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George Bush Intcntl

$52+ Cheap flights from Key Largo, FL to George Bush Intcntl (IAH)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — IAH
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Houston George Bush Intcntl are usually found in October or January, booked 71 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Key Largo to George Bush Intcntl

Keep the following information in mind while searching for Key Largo to George Bush Intcntl flight deals. Data was last updated August 1, 2025.

Round-trip from

$96
(Cheapflightsfares)

One-way from

$52
(FlightHub)

Popular in

June

Cheapest in

October

Average price

$154
From Key Largo to Houston George Bush Intcntl
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One-way flight from Key Largo to Houston George Bush Intcntl
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Highest demand for flights based on searches. 9% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Key Largo to George Bush Intcntl

Cheapest flights from Key Largo to George Bush Intcntl
Explore the most affordable flight options available from Key Largo to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:32 pmMIA - IAH
Nonstop2h 46mSpirit Airlines
Sun 8/246:40 amIAH - MIA
Nonstop2h 34mSpirit Airlines
Deal found 7/31$96
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:41 pmMIA - IAH
Nonstop2h 42mAmerican Airlines
Fri 9/56:14 pmIAH - MIA
Nonstop2h 46mAmerican Airlines
Deal found 7/30$107
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:57 pmMIA - IAH
Nonstop2h 52mFrontier
Sun 8/107:54 pmIAH - MIA
Nonstop2h 42mFrontier
Deal found 7/29$146

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to George Bush Intcntl 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 August 1, 2025.
Use the filters below to find and compare flights from Key Largo to Houston George Bush Intcntl Airport that are best for you.

Fly from

Key Largo

Fly to

George Bush Intcntl

Route

Depart

Return

Price

MiamiHouston

MIA - IAH

MIAIAH

Miami

Thu 8/21

6:32 pm-8:18 pm

Nonstop2h 46m

Houston George Bush Intcntl

Sun 8/24

6:40 am-10:14 am

Nonstop2h 34m

$96

MiamiHouston

MIA - IAH

MIAIAH

Miami

Fri 8/29

10:41 pm-12:23 am

Nonstop2h 42m

Houston George Bush Intcntl

Fri 9/5

6:14 pm-10:00 pm

Nonstop2h 46m

$107

MiamiHouston

MIA - IAH

MIAIAH

Miami

Mon 11/3

6:59 pm-9:07 pm

Nonstop3h 08m

$52

MiamiHouston

MIA - IAH

MIAIAH

Miami

Fri 8/29

8:40 am-10:36 am

Nonstop2h 56m

$54

MiamiHouston

MIA - IAH

MIAIAH

Miami

Thu 8/21

3:30 pm-5:18 pm

Nonstop2h 48m

$65

MiamiHouston

MIA - IAH

MIAIAH

Miami

Thu 8/7

4:57 pm-6:49 pm

Nonstop2h 52m

$94

MiamiHouston

MIA - IAH

MIAIAH

Miami

Wed 10/29

8:11 am-12:24 pm

1 stop5h 13m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Key Largo to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Key Largo 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 Key Largo to Houston George Bush Intcntl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to George Bush Intcntl. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Key Largo to Houston George Bush Intcntl Airport, you should look to book at least 71 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 Key Largo to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Key Largo to Houston George Bush Intcntl Airport (average of $241). Flying from Key Largo to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 KE9 to IAH?

Find hourly flight availability from Key Largo to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Houston George Bush Intcntl Airport as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Key Largo to George Bush Intcntl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Houston George Bush Intcntl Airport flight should consider departing on Friday evenings 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.

Weekly flight availability from Key Largo to Houston George Bush Intcntl Airport

Explore weekly flight availability from Key Largo to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2025.

The most flights from KE9 to IAH are scheduled on a Thursday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated August 1, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Key Largo to Houston George Bush Intcntl Airport 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.
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Spirit Airlines
6.3
Okay
8,049 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Frontier
5.9
Fair
3,239 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Key Largo to Houston George Bush Intcntl Airport are Spirit Airlines ($52), United Airlines ($54), and American Airlines ($65).

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

    Before booking your flight to Houston George Bush Intcntl Airport from Key Largo, check out the most reliable airlines to get you to your destination on time: Emirates (100%), Avianca (92%), ANA( 85%).

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

    Looking for the cheapest flight from Key Largo to Houston George Bush Intcntl Airport? While on average our users pay $1,753, our data indicates the cheapest price to be $46. The most popular route (Miami - Houston George Bush Intcntl), is priced around $53.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to George Bush Intcntl 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 Key Largo to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Houston George Bush Intcntl Airport (average of $241). Flying from Key Largo to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

See more FAQs

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Humble
Conroe
The Woodlands
Tomball
Katy
Jersey Village

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Top 4 airlines flying from Key Largo to George Bush Intcntl

Discover the top 4 airlines that operate flights from Key Largo to George Bush Intcntl. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$140FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$74Average$163FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$139Average$311FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$150Average$312FlexibilityNo cancel feeOn-time71%

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