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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 7/4. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:04 am - 4:18 pm
IAH
-
EYW
6h 14m
1 stop
American Airlines Logo
1:50 pm - 9:32 pm
EYW
-
IAH
8h 42m
1 stop
$281American Airlines
Sat, Aug 15 - Tue, Aug 18
Multiple Airlines Logo
7:23 pm - 11:27 am
IAH
-
EYW
15h 04m
1 stop
Multiple Airlines Logo
1:11 pm - 7:20 am
EYW
-
IAH
19h 09m
2 stops
$289Multiple Airlines
Thu, Jul 30 - Mon, Aug 3
Multiple Airlines Logo
8:16 am - 12:34 pm
IAH
-
EYW
27h 18m
2 stops
Multiple Airlines Logo
12:07 pm - 8:47 am
EYW
-
IAH
21h 40m
1 stop
$291Multiple Airlines
Mon, Aug 17 - Fri, Aug 21
Multiple Airlines Logo
7:23 pm - 11:27 am
IAH
-
EYW
15h 04m
1 stop
Multiple Airlines Logo
12:07 pm - 8:45 am
EYW
-
IAH
21h 38m
1 stop
$293Multiple Airlines
Thu, Jul 30 - Mon, Aug 3
Multiple Airlines Logo
1:16 pm - 11:27 am
IAH
-
EYW
21h 11m
1 stop
Multiple Airlines Logo
1:11 pm - 7:20 am
EYW
-
IAH
19h 09m
2 stops
$307Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
10:18 am - 6:48 pm
IAH
-
EYW
7h 30m
1 stop
American Airlines Logo
7:40 pm - 11:59 pm
EYW
-
IAH
5h 19m
1 stop
$317American Airlines
Sat, Aug 1 - Tue, Aug 4
Delta Logo
6:00 am - 1:23 pm
HOU
-
EYW
6h 23m
1 stop
Delta Logo
11:56 am - 4:22 pm
EYW
-
HOU
5h 26m
1 stop
$356Delta
Wed, Jul 15 - Wed, Jul 22
Allegiant Air Logo
9:10 am - 1:58 pm
HOU
-
EYW
27h 48m
2 stops
Allegiant Air Logo
10:31 am - 6:41 pm
EYW
-
HOU
9h 10m
1 stop
$365Allegiant Air
Fri, Jun 26 - Mon, Jun 29
Delta Logo
6:00 am - 12:58 pm
HOU
-
EYW
5h 58m
1 stop
Delta Logo
6:19 pm - 10:35 pm
EYW
-
HOU
5h 16m
1 stop
$366Delta
Tue, Sep 15 - Mon, Sep 21
Allegiant Air Logo
8:08 am - 3:45 pm
HOU
-
EYW
30h 37m
2 stops
Allegiant Air Logo
10:31 am - 6:54 pm
EYW
-
HOU
9h 23m
1 stop
$379Allegiant Air
Thu, Jun 18 - Mon, Jun 22

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Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Jun 23
IAH12:18 pmHouston George Bush Intcntl
6h 35m
1 stop
EYW7:53 pmKey West
Jul 1
EYW2:38 pmKey West
6h 14m
1 stop
IAH7:52 pmHouston George Bush Intcntl
$353
Delta
Jul 15
HOU6:00 amHouston Hobby
6h 23m
1 stop
EYW1:23 pmKey West
Jul 22
EYW11:56 amKey West
5h 26m
1 stop
HOU4:22 pmHouston Hobby
$356
Delta
Jul 5
IAH5:40 amHouston George Bush Intcntl
5h 43m
1 stop
EYW12:23 pmKey West
Jul 14
EYW6:18 pmKey West
6h 39m
1 stop
IAH11:57 pmHouston George Bush Intcntl
$366

Allegiant Air flights from Houston to Key West

Our best Allegiant Air deals on Houston to Key West flight tickets
Allegiant Air
Jun 26
HOU9:10 amHouston Hobby
27h 48m
2 stops
EYW1:58 pmKey West
Jun 29
EYW10:31 amKey West
9h 10m
1 stop
HOU6:41 pmHouston Hobby
$365
Allegiant Air
Jun 18
HOU8:08 amHouston Hobby
30h 37m
2 stops
EYW3:45 pmKey West
Jun 22
EYW10:31 amKey West
9h 23m
1 stop
HOU6:54 pmHouston Hobby
$379
Allegiant Air
Jun 19
HOU9:10 amHouston Hobby
27h 48m
2 stops
EYW1:58 pmKey West
Jun 22
EYW10:31 amKey West
9h 23m
1 stop
HOU6:54 pmHouston Hobby
$383

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 9, 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 8/15

9:04 am-4:18 pm

1 stop6h 14m

Key West

Tue 8/18

1:50 pm-9:32 pm

1 stop8h 42m

$281

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

7:23 pm-11:27 am

1 stop15h 04m

Key West

Mon 8/3

1:11 pm-7:20 am

2 stops19h 09m

$289

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 8/17

8:16 am-12:34 pm

2 stops27h 18m

Key West

Fri 8/21

12:07 pm-8:47 am

1 stop21h 40m

$291

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 7/30

7:23 pm-11:27 am

1 stop15h 04m

Key West

Mon 8/3

12:07 pm-8:45 am

1 stop21h 38m

$293

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 8/6

1:16 pm-11:27 am

1 stop21h 11m

Key West

Mon 8/10

1:11 pm-7:20 am

2 stops19h 09m

$307

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/1

10:18 am-6:48 pm

1 stop7h 30m

Key West

Tue 8/4

7:40 pm-11:59 pm

1 stop5h 19m

$317

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 7/15

6:00 am-1:23 pm

1 stop6h 23m

Key West

Wed 7/22

11:56 am-4:22 pm

1 stop5h 26m

$356

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 6/26

9:10 am-1:58 pm

2 stops27h 48m

Key West

Mon 6/29

10:31 am-6:41 pm

1 stop9h 10m

$365
Quickest round-trip

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 9/15

6:00 am-12:58 pm

1 stop5h 58m

Key West

Mon 9/21

6:19 pm-10:35 pm

1 stop5h 16m

$366

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Thu 6/18

8:08 am-3:45 pm

2 stops30h 37m

Key West

Mon 6/22

10:31 am-6:54 pm

1 stop9h 23m

$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 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 24m

Direct flights

None
The fastest flight from Houston to Key West takes 5h 24m
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 24m.

  • 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
8,396 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,781 reviews
Search United Airlines flights
American AirlinesPriceFrom $247Free CancellationRating
7.1
11,640 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

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