Cheap flights from Key Largo, FL to Houston
MIA — HOU
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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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 Key Largo to Houston are usually found in January or April, booked 80 days in advance, depart on a Tuesday or Thursday and return on a Monday
Find flight deals from Key Largo to Houston
Keep the following information in mind while searching for Key Largo to Houston flight deals. Data was last updated November 3, 2026.
Popular in | June |
|---|---|
Cheapest in | January |
Average price | $208 |
Cheapflights Insights
Everything you need to know about your flight from Key Largo to Houston
What is the cheapest time of day to fly from KE9 to HOU?
Find hourly flight availability from Key Largo to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2026.
One of the essential ways to save on airfare from Key Largo to Houston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.
What is the cheapest day to fly from Key Largo to Houston?
Use this chart to determine the cheapest time to fly round-trip from Key Largo to Houston. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Key Largo to Houston flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated November 3, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andJetBlue from Key Largo to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Key Largo to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Key Largo and Houston flights
Browse other Key Largo and Houston flight options. Last updated on November 3, 2026.
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Top 6 airlines flying from Key Largo to Houston
Discover the top 6 airlines that operate flights from Key Largo to Houston. 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 7,457,451 searches. Data last updated November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$61 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$308 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$317 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$158 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$331 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$169 | Average$296 | FlexibilityNo cancel fee | On-time71% |