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

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

What airlines fly to Key West?

American Airlines, United Airlines and Delta 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 60% 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 September 2026, 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.

$87 Cheap Flights from Houston to Key West in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Key West

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Cheap round-trip flights

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9:14 pm - 9:04 amIAH Houston George Bush Intcntl-EYW Key West

34h 50m2 stops Atlanta Hartsfield-Jackson Tampa

10:59 am - 9:24 amEYW Key West-IAH Houston George Bush Intcntl

23h 25m1 stop Orlando

$241Multiple Airlines

Fri, Nov 13 - Sun, Nov 22

8:35 pm - 10:19 amIAH Houston George Bush Intcntl-EYW Key West

12h 44m1 stop Orlando

1:16 pm - 10:31 pmEYW Key West-IAH Houston George Bush Intcntl

10h 15m2 stops Tampa Atlanta Hartsfield-Jackson

$249Multiple Airlines

Thu, Oct 22 - Tue, Oct 27

9:14 pm - 9:24 amIAH Houston George Bush Intcntl-EYW Key West

35h 10m2 stops Atlanta Hartsfield-Jackson Tampa

10:59 am - 9:24 amEYW Key West-IAH Houston George Bush Intcntl

23h 25m1 stop Orlando

$255Multiple Airlines

Thu, Nov 12 - Sun, Nov 22

9:51 am - 4:54 pmHOU Houston Hobby-EYW Key West

6h 03m1 stop Dallas/Fort Worth

2:26 pm - 6:48 pmEYW Key West-HOU Houston Hobby

5h 22m1 stop Dallas/Fort Worth

$311American Airlines

Tue, Oct 27 - Tue, Nov 3

9:04 am - 4:11 pmIAH Houston George Bush Intcntl-EYW Key West

6h 07m1 stop Charlotte Douglas

2:26 pm - 6:44 pmEYW Key West-IAH Houston George Bush Intcntl

5h 18m1 stop Dallas/Fort Worth

$311American Airlines

Tue, Oct 27 - Tue, Nov 3

11:50 am - 7:43 pmIAH Houston George Bush Intcntl-EYW Key West

6h 53m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:58 pmEYW Key West-IAH Houston George Bush Intcntl

6h 58m1 stop Atlanta Hartsfield-Jackson

$311Delta

Wed, Feb 17 - Tue, Feb 23

9:02 am - 4:54 pmIAH Houston George Bush Intcntl-EYW Key West

6h 52m1 stop Dallas/Fort Worth

5:28 pm - 11:47 pmEYW Key West-IAH Houston George Bush Intcntl

7h 19m1 stop Miami

$311American Airlines

Tue, Oct 13 - Tue, Oct 20

2:39 pm - 8:58 pmIAH Houston George Bush Intcntl-EYW Key West

5h 19m1 stop Atlanta Hartsfield-Jackson

6:20 pm - 11:06 pmEYW Key West-IAH Houston George Bush Intcntl

5h 46m1 stop Atlanta Hartsfield-Jackson

$349Delta

Thu, Dec 24 - Thu, Dec 31

6:45 am - 4:36 pmIAH Houston George Bush Intcntl-EYW Key West

8h 51m1 stop Chicago O'Hare Intl

5:45 pm - 12:09 amEYW Key West-IAH Houston George Bush Intcntl

7h 24m1 stop Chicago O'Hare Intl

$617United Airlines

Mon, Feb 15 - Fri, Feb 19

12:00 pm - 3:42 pmIAH Houston George Bush Intcntl-EYW Key West

2h 42mnonstop

5:52 pm - 12:45 amEYW Key West-IAH Houston George Bush Intcntl

7h 53m1 stop Chicago O'Hare Intl

$674United Airlines

Sat, Dec 19 - Sat, Dec 26

Cheap last minute flights

Enter your travel dates to find the best prices.

6:10 am - 8:00 pmIAH Houston George Bush Intcntl-EYW Key West

12h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

6:19 pm - 11:54 pmEYW Key West-IAH Houston George Bush Intcntl

6h 35m1 stop Atlanta Hartsfield-Jackson

$482Delta

Sat, Sep 19 - Mon, Sep 21

12:41 pm - 8:00 pmIAH Houston George Bush Intcntl-EYW Key West

6h 19m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 8:02 pmEYW Key West-IAH Houston George Bush Intcntl

7h 02m1 stop Atlanta Hartsfield-Jackson

$555Delta

Sat, Sep 19 - Mon, Sep 21

8:29 am - 5:55 pmIAH Houston George Bush Intcntl-EYW Key West

8h 26m1 stop Charlotte Douglas

11:30 am - 3:57 pmEYW Key West-IAH Houston George Bush Intcntl

5h 27m1 stop Miami

$571American Airlines

Fri, Sep 18 - Mon, Sep 21

9:44 am - 5:23 pmIAH Houston George Bush Intcntl-EYW Key West

6h 39m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 8:02 pmEYW Key West-IAH Houston George Bush Intcntl

7h 02m1 stop Atlanta Hartsfield-Jackson

$571Delta

Fri, Sep 18 - Mon, Sep 21

4:21 pm - 10:19 amIAH Houston George Bush Intcntl-EYW Key West

16h 58m1 stop Orlando

12:59 pm - 10:30 pmEYW Key West-IAH Houston George Bush Intcntl

10h 31m2 stops Tampa Atlanta Hartsfield-Jackson

$582Multiple Airlines

Wed, Sep 16 - Fri, Sep 18

6:25 am - 9:24 amIAH Houston George Bush Intcntl-EYW Key West

25h 59m2 stops Denver Intl Tampa

10:59 am - 9:14 pmEYW Key West-IAH Houston George Bush Intcntl

11h 15m1 stop Orlando

$608Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

5:00 am - 1:17 pmIAH Houston George Bush Intcntl-EYW Key West

7h 17m2 stops Dallas/Fort Worth Miami

11:30 am - 3:57 pmEYW Key West-IAH Houston George Bush Intcntl

5h 27m1 stop Miami

$640American Airlines

Fri, Sep 18 - Mon, Sep 21

8:29 am - 7:17 pmIAH Houston George Bush Intcntl-EYW Key West

9h 48m2 stops Charlotte Douglas Miami

11:30 am - 7:13 pmEYW Key West-IAH Houston George Bush Intcntl

8h 43m2 stops Miami Dallas/Fort Worth

$645American Airlines

Fri, Sep 18 - Mon, Sep 21

12:20 pm - 1:29 pmIAH Houston George Bush Intcntl-EYW Key West

24h 09m2 stops Charlotte Douglas Newark

2:20 pm - 6:55 pmEYW Key West-IAH Houston George Bush Intcntl

29h 35m2 stops Newark Charlotte Douglas

$1,120United Airlines

Wed, Sep 16 - Fri, Sep 18

12:20 pm - 1:29 pmIAH Houston George Bush Intcntl-EYW Key West

24h 09m2 stops Charlotte Douglas Newark

2:20 pm - 12:45 amEYW Key West-IAH Houston George Bush Intcntl

35h 25m3 stops Newark Norfolk Washington, D.C. Dulles Intl

$1,171United Airlines

Wed, Sep 16 - Fri, Sep 18

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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 27

HOU9:51 amHouston Hobby

6h 03m

1 stop

EYW4:54 pmKey West

Nov 3

EYW2:26 pmKey West

5h 22m

1 stop

HOU6:48 pmHouston Hobby

$311

American Airlines

Oct 26

IAH9:49 amHouston George Bush Intcntl

6h 09m

1 stop

EYW4:58 pmKey West

Oct 31

EYW10:24 amKey West

7h 20m

1 stop

IAH4:44 pmHouston George Bush Intcntl

$330

American Airlines

Oct 31

IAH9:49 amHouston George Bush Intcntl

6h 09m

1 stop

EYW4:58 pmKey West

Nov 4

EYW5:50 pmKey West

5h 54m

1 stop

IAH10:44 pmHouston George Bush Intcntl

$347

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets

Delta

Sep 30

IAH12:21 pmHouston George Bush Intcntl

6h 39m

1 stop

EYW8:00 pmKey West

Oct 5

EYW11:42 amKey West

11h 23m

2 stops

IAH10:05 pmHouston George Bush Intcntl

$371

Delta

Sep 30

IAH5:30 amHouston George Bush Intcntl

10h 53m

2 stops

EYW5:23 pmKey West

Oct 5

EYW11:42 amKey West

11h 23m

2 stops

IAH10:05 pmHouston George Bush Intcntl

$376

Delta

Oct 23

IAH7:10 amHouston George Bush Intcntl

11h 51m

2 stops

EYW8:01 pmKey West

Oct 30

EYW6:10 pmKey West

6h 45m

1 stop

IAH11:55 pmHouston George Bush Intcntl

$389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Fri 11/13

9:14 pm-9:04 am

2 stops34h 50m

Key West

Sun 11/22

10:59 am-9:24 am

1 stop23h 25m

$241

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Thu 10/22

8:35 pm-10:19 am

1 stop12h 44m

Key West

Tue 10/27

1:16 pm-10:31 pm

2 stops10h 15m

$249

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Thu 11/12

9:14 pm-9:24 am

2 stops35h 10m

Key West

Sun 11/22

10:59 am-9:24 am

1 stop23h 25m

$255

HoustonKey West

HOU Houston Hobby - EYW Key West

HOUEYW

Houston Hobby

Tue 10/27

9:51 am-4:54 pm

1 stop6h 03m

Key West

Tue 11/3

2:26 pm-6:48 pm

1 stop5h 22m

$311

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Tue 10/27

9:04 am-4:11 pm

1 stop6h 07m

Key West

Tue 11/3

2:26 pm-6:44 pm

1 stop5h 18m

$311

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Wed 2/17

11:50 am-7:43 pm

1 stop6h 53m

Key West

Tue 2/23

6:00 pm-11:58 pm

1 stop6h 58m

$311

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Tue 10/13

9:02 am-4:54 pm

1 stop6h 52m

Key West

Tue 10/20

5:28 pm-11:47 pm

1 stop7h 19m

$311

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Thu 12/24

2:39 pm-8:58 pm

1 stop5h 19m

Key West

Thu 12/31

6:20 pm-11:06 pm

1 stop5h 46m

$349

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Mon 2/15

6:45 am-4:36 pm

1 stop8h 51m

Key West

Fri 2/19

5:45 pm-12:09 am

1 stop7h 24m

$617

Quickest round-trip

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 12/19

12:00 pm-3:42 pm

Nonstop2h 42m

Key West

Sat 12/26

5:52 pm-12:45 am

1 stop7h 53m

$674

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 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 $420 to $564.
The lowest price recently found on this route was $241.

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 $283. 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 $341.

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 $414 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

Best Price Found	$87
Fastest flight time	2h 42m
Direct flights	Sun
Airports in Key West	1 airport

The best one-way flight to Key West from Houston in the past 72 hours is $87. The best round-trip flight deal from Houston to Key West found on momondo in the last 72 hours is $241.

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

Direct flights go from Houston to Key West on 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).

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 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 September 2026, 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 $238	Free Cancellation	Rating 7.4 10,208 reviews	Search United Airlines flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.1 12,059 reviews	Search American Airlines flights
Delta	PriceFrom $253	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights

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.

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Cheap flights from Houston to Key West from $87

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 10/27. 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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American Airlines flights from Houston to Key West

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

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets

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How to get the cheapest flight ticket from Houston to Key West

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?

What is the cheapest Houston to Key West flight route?

How far in advance should I book a flight from Houston to Key West?

What cabin class options are available on Houston to Key West flights?

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

What airlines fly to Key West?

Cheap Houston to Key West flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Key West

Frequently asked questions about flying from Houston to Key West

Best airlines flying from Houston to Key West

Compare and see reviews for airlines that fly from Houston to Key West with momondo

Traveling to a place near Key West?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida

Fly your favorite airline to Key West

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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