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Cheap flights from Houston George Bush Intcntl Airport to Florida Keys from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Florida Keys departing on 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:37 pm - 12:21 am
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:00 am - 7:54 am
MIA
-
IAH
2h 54mnonstop
$96Frontier
Wed, Jul 8 - Tue, Jul 14
Frontier Logo
8:37 pm - 12:21 am
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:00 am - 7:54 am
MIA
-
IAH
2h 54mnonstop
$97Frontier
Sat, Jul 11 - Tue, Jul 14
Frontier Logo
8:37 pm - 12:21 am
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:00 am - 7:54 am
MIA
-
IAH
2h 54mnonstop
$99Frontier
Tue, Jul 7 - Tue, Aug 4
Frontier Logo
8:37 pm - 12:21 am
IAH
-
MIA
2h 44mnonstop
Frontier Logo
9:35 am - 11:34 am
MIA
-
IAH
2h 59mnonstop
$100Frontier
Wed, Aug 12 - Wed, Aug 19
Frontier Logo
8:42 pm - 1:29 pm
IAH
-
MIA
15h 47m
1 stop
Frontier Logo
9:35 am - 11:34 am
MIA
-
IAH
2h 59mnonstop
$102Frontier
Wed, Aug 26 - Mon, Aug 31
Frontier Logo
8:37 pm - 12:21 am
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:00 am - 7:54 am
MIA
-
IAH
2h 54mnonstop
$105Frontier
Tue, Aug 4 - Sat, Aug 8
Multiple Airlines Logo
12:21 pm - 10:19 am
IAH
-
EYW
20h 58m
1 stop
Multiple Airlines Logo
10:04 am - 10:06 pm
EYW
-
IAH
13h 02m
2 stops
$250Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
7:00 am - 4:16 pm
IAH
-
EYW
8h 16m
1 stop
American Airlines Logo
1:50 pm - 9:32 pm
EYW
-
IAH
8h 42m
1 stop
$281American Airlines
Sat, Aug 15 - Tue, Aug 18
American Airlines Logo
8:19 am - 7:39 pm
IAH
-
EYW
10h 20m
2 stops
American Airlines Logo
1:50 pm - 9:32 pm
EYW
-
IAH
8h 42m
1 stop
$286American Airlines
Sat, Aug 15 - Tue, Aug 18
American Airlines Logo
8:54 am - 6:27 pm
IAH
-
EYW
8h 33m
2 stops
American Airlines Logo
1:59 pm - 10:25 pm
EYW
-
IAH
9h 26m
2 stops
$291American Airlines
Wed, Sep 16 - Wed, Sep 23

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
Jul 8
IAH8:37 pmHouston George Bush Intcntl
2h 44m
MIA12:21 amMiami
Jul 14
MIA6:00 amMiami
2h 54m
IAH7:54 amHouston George Bush Intcntl
$96
Frontier
Jul 11
IAH8:37 pmHouston George Bush Intcntl
2h 44m
MIA12:21 amMiami
Jul 14
MIA6:00 amMiami
2h 54m
IAH7:54 amHouston George Bush Intcntl
$97
Frontier
Jul 7
IAH8:37 pmHouston George Bush Intcntl
2h 44m
MIA12:21 amMiami
Aug 4
MIA6:00 amMiami
2h 54m
IAH7:54 amHouston George Bush Intcntl
$99

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

Our best United Airlines deals on Houston George Bush Intcntl Airport to Florida Keys flight tickets
United Airlines
May 26
IAH7:01 pmHouston George Bush Intcntl
2h 39m
MIA10:40 pmMiami
Jun 2
MIA6:20 amMiami
2h 54m
IAH8:14 amHouston George Bush Intcntl
$233
United Airlines
May 13
IAH12:15 pmHouston George Bush Intcntl
2h 47m
EYW4:02 pmKey West
May 20
EYW4:47 pmKey West
3h 18m
IAH7:05 pmHouston George Bush Intcntl
$494
United Airlines
May 13
IAH6:15 amHouston George Bush Intcntl
7h 52m
1 stop
EYW3:07 pmKey West
May 20
EYW4:47 pmKey West
3h 18m
IAH7:05 pmHouston George Bush Intcntl
$504

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 12, 2026.
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

Cheapest round-trip
Quickest round-trip

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 7/8

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Tue 7/14

6:00 am-7:54 am

Nonstop2h 54m

$96

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 7/11

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Tue 7/14

6:00 am-7:54 am

Nonstop2h 54m

$97

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 7/7

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Tue 8/4

6:00 am-7:54 am

Nonstop2h 54m

$99

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 8/12

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Wed 8/19

9:35 am-11:34 am

Nonstop2h 59m

$100

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 8/26

8:42 pm-1:29 pm

1 stop15h 47m

Miami

Mon 8/31

9:35 am-11:34 am

Nonstop2h 59m

$102

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 8/4

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Sat 8/8

6:00 am-7:54 am

Nonstop2h 54m

$105

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 9/16

12:21 pm-10:19 am

1 stop20h 58m

Key West

Wed 9/23

10:04 am-10:06 pm

2 stops13h 02m

$250

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

7:00 am-4:16 pm

1 stop8h 16m

Key West

Tue 8/18

1:50 pm-9:32 pm

1 stop8h 42m

$281

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

8:19 am-7:39 pm

2 stops10h 20m

Key West

Tue 8/18

1:50 pm-9:32 pm

1 stop8h 42m

$286

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 9/16

8:54 am-6:27 pm

2 stops8h 33m

Key West

Wed 9/23

1:59 pm-10:25 pm

2 stops9h 26m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

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

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 George Bush Intcntl Airport averaging around $41.

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 Thursday when prices can be found for as low as $331. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $493.

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 $162. 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 $515.

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 from Houston George Bush Intcntl Airport 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 $213 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 $159 on momondo.

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 25m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from Houston George Bush Intcntl Airport to Florida Keys takes 2h 25m
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

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Florida Keys

  • 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?

  • 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?

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
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
7.9
8,446 reviews
Search Delta flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,701 reviews
Search United Airlines 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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