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Cheap flights from Houston George Bush Intcntl Airport to Florida Keys from $83

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 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
8:11 pm - 11:55 pm
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:50 am - 8:44 am
MIA
-
IAH
2h 54mnonstop
$120Frontier
Fri, Aug 21 - Thu, Aug 27
Frontier Logo
8:11 pm - 11:55 pm
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:50 am - 8:44 am
MIA
-
IAH
2h 54mnonstop
$121Frontier
Fri, Aug 28 - Mon, Aug 31
Frontier Logo
8:37 pm - 12:31 am
IAH
-
MIA
2h 54mnonstop
Frontier Logo
6:30 am - 8:24 am
MIA
-
IAH
2h 54mnonstop
$123Frontier
Sat, Jul 25 - Wed, Jul 29
Frontier Logo
8:37 pm - 12:31 am
IAH
-
MIA
2h 54mnonstop
Frontier Logo
8:30 am - 10:29 pm
MIA
-
IAH
14h 59m
1 stop
$124Frontier
Sat, Aug 1 - Sat, Aug 8
Frontier Logo
8:37 pm - 12:31 am
IAH
-
MIA
2h 54mnonstop
Frontier Logo
6:30 am - 8:24 am
MIA
-
IAH
2h 54mnonstop
$125Frontier
Sat, Jul 25 - Sat, Aug 1
Frontier Logo
8:37 pm - 12:21 am
IAH
-
MIA
2h 44mnonstop
Frontier Logo
6:42 pm - 7:20 am
MIA
-
IAH
13h 38m
1 stop
$126Frontier
Sat, Aug 8 - Mon, Aug 10
Frontier Logo
8:37 pm - 12:31 am
IAH
-
MIA
2h 54mnonstop
Frontier Logo
6:30 am - 8:24 am
MIA
-
IAH
2h 54mnonstop
$127Frontier
Sat, Jul 25 - Sun, Jul 26
Frontier Logo
8:37 pm - 12:31 am
IAH
-
MIA
2h 54mnonstop
Frontier Logo
6:30 am - 8:24 am
MIA
-
IAH
2h 54mnonstop
$128Frontier
Sun, Aug 2 - Sat, Aug 8
Multiple Airlines Logo
12:21 pm - 11:35 am
IAH
-
EYW
22h 14m
1 stop
Multiple Airlines Logo
10:04 am - 10:06 pm
EYW
-
IAH
13h 02m
2 stops
$202Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
5:09 pm - 10:19 am
IAH
-
EYW
16h 10m
1 stop
Multiple Airlines Logo
10:04 am - 10:10 pm
EYW
-
IAH
13h 06m
2 stops
$206Multiple Airlines
Sat, Oct 24 - Wed, Oct 28

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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
Aug 21
IAH8:11 pmHouston George Bush Intcntl
2h 44m
MIA11:55 pmMiami
Aug 27
MIA6:50 amMiami
2h 54m
IAH8:44 amHouston George Bush Intcntl
$120
Frontier
Aug 28
IAH8:11 pmHouston George Bush Intcntl
2h 44m
MIA11:55 pmMiami
Aug 31
MIA6:50 amMiami
2h 54m
IAH8:44 amHouston George Bush Intcntl
$121
Frontier
Jul 25
IAH8:37 pmHouston George Bush Intcntl
2h 54m
MIA12:31 amMiami
Jul 29
MIA6:30 amMiami
2h 54m
IAH8:24 amHouston George Bush Intcntl
$123

Delta flights from Houston George Bush Intcntl Airport to Florida Keys

Our best Delta deals on Houston George Bush Intcntl Airport to Florida Keys flight tickets
Delta
Aug 4
IAH5:20 amHouston George Bush Intcntl
11h 00m
2 stops
EYW5:20 pmKey West
Aug 11
EYW7:40 amKey West
6h 47m
1 stop
IAH1:27 pmHouston George Bush Intcntl
$286
Delta
Nov 3
IAH5:20 amHouston George Bush Intcntl
13h 31m
2 stops
EYW7:51 pmKey West
Nov 12
EYW6:00 pmKey West
6h 58m
1 stop
IAH11:58 pmHouston George Bush Intcntl
$305
Delta
Oct 24
IAH6:15 amHouston George Bush Intcntl
12h 36m
2 stops
EYW7:51 pmKey West
Oct 28
EYW7:40 amKey West
11h 42m
2 stops
IAH6:22 pmHouston George Bush Intcntl
$310

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 July 5, 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

Fri 8/21

8:11 pm-11:55 pm

Nonstop2h 44m

Miami

Thu 8/27

6:50 am-8:44 am

Nonstop2h 54m

$120

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 8/28

8:11 pm-11:55 pm

Nonstop2h 44m

Miami

Mon 8/31

6:50 am-8:44 am

Nonstop2h 54m

$121

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 7/25

8:37 pm-12:31 am

Nonstop2h 54m

Miami

Wed 7/29

6:30 am-8:24 am

Nonstop2h 54m

$123

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 8/1

8:37 pm-12:31 am

Nonstop2h 54m

Miami

Sat 8/8

8:30 am-10:29 pm

1 stop14h 59m

$124

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 7/25

8:37 pm-12:31 am

Nonstop2h 54m

Miami

Sat 8/1

6:30 am-8:24 am

Nonstop2h 54m

$125

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 8/8

8:37 pm-12:21 am

Nonstop2h 44m

Miami

Mon 8/10

6:42 pm-7:20 am

1 stop13h 38m

$126

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 7/25

8:37 pm-12:31 am

Nonstop2h 54m

Miami

Sun 7/26

6:30 am-8:24 am

Nonstop2h 54m

$127

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 8/2

8:37 pm-12:31 am

Nonstop2h 54m

Miami

Sat 8/8

6:30 am-8:24 am

Nonstop2h 54m

$128

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 9/12

12:21 pm-11:35 am

1 stop22h 14m

Key West

Sat 9/19

10:04 am-10:06 pm

2 stops13h 02m

$202

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 10/24

5:09 pm-10:19 am

1 stop16h 10m

Key West

Wed 10/28

10:04 am-10:10 pm

2 stops13h 06m

$206

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 Saturday when prices can be found for as low as $452. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $606.

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 $181. 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 $596.

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 $221 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 $160 on momondo.

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

There are 2 cabin classes available to choose from on Houston George Bush Intcntl Airport 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 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 $247Free CancellationRating
7.1
11,765 reviews
Search American Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.8
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $301Free CancellationRating
7.4
9,930 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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Find better results for your trip to Florida Keys

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