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Cheap flights from Houston to Key West from $103

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 3/25. 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
9:03 pm - 10:21 am
IAH
-
EYW
12h 18m
1 stop
Multiple Airlines Logo
9:49 am - 8:08 pm
EYW
-
IAH
11h 19m
1 stop
$193Multiple Airlines
Sat, Mar 21 - Mon, Mar 23
Multiple Airlines Logo
9:03 pm - 9:43 pm
IAH
-
EYW
23h 40m
1 stop
Multiple Airlines Logo
1:01 pm - 10:24 am
EYW
-
IAH
22h 23m
2 stops
$200Multiple Airlines
Sat, Mar 14 - Tue, Apr 7
Multiple Airlines Logo
6:57 pm - 9:06 am
IAH
-
EYW
13h 09m
1 stop
Multiple Airlines Logo
11:46 am - 8:46 am
EYW
-
IAH
22h 00m
2 stops
$202Multiple Airlines
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
9:15 pm - 9:06 am
IAH
-
EYW
10h 51m
1 stop
Multiple Airlines Logo
11:51 am - 10:34 pm
EYW
-
IAH
11h 43m
1 stop
$206Multiple Airlines
Sat, Mar 28 - Wed, Apr 1
Multiple Airlines Logo
5:15 am - 10:21 am
IAH
-
EYW
28h 06m
2 stops
Multiple Airlines Logo
11:51 am - 10:34 pm
EYW
-
IAH
11h 43m
1 stop
$207Multiple Airlines
Sat, Mar 28 - Wed, Apr 1
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
$313American Airlines
Fri, May 8 - Sun, May 10
American Airlines Logo
10:14 am - 4:24 pm
HOU
-
EYW
5h 10m
1 stop
American Airlines Logo
2:29 pm - 7:51 pm
EYW
-
HOU
6h 22m
1 stop
$319American Airlines
Wed, Apr 1 - Wed, Apr 8
Allegiant Air Logo
7:01 pm - 3:46 pm
HOU
-
EYW
19h 45m
2 stops
Allegiant Air Logo
10:56 am - 5:54 pm
EYW
-
HOU
7h 58m
1 stop
$347Allegiant Air
Sun, May 31 - Thu, Jun 4
Delta Logo
1:31 pm - 7:40 pm
HOU
-
EYW
5h 09m
1 stop
Delta Logo
6:23 pm - 11:07 pm
EYW
-
HOU
5h 44m
1 stop
$354Delta
Thu, Apr 16 - Thu, Apr 23
Delta Logo
1:31 pm - 7:40 pm
HOU
-
EYW
5h 09m
1 stop
Delta Logo
6:23 pm - 11:07 pm
EYW
-
HOU
5h 44m
1 stop
$379Delta
Thu, Apr 16 - Thu, Apr 23

United Airlines flights from Houston to Key West

Our best United Airlines deals on Houston to Key West flight tickets
United Airlines
Mar 28
IAH12:00 pmHouston George Bush Intcntl
2h 42m
EYW3:42 pmKey West
Apr 1
EYW4:38 pmKey West
3h 18m
IAH6:56 pmHouston George Bush Intcntl
$266
United Airlines
Apr 1
IAH12:10 pmHouston George Bush Intcntl
2h 47m
EYW3:57 pmKey West
Apr 8
EYW4:38 pmKey West
3h 18m
IAH6:56 pmHouston George Bush Intcntl
$297
United Airlines
Mar 14
IAH12:00 pmHouston George Bush Intcntl
2h 42m
EYW3:42 pmKey West
Apr 7
EYW4:38 pmKey West
3h 18m
IAH6:56 pmHouston George Bush Intcntl
$372

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Aug 15
IAH6:32 amHouston George Bush Intcntl
6h 33m
1 stop
EYW2:05 pmKey West
Aug 18
EYW4:51 pmKey West
8h 03m
2 stops
IAH11:54 pmHouston George Bush Intcntl
$254
American Airlines
May 1
IAH6:00 amHouston George Bush Intcntl
8h 24m
1 stop
EYW3:24 pmKey West
May 8
EYW2:29 pmKey West
6h 51m
1 stop
IAH8:20 pmHouston George Bush Intcntl
$274
American Airlines
Aug 15
IAH6:32 amHouston George Bush Intcntl
11h 07m
2 stops
EYW6:39 pmKey West
Aug 18
EYW4:51 pmKey West
8h 03m
2 stops
IAH11:54 pmHouston George Bush Intcntl
$285

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 March 4, 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

Sat 3/21

9:03 pm-10:21 am

1 stop12h 18m

Key West

Mon 3/23

9:49 am-8:08 pm

1 stop11h 19m

$193

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 3/14

9:03 pm-9:43 pm

1 stop23h 40m

Key West

Tue 4/7

1:01 pm-10:24 am

2 stops22h 23m

$200

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 5/2

6:57 pm-9:06 am

1 stop13h 09m

Key West

Wed 5/6

11:46 am-8:46 am

2 stops22h 00m

$202

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 3/28

9:15 pm-9:06 am

1 stop10h 51m

Key West

Wed 4/1

11:51 am-10:34 pm

1 stop11h 43m

$206

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 3/28

5:15 am-10:21 am

2 stops28h 06m

Key West

Wed 4/1

11:51 am-10:34 pm

1 stop11h 43m

$207

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 5/8

12:42 pm-10:58 pm

2 stops9h 16m

Key West

Sun 5/10

7:30 pm-11:47 pm

1 stop5h 17m

$313

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 4/1

10:14 am-4:24 pm

1 stop5h 10m

Key West

Wed 4/8

2:29 pm-7:51 pm

1 stop6h 22m

$319

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sun 5/31

7:01 pm-3:46 pm

2 stops19h 45m

Key West

Thu 6/4

10:56 am-5:54 pm

1 stop7h 58m

$347

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Thu 4/16

1:31 pm-7:40 pm

1 stop5h 09m

Key West

Thu 4/23

6:23 pm-11:07 pm

1 stop5h 44m

$354

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Thu 4/16

1:31 pm-7:40 pm

1 stop5h 09m

Key West

Thu 4/23

6:23 pm-11:07 pm

1 stop5h 44m

$379

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
8,248 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,381 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,389 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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