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Cheap flights from Houston to Key West from $144

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 6/23. 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
1 adult, Economy, 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
1:16 pm - 2:37 pm
IAH
-
EYW
24h 21m
1 stop
Multiple Airlines Logo
3:27 pm - 8:45 am
EYW
-
IAH
18h 18m
1 stop
$239Multiple Airlines
Thu, Jul 30 - Mon, Aug 3
Multiple Airlines Logo
7:23 pm - 2:37 pm
IAH
-
EYW
18h 14m
1 stop
Multiple Airlines Logo
3:27 pm - 10:03 am
EYW
-
IAH
19h 36m
2 stops
$242Multiple Airlines
Thu, Jul 30 - Mon, Aug 3
Multiple Airlines Logo
7:23 pm - 2:37 pm
IAH
-
EYW
18h 14m
1 stop
Multiple Airlines Logo
3:27 pm - 10:03 am
EYW
-
IAH
19h 36m
2 stops
$257Multiple Airlines
Thu, Jul 30 - Mon, Aug 3
Multiple Airlines Logo
7:23 pm - 11:25 am
IAH
-
EYW
15h 02m
1 stop
Multiple Airlines Logo
12:07 pm - 8:47 am
EYW
-
IAH
21h 40m
1 stop
$267Multiple Airlines
Wed, Aug 12 - Mon, Aug 17
American Airlines Logo
9:04 am - 4:18 pm
IAH
-
EYW
6h 14m
1 stop
American Airlines Logo
11:30 am - 5:33 pm
EYW
-
IAH
7h 03m
1 stop
$281American Airlines
Sat, Aug 15 - Tue, Aug 18
Delta Logo
12:55 pm - 7:51 pm
HOU
-
EYW
5h 56m
1 stop
Delta Logo
7:50 am - 12:10 pm
EYW
-
HOU
5h 20m
1 stop
$310Delta
Tue, Jul 14 - Tue, Jul 21
Delta Logo
10:50 am - 7:54 pm
HOU
-
EYW
8h 04m
1 stop
Delta Logo
7:40 am - 12:16 pm
EYW
-
HOU
5h 36m
1 stop
$320Delta
Thu, Aug 20 - Tue, Aug 25
Delta Logo
10:40 am - 5:23 pm
HOU
-
EYW
5h 43m
1 stop
Delta Logo
11:56 am - 4:22 pm
EYW
-
HOU
5h 26m
1 stop
$349Delta
Fri, Jul 24 - Wed, Jul 29
Delta Logo
12:55 pm - 7:51 pm
HOU
-
EYW
5h 56m
1 stop
Delta Logo
7:50 am - 12:10 pm
EYW
-
HOU
5h 20m
1 stop
$356Delta
Wed, Jul 8 - Wed, Jul 15
American Airlines Logo
9:05 am - 4:29 pm
HOU
-
EYW
6h 24m
1 stop
American Airlines Logo
2:31 pm - 7:47 pm
EYW
-
HOU
6h 16m
1 stop
$409American Airlines
Tue, Dec 1 - Sat, Dec 5

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Aug 15
IAH9:04 amHouston George Bush Intcntl
6h 14m
1 stop
EYW4:18 pmKey West
Aug 18
EYW7:03 pmKey West
5h 56m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$281
American Airlines
Aug 1
IAH10:18 amHouston George Bush Intcntl
7h 30m
1 stop
EYW6:48 pmKey West
Aug 4
EYW7:40 pmKey West
5h 19m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$317
American Airlines
Jun 22
IAH11:20 amHouston George Bush Intcntl
6h 50m
1 stop
EYW7:10 pmKey West
Jun 30
EYW2:21 pmKey West
6h 26m
1 stop
IAH7:47 pmHouston George Bush Intcntl
$322

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Jul 14
HOU12:55 pmHouston Hobby
5h 56m
1 stop
EYW7:51 pmKey West
Jul 21
EYW7:50 amKey West
5h 20m
1 stop
HOU12:10 pmHouston Hobby
$310
Delta
Aug 20
HOU10:50 amHouston Hobby
8h 04m
1 stop
EYW7:54 pmKey West
Aug 25
EYW7:40 amKey West
5h 36m
1 stop
HOU12:16 pmHouston Hobby
$320
Delta
Oct 17
IAH11:50 amHouston George Bush Intcntl
6h 53m
1 stop
EYW7:43 pmKey West
Oct 23
EYW7:00 amKey West
12h 17m
2 stops
IAH6:17 pmHouston George Bush Intcntl
$325

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 June 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

Cheapest round-trip

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

1:16 pm-2:37 pm

1 stop24h 21m

Key West

Mon 8/3

3:27 pm-8:45 am

1 stop18h 18m

$239

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

7:23 pm-2:37 pm

1 stop18h 14m

Key West

Mon 8/3

3:27 pm-10:03 am

2 stops19h 36m

$242

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

7:23 pm-2:37 pm

1 stop18h 14m

Key West

Mon 8/3

3:27 pm-10:03 am

2 stops19h 36m

$257

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 8/12

7:23 pm-11:25 am

1 stop15h 02m

Key West

Mon 8/17

12:07 pm-8:47 am

1 stop21h 40m

$267

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

9:04 am-4:18 pm

1 stop6h 14m

Key West

Tue 8/18

11:30 am-5:33 pm

1 stop7h 03m

$281

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 7/14

12:55 pm-7:51 pm

1 stop5h 56m

Key West

Tue 7/21

7:50 am-12:10 pm

1 stop5h 20m

$310

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Thu 8/20

10:50 am-7:54 pm

1 stop8h 04m

Key West

Tue 8/25

7:40 am-12:16 pm

1 stop5h 36m

$320
Quickest round-trip

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 7/24

10:40 am-5:23 pm

1 stop5h 43m

Key West

Wed 7/29

11:56 am-4:22 pm

1 stop5h 26m

$349

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 7/8

12:55 pm-7:51 pm

1 stop5h 56m

Key West

Wed 7/15

7:50 am-12:10 pm

1 stop5h 20m

$356

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 12/1

9:05 am-4:29 pm

1 stop6h 24m

Key West

Sat 12/5

2:31 pm-7:47 pm

1 stop6h 16m

$409

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, August 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 $217. If you are unable to visit Key West during the month of August, then departing from Houston during the month December is also very affordable. Most momondo users find prices during this month for around $218.

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 $354 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.

What cabin class options are available on Houston to Key West flights?

There is only 1 cabin class 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

5h 28m

Direct flights

None
The fastest flight from Houston to Key West takes 5h 28m
There are no direct flights from Houston to Key West. There are no popular flight routes from Houston to Key West.
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 5h 28m.

  • 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
7.8
8,395 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,773 reviews
Search United Airlines flights
American AirlinesPriceFrom $247Free CancellationRating
7.1
11,641 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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