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Cheap flights from Houston George Bush Intcntl Airport to Florida Keys from $49

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 6/3. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 12:09 am
IAH
-
MIA
2h 29mnonstop
Multiple Airlines Logo
6:30 am - 8:23 am
MIA
-
IAH
2h 53mnonstop
$85Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Spirit Airlines Logo
5:24 pm - 8:44 pm
IAH
-
MIA
2h 20mnonstop
Spirit Airlines Logo
9:45 pm - 11:49 pm
MIA
-
IAH
3h 04mnonstop
$86Spirit Airlines
Sat, Apr 4 - Thu, Apr 9
Multiple Airlines Logo
8:50 pm - 12:19 am
IAH
-
MIA
2h 29mnonstop
Multiple Airlines Logo
6:30 am - 8:23 am
MIA
-
IAH
2h 53mnonstop
$87Multiple Airlines
Fri, Apr 17 - Mon, Apr 20
Frontier Logo
4:53 pm - 8:22 pm
IAH
-
MIA
2h 29mnonstop
Frontier Logo
11:22 am - 1:42 pm
MIA
-
IAH
3h 20mnonstop
$88Frontier
Sat, Apr 4 - Thu, Apr 9
Multiple Airlines Logo
6:17 pm - 9:49 pm
IAH
-
MIA
2h 32mnonstop
Multiple Airlines Logo
6:00 am - 8:18 am
MIA
-
IAH
3h 18mnonstop
$89Multiple Airlines
Wed, May 6 - Mon, May 11
Multiple Airlines Logo
8:50 pm - 12:19 am
IAH
-
MIA
2h 29mnonstop
Multiple Airlines Logo
6:30 am - 8:23 am
MIA
-
IAH
2h 53mnonstop
$90Multiple Airlines
Fri, Apr 17 - Mon, Apr 27
Frontier Logo
9:17 pm - 12:44 am
IAH
-
MIA
2h 27mnonstop
Frontier Logo
6:00 am - 8:18 am
MIA
-
IAH
3h 18mnonstop
$91Frontier
Fri, May 15 - Mon, May 18
Frontier Logo
9:17 pm - 12:44 am
IAH
-
MIA
2h 27mnonstop
Frontier Logo
6:00 am - 8:18 am
MIA
-
IAH
3h 18mnonstop
$92Frontier
Thu, May 7 - Sun, May 10
Multiple Airlines Logo
5:24 pm - 8:44 pm
IAH
-
MIA
2h 20mnonstop
Multiple Airlines Logo
11:22 am - 1:42 pm
MIA
-
IAH
3h 20mnonstop
$93Multiple Airlines
Sat, Apr 4 - Thu, Apr 9
Multiple Airlines Logo
2:22 pm - 5:51 pm
IAH
-
MIA
2h 29mnonstop
Multiple Airlines Logo
6:30 am - 8:23 am
MIA
-
IAH
2h 53mnonstop
$94Multiple Airlines
Sun, Apr 12 - Wed, Apr 15

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
Apr 16
IAH6:00 pmHouston George Bush Intcntl
2h 32m
MIA9:32 pmMiami
Apr 20
MIA6:30 amMiami
2h 53m
IAH8:23 amHouston George Bush Intcntl
$85
Spirit Airlines
Apr 4
IAH5:24 pmHouston George Bush Intcntl
2h 20m
MIA8:44 pmMiami
Apr 9
MIA9:45 pmMiami
3h 04m
IAH11:49 pmHouston George Bush Intcntl
$86
Spirit Airlines
Apr 13
IAH5:24 pmHouston George Bush Intcntl
2h 20m
MIA8:44 pmMiami
Apr 18
MIA6:30 amMiami
2h 53m
IAH8:23 amHouston George Bush Intcntl
$90

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
Apr 4
IAH4:53 pmHouston George Bush Intcntl
2h 29m
MIA8:22 pmMiami
Apr 9
MIA11:22 amMiami
3h 20m
IAH1:42 pmHouston George Bush Intcntl
$88
Frontier
May 7
IAH9:17 pmHouston George Bush Intcntl
2h 27m
MIA12:44 amMiami
May 10
MIA6:00 amMiami
3h 18m
IAH8:18 amHouston George Bush Intcntl
$92
Frontier
Apr 16
IAH8:40 pmHouston George Bush Intcntl
2h 29m
MIA12:09 amMiami
Apr 22
MIA11:10 amMiami
6h 44m
1 stop
IAH4:54 pmHouston George Bush Intcntl
$103

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 March 24, 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

Thu 4/16

8:40 pm-12:09 am

Nonstop2h 29m

Miami

Mon 4/20

6:30 am-8:23 am

Nonstop2h 53m

$85

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 4/4

5:24 pm-8:44 pm

Nonstop2h 20m

Miami

Thu 4/9

9:45 pm-11:49 pm

Nonstop3h 04m

$86

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 4/17

8:50 pm-12:19 am

Nonstop2h 29m

Miami

Mon 4/20

6:30 am-8:23 am

Nonstop2h 53m

$87

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 4/4

4:53 pm-8:22 pm

Nonstop2h 29m

Miami

Thu 4/9

11:22 am-1:42 pm

Nonstop3h 20m

$88

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 5/6

6:17 pm-9:49 pm

Nonstop2h 32m

Miami

Mon 5/11

6:00 am-8:18 am

Nonstop3h 18m

$89

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 4/17

8:50 pm-12:19 am

Nonstop2h 29m

Miami

Mon 4/27

6:30 am-8:23 am

Nonstop2h 53m

$90

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 5/15

9:17 pm-12:44 am

Nonstop2h 27m

Miami

Mon 5/18

6:00 am-8:18 am

Nonstop3h 18m

$91

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 5/7

9:17 pm-12:44 am

Nonstop2h 27m

Miami

Sun 5/10

6:00 am-8:18 am

Nonstop3h 18m

$92

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 4/4

5:24 pm-8:44 pm

Nonstop2h 20m

Miami

Thu 4/9

11:22 am-1:42 pm

Nonstop3h 20m

$93

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 4/12

2:22 pm-5:51 pm

Nonstop2h 29m

Miami

Wed 4/15

6:30 am-8:23 am

Nonstop2h 53m

$94

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 November is another great option to travel to Florida Keys, with average flight prices from Houston George Bush Intcntl Airport averaging around $160.

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 $324. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $481.

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 $164. 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 $501.

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 $205 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 $157 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?

  • 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 $236Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,320 reviews
Search Delta flights
United AirlinesPriceFrom $301Free CancellationRating
7.4
9,469 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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