Cheap flights from Houston to Key West from $119
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Key West departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Houston to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Key West?
In general, September is the cheapest month to fly from Houston to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $303. If you are unable to visit Key West during the month of September, then departing from Houston during the month November is also very affordable. Most momondo users find prices during this month for around $306.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from Houston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $302. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Key West for around $492.
What is the cheapest time of day to depart on your flight to Key West?
According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Houston to Key West at noon for as low as $327. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the evening, with an average ticket price of $1,010. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Houston to Key West flight route?
Fly from Houston George Bush Intcntl to Key West for the best Houston - Key West flight prices
How far in advance should I book a flight to Key West?
You are more likely to see cheaper flights to Key West from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Houston for as low as $306 on momondo.
What cabin class options are available on Houston to Key West flights?
There are 2 cabin classes available to choose from on Houston to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Houston to Key West?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Houston to Key West
What airlines fly to Key West?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Key West from Houston according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
Cheap Houston to Key West flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston to Key West
How far is Houston to Key West by plane?
A flight from Houston to Key West will travel around 906.7 mi. By plane, this route typically takes 4h 23m.
When did momondo last update prices for flights from Houston to Key West Airport?
Prices for flights from Houston to Key West Airport refresh daily.
How many operators does momondo search for flights from Houston to Key West Airport?
As of July 2025, there are 3 operators available to choose from for flights from Houston to Key West Airport.
How old do you have to be to fly from Houston to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Houston to Key West
Compare and see reviews for airlines that fly from Houston to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $208 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $219 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $229 | Free Cancellation | Rating 7.4 8,861 reviews |
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Houston to Key West?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Key West. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Houston to Key West with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Houston to Key West flights to just show those with flexible booking policies.
How can momondo help me find flights from Houston to Key West?
Once you have performed a search for Houston to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Houston to Key West right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Houston to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.