HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$49+ Cheap flights from Key Largo, FL to Houston

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — HOU
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Houston 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.

The best prices from Key Largo to Houston are usually found in February or October, booked 75 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Key Largo to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$84
(Cheapflightsfares)

One-way from

$49
(FlightHub)

Popular in

July

Cheapest in

February

Average price

$213
From Key Largo to Houston
Search Deals
One-way flight from Key Largo to Houston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Key Largo to Houston

Cheapest flights from Key Largo to Houston
Explore the most affordable flight options available from Key Largo to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/195:49 amMIA - IAH
Nonstop2h 59mSpirit Airlines
Wed 2/265:25 amIAH - MIA
1 stop7h 00mSpirit Airlines
Deal found 1/20$84
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:42 pmMIA - IAH
Nonstop3h 05mMultiple Airlines
Wed 3/121:25 pmIAH - MIA
Nonstop2h 27mMultiple Airlines
Deal found 1/21$85
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/214:57 pmMIA - IAH
Nonstop3h 05mFrontier
Mon 2/248:47 pmIAH - MIA
Nonstop2h 26mFrontier
Deal found 1/20$86
This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/298:00 amMIA - HOU
1 stop10h 26mFrontier
Thu 1/3010:36 amHOU - MIA
1 stop14h 18mFrontier
Deal found 1/21$156
This Southwest deal was found by Cheapflights users on 1/21. 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.
Thu 2/203:40 pmMIA - HOU
1 stop5h 45mSouthwest
Thu 2/274:00 pmHOU - MIA
1 stop5h 00mSouthwest
Deal found 1/21$183
This Delta deal was found by Cheapflights users on 1/21. 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 2/112:51 pmMIA - IAH
1 stop7h 23mDelta
Tue 2/186:43 pmIAH - MIA
1 stop5h 08mDelta
Deal found 1/21$197
This Delta deal was found by Cheapflights users on 1/21. 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 2/116:10 pmMIA - HOU
1 stop5h 19mDelta
Tue 2/186:37 pmHOU - MIA
1 stop5h 14mDelta
Deal found 1/21$197
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/812:41 pmMIA - IAH
Nonstop3h 20mAmerican Airlines
Sun 2/97:20 amIAH - MIA
Nonstop2h 36mAmerican Airlines
Deal found 1/21$236
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/85:18 amMIA - HOU
1 stop7h 26mAmerican Airlines
Sat 2/86:45 pmHOU - MIA
1 stop5h 01mAmerican Airlines
Deal found 1/21$257

Find flights from Key Largo to Houston within your budget

Customize your flight search to find flights from Key Largo to Houston 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, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiHouston

MIA - IAH

MIAIAH

Miami

Wed 2/19

5:49 am-7:48 am

Nonstop2h 59m

Houston George Bush Intcntl

Fri 2/21

8:02 pm-11:28 pm

Nonstop2h 26m

$84

MiamiHouston

MIA - IAH

MIAIAH

Miami

Fri 2/21

4:57 pm-7:02 pm

Nonstop3h 05m

Houston George Bush Intcntl

Mon 2/24

8:47 pm-12:13 am

Nonstop2h 26m

$86

MiamiHouston

MIA - IAH

MIAIAH

Miami

Tue 2/4

5:45 am-7:42 am

Nonstop2h 57m

Houston George Bush Intcntl

Wed 2/5

9:32 am-1:00 pm

Nonstop2h 28m

$91

MiamiHouston

MIA - HOU

MIAHOU

Miami

Tue 3/25

4:20 pm-6:15 pm

Nonstop2h 55m

Houston Hobby

Tue 4/1

10:50 am-2:10 pm

Nonstop2h 20m

$177

MiamiHouston

MIA - IAH

MIAIAH

Miami

Tue 2/11

2:51 pm-9:14 pm

1 stop7h 23m

Houston George Bush Intcntl

Tue 2/18

6:43 pm-12:51 am

1 stop5h 08m

$197

MiamiHouston

MIA - HOU

MIAHOU

Miami

Tue 2/11

6:10 pm-10:29 pm

1 stop5h 19m

Houston Hobby

Tue 2/18

6:37 pm-12:51 am

1 stop5h 14m

$197

MiamiHouston

MIA - HOU

MIAHOU

Miami

Thu 2/6

6:00 am-9:36 am

1 stop28h 36m

Houston Hobby

Sun 2/9

6:16 pm-5:09 pm

1 stop21h 53m

$217

MiamiHouston

MIA - IAH

MIAIAH

Miami

Sat 2/8

7:54 pm-10:01 pm

Nonstop3h 07m

Houston George Bush Intcntl

Sun 2/9

7:20 am-10:56 am

Nonstop2h 36m

$236

MiamiHouston

MIA - HOU

MIAHOU

Miami

Wed 2/19

8:21 am-3:39 pm

1 stop8h 18m

Houston Hobby

Mon 2/24

6:00 am-12:33 pm

1 stop5h 33m

$257

MiamiHouston

MIA - IAH

MIAIAH

Miami

Wed 2/19

2:20 pm-7:16 pm

1 stop5h 56m

$49

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 20 results
1
2

Best time to book a flight from Key Largo to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Key Largo 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.

Travel insights for flights from Key Largo to Houston

Get recent, data-driven insights about flights from Key Largo to Houston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Houston. Price data was last updated on January 17, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to Houston?

Currently, September is the cheapest month in which you can book a flight from Key Largo to Houston (average of $230). Flying from Key Largo to Houston in March is currently the most expensive (average of $334). 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 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Houston as you normally would.

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 December 16, 2024.

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

Rainfall in Houston by month

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

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

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

If weather is an important factor for your trip to Houston, 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 53.6 F).

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 January 21, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and American Airlines from Key Largo to Houston to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

JetBlue
7.4
Good
3,200 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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.

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

    One-way options have recently been found by users for as low as $49 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $52 and Southwest from $89 one-way.

  • What are the cheapest flights from Key Largo to Houston?

    While on average a flight from Key Largo to Houston is generally $653, our data shows the cheapest flight currently is $221. When looking at the most popular route, (Miami - Houston Hobby), you can expect to pay $58 for that flight.

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

    Yes. In addition to deals on Key Largo to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Houston.

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

    Yes. Cheapflights offers flight deals from Key Largo to Houston 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 Key Largo to Houston?

    Currently, September is the cheapest month in which you can book a flight from Key Largo to Houston (average of $230). Flying from Key Largo to Houston in March is currently the most expensive (average of $334). 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 Key Largo to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Dallas/Fort Worth flights
Orlando to Hobby flights
Fort Lauderdale to Dallas/Fort Worth flights
Miami to Dallas/Fort Worth flights
Fort Lauderdale to Hobby flights
Tampa to Dallas/Fort Worth flights
Orlando to George Bush Intcntl flights
Miami to Hobby flights
Fort Lauderdale to George Bush Intcntl flights
Tampa to Hobby flights
Miami to George Bush Intcntl flights
Miami to Austin flights
Orlando to Austin flights
Tampa to George Bush Intcntl flights
West Palm Beach to Dallas/Fort Worth flights
Miami to San Antonio flights
Jacksonville to Dallas/Fort Worth flights
Tampa to Austin flights
Fort Lauderdale to Austin flights
Orlando to Love Field flights
Miami to Love Field flights
West Palm Beach to Hobby flights
Jacksonville to Hobby flights
West Palm Beach to San Antonio flights
Orlando to San Antonio flights
West Palm Beach to George Bush Intcntl flights
Fort Lauderdale to Love Field flights
Fort Lauderdale to San Antonio flights
Jacksonville to George Bush Intcntl flights
Pensacola to Hobby flights
West Palm Beach to Austin flights
Tampa to Love Field flights
Fort Myers to Dallas/Fort Worth flights
Fort Myers to Hobby flights
Pensacola to Dallas/Fort Worth flights
Jacksonville to Austin flights
Jacksonville to Love Field flights
Pensacola to George Bush Intcntl flights
Tampa to San Antonio flights
Sarasota to Dallas/Fort Worth flights
Fort Myers to George Bush Intcntl flights
Valparaiso to Dallas/Fort Worth flights
Tallahassee to Dallas/Fort Worth flights
West Palm Beach to Love Field flights
Jacksonville to San Antonio flights
Sarasota to Austin flights
Sarasota to Hobby flights
Panama City to Dallas/Fort Worth flights
Fort Myers to Love Field flights
Fort Myers to Austin flights

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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$144FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$69Average$161FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$132Average$306FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$150Average$338FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$154Average$320FlexibilityNo cancel feeOn-time71%
DeltaCheapest$227Average$416FlexibilityNo 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.