What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from Houston according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Florida Keys?

Spirit Airlines, Southwest, and Delta are the most popular carriers operating from Houston to Florida Keys

How many flights depart from Houston to Florida Keys on average per day?

As of February 2026, 32 flights take off from Houston and land in Florida Keys each day. The most common flight departure time for this route is 12:00PM, with 100% of daily flights taking off in the afternoon.

How many flights depart from Houston to Florida Keys on average per week?

As of February 2026, there are 225 flights per week flying from Houston to Florida Keys. The most common day of the week flights depart is Sat, with 17% of flights taking off on this day.

When did momondo last update prices for flights from Houston to Florida Keys?

Prices for flights from Houston to Florida Keys were last updated today.

How many operators does momondo search for flights from Houston to Florida Keys?

As of February 2026, there are 6 operators available to choose from for flights from Houston to Florida Keys.

How old do you have to be to fly from Houston to Florida Keys?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$40 Cheap Flights from Houston to Florida Keys in 2026

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Find the cheapest flights from Houston to Florida Keys

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:24 pm - 8:44 pm

IAH

MIA

2h 20mnonstop

4:09 pm - 6:00 pm

MIA

IAH

2h 51mnonstop

$80Spirit Airlines

Tue, Apr 7 - Wed, Apr 15

5:24 pm - 8:44 pm

IAH

MIA

2h 20mnonstop

4:09 pm - 6:00 pm

MIA

IAH

2h 51mnonstop

$81Spirit Airlines

Wed, Apr 8 - Wed, Apr 15

2:39 pm - 6:08 pm

IAH

MIA

2h 29mnonstop

11:34 am - 1:39 pm

MIA

IAH

3h 05mnonstop

$87Frontier

Fri, May 8 - Mon, May 11

9:36 pm - 1:05 am

IAH

MIA

2h 29mnonstop

6:35 pm - 8:55 pm

MIA

IAH

3h 20mnonstop

$88Frontier

Sun, Apr 26 - Sun, May 3

3:05 pm - 6:20 pm

HOU

MIA

2h 15mnonstop

6:15 am - 8:05 am

MIA

HOU

2h 50mnonstop

$157Southwest

Tue, Apr 14 - Wed, Apr 29

3:05 pm - 6:20 pm

HOU

MIA

2h 15mnonstop

6:15 am - 8:05 am

MIA

HOU

2h 50mnonstop

$173Southwest

Tue, Apr 7 - Tue, Apr 14

10:53 am - 6:35 pm

HOU

MIA

6h 42m

1 stop

6:00 am - 9:58 am

MIA

HOU

4h 58m

1 stop

$197Delta

Tue, Apr 14 - Wed, Apr 29

10:53 am - 5:23 pm

HOU

EYW

5h 30m

1 stop

6:19 pm - 10:26 pm

EYW

HOU

5h 07m

1 stop

$359Delta

Wed, May 6 - Sat, May 9

9:57 am - 5:02 pm

HOU

EYW

6h 05m

1 stop

2:29 pm - 7:51 pm

EYW

HOU

6h 22m

1 stop

$393American Airlines

Sat, Apr 25 - Wed, Apr 29

12:42 pm - 10:58 pm

HOU

EYW

9h 16m

2 stops

2:29 pm - 7:51 pm

EYW

HOU

6h 22m

1 stop

$398American Airlines

Sat, Apr 25 - Wed, Apr 29

Spirit Airlines flights from Houston to Florida Keys

Our best Spirit Airlines deals on Houston to Florida Keys flight tickets

Spirit Airlines

Apr 7

IAH5:24 pmHouston George Bush Intcntl

2h 20m

MIA8:44 pmMiami

Apr 15

MIA4:09 pmMiami

2h 51m

IAH6:00 pmHouston George Bush Intcntl

$80

Spirit Airlines

Apr 8

IAH5:24 pmHouston George Bush Intcntl

2h 20m

MIA8:44 pmMiami

Apr 15

MIA4:09 pmMiami

2h 51m

IAH6:00 pmHouston George Bush Intcntl

$81

Spirit Airlines

Apr 18

IAH5:05 amHouston George Bush Intcntl

6h 08m

1 stop

MIA12:13 pmMiami

Apr 21

MIA4:09 pmMiami

2h 51m

IAH6:00 pmHouston George Bush Intcntl

$93

Frontier flights from Houston to Florida Keys

Our best Frontier deals on Houston to Florida Keys flight tickets

Frontier

May 8

IAH2:39 pmHouston George Bush Intcntl

2h 29m

MIA6:08 pmMiami

May 11

MIA11:34 amMiami

3h 05m

IAH1:39 pmHouston George Bush Intcntl

$87

Frontier

Feb 28

IAH6:25 pmHouston George Bush Intcntl

2h 34m

MIA9:59 pmMiami

Mar 8

MIA11:34 amMiami

3h 20m

IAH1:54 pmHouston George Bush Intcntl

$88

Frontier

Mar 19

IAH2:39 pmHouston George Bush Intcntl

2h 29m

MIA6:08 pmMiami

Mar 26

MIA11:34 amMiami

3h 20m

IAH1:54 pmHouston George Bush Intcntl

$97

Fly from

Fly to

Route

Depart

Return

Price

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 4/7

5:24 pm-8:44 pm

Nonstop2h 20m

Miami

Wed 4/15

4:09 pm-6:00 pm

Nonstop2h 51m

$80

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 4/8

5:24 pm-8:44 pm

Nonstop2h 20m

Miami

Wed 4/15

4:09 pm-6:00 pm

Nonstop2h 51m

$81

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 5/8

2:39 pm-6:08 pm

Nonstop2h 29m

Miami

Mon 5/11

11:34 am-1:39 pm

Nonstop3h 05m

$87

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 4/26

9:36 pm-1:05 am

Nonstop2h 29m

Miami

Sun 5/3

6:35 pm-8:55 pm

Nonstop3h 20m

$88

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 4/14

3:05 pm-6:20 pm

Nonstop2h 15m

Miami

Wed 4/29

6:15 am-8:05 am

Nonstop2h 50m

$157

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 4/7

3:05 pm-6:20 pm

Nonstop2h 15m

Miami

Tue 4/14

6:15 am-8:05 am

Nonstop2h 50m

$173

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 4/14

10:53 am-6:35 pm

1 stop6h 42m

Miami

Wed 4/29

6:00 am-9:58 am

1 stop4h 58m

$197

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 5/6

10:53 am-5:23 pm

1 stop5h 30m

Key West

Sat 5/9

6:19 pm-10:26 pm

1 stop5h 07m

$359

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 4/25

9:57 am-5:02 pm

1 stop6h 05m

Key West

Wed 4/29

2:29 pm-7:51 pm

1 stop6h 22m

$393

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 4/25

12:42 pm-10:58 pm

2 stops9h 16m

Key West

Wed 4/29

2:29 pm-7:51 pm

1 stop6h 22m

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Houston averaging around $142.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Houston to Florida Keys is on a Sunday when prices can be found for as low as $204. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $379.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from Houston to Florida Keys in the evening for as low as $165. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $494.

What is the cheapest Houston to Florida Keys flight route?

Fly from Houston George Bush Intcntl to Key West for the best Houston - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $182 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Houston for as low as $133 on momondo.

What cabin class options are available on Houston to Florida Keys flights?

There are 2 cabin classes available to choose from on Houston to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Florida Keys

Fastest flight time	2h 20m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Houston to Florida Keys takes 2h 20m

Direct flights go from Houston to Florida Keys every day.

There are 3 airports in Florida Keys. From Houston there are direct flights to Miami (MIA).

Search flight deals

When did momondo last update prices for flights from Houston to Florida Keys?
Prices for flights from Houston to Florida Keys were last updated today.
How many operators does momondo search for flights from Houston to Florida Keys?
As of February 2026, there are 6 operators available to choose from for flights from Houston to Florida Keys.
How old do you have to be to fly from Houston to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Florida Keys

Compare and see reviews for airlines that fly from Houston to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $220	Free Cancellation	Rating 7.9 8,236 reviews	Search Delta flights
American Airlines	PriceFrom $233	Free Cancellation	Rating 7.2 11,339 reviews	Search American Airlines flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,342 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Florida Keys?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Florida Keys. momondo saves you time and could save you money on your trip.

Can I find flights from Houston to Florida Keys with flexible booking policies on momondo?

Flights from Houston to Florida Keys with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Florida Keys right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Florida Keys from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.