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Key Largo

$41+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — MIA
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
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 71 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 February 13, 2026.

This CheapOair deal was found by Cheapflights users on 2/11. 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 4/85:24 pm
IAH
-
MIA
Nonstop2h 20m
Multiple Airlines
Sat 4/119:17 pm
MIA
-
IAH
Nonstop3h 20m
Multiple Airlines
Deal found 2/11$76
This Orbitz deal was found by Cheapflights users on 2/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:24 pm
IAH
-
MIA
Nonstop2h 27m
Spirit Airlines
Sat 3/72:41 pm
MIA
-
IAH
Nonstop3h 04m
Spirit Airlines
Deal found 2/10$77
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 4/114:53 pm
IAH
-
MIA
Nonstop2h 29m
Multiple Airlines
Wed 4/159:45 pm
MIA
-
IAH
Nonstop3h 06m
Multiple Airlines
Deal found 2/10$78
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:24 pm
IAH
-
MIA
Nonstop2h 27m
Spirit Airlines
Wed 3/49:53 pm
MIA
-
IAH
Nonstop3h 06m
Spirit Airlines
Deal found 2/11$80
This Super.com deal was found by Cheapflights users on 2/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:24 pm
IAH
-
MIA
Nonstop2h 20m
Spirit Airlines
Wed 4/89:45 pm
MIA
-
IAH
Nonstop3h 04m
Spirit Airlines
Deal found 2/12$81
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:24 pm
IAH
-
MIA
Nonstop2h 27m
Spirit Airlines
Thu 3/59:53 pm
MIA
-
IAH
Nonstop3h 06m
Spirit Airlines
Deal found 2/10$82
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 4/75:24 pm
IAH
-
MIA
Nonstop2h 20m
Spirit Airlines
Tue 4/149:45 pm
MIA
-
IAH
Nonstop3h 04m
Spirit Airlines
Deal found 2/10$83
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/256:00 am
IAH
-
MIA
1 stop5h 16m
Multiple Airlines
Thu 3/57:00 am
MIA
-
IAH
Nonstop3h 13m
Multiple Airlines
Deal found 2/10$84
This Priceline deal was found by Cheapflights users on 2/10. 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.
Sat 4/114:53 pm
IAH
-
MIA
Nonstop2h 29m
Multiple Airlines
Mon 4/139:45 pm
MIA
-
IAH
Nonstop3h 04m
Multiple Airlines
Deal found 2/10$85
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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 4/215:23 pm
IAH
-
MIA
Nonstop2h 27m
Spirit Airlines
Sun 5/39:45 pm
MIA
-
IAH
Nonstop3h 06m
Spirit Airlines
Deal found 2/12$86
This Super.com deal was found by Cheapflights users on 2/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:39 pm
IAH
-
MIA
Nonstop2h 29m
Frontier
Mon 5/1111:34 am
MIA
-
IAH
Nonstop3h 05m
Frontier
Deal found 2/11$87

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 February 13, 2026.

Round-trip from

$76
(CheapOair)

One-way from

$41
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$235
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. 11% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 13, 2026.
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

Tue 4/28

4:30 pm-7:58 pm

Nonstop2h 28m

Miami

Thu 4/30

11:34 am-1:39 pm

Nonstop3h 05m

$85

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 2/18

5:24 pm-8:51 pm

Nonstop2h 27m

Miami

Sat 2/21

9:53 pm-11:59 pm

Nonstop3h 06m

$111

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 4/11

4:53 pm-8:22 pm

Nonstop2h 29m

Miami

Tue 4/14

12:26 pm-10:50 pm

1 stop11h 24m

$112

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 5/3

2:39 pm-6:08 pm

Nonstop2h 29m

Miami

Sun 5/3

9:45 pm-11:39 pm

Nonstop2h 54m

$114

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sun 5/3

2:39 pm-6:08 pm

Nonstop2h 29m

Miami

Sun 5/3

9:21 pm-8:32 am

1 stop12h 11m

$124

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 4/8

5:24 pm-8:44 pm

Nonstop2h 20m

Miami

Sun 4/12

11:30 am-1:50 pm

Nonstop3h 20m

$152

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 2/24

5:24 pm-8:51 pm

Nonstop2h 27m

Miami

Wed 2/25

12:10 pm-5:12 pm

1 stop6h 02m

$153

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Mon 3/2

5:24 pm-8:51 pm

Nonstop2h 27m

Miami

Tue 3/3

6:02 am-3:15 pm

1 stop10h 13m

$158

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Wed 2/25

7:21 am-5:49 pm

2 stops9h 28m

Miami

Sat 2/28

7:05 am-5:12 pm

1 stop11h 07m

$160

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 3/19

5:15 am-8:07 pm

1 stop13h 52m

Miami

Mon 3/23

3:12 pm-10:24 am

1 stop20h 12m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 22 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 February 6, 2026.

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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Key Largo (average of $50). 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 February 13, 2026.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Key Largo in the evening. Doing so could potentially save you 53% on the flight price compared to flying in the morning, 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 February 7, 2026.

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. Thursday mornings 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 February 13, 2026.

The most flights from IAH to KE9 are scheduled on a Thursday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 February 13, 2026.
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
9,285 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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
9,285 reviews
United Airlines
7.4
Good
9,285 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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
11,276 reviews
United Airlines
7.4
Good
9,285 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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
8,451 reviews
United Airlines
7.4
Good
9,285 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Frontier
5.7
Fair
3,052 reviews
United Airlines
7.4
Good
9,285 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

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?

    Spirit Airlines and Frontier can get you from Houston George Bush Intcntl Airport to Key Largo in just under 2h 27m. 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 cheapest airlines to fly from Houston George Bush Intcntl Airport to Key Largo one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $37. Spirit Airlines flights start at $37 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 Avianca (93%), ITA Airways (92%) and TAP AIR PORTUGAL (92%).

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

    On average you can expect to pay $906 for a flight from Houston George Bush Intcntl Airport to Key Largo. The cheapest flight overall is $36 while the most popular route, (Houston George Bush Intcntl - Miami) is currently priced at $66.

  • 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Key Largo (average of $50). 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.

See more FAQs

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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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$46Average$134FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$157FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$117Average$339FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$132Average$363FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$398FlexibilityNo cancel feeOn-timeN/A

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