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Key Largo

$56+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MIA
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheapflights Tip: The best prices from Houston Hobby to Key Largo are usually found in October or September, booked 20 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 December 7, 2025.

This Delta deal was found by Cheapflights users on 12/5. 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 12/176:47 pmHOU - MIA
1 stop4h 59mDelta
Wed 1/75:50 amMIA - HOU
1 stop5h 31mDelta
Deal found 12/5$272
This Delta deal was found by Cheapflights users on 12/5. 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 12/176:00 amHOU - MIA
1 stop7h 45mDelta
Thu 1/810:30 amMIA - HOU
1 stop6h 40mDelta
Deal found 12/5$273
This Southwest deal was found by Cheapflights users on 12/5. 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 12/162:00 pmHOU - MIA
1 stop4h 50mSouthwest
Sat 1/107:50 amMIA - HOU
1 stop7h 40mSouthwest
Deal found 12/5$277
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Wed 12/175:44 amHOU - MIA
1 stop7h 28mAmerican Airlines
Sat 1/175:15 amMIA - HOU
1 stop5h 50mAmerican Airlines
Deal found 12/7$302
This Southwest deal was found by Cheapflights users on 12/5. 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 12/1711:15 amHOU - MIA
1 stop8h 30mSouthwest
Mon 1/126:55 amMIA - HOU
1 stop6h 00mSouthwest
Deal found 12/5$334
This Southwest deal was found by Cheapflights users on 12/5. 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 12/1711:15 amHOU - MIA
1 stop8h 30mSouthwest
Thu 1/87:15 amMIA - HOU
2 stops13h 25mSouthwest
Deal found 12/5$340
This American Airlines deal was found by Cheapflights users on 12/6. 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.
Tue 12/165:44 amHOU - MIA
1 stop5h 36mAmerican Airlines
Tue 12/163:32 pmMIA - HOU
1 stop5h 46mAmerican Airlines
Deal found 12/6$341
This Southwest deal was found by Cheapflights users on 12/5. 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 12/162:00 pmHOU - MIA
1 stop4h 50mSouthwest
Wed 12/171:45 pmMIA - HOU
1 stop9h 25mSouthwest
Deal found 12/5$342
This Delta deal was found by Cheapflights users on 12/5. 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 12/176:47 pmHOU - MIA
1 stop4h 59mDelta
Sat 1/105:50 amMIA - HOU
1 stop5h 31mDelta
Deal found 12/5$343

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 December 7, 2025.

Round-trip from

$177
(Southwest)

One-way from

$56
(Southwest)

Popular in

April

Cheapest in

October

Average price

$213
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. 10% potential increase in price ($21 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 December 2025
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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 December 7, 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 1/31

8:45 am-4:25 pm

1 stop6h 40m

Miami

Wed 2/4

4:55 pm-10:10 pm

1 stop6h 15m

$177

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sat 2/21

5:35 pm-12:53 am

1 stop6h 18m

Miami

Tue 2/24

6:00 am-10:03 am

1 stop5h 03m

$197

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 2/9

5:04 pm-12:51 am

1 stop6h 47m

Miami

Wed 2/11

3:25 pm-10:33 pm

1 stop8h 08m

$198

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 1/20

11:09 am-6:20 pm

1 stop6h 11m

Miami

Thu 1/22

5:50 am-10:21 am

1 stop5h 31m

$198

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 1/20

11:15 am-9:00 pm

2 stops8h 45m

Miami

Thu 1/22

12:55 pm-8:25 pm

1 stop8h 30m

$243

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 1/8

11:00 am-8:05 pm

2 stops8h 05m

Miami

Thu 1/15

7:00 am-11:15 am

1 stop5h 15m

$270

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 12/17

6:00 am-1:06 pm

1 stop6h 06m

Miami

Sat 1/17

5:50 am-10:21 am

1 stop5h 31m

$272

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 1/8

11:15 am-9:00 pm

2 stops8h 45m

Miami

Sat 1/10

7:50 am-7:20 pm

2 stops12h 30m

$274

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 12/16

11:15 am-8:25 pm

2 stops8h 10m

Miami

Sat 1/10

7:50 am-7:20 pm

2 stops12h 30m

$290

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 1/15

11:00 am-8:20 pm

2 stops8h 20m

Miami

Thu 1/22

2:35 pm-10:40 pm

1 stop9h 05m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Showing 1-10 of 18 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 December 5, 2025.

The best time to book flights from Houston Hobby Airport to Key Largo is 20 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 December 7, 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.

Weekly flight availability from Houston Hobby Airport to Key Largo

Explore weekly flight availability from Hobby 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 December 7, 2025.

The most flights from HOU to KE9 are scheduled on a Friday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 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 December 7, 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
4,253 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

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
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

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
9,072 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

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
11,046 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

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
8,167 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

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
5.8
Fair
3,090 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

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 6h 18m. 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.

  • 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 $39. Spirit Airlines flights start at $41 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 $63. While the most popular route (Houston Hobby - Miami) can be booked for $58 on average, our data indicates $443 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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$185FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$79Average$159FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$126Average$331FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$127Average$366FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$311FlexibilityNo cancel feeOn-time63%
DeltaCheapest$172Average$418FlexibilityNo cancel feeOn-timeN/A

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