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 59% 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.

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

As of September 2026, there are 131 flights per week flying from Houston to Florida Keys. The most common day of the week flights depart is Sun, with 21% of flights taking off on this day.

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

Southwest, Delta, and Frontier 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 September 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.

$65 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.

9:15 am - 12:50 pmIAH Houston George Bush Intcntl-MIA Miami

2h 35mnonstop

6:00 am - 8:20 amMIA Miami-IAH Houston George Bush Intcntl

3h 20mnonstop

$122Frontier

Fri, Dec 4 - Thu, Dec 17

2:32 pm - 6:06 pmIAH Houston George Bush Intcntl-MIA Miami

2h 34mnonstop

11:39 am - 1:47 pmMIA Miami-IAH Houston George Bush Intcntl

3h 08mnonstop

$122Frontier

Fri, Nov 6 - Mon, Nov 9

6:27 pm - 10:04 pmIAH Houston George Bush Intcntl-MIA Miami

2h 37mnonstop

3:35 pm - 5:37 pmMIA Miami-IAH Houston George Bush Intcntl

3h 02mnonstop

$169American Airlines

Sat, Nov 7 - Wed, Nov 11

1:20 pm - 4:55 pmIAH Houston George Bush Intcntl-MIA Miami

2h 35mnonstop

9:31 am - 11:29 amMIA Miami-IAH Houston George Bush Intcntl

2h 58mnonstop

$169American Airlines

Thu, Nov 12 - Tue, Nov 17

2:45 pm - 6:20 pmIAH Houston George Bush Intcntl-MIA Miami

2h 35mnonstop

8:45 am - 10:51 amMIA Miami-IAH Houston George Bush Intcntl

3h 06mnonstop

$169United Airlines

Thu, Nov 5 - Sat, Nov 7

6:50 pm - 10:34 pmIAH Houston George Bush Intcntl-MIA Miami

2h 44mnonstop

8:45 am - 10:37 amMIA Miami-IAH Houston George Bush Intcntl

2h 52mnonstop

$169United Airlines

Wed, Sep 23 - Mon, Sep 28

8:25 pm - 11:50 pmHOU Houston Hobby-MIA Miami

2h 25mnonstop

5:20 am - 7:05 amMIA Miami-HOU Houston Hobby

2h 45mnonstop

$169Southwest

Mon, Oct 5 - Thu, Oct 8

8:10 am - 4:30 pmHOU Houston Hobby-MIA Miami

7h 20m1 stop Austin Bergstrom

6:45 am - 8:20 amMIA Miami-HOU Houston Hobby

2h 35mnonstop

$179Southwest

Sat, Sep 26 - Tue, Sep 29

11:12 am - 5:14 pmHOU Houston Hobby-MIA Miami

5h 02m1 stop Atlanta Hartsfield-Jackson

5:50 pm - 11:03 pmMIA Miami-HOU Houston Hobby

6h 13m1 stop Atlanta Hartsfield-Jackson

$197Delta

Tue, Oct 6 - Thu, Oct 15

5:26 pm - 12:55 amHOU Houston Hobby-MIA Miami

6h 29m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:00 amMIA Miami-HOU Houston Hobby

5h 00m1 stop Atlanta Hartsfield-Jackson

$197Delta

Sat, Oct 3 - Mon, Oct 5

Cheap last minute flights

Enter your travel dates to find the best prices.

2:18 pm - 5:59 pmIAH Houston George Bush Intcntl-MIA Miami

2h 41mnonstop

5:15 am - 11:22 amMIA Miami-IAH Houston George Bush Intcntl

7h 07m1 stop Atlanta Hartsfield-Jackson

$123Frontier

Sun, Sep 13 - Mon, Oct 26

2:18 pm - 5:59 pmIAH Houston George Bush Intcntl-MIA Miami

2h 41mnonstop

5:32 am - 11:23 amMIA Miami-IAH Houston George Bush Intcntl

6h 51m1 stop Atlanta Hartsfield-Jackson

$127Frontier

Thu, Sep 10 - Mon, Sep 14

6:50 pm - 10:34 pmIAH Houston George Bush Intcntl-MIA Miami

2h 44mnonstop

12:50 pm - 2:56 pmMIA Miami-IAH Houston George Bush Intcntl

3h 06mnonstop

$328United Airlines

Sat, Sep 12 - Tue, Oct 27

12:11 pm - 3:55 pmIAH Houston George Bush Intcntl-MIA Miami

2h 44mnonstop

8:45 am - 10:37 amMIA Miami-IAH Houston George Bush Intcntl

2h 52mnonstop

$328United Airlines

Sat, Sep 12 - Wed, Oct 21

10:46 am - 2:24 pmIAH Houston George Bush Intcntl-MIA Miami

2h 38mnonstop

9:45 pm - 11:47 pmMIA Miami-IAH Houston George Bush Intcntl

3h 02mnonstop

$383American Airlines

Sat, Sep 12 - Tue, Oct 27

5:05 pm - 8:48 pmIAH Houston George Bush Intcntl-MIA Miami

2h 43mnonstop

2:10 pm - 3:57 pmMIA Miami-IAH Houston George Bush Intcntl

2h 47mnonstop

$385American Airlines

Wed, Sep 9 - Sat, Sep 12

6:25 pm - 9:55 pmHOU Houston Hobby-MIA Miami

2h 30mnonstop

5:45 am - 7:20 amMIA Miami-HOU Houston Hobby

2h 35mnonstop

$385Southwest

Wed, Sep 9 - Thu, Sep 10

6:25 pm - 9:55 pmHOU Houston Hobby-MIA Miami

2h 30mnonstop

6:25 pm - 10:45 pmMIA Miami-HOU Houston Hobby

5h 20m1 stop Nashville Intl

$395Southwest

Wed, Sep 9 - Thu, Sep 10

6:00 am - 1:05 pmHOU Houston Hobby-MIA Miami

6h 05m1 stop Atlanta Hartsfield-Jackson

6:26 pm - 10:39 pmMIA Miami-HOU Houston Hobby

5h 13m1 stop Atlanta Hartsfield-Jackson

$405Delta

Fri, Sep 11 - Fri, Sep 11

12:41 pm - 7:05 pmIAH Houston George Bush Intcntl-MIA Miami

5h 24m1 stop Atlanta Hartsfield-Jackson

6:04 am - 12:04 pmMIA Miami-IAH Houston George Bush Intcntl

7h 00m1 stop Atlanta Hartsfield-Jackson

$423Delta

Sat, Sep 12 - Sat, Oct 24

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Delta flights from Houston to Florida Keys

Our best Delta deals on Houston to Florida Keys flight tickets

Delta

Oct 6

HOU5:28 pmHouston Hobby

6h 25m

1 stop

MIA12:53 amMiami

Oct 15

MIA4:24 pmMiami

7h 39m

1 stop

HOU11:03 pmHouston Hobby

$197

Delta

Oct 23

HOU5:28 pmHouston Hobby

6h 25m

1 stop

MIA12:53 amMiami

Oct 31

MIA6:04 amMiami

5h 04m

1 stop

HOU10:08 amHouston Hobby

$204

Delta

Oct 3

HOU5:26 pmHouston Hobby

6h 29m

1 stop

MIA12:55 amMiami

Oct 10

MIA6:04 amMiami

17h 59m

1 stop

HOU11:03 pmHouston Hobby

$226

Frontier flights from Houston to Florida Keys

Our best Frontier deals on Houston to Florida Keys flight tickets

Frontier

Oct 6

IAH2:18 pmHouston George Bush Intcntl

2h 41m

MIA5:59 pmMiami

Oct 10

MIA5:10 amMiami

17h 59m

1 stop

IAH10:09 pmHouston George Bush Intcntl

$122

Frontier

Sep 13

IAH2:18 pmHouston George Bush Intcntl

2h 41m

MIA5:59 pmMiami

Oct 26

MIA5:15 amMiami

7h 07m

1 stop

IAH11:22 amHouston George Bush Intcntl

$123

Frontier

Sep 29

IAH2:18 pmHouston George Bush Intcntl

2h 41m

MIA5:59 pmMiami

Oct 4

MIA9:43 pmMiami

10h 34m

1 stop

IAH7:17 amHouston George Bush Intcntl

$124

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMiami

IAH Houston George Bush Intcntl - MIA Miami

IAHMIA

Houston George Bush Intcntl

Fri 12/4

9:15 am-12:50 pm

Nonstop2h 35m

Miami

Thu 12/17

6:00 am-8:20 am

Nonstop3h 20m

$122

HoustonMiami

IAH Houston George Bush Intcntl - MIA Miami

IAHMIA

Houston George Bush Intcntl

Fri 11/6

2:32 pm-6:06 pm

Nonstop2h 34m

Miami

Mon 11/9

11:39 am-1:47 pm

Nonstop3h 08m

$122

HoustonMiami

IAH Houston George Bush Intcntl - MIA Miami

IAHMIA

Houston George Bush Intcntl

Sat 11/7

6:27 pm-10:04 pm

Nonstop2h 37m

Miami

Wed 11/11

3:35 pm-5:37 pm

Nonstop3h 02m

$169

HoustonMiami

IAH Houston George Bush Intcntl - MIA Miami

IAHMIA

Houston George Bush Intcntl

Thu 11/12

1:20 pm-4:55 pm

Nonstop2h 35m

Miami

Tue 11/17

9:31 am-11:29 am

Nonstop2h 58m

$169

HoustonMiami

IAH Houston George Bush Intcntl - MIA Miami

IAHMIA

Houston George Bush Intcntl

Thu 11/5

2:45 pm-6:20 pm

Nonstop2h 35m

Miami

Sat 11/7

8:45 am-10:51 am

Nonstop3h 06m

$169

HoustonMiami

IAH Houston George Bush Intcntl - MIA Miami

IAHMIA

Houston George Bush Intcntl

Wed 9/23

6:50 pm-10:34 pm

Nonstop2h 44m

Miami

Mon 9/28

8:45 am-10:37 am

Nonstop2h 52m

$169

Quickest round-trip

HoustonMiami

HOU Houston Hobby - MIA Miami

HOUMIA

Houston Hobby

Mon 10/5

8:25 pm-11:50 pm

Nonstop2h 25m

Miami

Thu 10/8

5:20 am-7:05 am

Nonstop2h 45m

$169

HoustonMiami

HOU Houston Hobby - MIA Miami

HOUMIA

Houston Hobby

Sat 9/26

8:10 am-4:30 pm

1 stop7h 20m

Miami

Tue 9/29

6:45 am-8:20 am

Nonstop2h 35m

$179

HoustonMiami

HOU Houston Hobby - MIA Miami

HOUMIA

Houston Hobby

Tue 10/6

11:12 am-5:14 pm

1 stop5h 02m

Miami

Thu 10/15

5:50 pm-11:03 pm

1 stop6h 13m

$197

HoustonMiami

HOU Houston Hobby - MIA Miami

HOUMIA

Houston Hobby

Sat 10/3

5:26 pm-12:55 am

1 stop6h 29m

Miami

Mon 10/5

6:00 am-10:00 am

1 stop5h 00m

$197

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 $179.

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 $357.

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 $210. 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 $591.

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 $216 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 $160 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

Best Price Found	$65
Fastest flight time	2h 25m
Direct flights	Every day
Airports in Florida Keys	3 airports

The best one-way flight to Florida Keys from Houston in the past 72 hours is $65. The best round-trip flight deal from Houston to Florida Keys found on momondo in the last 72 hours is $122.

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 September 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 10,175 reviews	Search United Airlines flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
Delta	PriceFrom $253	Free Cancellation	Rating 7.8 8,548 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.