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Key Largo

$44+ Cheap flights from George Bush Intcntl (IAH) to Key Largo, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — MIA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Key Largo are usually found in September or November, booked 60 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from George Bush Intcntl to Key Largo

Cheapest flights from George Bush Intcntl to Key Largo
Explore the most affordable flight options available from George Bush Intcntl to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:09 pmIAH - MIA
1 stop26h 50mMultiple Airlines
Sat 1/178:51 pmMIA - IAH
Nonstop3h 05mMultiple Airlines
Deal found 12/17$134
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - MIA
Nonstop2h 35mMultiple Airlines
Fri 1/96:00 amMIA - IAH
Nonstop3h 27mMultiple Airlines
Deal found 12/17$144
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - MIA
Nonstop2h 35mSpirit Airlines
Wed 1/77:00 amMIA - IAH
Nonstop3h 00mSpirit Airlines
Deal found 12/17$148
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - MIA
Nonstop2h 35mSpirit Airlines
Thu 1/87:00 amMIA - IAH
1 stop9h 19mSpirit Airlines
Deal found 12/17$167
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:00 amIAH - MIA
Nonstop2h 23mSpirit Airlines
Sat 1/178:51 pmMIA - IAH
Nonstop3h 05mSpirit Airlines
Deal found 12/16$171
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - MIA
Nonstop2h 35mSpirit Airlines
Tue 1/69:59 pmMIA - IAH
1 stop11h 26mSpirit Airlines
Deal found 12/17$172
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 pmIAH - MIA
1 stop5h 42mMultiple Airlines
Mon 1/59:59 pmMIA - IAH
1 stop11h 26mMultiple Airlines
Deal found 12/17$180
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - MIA
Nonstop2h 35mMultiple Airlines
Wed 1/78:00 amMIA - IAH
1 stop15h 31mMultiple Airlines
Deal found 12/17$188
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - MIA
Nonstop2h 35mSpirit Airlines
Fri 1/97:00 amMIA - IAH
1 stop9h 19mSpirit Airlines
Deal found 12/17$191
This Priceline deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 pmIAH - MIA
1 stop5h 42mMultiple Airlines
Thu 1/17:00 amMIA - IAH
Nonstop3h 00mMultiple Airlines
Deal found 12/17$196

Find flight deals from George Bush Intcntl to Key Largo

Keep the following information in mind while searching for George Bush Intcntl to Key Largo flight deals. Data was last updated December 18, 2025.

Round-trip from

$71
(CheapOair)

One-way from

$44
(Super.com)

Popular in

December

Cheapest in

September

Average price

$263
From Houston George Bush Intcntl to Key Largo
Search Deals
One-way flight from Houston George Bush Intcntl to Key Largo
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Key Largo 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Key Largo that are best for you.

Fly from

George Bush Intcntl

Fly to

Key Largo

Route

Depart

Return

Price

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 1/29

2:32 pm-6:01 pm

Nonstop2h 29m

Miami

Sun 2/1

1:41 pm-3:57 pm

Nonstop3h 16m

$80

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 1/22

5:05 am-11:56 am

1 stop5h 51m

Miami

Tue 2/3

5:54 am-6:22 pm

1 stop13h 28m

$88

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 2/6

4:20 pm-7:46 pm

Nonstop2h 26m

Miami

Sun 2/8

1:41 pm-3:57 pm

Nonstop3h 16m

$93

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 2/6

4:20 pm-7:46 pm

Nonstop2h 26m

Miami

Sun 2/8

8:51 pm-10:56 pm

Nonstop3h 05m

$98

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 1/11

5:05 am-11:56 am

1 stop5h 51m

Miami

Sun 1/18

7:45 am-9:58 am

Nonstop3h 13m

$102

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 2/5

5:05 am-11:56 am

1 stop5h 51m

Miami

Sun 2/15

6:30 am-8:40 am

Nonstop3h 10m

$103

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 1/17

5:05 am-11:56 am

1 stop5h 51m

Miami

Tue 1/20

7:00 am-3:19 pm

1 stop9h 19m

$105

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 1/16

5:18 pm-12:42 am

1 stop6h 24m

Miami

Sun 1/18

7:45 am-9:58 am

Nonstop3h 13m

$113

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 1/16

4:20 pm-7:46 pm

Nonstop2h 26m

Miami

Sun 1/18

8:51 pm-10:56 pm

Nonstop3h 05m

$122

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 2/14

6:25 pm-9:59 pm

Nonstop2h 34m

Miami

Sun 2/15

7:12 am-6:28 pm

1 stop12h 16m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 24 results
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Best time to book a flight from George Bush Intcntl to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Key Largo

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Key Largo. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Key Largo, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Key Largo?

Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Key Largo (average of $49). Flying from Houston George Bush Intcntl Airport to Key Largo in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAH to KE9?

Find hourly flight availability from George Bush Intcntl to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Key Largo at noon. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Key Largo. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Spirit Airlines from Houston George Bush Intcntl Airport to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,053 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Spirit Airlines
6.3
Okay
8,190 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Frontier
5.8
Fair
3,082 reviews
United Airlines
7.4
Good
9,092 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston George Bush Intcntl Airport to Key Largo?

    Frontier and Spirit Airlines can get you from Houston George Bush Intcntl Airport to Key Largo in just under 2h 29m. Your travel time can differ by up to 3h 22m. Airlines will cover a distance of 962 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Key Largo one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $37. Frontier flights start at $40 while deals on American Airlines start at $58 one-way.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Key Largo?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Key Largo are Republic Airways (100%), Avianca (92%) and Envoy Air (90%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Key Largo?

    On average you can expect to pay $679 for a flight from Houston George Bush Intcntl Airport to Key Largo. The cheapest flight overall is $43 while the most popular route, (Houston George Bush Intcntl - Miami) is currently priced at $50.

  • Can I find deals for flights from George Bush Intcntl to Key Largo that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Key Largo.

  • Can I find deals for business class flights from George Bush Intcntl to Key Largo?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Key Largo?

    Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Key Largo (average of $49). Flying from Houston George Bush Intcntl Airport to Key Largo in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for George Bush Intcntl to Key Largo

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Top 5 airlines flying from George Bush Intcntl to Key Largo

Discover the top 5 airlines that operate flights from George Bush Intcntl to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$117FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$67Average$160FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$117Average$342FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$140Average$352FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$368FlexibilityNo cancel feeOn-timeN/A

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