Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Key West from $101

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 11/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Houston to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
8:54 pm - 11:20 amIAH-EYW
13h 26m1 stop
Spirit Airlines Logo
2:30 pm - 7:48 pmEYW-IAH
6h 18m1 stop
$199Spirit Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
Spirit Airlines Logo
5:45 am - 1:30 pmIAH-EYW
6h 45m1 stop
Spirit Airlines Logo
2:25 pm - 11:30 pmEYW-IAH
10h 05m1 stop
$203Spirit Airlines
Find Deal
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
11:33 am - 9:17 amIAH-EYW
20h 44m1 stop
Multiple Airlines Logo
12:15 pm - 5:16 pmEYW-IAH
6h 01m1 stop
$206Multiple Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20
Multiple Airlines Logo
11:33 am - 9:17 amIAH-EYW
20h 44m1 stop
Multiple Airlines Logo
10:47 am - 10:43 pmEYW-IAH
12h 56m1 stop
$208Multiple Airlines
Find Deal
Sun, Nov 16 - Wed, Nov 19
Multiple Airlines Logo
6:37 pm - 8:15 amIAH-EYW
12h 38m1 stop
Multiple Airlines Logo
12:15 pm - 5:16 pmEYW-IAH
6h 01m1 stop
$209Multiple Airlines
Find Deal
Sat, Nov 15 - Thu, Nov 20
Delta Logo
10:40 am - 5:23 pmHOU-EYW
5h 43m1 stop
Delta Logo
6:18 pm - 11:07 pmEYW-HOU
5h 49m1 stop
$249Delta
Find Deal
Mon, Nov 17 - Sat, Nov 22
Delta Logo
1:36 pm - 7:53 pmIAH-EYW
5h 17m1 stop
Delta Logo
6:18 pm - 11:57 pmEYW-IAH
6h 39m1 stop
$249Delta
Find Deal
Sat, Nov 15 - Tue, Nov 25
American Airlines Logo
10:11 am - 7:23 pmHOU-EYW
8h 12m2 stops
American Airlines Logo
5:40 pm - 11:57 pmEYW-HOU
7h 17m1 stop
$254American Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
American Airlines Logo
6:00 am - 4:13 pmIAH-EYW
9h 13m2 stops
American Airlines Logo
4:10 pm - 12:01 amEYW-IAH
8h 51m2 stops
$259American Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Allegiant Air Logo
8:47 am - 8:46 pmHOU-EYW
10h 59m2 stops
Allegiant Air Logo
2:05 pm - 7:42 pmEYW-HOU
6h 37m1 stop
$365Allegiant Air
Find Deal
Sun, Nov 16 - Fri, Nov 21

Spirit Airlines flights from Houston to Key West

Our best Spirit Airlines deals on Houston to Key West flight tickets
Spirit Airlines
Dec 3
IAH8:54 pmHouston George Bush Intcntl
13h 26m
1 stop
EYW11:20 amKey West
Dec 6
EYW2:30 pmKey West
6h 18m
1 stop
IAH7:48 pmHouston George Bush Intcntl
$199
Find similar
Spirit Airlines
Feb 5
IAH5:45 amHouston George Bush Intcntl
6h 45m
1 stop
EYW1:30 pmKey West
Feb 9
EYW2:25 pmKey West
10h 05m
1 stop
IAH11:30 pmHouston George Bush Intcntl
$203
Find similar
Spirit Airlines
Nov 19
IAH5:27 pmHouston George Bush Intcntl
16h 53m
1 stop
EYW11:20 amKey West
Nov 22
EYW2:24 pmKey West
11h 17m
1 stop
IAH12:41 amHouston George Bush Intcntl
$222
Find similar

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Nov 18
HOU10:11 amHouston Hobby
8h 12m
2 stops
EYW7:23 pmKey West
Nov 22
EYW5:40 pmKey West
7h 17m
1 stop
HOU11:57 pmHouston Hobby
$254
Find similar
American Airlines
Nov 15
IAH6:00 amHouston George Bush Intcntl
9h 13m
2 stops
EYW4:13 pmKey West
Nov 19
EYW4:10 pmKey West
8h 51m
2 stops
IAH12:01 amHouston George Bush Intcntl
$259
Find similar
American Airlines
Feb 25
IAH10:23 amHouston George Bush Intcntl
7h 14m
2 stops
EYW6:37 pmKey West
Mar 2
EYW5:20 pmKey West
5h 47m
1 stop
IAH10:07 pmHouston George Bush Intcntl
$269
Find similar

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 October 23, 2025.
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

Wed 12/3

8:54 pm-11:20 am

1 stop13h 26m

Key West

Sat 12/6

2:30 pm-7:48 pm

1 stop6h 18m

$199

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 2/5

5:45 am-1:30 pm

1 stop6h 45m

Key West

Mon 2/9

2:25 pm-11:30 pm

1 stop10h 05m

$203

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sun 11/16

11:33 am-9:17 am

1 stop20h 44m

Key West

Thu 11/20

12:15 pm-5:16 pm

1 stop6h 01m

$206

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sun 11/16

11:33 am-9:17 am

1 stop20h 44m

Key West

Wed 11/19

10:47 am-10:43 pm

1 stop12h 56m

$208

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 11/15

6:37 pm-8:15 am

1 stop12h 38m

Key West

Thu 11/20

12:15 pm-5:16 pm

1 stop6h 01m

$209

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Mon 11/17

10:40 am-5:23 pm

1 stop5h 43m

Key West

Sat 11/22

6:18 pm-11:07 pm

1 stop5h 49m

$249

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 11/15

1:36 pm-7:53 pm

1 stop5h 17m

Key West

Tue 11/25

6:18 pm-11:57 pm

1 stop6h 39m

$249

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 11/18

10:11 am-7:23 pm

2 stops8h 12m

Key West

Sat 11/22

5:40 pm-11:57 pm

1 stop7h 17m

$254

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 11/15

6:00 am-4:13 pm

2 stops9h 13m

Key West

Wed 11/19

4:10 pm-12:01 am

2 stops8h 51m

$259

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sun 11/16

8:47 am-8:46 pm

2 stops10h 59m

Key West

Fri 11/21

2:05 pm-7:42 pm

1 stop6h 37m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, 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 $283. If you are unable to visit Key West during the month of September, then departing from Houston during the month November is also very affordable. Most momondo users find prices during this month for around $306.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Houston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $302. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Key West for around $492.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Houston to Key West at noon for as low as $327. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the evening, with an average ticket price of $1,010. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $403 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 $325 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 48m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Key West

1 airport
The fastest flight from Houston to Key West takes 2h 48m
Direct flights go from Houston to Key West on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Key West: 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 4h 31m.

  • 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 $209Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $231Free CancellationRating
7.2
11,032 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/22
Sat 11/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States