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Key Largo

$54+ Cheap flights from Hobby (HOU) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MIA
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Houston Hobby to Key Largo are usually found in August or September, booked 44 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Hobby to Key Largo

Keep the following information in mind while searching for Hobby to Key Largo flight deals. Data was last updated June 30, 2025.

Round-trip from

$107
(Southwest)

One-way from

$54
(Southwest)

Popular in

December

Cheapest in

August

Average price

$203
From Houston Hobby to Key Largo
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One-way flight from Houston Hobby to Key Largo
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Highest demand for flights based on searches. 10% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 Hobby to Key Largo

Cheapest flights from Hobby to Key Largo
Explore the most affordable flight options available from Hobby to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:00 amHOU - MIA
Nonstop2h 30mSouthwest
Sat 8/235:35 pmMIA - HOU
Nonstop2h 50mSouthwest
Deal found 6/29$107
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/294:16 pmHOU - MIA
1 stop7h 31mDelta
Tue 8/55:30 amMIA - HOU
1 stop7h 41mDelta
Deal found 6/30$197
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/216:30 pmHOU - MIA
1 stop5h 14mAmerican Airlines
Mon 8/257:15 amMIA - HOU
1 stop7h 36mAmerican Airlines
Deal found 6/30$251

Cheapflights Fare Finder

Customize your flight search to find flights from Hobby 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 June 30, 2025.
Use the filters below to find and compare flights from Houston Hobby Airport to Key Largo that are best for you.

Fly from

Hobby

Fly to

Key Largo

Route

Depart

Return

Price

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sat 8/23

11:00 am-2:30 pm

Nonstop2h 30m

Miami

Sat 8/23

5:35 pm-7:25 pm

Nonstop2h 50m

$107

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 7/29

4:16 pm-12:47 am

1 stop7h 31m

Miami

Tue 8/5

5:30 am-12:11 pm

1 stop7h 41m

$197

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 8/21

6:30 pm-12:44 am

1 stop5h 14m

Miami

Mon 8/25

7:15 am-1:51 pm

1 stop7h 36m

$251

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 7/28

8:25 pm-11:55 pm

Nonstop2h 30m

$54

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sat 9/6

1:05 pm-9:28 pm

1 stop7h 23m

$99

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 8/14

4:20 pm-10:56 pm

1 stop5h 36m

$126

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Fri 8/15

8:02 pm-7:06 pm

2 stops22h 04m

$153

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 11/25

6:37 pm-10:51 am

1 stop15h 14m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Hobby to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Hobby 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 Hobby Airport to Key Largo

How far ahead should I book a flight from Houston Hobby Airport to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Hobby to Key Largo. Price data was last updated on June 27, 2025.

The best time to book flights from Houston Hobby Airport to Key Largo is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston Hobby Airport to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Houston Hobby Airport to Key Largo (average of $231). Flying from Houston Hobby 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 HOU to KE9?

Find hourly flight availability from Hobby 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 30, 2025.

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

What is the cheapest day to fly from Houston Hobby Airport to Key Largo?

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

Travelers seeking maximum savings on their Houston Hobby Airport to Key Largo flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday mornings 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 June 30, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Houston Hobby Airport to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Hobby 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 Hobby Airport to Key Largo one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $54. Delta flights start at $99 while deals on American Airlines start at $126 one-way.

  • What are the cheapest flights from Houston Hobby Airport to Key Largo?

    Looking at all options, your cheapest flight can be booked for $53. While the most popular route (Houston Hobby - Miami) can be booked for $80 on average our data indicates $220 when flying from Houston Hobby Airport to Key Largo.

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

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

  • How can I find direct flights from Hobby to Key Largo?

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

  • Can I find deals for business class flights from Hobby to Key Largo?

    Yes. Cheapflights offers flight deals from Hobby 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 Hobby Airport to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Houston Hobby Airport to Key Largo (average of $231). Flying from Houston Hobby 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 6 airlines flying from Hobby to Key Largo

Discover the top 6 airlines that operate flights from Hobby 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$166FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$78Average$168FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$152Average$401FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$172Average$356FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$322FlexibilityNo cancel feeOn-time63%

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