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Cheap flights from Houston to Key West from $141

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 5/12. 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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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
7:44 pm - 1:07 pm
IAH
-
EYW
16h 23m
1 stop
Multiple Airlines Logo
12:01 pm - 9:00 am
EYW
-
IAH
21h 59m
2 stops
$234Multiple Airlines
Sat, May 16 - Mon, May 18
Multiple Airlines Logo
1:29 pm - 11:25 am
IAH
-
EYW
20h 56m
1 stop
Multiple Airlines Logo
11:46 am - 7:34 am
EYW
-
IAH
20h 48m
2 stops
$237Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
7:33 pm - 11:25 am
IAH
-
EYW
14h 52m
1 stop
Multiple Airlines Logo
11:46 am - 3:03 pm
EYW
-
IAH
28h 17m
2 stops
$243Multiple Airlines
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
7:28 pm - 11:27 am
IAH
-
EYW
14h 59m
1 stop
Multiple Airlines Logo
1:14 pm - 7:34 am
EYW
-
IAH
19h 20m
2 stops
$250Multiple Airlines
Sun, May 24 - Tue, Jun 2
Multiple Airlines Logo
7:33 pm - 11:25 am
IAH
-
EYW
14h 52m
1 stop
Multiple Airlines Logo
12:00 pm - 7:34 am
EYW
-
IAH
44h 34m
2 stops
$252Multiple Airlines
Sat, May 23 - Thu, May 28
Delta Logo
10:05 am - 5:14 pm
HOU
-
EYW
6h 09m
1 stop
Delta Logo
2:35 pm - 9:35 pm
EYW
-
HOU
8h 00m
1 stop
$309Delta
Sat, Aug 15 - Tue, Aug 18
Delta Logo
10:05 am - 5:14 pm
HOU
-
EYW
6h 09m
1 stop
Delta Logo
7:00 am - 12:04 pm
EYW
-
HOU
6h 04m
1 stop
$323Delta
Sat, Aug 15 - Tue, Aug 18
Delta Logo
6:00 am - 2:35 pm
HOU
-
EYW
7h 35m
1 stop
Delta Logo
7:30 am - 12:11 pm
EYW
-
HOU
5h 41m
1 stop
$334Delta
Sat, May 16 - Mon, May 18
Delta Logo
10:27 am - 5:23 pm
HOU
-
EYW
5h 56m
1 stop
Delta Logo
7:30 am - 12:11 pm
EYW
-
HOU
5h 41m
1 stop
$341Delta
Sat, May 16 - Wed, May 20
Allegiant Air Logo
3:58 pm - 3:45 pm
HOU
-
EYW
22h 47m
2 stops
Allegiant Air Logo
10:31 am - 7:13 pm
EYW
-
HOU
9h 42m
1 stop
$343Allegiant Air
Fri, Aug 7 - Mon, Aug 10

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Aug 15
HOU10:05 amHouston Hobby
6h 09m
1 stop
EYW5:14 pmKey West
Aug 18
EYW7:00 amKey West
6h 04m
1 stop
HOU12:04 pmHouston Hobby
$309
Delta
May 26
IAH12:04 pmHouston George Bush Intcntl
6h 45m
1 stop
EYW7:49 pmKey West
Jun 1
EYW7:30 amKey West
6h 44m
1 stop
IAH1:14 pmHouston George Bush Intcntl
$334
Delta
May 12
HOU6:00 amHouston Hobby
5h 27m
1 stop
EYW12:27 pmKey West
May 16
EYW11:48 amKey West
5h 21m
1 stop
HOU4:09 pmHouston Hobby
$359

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Aug 15
IAH8:19 amHouston George Bush Intcntl
10h 20m
2 stops
EYW7:39 pmKey West
Aug 18
EYW1:50 pmKey West
8h 42m
1 stop
IAH9:32 pmHouston George Bush Intcntl
$314
American Airlines
Aug 12
IAH9:04 amHouston George Bush Intcntl
9h 35m
2 stops
EYW7:39 pmKey West
Aug 15
EYW8:09 pmKey West
4h 50m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$339
American Airlines
Aug 22
IAH8:19 amHouston George Bush Intcntl
10h 20m
2 stops
EYW7:39 pmKey West
Aug 29
EYW2:30 pmKey West
8h 50m
2 stops
IAH10:20 pmHouston George Bush Intcntl
$344

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 April 28, 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

Cheapest round-trip

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 5/16

7:44 pm-1:07 pm

1 stop16h 23m

Key West

Mon 5/18

12:01 pm-9:00 am

2 stops21h 59m

$234

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 5/27

1:29 pm-11:25 am

1 stop20h 56m

Key West

Wed 6/3

11:46 am-7:34 am

2 stops20h 48m

$237

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 5/23

7:33 pm-11:25 am

1 stop14h 52m

Key West

Wed 5/27

11:46 am-3:03 pm

2 stops28h 17m

$243

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sun 5/24

7:28 pm-11:27 am

1 stop14h 59m

Key West

Tue 6/2

1:14 pm-7:34 am

2 stops19h 20m

$250

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 5/23

7:33 pm-11:25 am

1 stop14h 52m

Key West

Thu 5/28

12:00 pm-7:34 am

2 stops44h 34m

$252

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 8/15

10:05 am-5:14 pm

1 stop6h 09m

Key West

Tue 8/18

2:35 pm-9:35 pm

1 stop8h 00m

$309

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 8/15

10:05 am-5:14 pm

1 stop6h 09m

Key West

Tue 8/18

7:00 am-12:04 pm

1 stop6h 04m

$323

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 5/16

6:00 am-2:35 pm

1 stop7h 35m

Key West

Mon 5/18

7:30 am-12:11 pm

1 stop5h 41m

$334
Quickest round-trip

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 5/16

10:27 am-5:23 pm

1 stop5h 56m

Key West

Wed 5/20

7:30 am-12:11 pm

1 stop5h 41m

$341

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 8/7

3:58 pm-3:45 pm

2 stops22h 47m

Key West

Mon 8/10

10:31 am-7:13 pm

1 stop9h 42m

$343

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, May 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 $145. If you are unable to visit Key West during the month of May, then departing from Houston during the month July is also very affordable. Most momondo users find prices during this month for around $198.

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 from Houston 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 $366 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 $295 on momondo.

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

Mon, Wed, Thu, 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 Monday, Wednesday, 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

Frequently asked questions about flying from Houston to Key West

  • 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
DeltaPriceFrom $220Free CancellationRating
7.9
8,467 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,677 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,672 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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