What airlines fly to Florida Keys?

American Airlines, United Airlines and Delta 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 60% 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?

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

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

As of July 2026, there are 188 flights per week flying from Houston to Florida Keys. The most common day of the week flights depart is Wed, with 16% 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 July 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.

$77 Cheap Flights from Houston to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:38 pm - 4:22 pm

IAH

MIA

2h 44mnonstop

6:45 am - 8:45 am

MIA

IAH

3h 00mnonstop

$111Frontier

Sat, Sep 5 - Thu, Sep 10

12:38 pm - 4:22 pm

IAH

MIA

2h 44mnonstop

6:50 am - 8:44 am

MIA

IAH

2h 54mnonstop

$112Frontier

Sat, Aug 22 - Mon, Aug 31

8:37 pm - 12:21 am

IAH

MIA

2h 44mnonstop

8:00 am - 9:54 am

MIA

IAH

2h 54mnonstop

$113Frontier

Mon, Aug 17 - Wed, Aug 19

8:37 pm - 12:21 am

IAH

MIA

2h 44mnonstop

6:30 am - 8:24 am

MIA

IAH

2h 54mnonstop

$114Frontier

Mon, Aug 10 - Thu, Aug 13

6:30 pm - 9:55 pm

HOU

MIA

2h 25mnonstop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$169Southwest

Mon, Aug 17 - Thu, Aug 20

8:55 am - 3:00 pm

HOU

MIA

5h 05m

1 stop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$179Southwest

Sat, Aug 22 - Mon, Aug 24

10:50 am - 4:57 pm

HOU

MIA

5h 07m

1 stop

6:26 pm - 10:39 pm

MIA

HOU

5h 13m

1 stop

$197Delta

Sun, Sep 6 - Fri, Sep 11

8:35 am - 12:34 pm

IAH

EYW

26h 59m

2 stops

10:59 am - 9:00 pm

EYW

IAH

11h 01m

1 stop

$224Multiple Airlines

Mon, Sep 7 - Thu, Sep 10

7:23 pm - 11:27 am

IAH

EYW

15h 04m

1 stop

12:07 pm - 6:25 pm

EYW

IAH

7h 18m

1 stop

$226Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

6:00 am - 1:00 pm

HOU

EYW

6h 00m

1 stop

4:00 pm - 9:23 pm

EYW

HOU

6h 23m

1 stop

$281Delta

Tue, Aug 25 - Sat, Aug 29

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Frontier flights from Houston to Florida Keys

Our best Frontier deals on Houston to Florida Keys flight tickets

Frontier

Sep 5

IAH12:38 pmHouston George Bush Intcntl

2h 44m

MIA4:22 pmMiami

Sep 10

MIA6:45 amMiami

3h 00m

IAH8:45 amHouston George Bush Intcntl

$111

Frontier

Aug 22

IAH12:38 pmHouston George Bush Intcntl

2h 44m

MIA4:22 pmMiami

Aug 31

MIA6:50 amMiami

2h 54m

IAH8:44 amHouston George Bush Intcntl

$112

Frontier

Aug 17

IAH8:37 pmHouston George Bush Intcntl

2h 44m

MIA12:21 amMiami

Aug 19

MIA8:00 amMiami

2h 54m

IAH9:54 amHouston George Bush Intcntl

$113

Southwest flights from Houston to Florida Keys

Our best Southwest deals on Houston to Florida Keys flight tickets

Southwest

Aug 17

HOU6:30 pmHouston Hobby

2h 25m

MIA9:55 pmMiami

Aug 20

MIA5:45 amMiami

2h 35m

HOU7:20 amHouston Hobby

$169

Southwest

Aug 22

HOU8:55 amHouston Hobby

5h 05m

1 stop

MIA3:00 pmMiami

Aug 24

MIA5:45 amMiami

2h 35m

HOU7:20 amHouston Hobby

$179

Southwest

Aug 22

HOU6:00 amHouston Hobby

8h 00m

2 stops

MIA3:00 pmMiami

Aug 24

MIA5:45 amMiami

2h 35m

HOU7:20 amHouston Hobby

$184

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 9/5

12:38 pm-4:22 pm

Nonstop2h 44m

Miami

Thu 9/10

6:45 am-8:45 am

Nonstop3h 00m

$111

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 8/22

12:38 pm-4:22 pm

Nonstop2h 44m

Miami

Mon 8/31

6:50 am-8:44 am

Nonstop2h 54m

$112

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 8/17

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Wed 8/19

8:00 am-9:54 am

Nonstop2h 54m

$113

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 8/10

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Thu 8/13

6:30 am-8:24 am

Nonstop2h 54m

$114

Quickest round-trip

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 8/17

6:30 pm-9:55 pm

Nonstop2h 25m

Miami

Thu 8/20

5:45 am-7:20 am

Nonstop2h 35m

$169

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sat 8/22

8:55 am-3:00 pm

1 stop5h 05m

Miami

Mon 8/24

5:45 am-7:20 am

Nonstop2h 35m

$179

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sun 9/6

10:50 am-4:57 pm

1 stop5h 07m

Miami

Fri 9/11

6:26 pm-10:39 pm

1 stop5h 13m

$197

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 9/7

8:35 am-12:34 pm

2 stops26h 59m

Key West

Thu 9/10

10:59 am-9:00 pm

1 stop11h 01m

$224

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 8/13

7:23 pm-11:27 am

1 stop15h 04m

Key West

Mon 8/17

12:07 pm-6:25 pm

1 stop7h 18m

$226

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 8/25

6:00 am-1:00 pm

1 stop6h 00m

Key West

Sat 8/29

4:00 pm-9:23 pm

1 stop6h 23m

$281

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 November is another great option to travel to Florida Keys, with average flight prices from Houston averaging around $175.

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 Monday when prices can be found for as low as $212. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $368.

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 $202. 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 $592.

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 from Houston 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 $206 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 $153 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 25m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Houston to Florida Keys takes 2h 25m

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

Frequently asked questions about flying from Houston to Florida Keys

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 July 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
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 10,020 reviews	Search United Airlines flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.1 11,834 reviews	Search American Airlines flights
Delta	PriceFrom $253	Free Cancellation	Rating 7.8 8,476 reviews	Search Delta 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.