HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$86+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — MIA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hobby to Key Largo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston Hobby to Key Largo are usually found in August or May, booked 44 days in advance, depart on a Wednesday or Tuesday 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 April 29, 2025.

Round-trip from

$171
(Southwest)

One-way from

$86
(Southwest)

Popular in

December

Cheapest in

August

Average price

$221
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 ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 29, 2025.

This Southwest deal was found by Cheapflights users on 4/29. 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 8/96:00 pmHOU - MIA
Nonstop2h 25mSouthwest
Sat 8/168:05 amMIA - HOU
Nonstop2h 40mSouthwest
Deal found 4/29$171
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:00 amHOU - MIA
1 stop6h 07mDelta
Thu 8/710:33 amMIA - HOU
1 stop5h 48mDelta
Deal found 4/29$208
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/46:31 pmHOU - MIA
1 stop5h 07mAmerican Airlines
Wed 6/115:18 amMIA - HOU
1 stop5h 25mAmerican Airlines
Deal found 4/28$211
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:30 pmHOU - MIA
1 stop15h 40mSun Country Air
Sun 6/222:08 pmMIA - HOU
1 stop27h 52mSun Country Air
Deal found 4/28$361

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 April 29, 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

Mon 6/23

8:25 pm-11:55 pm

Nonstop2h 30m

Miami

Fri 6/27

7:15 am-8:55 am

Nonstop2h 40m

$185

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 6/4

6:31 pm-12:38 am

1 stop5h 07m

Miami

Wed 6/11

5:18 am-9:43 am

1 stop5h 25m

$211

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sat 7/26

12:50 pm-9:18 pm

1 stop7h 28m

Miami

Sat 8/2

5:30 am-12:01 pm

1 stop7h 31m

$217

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Fri 6/20

6:30 pm-11:10 am

1 stop15h 40m

Miami

Sun 6/22

2:08 pm-5:00 pm

1 stop27h 52m

$361

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Thu 6/19

6:30 pm-11:52 pm

2 stops28h 22m

Miami

Sun 6/22

2:08 pm-5:00 pm

1 stop27h 52m

$428

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 6/9

8:25 pm-11:55 pm

Nonstop2h 30m

$86

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Mon 6/9

6:41 pm-12:57 am

1 stop5h 16m

$99

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 6/11

2:30 pm-9:44 pm

1 stop6h 14m

$106

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Sat 6/14

10:41 am-7:49 pm

2 stops32h 08m

$160

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Fri 6/13

12:55 pm-11:52 pm

1 stop9h 57m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 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 April 25, 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 $228). 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 April 29, 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

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.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

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).

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 April 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Houston to Key Largo to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Sun Country Air
6.9
Okay
346 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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

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 $86. Delta flights start at $99 while deals on American Airlines start at $106 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 $123. While the most popular route (Houston Hobby - Miami) can be booked for $81 on average our data indicates $240 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 $228). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hobby to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Orlando flights
Hobby to Miami flights
George Bush Intcntl to Orlando flights
George Bush Intcntl to Miami flights
Hobby to Fort Lauderdale flights
George Bush Intcntl to Fort Lauderdale flights
Hobby to Tampa flights
Hobby to Jacksonville flights
George Bush Intcntl to Tampa flights
George Bush Intcntl to Jacksonville flights
Hobby to Pensacola flights
George Bush Intcntl to Pensacola flights
Hobby to Panama City flights
Hobby to West Palm Beach flights
Hobby to Fort Myers flights
Hobby to Key West flights
George Bush Intcntl to West Palm Beach flights
George Bush Intcntl to Panama City flights
George Bush Intcntl to Fort Myers flights
Hobby to Sarasota flights
George Bush Intcntl to Key West flights
George Bush Intcntl to Sarasota flights
Hobby to Tallahassee flights
Hobby to Valparaiso flights
George Bush Intcntl to Tallahassee flights
Hobby to Melbourne flights
George Bush Intcntl to Valparaiso flights
Hobby to Daytona Beach flights
George Bush Intcntl to Daytona Beach flights
George Bush Intcntl to Melbourne flights
Hobby to Gainesville flights
George Bush Intcntl to Gainesville flights
Hobby to Valdosta flights
George Bush Intcntl to Valdosta flights
George Bush Intcntl to Destin flights

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$165FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$76Average$161FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$409FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$380FlexibilityNo cancel feeOn-time63%
DeltaCheapest$208Average$362FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.