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Cheap flights from Houston to Key West from $110

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 11/16. 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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Cheap round-trip flights

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Multiple Airlines Logo
8:07 pm - 3:44 pmIAH-EYW
18h 37m1 stop
Multiple Airlines Logo
4:31 pm - 11:45 amEYW-IAH
20h 14m1 stop
$197Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
8:23 pm - 2:34 pmIAH-EYW
17h 11m1 stop
Multiple Airlines Logo
3:15 pm - 7:54 amEYW-IAH
17h 39m1 stop
$199Multiple Airlines
Find Deal
Wed, Dec 17 - Tue, Dec 23
Multiple Airlines Logo
8:23 pm - 2:34 pmIAH-EYW
17h 11m1 stop
Multiple Airlines Logo
7:47 am - 11:45 amEYW-IAH
4h 58m1 stop
$203Multiple Airlines
Find Deal
Wed, Dec 17 - Sat, Dec 20
Multiple Airlines Logo
8:23 pm - 2:34 pmIAH-EYW
17h 11m1 stop
Multiple Airlines Logo
8:55 am - 7:04 pmEYW-IAH
11h 09m1 stop
$205Multiple Airlines
Find Deal
Wed, Dec 17 - Sun, Dec 21
Delta Logo
2:32 pm - 8:06 pmHOU-EYW
4h 34m1 stop
Delta Logo
6:10 pm - 10:48 pmEYW-HOU
5h 38m1 stop
$249Delta
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Fri, Dec 5 - Thu, Dec 11
Delta Logo
1:36 pm - 8:06 pmIAH-EYW
5h 30m1 stop
Delta Logo
6:10 pm - 11:59 pmEYW-IAH
6h 49m1 stop
$249Delta
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
11:07 am - 7:35 pmIAH-EYW
7h 28m2 stops
American Airlines Logo
6:33 pm - 12:09 amEYW-IAH
6h 36m1 stop
$254American Airlines
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
11:07 am - 7:35 pmIAH-EYW
7h 28m2 stops
American Airlines Logo
7:00 am - 1:33 pmEYW-IAH
7h 33m2 stops
$259American Airlines
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Wed, Dec 3 - Sat, Dec 6
Spirit Airlines Logo
4:15 pm - 1:30 pmIAH-EYW
20h 15m2 stops
Spirit Airlines Logo
12:15 pm - 10:33 amEYW-IAH
23h 18m2 stops
$262Spirit Airlines
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Thu, Jan 29 - Sun, Feb 1
Spirit Airlines Logo
7:35 am - 1:30 pmIAH-EYW
4h 55m1 stop
Spirit Airlines Logo
12:15 pm - 6:25 pmEYW-IAH
31h 10m3 stops
$264Spirit Airlines
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Mon, Jan 26 - Sun, Feb 1

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Dec 5
HOU2:32 pmHouston Hobby
4h 34m
1 stop
EYW8:06 pmKey West
Dec 11
EYW6:10 pmKey West
5h 38m
1 stop
HOU10:48 pmHouston Hobby
$249
Find similar
Delta
Dec 16
IAH12:35 pmHouston George Bush Intcntl
6h 31m
1 stop
EYW8:06 pmKey West
Dec 21
EYW1:02 pmKey West
5h 31m
1 stop
IAH5:33 pmHouston George Bush Intcntl
$274
Find similar
Delta
Dec 3
HOU2:32 pmHouston Hobby
4h 34m
1 stop
EYW8:06 pmKey West
Dec 10
EYW6:10 pmKey West
5h 38m
1 stop
HOU10:48 pmHouston Hobby
$334
Find similar

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Dec 3
IAH11:07 amHouston George Bush Intcntl
7h 28m
2 stops
EYW7:35 pmKey West
Dec 10
EYW6:33 pmKey West
6h 36m
1 stop
IAH12:09 amHouston George Bush Intcntl
$254
Find similar
American Airlines
Dec 3
IAH11:07 amHouston George Bush Intcntl
7h 28m
2 stops
EYW7:35 pmKey West
Dec 6
EYW7:00 amKey West
7h 33m
2 stops
IAH1:33 pmHouston George Bush Intcntl
$259
Find similar
American Airlines
Nov 15
IAH5:30 amHouston George Bush Intcntl
5h 02m
1 stop
EYW11:32 amKey West
Nov 19
EYW1:33 pmKey West
7h 27m
2 stops
IAH8:00 pmHouston George Bush Intcntl
$354
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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 November 6, 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

8:07 pm-3:44 pm

1 stop18h 37m

Key West

Wed 12/10

4:31 pm-11:45 am

1 stop20h 14m

$197

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/17

8:23 pm-2:34 pm

1 stop17h 11m

Key West

Tue 12/23

3:15 pm-7:54 am

1 stop17h 39m

$199

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/17

8:23 pm-2:34 pm

1 stop17h 11m

Key West

Sat 12/20

7:47 am-11:45 am

1 stop4h 58m

$203

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/17

8:23 pm-2:34 pm

1 stop17h 11m

Key West

Sun 12/21

8:55 am-7:04 pm

1 stop11h 09m

$205

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 12/5

2:32 pm-8:06 pm

1 stop4h 34m

Key West

Thu 12/11

6:10 pm-10:48 pm

1 stop5h 38m

$249

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/3

1:36 pm-8:06 pm

1 stop5h 30m

Key West

Wed 12/10

6:10 pm-11:59 pm

1 stop6h 49m

$249

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/3

11:07 am-7:35 pm

2 stops7h 28m

Key West

Wed 12/10

6:33 pm-12:09 am

1 stop6h 36m

$254

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 12/3

11:07 am-7:35 pm

2 stops7h 28m

Key West

Sat 12/6

7:00 am-1:33 pm

2 stops7h 33m

$259

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 1/29

4:15 pm-1:30 pm

2 stops20h 15m

Key West

Sun 2/1

12:15 pm-10:33 am

2 stops23h 18m

$262

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 1/26

7:35 am-1:30 pm

1 stop4h 55m

Key West

Sun 2/1

12:15 pm-6:25 pm

3 stops31h 10m

$264

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, 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 $397 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

Fri, Sat 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 Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Key West: Key West (EYW)
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  • 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
9,007 reviews
Search United Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $230Free CancellationRating
7.2
11,040 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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