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 $54. Frontier flights start at $55 while deals on Delta start at $99 one-way.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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

On average you can expect to pay $626 for a flight from Houston George Bush Intcntl Airport to Key Largo. The cheapest flight overall is $55 while the most popular route, (Houston George Bush Intcntl - Miami) is currently priced at $91.

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 Envoy Air (92%), Spirit Airlines (83%) and British Airways (82%).

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to Key Largo?

The most popular airlines flying from Houston George Bush Intcntl Airport to Key Largo are American Airlines, Frontier and Spirit Airlines. Something to consider prior to booking your flight.

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

August is one of the best times of the year to fly to Key Largo from Houston George Bush Intcntl Airport. Prices for August average $208 per person but you can even find prices for as low as $78. The most expensive prices can be found in the month of December. Opting for a August flight can save you 18% on your journey compared to booking in December

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.

$54+ Flights from Houston George Bush Intcntl Airport to Key Largo

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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 Friday or Thursday and return on a Thursday

Cheap flight deals from George Bush Intcntl to Key Largo

Round-trip from	$106 (Trip.com)
One-way from	$54 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$251

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. 8% potential increase in price ($17 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 June 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 June 26, 2025.

Fri 8/84:29 pmIAH - MIA

Nonstop2h 35mSpirit Airlines

Fri 8/157:17 pmMIA - IAH

Nonstop2h 48mSpirit Airlines

Deal found 6/24

$106

Fri 10/247:03 pmIAH - MIA

Nonstop2h 42mUnited Airlines

Mon 10/279:00 amMIA - IAH

Nonstop2h 57mUnited Airlines

Deal found 6/25

$107

Fri 9/55:35 amIAH - MIA

Nonstop2h 37mAmerican Airlines

Mon 9/810:10 pmMIA - IAH

Nonstop2h 46mAmerican Airlines

Deal found 6/25

$108

Thu 7/247:54 pmIAH - MIA

Nonstop2h 42mMultiple Airlines

Mon 7/289:09 pmMIA - IAH

Nonstop3h 04mMultiple Airlines

Deal found 6/26

$110

Thu 7/247:54 pmIAH - MIA

Nonstop2h 42mFrontier

Thu 7/317:15 amMIA - IAH

1 stop9h 59mFrontier

Deal found 6/26

$112

Tue 7/297:10 amIAH - MIA

1 stop4h 57mDelta

Sat 9/278:05 amMIA - IAH

1 stop7h 37mDelta

Deal found 6/25

$197

Best flights from George Bush Intcntl to Key Largo
Discover carefully curated flight deals from George Bush Intcntl to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Fri 8/84:29 pmIAH - MIA

Nonstop2h 35mSpirit Airlines

Fri 8/157:17 pmMIA - IAH

Nonstop2h 48mSpirit Airlines

Deal found 6/24

$106

Fri 10/247:03 pmIAH - MIA

Nonstop2h 42mUnited Airlines

Mon 10/279:00 amMIA - IAH

Nonstop2h 57mUnited Airlines

Deal found 6/25

$107

Fri 9/55:35 amIAH - MIA

Nonstop2h 37mAmerican Airlines

Mon 9/810:10 pmMIA - IAH

Nonstop2h 46mAmerican Airlines

Deal found 6/25

$108

Mon 10/1311:25 amIAH - MIA

Nonstop2h 28mMultiple Airlines

Sat 10/1811:34 amMIA - IAH

Nonstop2h 49mMultiple Airlines

Deal found 6/25

$122

Thu 7/107:54 pmIAH - MIA

Nonstop2h 42mFrontier

Thu 7/174:57 pmMIA - IAH

Nonstop3h 12mFrontier

Deal found 6/26

$130

Tue 7/297:10 amIAH - MIA

1 stop4h 57mDelta

Sat 9/278:05 amMIA - IAH

1 stop7h 37mDelta

Deal found 6/25

$197

Last-minute flights from George Bush Intcntl to Key Largo
Discover last-minute flight deals from George Bush Intcntl to Key Largo. Data last updated June 26, 2025 and is based on user searches.

Tue 7/14:55 pmIAH - MIA

Nonstop2h 35mSpirit Airlines

Wed 7/911:54 amMIA - IAH

Nonstop3h 02mSpirit Airlines

Deal found 6/24

$121

Thu 7/37:58 pmIAH - MIA

Nonstop2h 39mFrontier

Sun 7/134:57 pmMIA - IAH

Nonstop3h 12mFrontier

Deal found 6/24

$209

Sat 7/54:55 pmIAH - MIA

Nonstop2h 35mMultiple Airlines

Sat 7/127:15 amMIA - IAH

1 stop9h 59mMultiple Airlines

Deal found 6/26

$140

Fri 7/114:29 pmIAH - MIA

Nonstop2h 35mMultiple Airlines

Thu 7/174:57 pmMIA - IAH

Nonstop3h 12mMultiple Airlines

Deal found 6/26

$108

Thu 7/174:29 pmIAH - MIA

Nonstop2h 35mSpirit Airlines

Thu 7/2411:44 amMIA - IAH

Nonstop3h 02mSpirit Airlines

Deal found 6/25

$107

Thu 7/247:54 pmIAH - MIA

Nonstop2h 42mFrontier

Thu 7/317:15 amMIA - IAH

1 stop9h 59mFrontier

Deal found 6/26

$112

Tue 7/299:36 amIAH - MIA

1 stop6h 17mDelta

Wed 9/2410:20 amMIA - IAH

1 stop5h 38mDelta

Deal found 6/25

$197

One-way flights from George Bush Intcntl to Key Largo
Search for one-way flight options from George Bush Intcntl to Key Largo. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Tue 7/810:08 amIAH - MIA

Nonstop2h 40mSpirit Airlines

Deal found 6/25

$54

Thu 7/177:54 pmIAH - MIA

Nonstop2h 42mFrontier

Deal found 6/25

$55

Tue 7/299:36 amIAH - MIA

1 stop7h 42mDelta

Deal found 6/25

$99

Fri 7/45:05 pmIAH - MIA

Nonstop2h 40mUnited Airlines

Deal found 6/25

$164

Thu 7/177:17 amIAH - MIA

1 stop7h 25mAmerican Airlines

Deal found 6/25

$165

Tue 9/235:59 pmIAH - MIA

2 stops22h 32mAlaska Airlines

Deal found 6/25

$252

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 8/8

4:29 pm-8:04 pm

Nonstop2h 35m

Miami

Fri 8/15

7:17 pm-9:05 pm

Nonstop2h 48m

$106

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 10/24

7:03 pm-10:45 pm

Nonstop2h 42m

Miami

Tue 10/28

9:00 am-10:57 am

Nonstop2h 57m

$107

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Fri 9/5

5:35 am-9:12 am

Nonstop2h 37m

Miami

Mon 9/8

10:10 pm-11:56 pm

Nonstop2h 46m

$108

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 7/24

7:54 pm-11:36 pm

Nonstop2h 42m

Miami

Mon 7/28

9:09 pm-11:13 pm

Nonstop3h 04m

$110

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 7/24

7:54 pm-11:36 pm

Nonstop2h 42m

Miami

Thu 7/31

7:15 am-4:14 pm

1 stop9h 59m

$112

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 7/29

9:36 am-4:53 pm

1 stop6h 17m

Miami

Tue 9/30

12:05 pm-4:34 pm

1 stop5h 29m

$197

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 7/8

10:08 am-1:48 pm

Nonstop2h 40m

$54

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Thu 7/17

7:54 pm-11:36 pm

Nonstop2h 42m

$55

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Tue 7/29

9:36 am-6:18 pm

1 stop7h 42m

$99

HoustonMiami

IAH - MIA

IAHMIA

Houston George Bush Intcntl

Sat 11/22

11:27 am-2:50 pm

Nonstop2h 23m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 11 results

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?

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 $230). 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?

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?

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

The most flights from IAH to KE9 are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Key Largo

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,963 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,838 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Spirit Airlines

6.3

Okay

8,088 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 $54. Frontier flights start at $55 while deals on Delta start at $99 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 Envoy Air (92%), Spirit Airlines (83%) and British Airways (82%).
What are the cheapest flights from Houston George Bush Intcntl Airport to Key Largo?
On average you can expect to pay $626 for a flight from Houston George Bush Intcntl Airport to Key Largo. The cheapest flight overall is $55 while the most popular route, (Houston George Bush Intcntl - Miami) is currently priced at $91.
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 $230). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from George Bush Intcntl to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$58	Average$156	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$75	Average$165	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$155	Average$396	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$157	Average$353	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$248	Average$408	FlexibilityNo cancel fee	On-timeN/A

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$54+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to Key Largo with Cheapflights

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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 Friday or Thursday 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 June 26, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from George Bush Intcntl to Key Largo

Cheapest flights from George Bush Intcntl to Key LargoExplore 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 June 26, 2025.

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 June 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Key Largo that are best for you.

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.

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 June 20, 2025.

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

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 June 26, 2025.

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 June 22, 2025.

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

Reviews of airlines servicing Key Largo

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.

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

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

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

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

How can I 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?

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

Browse thousands of different options on Cheapflights for your next trip

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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

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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 June 26, 2025.