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Cheap flights from Houston to Key West from $115

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 9/12. 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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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
5:45 am - 1:30 pmIAH-EYW
6h 45m1 stop
Spirit Airlines Logo
2:25 pm - 11:30 pmEYW-IAH
10h 05m1 stop
$229Spirit Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
American Airlines Logo
10:11 am - 4:16 pmHOU-EYW
5h 05m1 stop
American Airlines Logo
2:39 pm - 8:20 pmEYW-HOU
6h 41m1 stop
$249American Airlines
Find Deal
sáb., nov. 15 - mié., nov. 19
American Airlines Logo
7:25 am - 12:55 pmIAH-EYW
4h 30m1 stop
American Airlines Logo
7:52 pm - 12:35 amEYW-IAH
5h 43m1 stop
$249American Airlines
Find Deal
mar., oct. 7 - sáb., oct. 11
American Airlines Logo
7:00 am - 5:16 pmIAH-EYW
9h 16m2 stops
American Airlines Logo
7:52 pm - 12:35 amEYW-IAH
5h 43m1 stop
$254American Airlines
Find Deal
mar., oct. 7 - sáb., oct. 11
Logo
5:48 pm - 2:40 pmIAH-EYW
19h 52m1 stop
Logo
10:02 am - 10:35 pmEYW-IAH
13h 33m2 stops
$257
Find Deal
sáb., oct. 4 - mié., oct. 8
Logo
8:14 pm - 9:02 amIAH-EYW
11h 48m1 stop
Logo
3:44 pm - 9:26 amEYW-IAH
18h 42m1 stop
$258
Find Deal
vie., sep. 5 - lun., sep. 8
United Airlines Logo
12:09 pm - 4:01 pmIAH-EYW
2h 52mnonstop
United Airlines Logo
4:53 pm - 7:06 pmEYW-IAH
3h 13mnonstop
$277United Airlines
Find Deal
dom., feb. 8 - jue., feb. 12
Delta Logo
6:00 am - 1:05 pmHOU-EYW
6h 05m1 stop
Delta Logo
6:20 pm - 10:31 pmEYW-HOU
5h 11m1 stop
$309Delta
Find Deal
mar., sep. 2 - sáb., sep. 6
Delta Logo
10:44 am - 5:15 pmHOU-EYW
5h 31m1 stop
Delta Logo
6:10 pm - 10:37 pmEYW-HOU
5h 27m1 stop
$354Delta
Find Deal
mar., sep. 16 - sáb., sep. 20
United Airlines Logo
12:09 pm - 4:01 pmIAH-EYW
2h 52mnonstop
United Airlines Logo
4:05 pm - 10:44 pmEYW-IAH
7h 39m1 stop
$407United Airlines
Find Deal
dom., feb. 8 - jue., feb. 12

Spirit Airlines flights from Houston to Key West

Our best Spirit Airlines deals on Houston to Key West flight tickets
Spirit Airlines
Dec 4
IAH5:45 amHouston George Bush Intcntl
6h 45m
1 stop
EYW1:30 pmKey West
Dec 8
EYW2:25 pmKey West
10h 05m
1 stop
IAH11:30 pmHouston George Bush Intcntl
$229
Find similar
Spirit Airlines
Dec 11
IAH5:45 amHouston George Bush Intcntl
6h 45m
1 stop
EYW1:30 pmKey West
Dec 14
EYW2:25 pmKey West
7h 08m
1 stop
IAH8:33 pmHouston George Bush Intcntl
$263
Find similar

United Airlines flights from Houston to Key West

Our best United Airlines deals on Houston to Key West flight tickets
United Airlines
Feb 8
IAH12:09 pmHouston George Bush Intcntl
2h 52m
EYW4:01 pmKey West
Feb 12
EYW4:53 pmKey West
3h 13m
IAH7:06 pmHouston George Bush Intcntl
$277
Find similar
United Airlines
Feb 8
IAH12:09 pmHouston George Bush Intcntl
2h 52m
EYW4:01 pmKey West
Feb 12
EYW4:05 pmKey West
7h 39m
1 stop
IAH10:44 pmHouston George Bush Intcntl
$407
Find similar

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 agosto 18, 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

jue. 12/4

5:45 am-1:30 pm

1 stop6h 45m

Key West

lun. 12/8

2:25 pm-11:30 pm

1 stop10h 05m

$229

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

sáb. 11/15

10:11 am-4:16 pm

1 stop5h 05m

Key West

mié. 11/19

2:39 pm-8:20 pm

1 stop6h 41m

$249

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

mar. 10/7

7:25 am-12:55 pm

1 stop4h 30m

Key West

sáb. 10/11

7:52 pm-12:35 am

1 stop5h 43m

$249

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

mar. 10/7

7:00 am-5:16 pm

2 stops9h 16m

Key West

sáb. 10/11

7:52 pm-12:35 am

1 stop5h 43m

$254

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

sáb. 10/4

5:48 pm-2:40 pm

1 stop19h 52m

Key West

mié. 10/8

10:02 am-10:35 pm

2 stops13h 33m

$257

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

vie. 9/5

8:14 pm-9:02 am

1 stop11h 48m

Key West

lun. 9/8

3:44 pm-9:26 am

1 stop18h 42m

$258

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

dom. 2/8

12:09 pm-4:01 pm

Nonstop2h 52m

Key West

jue. 2/12

4:53 pm-7:06 pm

Nonstop3h 13m

$277

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

mar. 9/2

6:00 am-1:05 pm

1 stop6h 05m

Key West

sáb. 9/6

6:20 pm-10:31 pm

1 stop5h 11m

$309

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

mar. 9/16

10:44 am-5:15 pm

1 stop5h 31m

Key West

sáb. 9/20

6:10 pm-10:37 pm

1 stop5h 27m

$354

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

dom. 2/8

12:09 pm-4:01 pm

Nonstop2h 52m

Key West

jue. 2/12

4:05 pm-10:44 pm

1 stop7h 39m

$407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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, November 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 $306. If you are unable to visit Key West during the month of November, then departing from Houston during the month July is also very affordable. Most momondo users find prices during this month for around $329.

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 $402 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 $313 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

Best Price Found

$115

Fastest flight time

2h 52m

Direct flights

Mon, Fri, Sat and Sun

Airports in Key West

1 airport
The best one-way flight to Key West from Houston in the past 72 hours is $115. The best round-trip flight deal from Houston to Key West found on momondo in the last 72 hours is $229.
The fastest flight from Houston to Key West takes 2h 52m
Direct flights go from Houston to Key West on Monday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport near Key West: 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 52m.

  • 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
DeltaPriceFrom $220Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $229Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $229Free CancellationRating
7.4
8,925 reviews
Search United 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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