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Key Largo

$64+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MIA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheapflights Tip: The best prices from Houston Hobby to Key Largo are usually found in September or October, booked 23 days in advance, depart on a Sunday or Monday and return on a Wednesday

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 October 16, 2025.

Round-trip from

$137
(Southwest)

One-way from

$64
(Southwest)

Popular in

November

Cheapest in

September

Average price

$149
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. 4% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This Southwest deal was found by Cheapflights users on 10/15. 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.
Mon 11/108:05 pmHOU - MIA
Nonstop2h 20mSouthwest
Sat 11/155:25 pmMIA - HOU
Nonstop3h 00mSouthwest
Deal found 10/15$137
This Southwest deal was found by Cheapflights users on 10/15. 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.
Mon 11/108:05 pmHOU - MIA
Nonstop2h 20mSouthwest
Thu 11/209:30 amMIA - HOU
1 stop5h 15mSouthwest
Deal found 10/15$162
This Southwest deal was found by Cheapflights users on 10/15. 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.
Tue 12/238:35 pmHOU - MIA
Nonstop2h 20mSouthwest
Mon 1/124:55 pmMIA - HOU
1 stop6h 15mSouthwest
Deal found 10/15$167
This Southwest deal was found by Cheapflights users on 10/16. 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.
Tue 11/112:00 pmHOU - MIA
1 stop4h 50mSouthwest
Wed 11/196:55 amMIA - HOU
1 stop5h 15mSouthwest
Deal found 10/16$172
This Southwest deal was found by Cheapflights users on 10/15. 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.
Sun 11/165:05 amHOU - MIA
1 stop10h 25mSouthwest
Tue 11/186:55 amMIA - HOU
1 stop5h 15mSouthwest
Deal found 10/15$183
This Southwest deal was found by Cheapflights users on 10/16. 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 11/83:05 pmHOU - MIA
1 stop5h 20mSouthwest
Sat 11/156:05 amMIA - HOU
1 stop5h 05mSouthwest
Deal found 10/16$188
This Southwest deal was found by Cheapflights users on 10/16. 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.
Wed 11/56:00 amHOU - MIA
1 stop9h 10mSouthwest
Fri 11/77:35 pmMIA - HOU
Nonstop3h 05mSouthwest
Deal found 10/16$192
This Delta deal was found by Cheapflights users on 10/16. 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 11/116:48 pmHOU - MIA
1 stop4h 58mDelta
Sat 11/157:00 amMIA - HOU
1 stop7h 28mDelta
Deal found 10/16$197

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 October 16, 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

Wed 11/5

11:15 am-8:45 pm

1 stop8h 30m

Miami

Wed 11/12

6:55 am-11:10 am

1 stop5h 15m

$177

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 11/13

1:55 pm-10:05 pm

1 stop7h 10m

Miami

Sat 11/15

6:05 am-1:25 pm

1 stop8h 20m

$177

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 11/10

8:00 am-2:30 pm

1 stop5h 30m

Miami

Thu 11/13

7:35 pm-9:40 pm

Nonstop3h 05m

$192

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 1/22

6:00 am-2:39 pm

1 stop7h 39m

Miami

Thu 1/29

3:35 pm-9:46 pm

1 stop7h 11m

$197

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 12/15

1:25 pm-9:50 pm

2 stops7h 25m

Miami

Thu 12/25

6:55 am-11:10 am

1 stop5h 15m

$227

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 10/30

7:55 pm-11:15 pm

Nonstop2h 20m

Miami

Mon 11/3

1:45 pm-9:00 pm

1 stop8h 15m

$227

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 11/24

5:05 am-4:30 pm

1 stop10h 25m

Miami

Thu 11/27

7:10 am-5:55 pm

1 stop11h 45m

$244

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 10/29

10:55 am-4:50 pm

1 stop4h 55m

Miami

Thu 10/30

7:30 pm-9:20 pm

Nonstop2h 50m

$257

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 12/24

12:30 pm-7:50 pm

1 stop6h 20m

Miami

Mon 1/12

4:55 pm-10:10 pm

1 stop6h 15m

$259

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 12/8

6:47 pm-12:46 am

1 stop4h 59m

Miami

Sat 12/13

7:00 am-1:28 pm

1 stop7h 28m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 22 results
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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 October 10, 2025.

The best time to book flights from Houston Hobby Airport to Key Largo is 23 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, October is the cheapest month in which you can book a flight from Houston Hobby Airport to Key Largo (average of $58). Flying from Houston Hobby Airport to Key Largo in December is currently the most expensive (average of $109). 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 October 16, 2025.

It’s optimal to fly from Houston Hobby Airport to Key Largo in the afternoon. By choosing this option you can save up to 58% on the cost of your flight, compared to a flight in the evening.

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 Tuesday mornings when fares are most often at their lowest. Tuesday evenings 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 October 16, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, 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
4,241 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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.
United Airlines
7.4
Good
8,982 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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
11,043 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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.
Spirit Airlines
6.3
Okay
8,097 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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.
Frontier
5.8
Fair
3,137 reviews
Southwest
8.0
Very good
4,241 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

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.

  • How long is the flight from Houston Hobby Airport to Key Largo?

    A quick flight from Houston Hobby Airport to Key Largo can take about 7h 39m. Southwest provides one of the quickest options available for as low as $197. Houston Hobby Airport and Key Largo are separated by a distance of 953 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, October is the cheapest month in which you can book a flight from Houston Hobby Airport to Key Largo (average of $58). Flying from Houston Hobby Airport to Key Largo in December is currently the most expensive (average of $109). 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 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$164FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$81Average$167FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$127Average$334FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$128Average$380FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$313FlexibilityNo cancel feeOn-time63%
DeltaCheapest$220Average$336FlexibilityNo cancel feeOn-timeN/A

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