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Cheap flights from Houston to Key West from $89

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 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:41 pm - 9:37 pm
IAH
-
EYW
7h 56m1 stop
Multiple Airlines Logo
1:06 pm - 9:00 am
EYW
-
IAH
20h 54m1 stop
$174Multiple Airlines
Sun, Jan 18 - Fri, Jan 23
Spirit Airlines Logo
5:46 am - 11:56 am
IAH
-
EYW
5h 10m1 stop
Spirit Airlines Logo
12:51 pm - 8:23 pm
EYW
-
IAH
8h 32m1 stop
$183Spirit Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
3:00 pm - 9:06 am
IAH
-
EYW
17h 06m1 stop
Multiple Airlines Logo
12:51 pm - 8:40 am
EYW
-
IAH
20h 49m1 stop
$190Multiple Airlines
Wed, Feb 4 - Sun, Feb 8
Spirit Airlines Logo
5:46 am - 11:56 am
IAH
-
EYW
5h 10m1 stop
Spirit Airlines Logo
2:25 pm - 8:23 pm
EYW
-
IAH
6h 58m1 stop
$195Spirit Airlines
Thu, Feb 5 - Mon, Feb 23
Multiple Airlines Logo
5:46 am - 1:30 pm
IAH
-
EYW
6h 44m1 stop
Multiple Airlines Logo
1:06 pm - 11:11 am
EYW
-
IAH
23h 05m1 stop
$202Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
4:35 pm - 9:06 am
IAH
-
EYW
15h 31m2 stops
Multiple Airlines Logo
12:51 pm - 8:40 am
EYW
-
IAH
20h 49m1 stop
$211Multiple Airlines
Wed, Feb 4 - Sun, Feb 8
Delta Logo
11:44 am - 7:41 pm
HOU
-
EYW
6h 57m1 stop
Delta Logo
6:25 pm - 10:42 pm
EYW
-
HOU
5h 17m1 stop
$249Delta
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
12:18 pm - 10:18 pm
HOU
-
EYW
9h 00m2 stops
American Airlines Logo
2:40 pm - 7:50 pm
EYW
-
HOU
6h 10m1 stop
$254American Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
5:25 am - 10:59 am
HOU
-
EYW
4h 34m1 stop
Delta Logo
5:56 pm - 10:28 pm
EYW
-
HOU
5h 32m1 stop
$274Delta
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
12:47 pm - 9:47 pm
HOU
-
EYW
8h 00m2 stops
American Airlines Logo
5:15 pm - 10:46 pm
EYW
-
HOU
6h 31m1 stop
$304American Airlines
Tue, Jan 13 - Sat, Jan 17

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Key West 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, momondo users made 832,500 searches. Data last updated December 29, 2025.
Use the filters below to find and compare flights from Houston to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sun 1/18

12:41 pm-9:37 pm

1 stop7h 56m

Key West

Fri 1/23

1:06 pm-9:00 am

1 stop20h 54m

$174

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sun 2/1

5:46 am-11:56 am

1 stop5h 10m

Key West

Thu 2/5

12:51 pm-8:23 pm

1 stop8h 32m

$183

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 2/4

3:00 pm-9:06 am

1 stop17h 06m

Key West

Sun 2/8

12:51 pm-8:40 am

1 stop20h 49m

$190

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 2/5

5:46 am-11:56 am

1 stop5h 10m

Key West

Mon 2/23

2:25 pm-8:23 pm

1 stop6h 58m

$195

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Fri 1/23

5:46 am-1:30 pm

1 stop6h 44m

Key West

Mon 1/26

1:06 pm-11:11 am

1 stop23h 05m

$202

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 2/4

4:35 pm-9:06 am

2 stops15h 31m

Key West

Sun 2/8

12:51 pm-8:40 am

1 stop20h 49m

$211

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 3/10

11:44 am-7:41 pm

1 stop6h 57m

Key West

Tue 3/17

6:25 pm-10:42 pm

1 stop5h 17m

$249

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 3/10

12:18 pm-10:18 pm

2 stops9h 00m

Key West

Tue 3/17

2:40 pm-7:50 pm

1 stop6h 10m

$254

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 2/21

5:25 am-10:59 am

1 stop4h 34m

Key West

Wed 2/25

5:56 pm-10:28 pm

1 stop5h 32m

$274

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 1/13

12:47 pm-9:47 pm

2 stops8h 00m

Key West

Sat 1/17

5:15 pm-10:46 pm

1 stop6h 31m

$304

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

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 typical price of a round-trip flight between Houston and Key West?

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 $283. If you are unable to visit Key West during the month of September, then departing from Houston during the month April is also very affordable. Most momondo users find prices during this month for around $299.

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 $370 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 $325 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.

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

Fastest flight time

2h 47m

Direct flights

Fri, Sat and Sun

Airports in Key West

1 airport
The fastest flight from Houston to Key West takes 2h 47m
Direct flights go from Houston to Key West on Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Key West. From Houston there are direct flights to Key West (EYW).
Search flight deals

  • 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 2h 47m.

  • 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?

  • 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
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,120 reviews
Search United Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why 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.

An easier way to manage your Key West trip

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