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Cheap flights from Houston to Key West from $124

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 8/23. 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

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.
Multiple Airlines Logo
1:45 pm - 11:35 am-
20h 50m
Multiple Airlines Logo
3:48 pm - 10:14 pm-
31h 26m
$226Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
1:45 pm - 11:25 am-
20h 40m
Multiple Airlines Logo
10:04 am - 10:30 pm-
13h 26m
$226Multiple Airlines
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
8:35 am - 12:34 pm-
26h 59m
Multiple Airlines Logo
10:59 am - 9:14 pm-
11h 15m
$237Multiple Airlines
Mon, Sep 7 - Fri, Sep 11
American Airlines Logo
7:21 am - 1:03 pm-
4h 42m
American Airlines Logo
8:03 pm - 11:47 pm-
4h 44m
$291American Airlines
Wed, Oct 14 - Tue, Oct 20
American Airlines Logo
11:51 am - 7:33 pm-
6h 42m
American Airlines Logo
2:34 pm - 8:29 pm-
6h 55m
$291American Airlines
Wed, Oct 14 - Tue, Oct 20
Delta Logo
12:12 pm - 7:57 pm-
6h 45m
Delta Logo
6:19 pm - 10:33 pm-
5h 14m
$291Delta
Wed, Sep 2 - Wed, Sep 9
Delta Logo
2:25 pm - 8:00 pm-
4h 35m
Delta Logo
6:19 pm - 10:39 pm-
5h 20m
$291Delta
Wed, Sep 16 - Wed, Sep 23
Delta Logo
1:13 pm - 7:57 pm-
5h 44m
Delta Logo
7:40 am - 1:18 pm-
6h 38m
$291Delta
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
6:50 pm - 2:18 pm-
18h 28m
United Airlines Logo
2:50 pm - 8:25 am-
18h 35m
$613United Airlines
Fri, Oct 23 - Fri, Oct 30
United Airlines Logo
5:00 am - 1:11 pm-
7h 11m
United Airlines Logo
1:30 pm - 10:33 pm-
10h 03m
$703United Airlines
Fri, Jan 1 - Mon, Jan 4

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American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Oct 14
IAH11:51 amHouston George Bush Intcntl
6h 42m
1 stop
EYW7:33 pmKey West
Oct 20
EYW2:34 pmKey West
6h 55m
1 stop
IAH8:29 pmHouston George Bush Intcntl
$291
American Airlines
Oct 17
IAH9:49 amHouston George Bush Intcntl
6h 09m
1 stop
EYW4:58 pmKey West
Oct 22
EYW5:28 pmKey West
7h 19m
1 stop
IAH11:47 pmHouston George Bush Intcntl
$320
American Airlines
Oct 14
HOU9:51 amHouston Hobby
6h 03m
1 stop
EYW4:54 pmKey West
Oct 20
EYW2:34 pmKey West
6h 15m
1 stop
HOU7:49 pmHouston Hobby
$327

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Sep 2
HOU1:13 pmHouston Hobby
5h 44m
1 stop
EYW7:57 pmKey West
Sep 9
EYW7:40 amKey West
6h 38m
1 stop
HOU1:18 pmHouston Hobby
$291
Delta
Sep 30
IAH12:21 pmHouston George Bush Intcntl
6h 39m
1 stop
EYW8:00 pmKey West
Oct 5
EYW6:19 pmKey West
6h 35m
1 stop
IAH11:54 pmHouston George Bush Intcntl
$310
Delta
Oct 23
IAH5:29 amHouston George Bush Intcntl
6h 24m
1 stop
EYW12:53 pmKey West
Oct 30
EYW6:10 pmKey West
6h 45m
1 stop
IAH11:55 pmHouston George Bush Intcntl
$329

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 August 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

Sat 8/29

1:45 pm-11:35 am

1 stop20h 50m

Key West

Sat 9/5

3:48 pm-10:14 pm

2 stops31h 26m

$226

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 9/5

1:45 pm-11:25 am

1 stop20h 40m

Key West

Wed 9/9

10:04 am-10:30 pm

2 stops13h 26m

$226

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 9/7

8:35 am-12:34 pm

2 stops26h 59m

Key West

Fri 9/11

10:59 am-9:14 pm

1 stop11h 15m

$237
Quickest round-trip

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 10/14

7:21 am-1:03 pm

1 stop4h 42m

Key West

Tue 10/20

8:03 pm-11:47 pm

1 stop4h 44m

$291

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 10/14

11:51 am-7:33 pm

1 stop6h 42m

Key West

Tue 10/20

2:34 pm-8:29 pm

1 stop6h 55m

$291

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 9/2

12:12 pm-7:57 pm

1 stop6h 45m

Key West

Wed 9/9

6:19 pm-10:33 pm

1 stop5h 14m

$291

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 9/16

2:25 pm-8:00 pm

1 stop4h 35m

Key West

Wed 9/23

6:19 pm-10:39 pm

1 stop5h 20m

$291

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 9/2

1:13 pm-7:57 pm

1 stop5h 44m

Key West

Wed 9/9

7:40 am-1:18 pm

1 stop6h 38m

$291

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Fri 10/23

6:50 pm-2:18 pm

2 stops18h 28m

Key West

Fri 10/30

2:50 pm-8:25 am

2 stops18h 35m

$613

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Fri 1/1

5:00 am-1:11 pm

1 stop7h 11m

Key West

Mon 1/4

1:30 pm-10:33 pm

1 stop10h 03m

$703

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?

Prices are currently low for flights on this route.

Typical prices usually range from $328 to $604.
The lowest price recently found on this route was $226.

What is the cheapest month to fly to Key West?

In general, February 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 $273. If you are unable to visit Key West during the month of February, then departing from Houston during the month March is also very affordable. Most momondo users find prices during this month for around $338.

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 $400 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 $253 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

5h 01m

Direct flights

None
The fastest flight from Houston to Key West takes 5h 01m
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 01m.

  • 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
United AirlinesPriceFrom $238Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
American AirlinesPriceFrom $247Free CancellationRating
7.1
11,845 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
7.8
8,483 reviews
Search Delta 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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