush Intercontinental to Miami Intl., returning Sat, May 17, priced at $130 found 1 day ago

Thu, May 15 - Fri, May 16

IAH

George Bush Intercontinental

MIA

Miami Intl.

$132 Roundtrip, found 1 day ago

$132

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from George Bush Intercontinental to Miami Intl., returning Fri, May 16, priced at $132 found 1 day ago

Thu, May 15 - Sun, May 25

IAH

George Bush Intercontinental

MIA

Miami Intl.

$133 Roundtrip, found 1 day ago

$133

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from George Bush Intercontinental to Miami Intl., returning Sun, May 25, priced at $133 found 1 day ago

Sun, Nov 2 - Tue, Nov 4

IAH

George Bush Intercontinental

MIA

Miami Intl.

$138 Roundtrip, found 17 hours ago

$138

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Sun, Nov 2 from George Bush Intercontinental to Miami Intl., returning Tue, Nov 4, priced at $138 found 17 hours ago

Wed, Jul 16 - Thu, Jul 24

IAH

George Bush Intercontinental

MIA

Miami Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jul 16 from George Bush Intercontinental to Miami Intl., returning Thu, Jul 24, priced at $197 found 1 day ago

Sat, Jul 26 - Sat, Aug 2

IAH

George Bush Intercontinental

MIA

Miami Intl.

$197 Roundtrip, found 2 days ago

$197

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jul 26 from George Bush Intercontinental to Miami Intl., returning Sat, Aug 2, priced at $197 found 2 days ago

Sat, Jul 26 - Sat, Aug 2

IAH

George Bush Intercontinental

MIA

Miami Intl.

$197 Roundtrip, found 2 days ago

$197

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Jul 26 from George Bush Intercontinental to Miami Intl., returning Sat, Aug 2, priced at $197 found 2 days ago

Sat, Jul 26 - Sat, Aug 2

HOU

William P. Hobby

MIA

Miami Intl.

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Jul 26 from William P. Hobby to Miami Intl., returning Sat, Aug 2, priced at $217 found 2 days ago

Wed, May 28 - Tue, Jun 3

IAH

George Bush Intercontinental

EYW

Key West Intl.

$225 Roundtrip, found 1 day ago

$225

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 28 from George Bush Intercontinental to Key West Intl., returning Tue, Jun 3, priced at $225 found 1 day ago

Fri, May 30 - Tue, Jun 3

HOU

William P. Hobby

EYW

Key West Intl.

$629 Roundtrip, found 1 day ago

$629

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, May 30 from William P. Hobby to Key West Intl., returning Tue, Jun 3, priced at $629 found 1 day ago