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

Delta and American Airlines 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 58% 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 August 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.

$136 Cheap Flights from Houston to Key West in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 pm - 2:13 pmIAH Houston George Bush Intcntl-EYW Key West

16h 48m1 stop Orlando

8:41 pm - 7:19 amEYW Key West-IAH Houston George Bush Intcntl

35h 38m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson

$212Multiple Airlines

Sat, Oct 3 - Sun, Oct 11

8:25 pm - 2:13 pmIAH Houston George Bush Intcntl-EYW Key West

16h 48m1 stop Orlando

9:52 am - 7:19 amEYW Key West-IAH Houston George Bush Intcntl

22h 27m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

$220Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

8:25 pm - 2:13 pmIAH Houston George Bush Intcntl-EYW Key West

16h 48m1 stop Orlando

9:52 am - 7:19 amEYW Key West-IAH Houston George Bush Intcntl

22h 27m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

$221Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

10:46 am - 7:17 pmIAH Houston George Bush Intcntl-EYW Key West

7h 31m1 stop Miami

8:03 pm - 11:47 pmEYW Key West-IAH Houston George Bush Intcntl

4h 44m1 stop Miami

$291American Airlines

Sat, Oct 3 - Sat, Oct 10

10:46 am - 7:17 pmIAH Houston George Bush Intcntl-EYW Key West

7h 31m1 stop Miami

10:24 am - 4:44 pmEYW Key West-IAH Houston George Bush Intcntl

7h 20m1 stop Miami

$291American Airlines

Sat, Oct 3 - Wed, Oct 7

12:21 pm - 8:00 pmIAH Houston George Bush Intcntl-EYW Key West

6h 39m1 stop Atlanta Hartsfield-Jackson

7:40 am - 1:30 pmEYW Key West-IAH Houston George Bush Intcntl

6h 50m1 stop Atlanta Hartsfield-Jackson

$291Delta

Wed, Sep 9 - Sat, Sep 12

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

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

7:40 am - 11:34 amEYW Key West-IAH Houston George Bush Intcntl

4h 54m1 stop Atlanta Hartsfield-Jackson

$296Delta

Wed, Sep 9 - Sat, Sep 12

6:00 am - 12:53 pmHOU Houston Hobby-EYW Key West

5h 53m1 stop Atlanta Hartsfield-Jackson

6:19 pm - 10:39 pmEYW Key West-HOU Houston Hobby

5h 20m1 stop Atlanta Hartsfield-Jackson

$310Delta

Fri, Sep 11 - Sat, Sep 19

8:15 pm - 2:18 pmIAH Houston George Bush Intcntl-EYW Key West

17h 03m2 stops Atlanta Hartsfield-Jackson Chicago O'Hare Intl

2:51 pm - 8:28 amEYW Key West-IAH Houston George Bush Intcntl

18h 37m2 stops Newark Memphis

$610United Airlines

Fri, Oct 23 - Fri, Oct 30

5:05 pm - 11:11 amIAH Houston George Bush Intcntl-EYW Key West

17h 06m1 stop Chicago O'Hare Intl

4:52 pm - 7:00 pmEYW Key West-IAH Houston George Bush Intcntl

3h 08mnonstop

$649United Airlines

Sat, Dec 12 - Sat, Dec 19

Cheap last minute flights

Enter your travel dates to find the best prices.

10:50 am - 5:20 pmHOU Houston Hobby-EYW Key West

5h 30m1 stop Atlanta Hartsfield-Jackson

7:40 am - 1:18 pmEYW Key West-HOU Houston Hobby

6h 38m1 stop Atlanta Hartsfield-Jackson

$363Delta

Wed, Sep 2 - Wed, Sep 9

5:41 am - 1:00 pmIAH Houston George Bush Intcntl-EYW Key West

6h 19m1 stop Atlanta Hartsfield-Jackson

7:40 am - 1:30 pmEYW Key West-IAH Houston George Bush Intcntl

6h 50m1 stop Atlanta Hartsfield-Jackson

$363Delta

Wed, Sep 2 - Wed, Sep 9

6:10 am - 7:57 pmIAH Houston George Bush Intcntl-EYW Key West

12h 47m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

6:19 pm - 10:33 pmEYW Key West-IAH Houston George Bush Intcntl

5h 14m1 stop Atlanta Hartsfield-Jackson

$368Delta

Wed, Sep 2 - Wed, Sep 9

5:18 am - 1:08 pmIAH Houston George Bush Intcntl-EYW Key West

6h 50m1 stop Miami

2:04 pm - 10:58 pmEYW Key West-IAH Houston George Bush Intcntl

9h 54m1 stop Washington, D.C. Reagan-National

$380American Airlines

Wed, Sep 2 - Wed, Sep 9

5:18 am - 1:08 pmIAH Houston George Bush Intcntl-EYW Key West

6h 50m1 stop Miami

1:47 pm - 10:30 pmEYW Key West-IAH Houston George Bush Intcntl

9h 43m2 stops Miami Dallas/Fort Worth

$385American Airlines

Wed, Sep 2 - Wed, Sep 9

9:04 am - 7:39 pmIAH Houston George Bush Intcntl-EYW Key West

9h 35m2 stops Charlotte Douglas Miami

1:47 pm - 10:30 pmEYW Key West-IAH Houston George Bush Intcntl

9h 43m2 stops Miami Dallas/Fort Worth

$407American Airlines

Wed, Sep 2 - Wed, Sep 9

4:32 pm - 12:34 pmIAH Houston George Bush Intcntl-EYW Key West

19h 02m2 stops Atlanta Hartsfield-Jackson Tampa

12:07 pm - 8:02 amEYW Key West-IAH Houston George Bush Intcntl

20h 55m1 stop Orlando

$507Multiple Airlines

Mon, Aug 31 - Fri, Sep 4

10:46 am - 12:31 pmIAH Houston George Bush Intcntl-EYW Key West

24h 45m2 stops Denver Intl Tampa

12:05 pm - 8:02 amEYW Key West-IAH Houston George Bush Intcntl

20h 57m1 stop Orlando

$526Multiple Airlines

Sun, Aug 30 - Thu, Sep 3

12:25 pm - 1:29 pmIAH Houston George Bush Intcntl-EYW Key West

24h 04m2 stops Cincinnati Cinci./N. Kentucky Newark

2:15 pm - 8:12 amEYW Key West-IAH Houston George Bush Intcntl

18h 57m2 stops Newark Cincinnati Cinci./N. Kentucky

$1,030United Airlines

Mon, Aug 31 - Fri, Sep 4

8:22 pm - 1:29 pmIAH Houston George Bush Intcntl-EYW Key West

16h 07m2 stops Cincinnati Cinci./N. Kentucky Newark

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

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

$1,218United Airlines

Wed, Sep 2 - Wed, Sep 9

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Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets

Delta

Sep 5

IAH7:00 amHouston George Bush Intcntl

6h 52m

1 stop

EYW2:52 pmKey West

Sep 6

EYW11:48 amKey West

5h 07m

1 stop

IAH3:55 pmHouston George Bush Intcntl

$291

Delta

Sep 9

IAH6:10 amHouston George Bush Intcntl

12h 50m

2 stops

EYW8:00 pmKey West

Sep 12

EYW7:40 amKey West

4h 54m

1 stop

IAH11:34 amHouston George Bush Intcntl

$296

Delta

Sep 9

HOU2:25 pmHouston Hobby

4h 35m

1 stop

EYW8:00 pmKey West

Sep 19

EYW6:19 pmKey West

5h 20m

1 stop

HOU10:39 pmHouston Hobby

$310

American Airlines flights from Houston to Key West

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

American Airlines

Oct 3

IAH10:46 amHouston George Bush Intcntl

7h 31m

1 stop

EYW7:17 pmKey West

Oct 7

EYW10:24 amKey West

7h 20m

1 stop

IAH4:44 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

EYW2:34 pmKey West

6h 55m

1 stop

IAH8:29 pmHouston George Bush Intcntl

$310

American Airlines

Oct 23

IAH9:49 amHouston George Bush Intcntl

6h 09m

1 stop

EYW4:58 pmKey West

Oct 30

EYW8:03 pmKey West

4h 44m

1 stop

IAH11:47 pmHouston George Bush Intcntl

$329

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

Sat 10/3

8:25 pm-2:13 pm

1 stop16h 48m

Key West

Sun 10/11

8:41 pm-7:19 am

2 stops35h 38m

$212

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 10/3

8:25 pm-2:13 pm

1 stop16h 48m

Key West

Sat 10/10

9:52 am-7:19 am

2 stops22h 27m

$220

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 10/3

8:25 pm-2:13 pm

1 stop16h 48m

Key West

Sat 10/10

9:52 am-7:19 am

2 stops22h 27m

$221

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 10/3

10:46 am-7:17 pm

1 stop7h 31m

Key West

Sat 10/10

8:03 pm-11:47 pm

1 stop4h 44m

$291

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 10/3

10:46 am-7:17 pm

1 stop7h 31m

Key West

Wed 10/7

10:24 am-4:44 pm

1 stop7h 20m

$291

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Wed 9/9

12:21 pm-8:00 pm

1 stop6h 39m

Key West

Sat 9/12

7:40 am-1:30 pm

1 stop6h 50m

$291

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Wed 9/9

6:10 am-8:00 pm

2 stops12h 50m

Key West

Sat 9/12

7:40 am-11:34 am

1 stop4h 54m

$296

Quickest round-trip

HoustonKey West

HOU Houston Hobby - EYW Key West

HOUEYW

Houston Hobby

Fri 9/11

6:00 am-12:53 pm

1 stop5h 53m

Key West

Sat 9/19

6:19 pm-10:39 pm

1 stop5h 20m

$310

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Fri 10/23

8:15 pm-2:18 pm

2 stops17h 03m

Key West

Fri 10/30

2:51 pm-8:28 am

2 stops18h 37m

$610

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 12/12

5:05 pm-11:11 am

1 stop17h 06m

Key West

Sat 12/19

4:52 pm-7:00 pm

Nonstop3h 08m

$649

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 $355 to $564.
The lowest price recently found on this route was $212.

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 $406 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	$136
Fastest flight time	4h 53m
Direct flights	None

The best one-way flight to Key West from Houston in the past 72 hours is $136. The best round-trip flight deal from Houston to Key West found on momondo in the last 72 hours is $212.

The fastest flight from Houston to Key West takes 4h 53m

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 4h 53m.
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 August 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 10,135 reviews	Search United Airlines flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.1 12,022 reviews	Search American Airlines flights
Delta	PriceFrom $253	Free Cancellation	Rating 7.8 8,536 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.

An easier way to manage your Key West trip

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Cheap flights from Houston to Key West from $136

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 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets

American Airlines flights from Houston to Key West

Our best American Airlines 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

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.

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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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