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

Frontier and Spirit Airlines are the most popular carriers operating from Houston George Bush Intcntl to Florida Keys

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 George Bush Intcntl Airport according to our data. American Airlines is the first choice among our users, with 75% 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 operators does momondo search for flights from Houston George Bush Intcntl Airport to Florida Keys?

As of February 2026, there are 5 operators available to choose from for flights from Houston George Bush Intcntl Airport to Florida Keys.

How old do you have to be to fly from Houston George Bush Intcntl Airport to Florida Keys?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport 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.

$39 Cheap Flights from Houston George Bush Intcntl Airport to Florida Keys in 2026

Q: How many flights depart from Houston George Bush Intcntl Airport to Florida Keys on average per week?

As of February 2026, there are 169 flights per week flying from Houston George Bush Intcntl Airport to Florida Keys. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.

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Find the cheapest flights from Houston George Bush Intcntl Airport to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:24 pm - 8:51 pm

IAH

MIA

2h 27mnonstop

9:53 pm - 11:59 pm

MIA

IAH

3h 06mnonstop

$76Spirit Airlines

Mon, Feb 23 - Tue, Feb 24

6:25 pm - 9:59 pm

IAH

MIA

2h 34mnonstop

3:09 pm - 5:30 pm

MIA

IAH

3h 21mnonstop

$77Frontier

Sat, Feb 14 - Sat, Feb 28

6:25 pm - 9:59 pm

IAH

MIA

2h 34mnonstop

6:30 am - 8:40 am

MIA

IAH

3h 10mnonstop

$78Frontier

Sat, Feb 28 - Sun, Mar 1

5:24 pm - 8:44 pm

IAH

MIA

2h 20mnonstop

9:45 pm - 11:49 pm

MIA

IAH

3h 04mnonstop

$79Spirit Airlines

Sat, Mar 21 - Fri, Apr 3

10:08 am - 1:40 pm

IAH

MIA

2h 32mnonstop

9:53 pm - 11:59 pm

MIA

IAH

3h 06mnonstop

$80Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

6:25 pm - 9:59 pm

IAH

MIA

2h 34mnonstop

9:53 pm - 11:59 pm

MIA

IAH

3h 06mnonstop

$81Multiple Airlines

Sat, Feb 14 - Wed, Feb 25

5:24 pm - 8:51 pm

IAH

MIA

2h 27mnonstop

9:53 pm - 11:59 pm

MIA

IAH

3h 06mnonstop

$82Spirit Airlines

Thu, Feb 26 - Mon, Mar 2

6:00 am - 12:16 pm

IAH

MIA

5h 16m

1 stop

9:53 pm - 11:59 pm

MIA

IAH

3h 06mnonstop

$83Spirit Airlines

Thu, Feb 19 - Wed, Feb 25

6:00 am - 12:16 pm

IAH

MIA

5h 16m

1 stop

9:53 pm - 11:59 pm

MIA

IAH

3h 06mnonstop

$84Spirit Airlines

Mon, Feb 23 - Sat, Feb 28

10:01 am - 4:49 pm

IAH

EYW

5h 48m

1 stop

7:45 pm - 11:57 pm

EYW

IAH

5h 12m

1 stop

$205American Airlines

Sat, Feb 21 - Wed, Feb 25

Spirit Airlines flights from Houston George Bush Intcntl Airport to Florida Keys

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to Florida Keys flight tickets

Spirit Airlines

Feb 23

IAH5:24 pmHouston George Bush Intcntl

2h 27m

MIA8:51 pmMiami

Feb 24

MIA9:53 pmMiami

3h 06m

IAH11:59 pmHouston George Bush Intcntl

$76

Spirit Airlines

Mar 21

IAH5:24 pmHouston George Bush Intcntl

2h 20m

MIA8:44 pmMiami

Apr 3

MIA9:45 pmMiami

3h 04m

IAH11:49 pmHouston George Bush Intcntl

$79

Spirit Airlines

Feb 26

IAH5:24 pmHouston George Bush Intcntl

2h 27m

MIA8:51 pmMiami

Mar 2

MIA9:53 pmMiami

3h 06m

IAH11:59 pmHouston George Bush Intcntl

$82

Frontier flights from Houston George Bush Intcntl Airport to Florida Keys

Our best Frontier deals on Houston George Bush Intcntl Airport to Florida Keys flight tickets

Frontier

Feb 14

IAH6:25 pmHouston George Bush Intcntl

2h 34m

MIA9:59 pmMiami

Feb 28

MIA3:09 pmMiami

3h 21m

IAH5:30 pmHouston George Bush Intcntl

$77

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

$78

Frontier

Feb 14

IAH6:25 pmHouston George Bush Intcntl

2h 34m

MIA9:59 pmMiami

Feb 26

MIA7:00 amMiami

3h 13m

IAH9:13 amHouston George Bush Intcntl

$80

momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 2/23

5:24 pm-8:51 pm

Nonstop2h 27m

Miami

Tue 2/24

9:53 pm-11:59 pm

Nonstop3h 06m

$76

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 2/14

6:25 pm-9:59 pm

Nonstop2h 34m

Miami

Sat 2/28

3:09 pm-5:30 pm

Nonstop3h 21m

$77

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 2/28

6:25 pm-9:59 pm

Nonstop2h 34m

Miami

Sun 3/1

6:30 am-8:40 am

Nonstop3h 10m

$78

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 3/21

5:24 pm-8:44 pm

Nonstop2h 20m

Miami

Fri 4/3

9:45 pm-11:49 pm

Nonstop3h 04m

$79

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 2/19

10:08 am-1:40 pm

Nonstop2h 32m

Miami

Tue 2/24

9:53 pm-11:59 pm

Nonstop3h 06m

$80

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 2/14

6:25 pm-9:59 pm

Nonstop2h 34m

Miami

Wed 2/25

9:53 pm-11:59 pm

Nonstop3h 06m

$81

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 2/26

5:24 pm-8:51 pm

Nonstop2h 27m

Miami

Mon 3/2

9:53 pm-11:59 pm

Nonstop3h 06m

$82

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 2/19

6:00 am-12:16 pm

1 stop5h 16m

Miami

Wed 2/25

9:53 pm-11:59 pm

Nonstop3h 06m

$83

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 2/23

6:00 am-12:16 pm

1 stop5h 16m

Miami

Sat 2/28

9:53 pm-11:59 pm

Nonstop3h 06m

$84

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 2/21

10:01 am-4:49 pm

1 stop5h 48m

Key West

Wed 2/25

7:45 pm-11:57 pm

1 stop5h 12m

$205

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 George Bush Intcntl Airport 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 George Bush Intcntl Airport averaging around $156.

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

The cheapest day to depart from Houston George Bush Intcntl Airport to Florida Keys is on a Friday when prices can be found for as low as $330. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $486.

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 George Bush Intcntl Airport to Florida Keys in the evening for as low as $157. 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 $503.

What is the cheapest Houston George Bush Intcntl to Florida Keys flight route?

Fly from Houston George Bush Intcntl to Key West for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $196 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 George Bush Intcntl Airport for as low as $139 on momondo.

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

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

Can stopping save me money on Houston George Bush Intcntl Airport to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to Florida Keys.

Cheap Houston George Bush Intcntl Airport to Florida Keys flight deals and tips

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

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

The fastest flight from Houston George Bush Intcntl Airport to Florida Keys takes 2h 20m

Direct flights go from Houston George Bush Intcntl Airport to Florida Keys every day.

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

Search flight deals

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Florida Keys?
Prices for flights from Houston George Bush Intcntl Airport to Florida Keys are refreshed on a daily basis.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Florida Keys?
As of February 2026, there are 5 operators available to choose from for flights from Houston George Bush Intcntl Airport to Florida Keys.
How old do you have to be to fly from Houston George Bush Intcntl Airport to Florida Keys?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport 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.
What is the most popular plane model from Houston George Bush Intcntl Airport to Florida Keys?
Based on momondo bookings for flights between Houston George Bush Intcntl Airport and Florida Keys, the leading plane model is Boeing 737-900, making up 10.62% of the total bookings. Other popular models include Airbus A321neo with 10.58%, Boeing 737 MAX 8 with 9.91%, and Boeing 737 MAX 9 with 9.60%.

Best airlines flying from Houston George Bush Intcntl Airport to Florida Keys

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,240 reviews	Search United Airlines flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.2 11,237 reviews	Search American Airlines flights
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,151 reviews	Search Delta flights

Why use momondo?

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

It is quick and easy to find Houston to Florida Keys flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Florida Keys that suits you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Florida Keys from Houston.

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

Price alerts on flights to Florida Keys from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Florida Keys trip

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Popular cities in Florida Keys

Flights to New Yorkfrom $49

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Flights to Miamifrom $27

Flights to Chicagofrom $50

Flights to Orlandofrom $50

Flights to San Franciscofrom $68

Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $56

Flights to Bostonfrom $50

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from Houston George Bush Intcntl Airport to Florida Keys from $39

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Find the cheapest flights from Houston George Bush Intcntl Airport to Florida Keys

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Spirit Airlines flights from Houston George Bush Intcntl Airport to Florida Keys

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to Florida Keys flight tickets

Frontier flights from Houston George Bush Intcntl Airport to Florida Keys

Our best Frontier deals on Houston George Bush Intcntl Airport to Florida Keys flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Florida Keys that are best for you.

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Florida Keys

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 George Bush Intcntl Airport averaging around $156.

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

The cheapest day to depart from Houston George Bush Intcntl Airport to Florida Keys is on a Friday when prices can be found for as low as $330. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $486.

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

What is the cheapest Houston George Bush Intcntl to Florida Keys flight route?

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

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

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

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

Can stopping save me money on Houston George Bush Intcntl Airport to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to Florida Keys.

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

Frontier and Spirit Airlines are the most popular carriers operating from Houston George Bush Intcntl to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Houston George Bush Intcntl Airport to Florida Keys on average per week?

As of February 2026, there are 169 flights per week flying from Houston George Bush Intcntl Airport to Florida Keys. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.

Cheap Houston George Bush Intcntl Airport to Florida Keys flight deals and tips

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

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Florida Keys?

How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Florida Keys?

How old do you have to be to fly from Houston George Bush Intcntl Airport to Florida Keys?

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

What is the most popular plane model from Houston George Bush Intcntl Airport to Florida Keys?

Best airlines flying from Houston George Bush Intcntl Airport to Florida Keys

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Florida Keys with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo

Houston George Bush Intcntl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Florida Keys

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