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 week?

As of April 2026, there are 197 flights per week flying from Houston to Florida Keys. The most common day of the week flights depart is Wed, with 17% of flights taking off on this day.

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 65% 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 day?

As of April 2026, 28 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.

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 April 2026, there are 7 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.

$49 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.

6:00 pm - 9:32 pm

IAH

MIA

2h 32mnonstop

4:00 pm - 5:53 pm

MIA

IAH

2h 53mnonstop

$86Spirit Airlines

Mon, Apr 20 - Thu, Apr 23

8:00 pm - 11:29 pm

IAH

MIA

2h 29mnonstop

5:35 pm - 7:55 pm

MIA

IAH

3h 20mnonstop

$88Frontier

Mon, Apr 20 - Thu, Apr 23

9:17 pm - 12:44 am

IAH

MIA

2h 27mnonstop

6:00 am - 8:18 am

MIA

IAH

3h 18mnonstop

$89Frontier

Fri, May 8 - Sun, May 10

9:17 pm - 12:44 am

IAH

MIA

2h 27mnonstop

2:25 pm - 4:16 pm

MIA

IAH

2h 51mnonstop

$90Multiple Airlines

Fri, May 8 - Wed, May 13

3:05 pm - 6:20 pm

HOU

MIA

2h 15mnonstop

6:15 am - 8:05 am

MIA

HOU

2h 50mnonstop

$169Southwest

Tue, May 5 - Tue, May 12

3:05 pm - 6:20 pm

HOU

MIA

2h 15mnonstop

6:20 pm - 10:50 pm

MIA

HOU

5h 30m

1 stop

$179Southwest

Tue, May 5 - Tue, May 12

5:02 pm - 12:43 am

HOU

MIA

6h 41m

1 stop

7:05 am - 12:11 pm

MIA

HOU

6h 06m

1 stop

$197Delta

Tue, Jun 2 - Wed, Jun 3

10:53 am - 5:23 pm

HOU

EYW

5h 30m

1 stop

7:30 am - 12:11 pm

EYW

HOU

5h 41m

1 stop

$309Delta

Wed, May 6 - Wed, May 13

12:42 pm - 6:49 pm

HOU

EYW

5h 07m

1 stop

2:29 pm - 7:49 pm

EYW

HOU

6h 20m

1 stop

$377American Airlines

Sun, May 17 - Wed, May 20

12:42 pm - 9:53 pm

HOU

EYW

8h 11m

2 stops

2:29 pm - 7:49 pm

EYW

HOU

6h 20m

1 stop

$382American Airlines

Tue, May 12 - Thu, May 14

Frontier flights from Houston to Florida Keys

Our best Frontier deals on Houston to Florida Keys flight tickets

Frontier

Apr 20

IAH8:00 pmHouston George Bush Intcntl

2h 29m

MIA11:29 pmMiami

Apr 23

MIA5:35 pmMiami

3h 20m

IAH7:55 pmHouston George Bush Intcntl

$88

Frontier

May 8

IAH9:17 pmHouston George Bush Intcntl

2h 27m

MIA12:44 amMiami

May 10

MIA6:00 amMiami

3h 18m

IAH8:18 amHouston George Bush Intcntl

$89

Frontier

May 8

IAH9:17 pmHouston George Bush Intcntl

2h 27m

MIA12:44 amMiami

May 10

MIA6:00 amMiami

3h 18m

IAH8:18 amHouston George Bush Intcntl

$90

Spirit Airlines flights from Houston to Florida Keys

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

Spirit Airlines

Apr 13

IAH5:24 pmHouston George Bush Intcntl

2h 20m

MIA8:44 pmMiami

Apr 24

MIA6:30 amMiami

2h 53m

IAH8:23 amHouston George Bush Intcntl

$86

Spirit Airlines

Apr 24

IAH6:00 pmHouston George Bush Intcntl

2h 32m

MIA9:32 pmMiami

May 3

MIA6:30 amMiami

2h 53m

IAH8:23 amHouston George Bush Intcntl

$90

Spirit Airlines

Apr 13

IAH5:24 pmHouston George Bush Intcntl

2h 20m

MIA8:44 pmMiami

Apr 20

MIA6:30 amMiami

2h 53m

IAH8:23 amHouston George Bush Intcntl

$98

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 4/20

6:00 pm-9:32 pm

Nonstop2h 32m

Miami

Thu 4/23

4:00 pm-5:53 pm

Nonstop2h 53m

$86

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 4/20

8:00 pm-11:29 pm

Nonstop2h 29m

Miami

Thu 4/23

5:35 pm-7:55 pm

Nonstop3h 20m

$88

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 5/8

9:17 pm-12:44 am

Nonstop2h 27m

Miami

Sun 5/10

6:00 am-8:18 am

Nonstop3h 18m

$89

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 5/8

9:17 pm-12:44 am

Nonstop2h 27m

Miami

Wed 5/13

2:25 pm-4:16 pm

Nonstop2h 51m

$90

Quickest round-trip

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 5/5

3:05 pm-6:20 pm

Nonstop2h 15m

Miami

Tue 5/12

6:15 am-8:05 am

Nonstop2h 50m

$169

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 5/5

3:05 pm-6:20 pm

Nonstop2h 15m

Miami

Tue 5/12

6:20 pm-10:50 pm

1 stop5h 30m

$179

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 6/2

5:02 pm-12:43 am

1 stop6h 41m

Miami

Wed 6/3

7:05 am-12:11 pm

1 stop6h 06m

$197

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 5/6

10:53 am-5:23 pm

1 stop5h 30m

Key West

Wed 5/13

7:30 am-12:11 pm

1 stop5h 41m

$309

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sun 5/17

12:42 pm-6:49 pm

1 stop5h 07m

Key West

Wed 5/20

2:29 pm-7:49 pm

1 stop6h 20m

$377

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 5/12

12:42 pm-9:53 pm

2 stops8h 11m

Key West

Thu 5/14

2:29 pm-7:49 pm

1 stop6h 20m

$382

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 Monday when prices can be found for as low as $185. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $380.

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 $171. 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 $498.

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 $189 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 $135 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 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

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 April 2026, there are 7 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 8,406 reviews	Search Delta flights
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.1 11,572 reviews	Search American Airlines flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,569 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.