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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 2/14. 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

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Spirit Airlines Logo
5:45 am - 1:30 pmIAH-EYW
6h 45m1 stop
Spirit Airlines Logo
12:15 pm - 8:28 pmEYW-IAH
9h 13m1 stop
$174Spirit Airlines
Find Deal
Mon, Jan 26 - Sun, Feb 1
Spirit Airlines Logo
7:25 pm - 11:20 amIAH-EYW
14h 55m1 stop
Spirit Airlines Logo
2:30 pm - 6:08 pmEYW-IAH
4h 38m1 stop
$187Spirit Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Multiple Airlines Logo
8:17 pm - 12:26 pmIAH-EYW
15h 09m1 stop
Multiple Airlines Logo
12:15 pm - 11:59 pmEYW-IAH
12h 44m1 stop
$198Multiple Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 31
Multiple Airlines Logo
8:07 pm - 8:15 amIAH-EYW
11h 08m1 stop
Multiple Airlines Logo
8:55 am - 6:34 pmEYW-IAH
10h 39m1 stop
$202Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Multiple Airlines Logo
1:21 pm - 3:02 pmIAH-EYW
24h 41m1 stop
Multiple Airlines Logo
2:25 pm - 8:40 amEYW-IAH
19h 15m1 stop
$203Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Spirit Airlines Logo
6:55 pm - 11:20 amIAH-EYW
15h 25m1 stop
Spirit Airlines Logo
2:25 pm - 8:40 amEYW-IAH
19h 15m1 stop
$207Spirit Airlines
Find Deal
Mon, Jan 5 - Mon, Jan 12
Delta Logo
2:32 pm - 8:06 pmHOU-EYW
4h 34m1 stop
Delta Logo
6:10 pm - 10:33 pmEYW-HOU
5h 23m1 stop
$249Delta
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Wed, Dec 10 - Sat, Dec 13
Delta Logo
11:09 am - 7:40 pmHOU-EYW
7h 31m1 stop
Delta Logo
6:06 pm - 10:33 pmEYW-HOU
5h 27m1 stop
$304Delta
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Wed, Jan 21 - Sun, Jan 25
American Airlines Logo
9:05 am - 4:05 pmHOU-EYW
6h 00m1 stop
American Airlines Logo
3:48 pm - 8:02 pmEYW-HOU
5h 14m1 stop
$319American Airlines
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Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
10:35 am - 4:24 pmHOU-EYW
4h 49m1 stop
American Airlines Logo
5:15 pm - 10:46 pmEYW-HOU
6h 31m1 stop
$324American Airlines
Find Deal
Sun, Jan 18 - Wed, Jan 21

Spirit Airlines flights from Houston to Key West

Our best Spirit Airlines deals on Houston to Key West flight tickets
Spirit Airlines
Jan 26
IAH5:45 amHouston George Bush Intcntl
6h 45m
1 stop
EYW1:30 pmKey West
Feb 1
EYW12:15 pmKey West
9h 13m
1 stop
IAH8:28 pmHouston George Bush Intcntl
$174
Find similar
Spirit Airlines
Dec 10
IAH7:25 pmHouston George Bush Intcntl
14h 55m
1 stop
EYW11:20 amKey West
Dec 13
EYW2:30 pmKey West
4h 38m
1 stop
IAH6:08 pmHouston George Bush Intcntl
$187
Find similar
Spirit Airlines
Jan 26
IAH5:45 amHouston George Bush Intcntl
6h 45m
1 stop
EYW1:30 pmKey West
Feb 1
EYW12:15 pmKey West
23h 18m
2 stops
IAH10:33 amHouston George Bush Intcntl
$207
Find similar

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Feb 21
IAH4:11 pmHouston George Bush Intcntl
5h 48m
1 stop
EYW10:59 pmKey West
Feb 25
EYW2:40 pmKey West
5h 21m
1 stop
IAH7:01 pmHouston George Bush Intcntl
$249
Find similar
American Airlines
Jan 18
IAH8:00 amHouston George Bush Intcntl
7h 24m
1 stop
EYW4:24 pmKey West
Jan 21
EYW12:00 pmKey West
6h 43m
1 stop
IAH5:43 pmHouston George Bush Intcntl
$250
Find similar
American Airlines
Feb 21
IAH10:00 amHouston George Bush Intcntl
5h 37m
1 stop
EYW4:37 pmKey West
Feb 25
EYW7:00 amKey West
9h 13m
2 stops
IAH3:13 pmHouston George Bush Intcntl
$254
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 November 20, 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

Mon 1/26

5:45 am-1:30 pm

1 stop6h 45m

Key West

Sun 2/1

12:15 pm-8:28 pm

1 stop9h 13m

$174

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/10

7:25 pm-11:20 am

1 stop14h 55m

Key West

Sat 12/13

2:30 pm-6:08 pm

1 stop4h 38m

$187

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sun 3/1

8:17 pm-12:26 pm

1 stop15h 09m

Key West

Tue 3/31

12:15 pm-11:59 pm

1 stop12h 44m

$198

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 12/4

8:07 pm-8:15 am

1 stop11h 08m

Key West

Sun 12/7

8:55 am-6:34 pm

1 stop10h 39m

$202

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 1/8

1:21 pm-3:02 pm

1 stop24h 41m

Key West

Mon 1/12

2:25 pm-8:40 am

1 stop19h 15m

$203

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 1/5

6:55 pm-11:20 am

1 stop15h 25m

Key West

Mon 1/12

2:25 pm-8:40 am

1 stop19h 15m

$207

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 12/10

2:32 pm-8:06 pm

1 stop4h 34m

Key West

Sat 12/13

6:10 pm-10:33 pm

1 stop5h 23m

$249

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 1/21

11:09 am-7:40 pm

1 stop7h 31m

Key West

Sun 1/25

6:06 pm-10:33 pm

1 stop5h 27m

$304

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 3/10

9:05 am-4:05 pm

1 stop6h 00m

Key West

Tue 3/17

3:48 pm-8:02 pm

1 stop5h 14m

$319

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sun 1/18

10:35 am-4:24 pm

1 stop4h 49m

Key West

Wed 1/21

5:15 pm-10:46 pm

1 stop6h 31m

$324

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 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 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 $390 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 42m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Key West

1 airport
The fastest flight from Houston to Key West takes 2h 42m
Direct flights go from Houston to Key West on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Key West: Key West (EYW)
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  • 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 42m.

  • 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
9,029 reviews
Search United Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $230Free CancellationRating
7.2
11,047 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

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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