What is the cheapest airline that flies from Houston to Key West?

Spirit Airlines, Delta, and American Airlines are the most popular carriers operating from Houston to Key West

What airlines fly to Key West?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Key West from Houston according to our data. American Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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?

As of December 2025, there are 3 operators available to choose from 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.

$102 Cheap Flights from Houston to Key West in 2025/26

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Find the cheapest flights from Houston to Key West

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:34 pm - 8:15 am

IAH

EYW

9h 41m1 stop

4:06 pm - 4:19 pm

EYW

IAH

25h 13m1 stop

$188Multiple Airlines

Sat, Jan 3 - Wed, Jan 7

7:45 am - 1:30 pm

IAH

EYW

4h 45m1 stop

2:25 pm - 8:23 pm

EYW

IAH

6h 58m1 stop

$196Spirit Airlines

Mon, Jan 19 - Fri, Jan 23

8:19 pm - 12:26 pm

IAH

EYW

15h 07m1 stop

10:06 am - 6:58 pm

EYW

IAH

9h 52m1 stop

$198Multiple Airlines

Thu, Jan 8 - Thu, Jan 15

9:34 pm - 2:24 pm

IAH

EYW

15h 50m1 stop

2:30 pm - 9:03 am

EYW

IAH

19h 33m1 stop

$203Multiple Airlines

Fri, Jan 2 - Mon, Jan 5

7:45 am - 1:30 pm

IAH

EYW

4h 45m1 stop

2:25 pm - 8:23 pm

EYW

IAH

6h 58m1 stop

$208Spirit Airlines

Mon, Jan 19 - Fri, Jan 23

5:46 am - 2:24 pm

IAH

EYW

7h 38m1 stop

2:30 pm - 10:33 am

EYW

IAH

21h 03m2 stops

$223Multiple Airlines

Sat, Jan 3 - Wed, Jan 7

12:20 pm - 4:10 pm

IAH

EYW

2h 50mnonstop

4:51 pm - 7:10 pm

EYW

IAH

3h 19mnonstop

$229United Airlines

Sat, May 2 - Fri, May 8

5:25 am - 10:59 am

HOU

EYW

4h 34m1 stop

6:07 pm - 10:28 pm

EYW

HOU

5h 21m1 stop

$304Delta

Sat, Feb 21 - Wed, Feb 25

2:05 pm - 7:41 pm

HOU

EYW

4h 36m1 stop

7:35 am - 1:20 pm

EYW

HOU

6h 45m1 stop

$334Delta

Tue, Mar 10 - Tue, Mar 17

10:13 am - 4:30 pm

HOU

EYW

5h 17m1 stop

2:38 pm - 7:45 pm

EYW

HOU

6h 07m1 stop

$633American Airlines

Wed, Dec 24 - Wed, Dec 31

Spirit Airlines flights from Houston to Key West

Our best Spirit Airlines deals on Houston to Key West flight tickets

Spirit Airlines

Jan 19

IAH7:45 amHouston George Bush Intcntl

4h 45m

1 stop

EYW1:30 pmKey West

Jan 23

EYW2:25 pmKey West

6h 58m

1 stop

IAH8:23 pmHouston George Bush Intcntl

$196

Find similar

Spirit Airlines

Jan 19

IAH7:45 amHouston George Bush Intcntl

4h 45m

1 stop

EYW1:30 pmKey West

Jan 23

EYW2:25 pmKey West

6h 58m

1 stop

IAH8:23 pmHouston George Bush Intcntl

$208

Find similar

Spirit Airlines

Jan 29

IAH5:46 amHouston George Bush Intcntl

5h 10m

1 stop

EYW11:56 amKey West

Feb 2

EYW2:25 pmKey West

6h 58m

1 stop

IAH8:23 pmHouston George Bush Intcntl

$225

Find similar

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets

Delta

Feb 21

HOU5:25 amHouston Hobby

4h 34m

1 stop

EYW10:59 amKey West

Feb 25

EYW6:07 pmKey West

5h 21m

1 stop

HOU10:28 pmHouston Hobby

$304

Find similar

Delta

Mar 10

HOU2:05 pmHouston Hobby

4h 36m

1 stop

EYW7:41 pmKey West

Mar 17

EYW7:35 amKey West

6h 45m

1 stop

HOU1:20 pmHouston Hobby

$334

Find similar

Delta

Jan 3

HOU6:00 amHouston Hobby

5h 07m

1 stop

EYW12:07 pmKey West

Jan 10

EYW6:06 pmKey West

5h 27m

1 stop

HOU10:33 pmHouston Hobby

$359

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 1/3

9:34 pm-8:15 am

1 stop9h 41m

Key West

Wed 1/7

4:06 pm-4:19 pm

1 stop25h 13m

$188

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 1/19

7:45 am-1:30 pm

1 stop4h 45m

Key West

Fri 1/23

2:25 pm-8:23 pm

1 stop6h 58m

$196

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 1/8

8:19 pm-12:26 pm

1 stop15h 07m

Key West

Thu 1/15

10:06 am-6:58 pm

1 stop9h 52m

$198

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Fri 1/2

9:34 pm-2:24 pm

1 stop15h 50m

Key West

Mon 1/5

2:30 pm-9:03 am

1 stop19h 33m

$203

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 1/19

7:45 am-1:30 pm

1 stop4h 45m

Key West

Fri 1/23

2:25 pm-8:23 pm

1 stop6h 58m

$208

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 1/3

5:46 am-2:24 pm

1 stop7h 38m

Key West

Wed 1/7

2:30 pm-10:33 am

2 stops21h 03m

$223

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 5/2

12:20 pm-4:10 pm

Nonstop2h 50m

Key West

Fri 5/8

4:51 pm-7:10 pm

Nonstop3h 19m

$229

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 2/21

5:25 am-10:59 am

1 stop4h 34m

Key West

Wed 2/25

6:07 pm-10:28 pm

1 stop5h 21m

$304

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 3/10

2:05 pm-7:41 pm

1 stop4h 36m

Key West

Tue 3/17

7:35 am-1:20 pm

1 stop6h 45m

$334

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Wed 12/24

10:13 am-4:30 pm

1 stop5h 17m

Key West

Wed 12/31

2:38 pm-7:45 pm

1 stop6h 07m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $301.

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 $377 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 42m
Direct flights	Tue, Thu, Fri, Sat and Sun
Airports in Key West	1 airport

The fastest flight from Houston to Key West takes 2h 42m

Direct flights go from Houston to Key West on Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Key West. From Houston there are direct flights to 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 2h 42m.
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?
As of December 2025, there are 3 operators available to choose from 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 Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Delta	PriceFrom $220	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights

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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.