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 $37. JetBlue flights start at $69 while deals on United Airlines start at $78 one-way.

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.

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).

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

Looking at all options, your cheapest flight can be booked for $84. While the most popular route (Houston Hobby - Miami) can be booked for $111 on average, our data indicates $386 when flying from Houston Hobby Airport to Key Largo.

What are the most popular airlines that fly from Houston Hobby Airport to Key Largo?

Consider American Airlines, Frontier or United Airlines when booking your flight. These represent the most popular airlines 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.

Find Cheap Flights from Houston Hobby Airport to Key Largo

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Cheapflights Tip: The best prices from Houston Hobby to Key Largo are usually found in February or January, booked 21 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Find flight deals from Hobby to Key Largo

Popular in	June
Cheapest in	February
Average price	$248

Highest demand for flights based on searches. 16% potential increase in price ($45 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Houston Hobby Airport to Key Largo

What is the cheapest time of day to fly from HOU to KE9?

It’s optimal to fly from Houston Hobby Airport to Key Largo in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

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

Travelers seeking maximum savings on their Houston Hobby Airport to Key Largo flight should consider departing on Saturday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get a feel of what it's like to fly with Southwest,United Airlines, andJetBlue 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

7.9

Good

4,226 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Southwest

7.9

Good

4,226 reviews

Southwest

7.9

Good

4,226 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

United Airlines

7.4

Good

10,339 reviews

Southwest

7.9

Good

4,226 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

JetBlue

7.1

Good

3,042 reviews

Southwest

7.9

Good

4,226 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

American Airlines

7.0

Good

12,143 reviews

Southwest

7.9

Good

4,226 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Frontier

5.6

Fair

2,550 reviews

Southwest

7.9

Good

4,226 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

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 $37. JetBlue flights start at $69 while deals on United Airlines start at $78 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 $84. While the most popular route (Houston Hobby - Miami) can be booked for $111 on average, our data indicates $386 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.

See more FAQs

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Top 6 airlines flying from Hobby to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$58	Average$181	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$98	Average$340	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$143	Average$337	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$167	Average$287	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$169	Average$346	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$169	Average$384	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Hobby (HOU) to Key Largo, FL

Find cheap flights from Hobby to Key Largo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Hobby to Key Largo

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from HOU to KE9?

It’s optimal to fly from Houston Hobby Airport to Key Largo in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

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

Travelers seeking maximum savings on their Houston Hobby Airport to Key Largo flight should consider departing on Saturday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get a feel of what it's like to fly with Southwest,United Airlines, andJetBlue 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.

Related info for your journey

What are the cheapest airlines to fly from Houston Hobby Airport to Key Largo one-way?

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

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

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

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

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.

Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Hobby to Key Largo by cabin class

Find flights from Hobby to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hobby and Key Largo flights

Browse other Hobby and Key Largo flight options. Last updated on October 11, 2026.

Other flights from Hobby

Browse through other flights departing from Hobby. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.

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Hobby to Key Largo flights

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Top 6 airlines flying from Hobby to Key Largo

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