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Cheap flights from Houston to Key West from $102

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 3/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:15 pm - 9:06 am
IAH
-
EYW
10h 51m
1 stop
Multiple Airlines Logo
11:51 am - 8:38 am
EYW
-
IAH
21h 47m
1 stop
$188Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
4:11 pm - 11:11 am
IAH
-
EYW
18h 00m
1 stop
Multiple Airlines Logo
1:06 pm - 7:29 am
EYW
-
IAH
19h 23m
1 stop
$199Multiple Airlines
Tue, Mar 24 - Fri, Mar 27
Multiple Airlines Logo
9:15 pm - 11:11 am
IAH
-
EYW
12h 56m
1 stop
Multiple Airlines Logo
1:06 pm - 7:29 am
EYW
-
IAH
19h 23m
1 stop
$200Multiple Airlines
Tue, Mar 24 - Fri, Mar 27
Delta Logo
6:00 am - 12:23 pm
HOU
-
EYW
5h 23m
1 stop
Delta Logo
7:00 am - 12:04 pm
EYW
-
HOU
6h 04m
1 stop
$249Delta
Sat, Aug 15 - Tue, Aug 18
Delta Logo
6:00 am - 12:23 pm
HOU
-
EYW
5h 23m
1 stop
Delta Logo
7:00 am - 12:04 pm
EYW
-
HOU
6h 04m
1 stop
$274Delta
Sat, Aug 15 - Tue, Aug 18
Delta Logo
11:33 am - 7:41 pm
HOU
-
EYW
7h 08m
1 stop
Delta Logo
6:25 pm - 10:42 pm
EYW
-
HOU
5h 17m
1 stop
$304Delta
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
12:42 pm - 10:58 pm
HOU
-
EYW
9h 16m
2 stops
American Airlines Logo
2:29 pm - 7:51 pm
EYW
-
HOU
6h 22m
1 stop
$322American Airlines
Mon, Apr 27 - Fri, May 1
American Airlines Logo
9:57 am - 6:49 pm
HOU
-
EYW
7h 52m
1 stop
American Airlines Logo
4:20 pm - 11:47 pm
EYW
-
HOU
8h 27m
2 stops
$349American Airlines
Sun, May 10 - Wed, May 20
American Airlines Logo
8:51 am - 6:39 pm
HOU
-
EYW
8h 48m
2 stops
American Airlines Logo
3:00 pm - 11:46 pm
EYW
-
HOU
9h 46m
2 stops
$364American Airlines
Sat, Aug 15 - Tue, Aug 18
American Airlines Logo
12:42 pm - 10:58 pm
HOU
-
EYW
9h 16m
2 stops
American Airlines Logo
7:30 pm - 11:47 pm
EYW
-
HOU
5h 17m
1 stop
$383American Airlines
Wed, Apr 22 - Sun, Apr 26

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Aug 15
IAH7:15 amHouston George Bush Intcntl
8h 05m
1 stop
EYW4:20 pmKey West
Aug 18
EYW3:00 pmKey West
9h 54m
2 stops
IAH11:54 pmHouston George Bush Intcntl
$254
American Airlines
Mar 26
IAH10:01 amHouston George Bush Intcntl
5h 48m
1 stop
EYW4:49 pmKey West
Apr 2
EYW7:42 pmKey West
5h 15m
1 stop
IAH11:57 pmHouston George Bush Intcntl
$274
American Airlines
May 1
IAH3:22 pmHouston George Bush Intcntl
6h 14m
1 stop
EYW10:36 pmKey West
May 6
EYW6:45 amKey West
10h 06m
2 stops
IAH3:51 pmHouston George Bush Intcntl
$279

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Aug 15
IAH5:55 amHouston George Bush Intcntl
5h 28m
1 stop
EYW12:23 pmKey West
Aug 18
EYW7:00 amKey West
6h 07m
1 stop
IAH12:07 pmHouston George Bush Intcntl
$249
Delta
Aug 15
HOU6:00 amHouston Hobby
5h 23m
1 stop
EYW12:23 pmKey West
Aug 18
EYW7:00 amKey West
6h 04m
1 stop
HOU12:04 pmHouston Hobby
$274
Delta
Mar 25
HOU11:33 amHouston Hobby
7h 08m
1 stop
EYW7:41 pmKey West
Apr 1
EYW6:25 pmKey West
5h 17m
1 stop
HOU10:42 pmHouston Hobby
$304

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 February 27, 2026.
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

Wed 3/25

9:15 pm-9:06 am

1 stop10h 51m

Key West

Wed 4/1

11:51 am-8:38 am

1 stop21h 47m

$188

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Tue 3/24

4:11 pm-11:11 am

1 stop18h 00m

Key West

Fri 3/27

1:06 pm-7:29 am

1 stop19h 23m

$199

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Tue 3/24

9:15 pm-11:11 am

1 stop12h 56m

Key West

Fri 3/27

1:06 pm-7:29 am

1 stop19h 23m

$200

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 8/15

6:00 am-12:23 pm

1 stop5h 23m

Key West

Tue 8/18

7:00 am-12:04 pm

1 stop6h 04m

$249

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 8/15

6:00 am-12:23 pm

1 stop5h 23m

Key West

Tue 8/18

7:00 am-12:04 pm

1 stop6h 04m

$274

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 3/25

11:33 am-7:41 pm

1 stop7h 08m

Key West

Wed 4/1

6:25 pm-10:42 pm

1 stop5h 17m

$304

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Mon 4/27

12:42 pm-10:58 pm

2 stops9h 16m

Key West

Fri 5/1

2:29 pm-7:51 pm

1 stop6h 22m

$322

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sun 5/10

9:57 am-6:49 pm

1 stop7h 52m

Key West

Wed 5/20

4:20 pm-11:47 pm

2 stops8h 27m

$349

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 8/15

8:51 am-6:39 pm

2 stops8h 48m

Key West

Tue 8/18

3:00 pm-11:46 pm

2 stops9h 46m

$364

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 4/22

12:42 pm-10:58 pm

2 stops9h 16m

Key West

Sun 4/26

7:30 pm-11:47 pm

1 stop5h 17m

$383

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 $287. If you are unable to visit Key West during the month of September, then departing from Houston during the month February is also very affordable. Most momondo users find prices during this month for around $293.

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 $360 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.

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

Mon, Tue, 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 Monday, Tuesday, Thursday, 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 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
DeltaPriceFrom $220Free CancellationRating
7.9
8,242 reviews
Search Delta flights
American AirlinesPriceFrom $233Free CancellationRating
7.2
11,357 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,349 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

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