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Key Largo

$79+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MIA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Find cheap flights from Hobby to Key Largo with Cheapflights

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Cheapflights Tip: The best prices from Houston Hobby to Key Largo are usually found in October or September, booked 18 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap 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 January 21, 2026.

This Southwest deal was found by Cheapflights users on 1/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:05 am
HOU
-
MIA
1 stop5h 25m
Southwest
Wed 2/2512:55 pm
MIA
-
HOU
1 stop8h 30m
Southwest
Deal found 1/19$177
This Southwest deal was found by Cheapflights users on 1/20. 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 3/172:45 pm
HOU
-
MIA
Nonstop2h 15m
Southwest
Tue 3/245:30 am
MIA
-
HOU
Nonstop2h 55m
Southwest
Deal found 1/20$189
This Southwest deal was found by Cheapflights users on 1/20. 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 2/2411:15 am
HOU
-
MIA
2 stops8h 45m
Southwest
Wed 2/2512:55 pm
MIA
-
HOU
1 stop7h 25m
Southwest
Deal found 1/20$193
This Delta deal was found by Cheapflights users on 1/20. 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 3/31:06 pm
HOU
-
MIA
1 stop6h 38m
Delta
Wed 3/46:00 am
MIA
-
HOU
1 stop5h 01m
Delta
Deal found 1/20$197
This Southwest deal was found by Cheapflights users on 1/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1012:50 pm
HOU
-
MIA
1 stop6h 15m
Southwest
Sat 2/216:00 am
MIA
-
HOU
1 stop9h 35m
Southwest
Deal found 1/19$203
This Southwest deal was found by Cheapflights users on 1/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/102:15 pm
HOU
-
MIA
1 stop6h 15m
Southwest
Sat 2/146:50 pm
MIA
-
HOU
Nonstop3h 05m
Southwest
Deal found 1/19$207
This Delta deal was found by Cheapflights users on 1/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:27 pm
HOU
-
MIA
1 stop6h 25m
Delta
Wed 4/86:00 am
MIA
-
HOU
1 stop5h 23m
Delta
Deal found 1/18$209
This Delta deal was found by Cheapflights users on 1/20. 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 2/105:45 am
HOU
-
MIA
1 stop5h 29m
Delta
Tue 2/105:30 pm
MIA
-
HOU
1 stop6h 03m
Delta
Deal found 1/20$217

Find 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 January 21, 2026.

Round-trip from

$177
(Southwest)

One-way from

$79
(Southwest)

Popular in

April

Cheapest in

October

Average price

$182
From Houston Hobby to Key Largo
Search Deals
One-way flight from Houston Hobby to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Tue 2/24

5:40 am-12:00 pm

1 stop5h 20m

Miami

Wed 2/25

4:55 pm-10:10 pm

1 stop6h 15m

$188

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 3/3

1:06 pm-8:44 pm

1 stop6h 38m

Miami

Wed 3/4

6:00 am-10:01 am

1 stop5h 01m

$197

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 3/24

6:00 am-2:10 pm

1 stop7h 10m

Miami

Tue 3/31

4:44 pm-10:42 pm

1 stop6h 58m

$209

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 3/16

2:45 pm-6:00 pm

Nonstop2h 15m

Miami

Wed 3/18

5:30 am-7:25 am

Nonstop2h 55m

$213

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 2/10

5:45 am-12:14 pm

1 stop5h 29m

Miami

Tue 2/10

5:30 pm-10:33 pm

1 stop6h 03m

$217

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 2/17

6:30 am-1:10 pm

1 stop5h 40m

Miami

Thu 2/19

12:25 pm-8:20 pm

2 stops8h 55m

$233

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 2/10

11:15 am-9:00 pm

2 stops8h 45m

Miami

Thu 2/12

7:45 pm-12:30 am

1 stop5h 45m

$242

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 3/17

2:13 pm-8:50 pm

1 stop5h 37m

Miami

Wed 3/18

6:00 am-10:23 am

1 stop5h 23m

$264

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 4/7

6:00 am-12:09 pm

1 stop5h 09m

Miami

Wed 4/15

6:00 am-12:50 pm

1 stop7h 50m

$264

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 3/3

5:40 am-12:00 pm

1 stop5h 20m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
1
2

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 January 16, 2026.

The best time to book flights from Houston Hobby Airport to Key Largo is 18 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, November is the cheapest month in which you can book a flight from Houston Hobby Airport to Key Largo (average of $53). Flying from Houston Hobby Airport to Key Largo in July is currently the most expensive (average of $107). 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 January 21, 2026.

It’s optimal to fly from Houston Hobby Airport to Key Largo at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Houston Hobby Airport to Key Largo?

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 January 21, 2026.
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
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

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
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

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
9,191 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

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
11,174 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

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
8,364 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

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
5.7
Fair
3,057 reviews
Southwest
8.0
Very good
4,266 reviews

Crew

8.6

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

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 5h 20m. Southwest provides one of the quickest options available for as low as $188. 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.

  • 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 Frontier, which is currently one of the cheapest options available, starting at $36. Spirit Airlines flights start at $38 while deals on American Airlines start at $63 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 $263. While the most popular route (Houston Hobby - Miami) can be booked for $65 on average, our data indicates $388 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, November is the cheapest month in which you can book a flight from Houston Hobby Airport to Key Largo (average of $53). Flying from Houston Hobby Airport to Key Largo in July is currently the most expensive (average of $107). 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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Alternative routes for Hobby to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$175FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$72Average$155FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$312FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$122Average$325FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$125Average$321FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$309FlexibilityNo cancel feeOn-time63%

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