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

As of June 2026, there are 172 flights per week flying from Houston to Florida Keys. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

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 61% 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?

United Airlines, Southwest, and Delta are the most popular carriers operating 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 June 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.

$69 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

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:42 pm - 11:14 pm

IAH

MIA

2h 32mnonstop

6:45 am - 8:45 am

MIA

IAH

3h 00mnonstop

$111Frontier

Thu, Oct 15 - Mon, Oct 26

8:37 pm - 12:31 am

IAH

MIA

2h 54mnonstop

6:30 am - 8:24 am

MIA

IAH

2h 54mnonstop

$113Frontier

Tue, Jul 21 - Thu, Jul 30

8:37 pm - 12:16 am

IAH

MIA

2h 39mnonstop

9:35 am - 11:34 am

MIA

IAH

2h 59mnonstop

$114Frontier

Sun, Sep 6 - Mon, Sep 7

7:25 pm - 10:55 pm

HOU

MIA

2h 30mnonstop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$197Southwest

Wed, Jul 8 - Tue, Jul 14

7:00 am - 1:05 pm

HOU

MIA

5h 05m

1 stop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$207Southwest

Wed, Jul 22 - Tue, Jul 28

10:50 am - 6:40 pm

HOU

MIA

6h 50m

1 stop

7:00 am - 12:16 pm

MIA

HOU

6h 16m

1 stop

$217Delta

Mon, Aug 10 - Thu, Aug 13

7:23 pm - 2:37 pm

IAH

EYW

18h 14m

1 stop

3:27 pm - 8:45 am

EYW

IAH

18h 18m

1 stop

$239Multiple Airlines

Thu, Jul 30 - Mon, Aug 3

7:23 pm - 2:37 pm

IAH

EYW

18h 14m

1 stop

3:27 pm - 10:03 am

EYW

IAH

19h 36m

2 stops

$242Multiple Airlines

Thu, Jul 30 - Mon, Aug 3

9:04 am - 4:18 pm

IAH

EYW

6h 14m

1 stop

7:03 pm - 11:59 pm

EYW

IAH

5h 56m

1 stop

$281American Airlines

Sat, Aug 15 - Tue, Aug 18

12:55 pm - 7:51 pm

HOU

EYW

5h 56m

1 stop

7:50 am - 12:10 pm

EYW

HOU

5h 20m

1 stop

$310Delta

Tue, Jul 14 - Tue, Jul 21

Frontier flights from Houston to Florida Keys

Our best Frontier deals on Houston to Florida Keys flight tickets

Frontier

Oct 15

IAH7:42 pmHouston George Bush Intcntl

2h 32m

MIA11:14 pmMiami

Oct 26

MIA6:45 amMiami

3h 00m

IAH8:45 amHouston George Bush Intcntl

$111

Frontier

Jul 21

IAH8:37 pmHouston George Bush Intcntl

2h 54m

MIA12:31 amMiami

Jul 30

MIA6:30 amMiami

2h 54m

IAH8:24 amHouston George Bush Intcntl

$113

Frontier

Sep 6

IAH8:37 pmHouston George Bush Intcntl

2h 39m

MIA12:16 amMiami

Sep 7

MIA9:35 amMiami

2h 59m

IAH11:34 amHouston George Bush Intcntl

$114

Southwest flights from Houston to Florida Keys

Our best Southwest deals on Houston to Florida Keys flight tickets

Southwest

Jul 8

HOU7:25 pmHouston Hobby

2h 30m

MIA10:55 pmMiami

Jul 14

MIA5:45 amMiami

2h 35m

HOU7:20 amHouston Hobby

$197

Southwest

Jul 22

HOU7:00 amHouston Hobby

5h 05m

1 stop

MIA1:05 pmMiami

Jul 28

MIA5:45 amMiami

2h 35m

HOU7:20 amHouston Hobby

$207

Southwest

Jun 27

HOU7:15 pmHouston Hobby

2h 25m

MIA10:40 pmMiami

Jul 2

MIA5:10 amMiami

2h 35m

HOU6:45 amHouston Hobby

$212

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 10/15

7:42 pm-11:14 pm

Nonstop2h 32m

Miami

Mon 10/26

6:45 am-8:45 am

Nonstop3h 00m

$111

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 7/21

8:37 pm-12:31 am

Nonstop2h 54m

Miami

Thu 7/30

6:30 am-8:24 am

Nonstop2h 54m

$113

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 9/6

8:37 pm-12:16 am

Nonstop2h 39m

Miami

Mon 9/7

9:35 am-11:34 am

Nonstop2h 59m

$114

Quickest round-trip

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 7/8

7:25 pm-10:55 pm

Nonstop2h 30m

Miami

Tue 7/14

5:45 am-7:20 am

Nonstop2h 35m

$197

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 7/22

7:00 am-1:05 pm

1 stop5h 05m

Miami

Tue 7/28

5:45 am-7:20 am

Nonstop2h 35m

$207

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 8/10

10:50 am-6:40 pm

1 stop6h 50m

Miami

Thu 8/13

7:00 am-12:16 pm

1 stop6h 16m

$217

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

7:23 pm-2:37 pm

1 stop18h 14m

Key West

Mon 8/3

3:27 pm-8:45 am

1 stop18h 18m

$239

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

7:23 pm-2:37 pm

1 stop18h 14m

Key West

Mon 8/3

3:27 pm-10:03 am

2 stops19h 36m

$242

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

9:04 am-4:18 pm

1 stop6h 14m

Key West

Tue 8/18

7:03 pm-11:59 pm

1 stop5h 56m

$281

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 7/14

12:55 pm-7:51 pm

1 stop5h 56m

Key West

Tue 7/21

7:50 am-12:10 pm

1 stop5h 20m

$310

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 $203.

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 $208. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $413.

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 $195. 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 $598.

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 $194 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 $143 on momondo.

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

There is only 1 cabin class 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 June 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 7.8 8,395 reviews	Search Delta flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,777 reviews	Search United Airlines flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.1 11,651 reviews	Search American 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.