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Key Largo

$49+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — MIA
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
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 March, booked 71 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 August 19, 2025.

Round-trip from

$84
(FlightHub)

One-way from

$49
(Spirit)

Popular in

December

Cheapest in

September

Average price

$193
From Houston George Bush Intcntl to Key Largo
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One-way flight from Houston George Bush Intcntl to Key Largo
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Highest demand for flights based on searches. 6% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 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 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 August 19, 2025.

This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:06 pmIAH - MIA
Nonstop2h 25mSpirit Airlines
Fri 10/243:46 pmMIA - IAH
Nonstop2h 51mSpirit Airlines
Deal found 8/18$84
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:27 pmIAH - MIA
Nonstop2h 37mSpirit Airlines
Wed 9/247:00 amMIA - IAH
1 stop10h 50mSpirit Airlines
Deal found 8/18$85
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:26 pmIAH - MIA
Nonstop2h 33mSpirit Airlines
Mon 9/153:50 pmMIA - IAH
Nonstop3h 04mSpirit Airlines
Deal found 8/18$86
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Mon 9/86:59 pmIAH - MIA
Nonstop2h 41mSpirit Airlines
Fri 9/123:50 pmMIA - IAH
Nonstop3h 04mSpirit Airlines
Deal found 8/18$87
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Tue 9/912:58 pmIAH - MIA
1 stop9h 19mSpirit Airlines
Thu 9/116:59 pmMIA - IAH
Nonstop3h 08mSpirit Airlines
Deal found 8/18$89
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:29 pmIAH - MIA
Nonstop2h 42mFrontier
Sat 9/68:00 amMIA - IAH
Nonstop2h 54mFrontier
Deal found 8/18$90
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:58 pmIAH - MIA
1 stop9h 19mSpirit Airlines
Tue 9/236:59 pmMIA - IAH
Nonstop3h 08mSpirit Airlines
Deal found 8/17$92
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:43 pmIAH - MIA
Nonstop2h 26mSpirit Airlines
Fri 10/177:13 pmMIA - IAH
Nonstop2h 54mSpirit Airlines
Deal found 8/17$94
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:12 pmIAH - MIA
Nonstop2h 42mFrontier
Mon 9/88:00 amMIA - IAH
Nonstop2h 54mFrontier
Deal found 8/17$95
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:18 pmIAH - MIA
Nonstop2h 41mSpirit Airlines
Sun 11/166:30 amMIA - IAH
Nonstop3h 02mSpirit Airlines
Deal found 8/17$96
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Fri 9/54:04 pmIAH - MIA
1 stop7h 38mFrontier
Mon 9/88:00 amMIA - IAH
Nonstop2h 54mFrontier
Deal found 8/19$97
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:08 pmIAH - MIA
1 stop9h 02mSpirit Airlines
Fri 10/317:13 pmMIA - IAH
Nonstop2h 54mSpirit Airlines
Deal found 8/17$98

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 August 19, 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 10/23

9:06 pm-12:31 am

Nonstop2h 25m

Miami

Fri 10/31

3:46 pm-5:37 pm

Nonstop2h 51m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 10/17

6:43 pm-10:09 pm

Nonstop2h 26m

Miami

Mon 10/20

7:13 pm-9:07 pm

Nonstop2h 54m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 10/4

5:25 am-9:01 am

Nonstop2h 36m

Miami

Mon 10/6

7:13 pm-9:07 pm

Nonstop2h 54m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 9/26

6:59 pm-10:40 pm

Nonstop2h 41m

Miami

Tue 9/30

6:59 pm-9:07 pm

Nonstop3h 08m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 10/24

6:43 pm-10:09 pm

Nonstop2h 26m

Miami

Mon 10/27

7:13 pm-9:07 pm

Nonstop2h 54m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 11/5

6:18 pm-9:59 pm

Nonstop2h 41m

Miami

Sun 11/9

6:30 am-8:32 am

Nonstop3h 02m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 11/7

6:18 pm-9:59 pm

Nonstop2h 41m

Miami

Tue 11/11

11:32 am-1:39 pm

Nonstop3h 07m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 11/8

6:18 pm-9:59 pm

Nonstop2h 41m

Miami

Sun 11/16

6:30 am-8:32 am

Nonstop3h 02m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 9/13

5:25 am-9:01 am

Nonstop2h 36m

Miami

Sat 9/20

6:59 pm-9:07 pm

Nonstop3h 08m

$84

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 10/23

9:06 pm-12:31 am

Nonstop2h 25m

Miami

Wed 10/29

7:13 pm-9:07 pm

Nonstop2h 54m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 20 results
1
2

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 August 8, 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 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 Houston George Bush Intcntl Airport to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Key Largo (average of $232). Flying from Houston George Bush Intcntl Airport to Key Largo in March is currently the most expensive (average of $289). 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 August 19, 2025.

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

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 August 17, 2025.

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

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

Explore weekly flight availability from George Bush Intcntl to Key Largo. 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 19, 2025.

The most flights from IAH to KE9 are scheduled on a Monday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

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 August 19, 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
8,922 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Mignon,Nov 2024

IAH - LGA

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.
United Airlines
7.4
Good
8,922 reviews
United Airlines
7.4
Good
8,922 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Mignon,Nov 2024

IAH - LGA

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,922 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Mignon,Nov 2024

IAH - LGA

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.
Spirit Airlines
6.3
Okay
8,037 reviews
United Airlines
7.4
Good
8,922 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Mignon,Nov 2024

IAH - LGA

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.
Frontier
5.8
Fair
3,211 reviews
United Airlines
7.4
Good
8,922 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Mignon,Nov 2024

IAH - LGA

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

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?

    Spirit Airlines can get you from Houston George Bush Intcntl Airport to Key Largo in just under 2h 25m. Your travel time will be generally consistent. Airlines will cover a distance of 962 mi. Generally, flights for this route are nonstop.

  • 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 Spirit Airlines (84%), TAP AIR PORTUGAL (78%) and Iberia (78%).

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

    On average you can expect to pay $791 for a flight from Houston George Bush Intcntl Airport to Key Largo. The cheapest flight overall is $47 while the most popular route, (Houston George Bush Intcntl - Miami) is currently priced at $60.

  • 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Key Largo (average of $232). Flying from Houston George Bush Intcntl Airport to Key Largo in March is currently the most expensive (average of $289). 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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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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$159FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$170FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$130Average$339FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$151Average$391FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$398FlexibilityNo cancel feeOn-timeN/A

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