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Cheap flights from Houston to Key West from $155

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 9/7. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:45 pm - 11:25 amIAH  Houston George Bush Intcntl-EYW Key West
20h 40m1 stop Orlando
Multiple Airlines Logo
10:04 am - 10:30 pmEYW  Key West-IAH Houston George Bush Intcntl
37h 26m2 stops Tampa Atlanta Hartsfield-Jackson
$206Multiple Airlines
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
8:25 pm - 10:19 amIAH  Houston George Bush Intcntl-EYW Key West
12h 54m1 stop Orlando
Multiple Airlines Logo
10:04 am - 7:17 amEYW  Key West-IAH Houston George Bush Intcntl
46h 13m2 stops Tampa Atlanta Hartsfield-Jackson
$210Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
8:25 am - 9:24 amIAH  Houston George Bush Intcntl-EYW Key West
23h 59m2 stops Fort Lauderdale Tampa
Multiple Airlines Logo
10:59 am - 9:14 pmEYW  Key West-IAH Houston George Bush Intcntl
11h 15m1 stop Orlando
$220Multiple Airlines
Tue, Sep 29 - Fri, Oct 2
American Airlines Logo
9:50 am - 4:26 pmIAH  Houston George Bush Intcntl-EYW Key West
5h 36m1 stop Miami
American Airlines Logo
10:18 am - 4:07 pmEYW  Key West-IAH Houston George Bush Intcntl
6h 49m1 stop Miami
$291American Airlines
Sat, Dec 12 - Wed, Dec 16
Delta Logo
2:25 pm - 8:00 pmHOU  Houston Hobby-EYW Key West
4h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:19 pm - 10:39 pmEYW  Key West-HOU Houston Hobby
5h 20m1 stop Atlanta Hartsfield-Jackson
$291Delta
Wed, Sep 16 - Tue, Sep 22
Delta Logo
12:21 pm - 8:00 pmIAH  Houston George Bush Intcntl-EYW Key West
6h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 1:30 pmEYW  Key West-IAH Houston George Bush Intcntl
6h 50m1 stop Atlanta Hartsfield-Jackson
$291Delta
Wed, Sep 16 - Tue, Sep 22
Delta Logo
5:40 am - 12:53 pmIAH  Houston George Bush Intcntl-EYW Key West
6h 13m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:19 pm - 11:54 pmEYW  Key West-IAH Houston George Bush Intcntl
6h 35m1 stop Atlanta Hartsfield-Jackson
$291Delta
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
5:00 am - 1:03 pmIAH  Houston George Bush Intcntl-EYW Key West
7h 03m1 stop Miami
American Airlines Logo
8:03 pm - 11:47 pmEYW  Key West-IAH Houston George Bush Intcntl
4h 44m1 stop Miami
$310American Airlines
Mon, Oct 26 - Sat, Oct 31
United Airlines Logo
8:15 pm - 2:18 pmIAH  Houston George Bush Intcntl-EYW Key West
17h 03m2 stops Atlanta Hartsfield-Jackson Chicago O'Hare Intl
United Airlines Logo
2:51 pm - 12:55 pmEYW  Key West-IAH Houston George Bush Intcntl
23h 04m2 stops Newark Atlanta Hartsfield-Jackson
$592United Airlines
Fri, Oct 23 - Fri, Oct 30
United Airlines Logo
8:15 pm - 2:18 pmIAH  Houston George Bush Intcntl-EYW Key West
17h 03m2 stops Atlanta Hartsfield-Jackson Chicago O'Hare Intl
United Airlines Logo
2:51 pm - 12:55 pmEYW  Key West-IAH Houston George Bush Intcntl
23h 04m2 stops Newark Atlanta Hartsfield-Jackson
$625United Airlines
Fri, Oct 23 - Fri, Oct 30

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Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Sep 8
IAH5:40 amHouston George Bush Intcntl
6h 13m
1 stop
EYW12:53 pmKey West
Sep 15
EYW6:19 pmKey West
6h 35m
1 stop
IAH11:54 pmHouston George Bush Intcntl
$291
Delta
Nov 6
HOU6:09 amHouston Hobby
5h 44m
1 stop
EYW12:53 pmKey West
Nov 10
EYW6:02 pmKey West
6h 11m
1 stop
HOU11:13 pmHouston Hobby
$310
Delta
Sep 8
IAH7:00 amHouston George Bush Intcntl
4h 53m
1 stop
EYW12:53 pmKey West
Sep 15
EYW11:42 amKey West
11h 23m
2 stops
IAH10:05 pmHouston George Bush Intcntl
$315

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Oct 26
IAH5:00 amHouston George Bush Intcntl
7h 03m
1 stop
EYW1:03 pmKey West
Oct 31
EYW8:03 pmKey West
4h 44m
1 stop
IAH11:47 pmHouston George Bush Intcntl
$310
American Airlines
Sep 12
IAH10:46 amHouston George Bush Intcntl
7h 31m
1 stop
EYW7:17 pmKey West
Sep 19
EYW10:21 amKey West
6h 36m
1 stop
IAH3:57 pmHouston George Bush Intcntl
$327
American Airlines
Sep 19
IAH10:46 amHouston George Bush Intcntl
7h 31m
1 stop
EYW7:17 pmKey West
Sep 26
EYW10:21 amKey West
6h 36m
1 stop
IAH3:57 pmHouston George Bush Intcntl
$344

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 August 13, 2026.
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

Cheapest round-trip

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 9/5

1:45 pm-11:25 am

1 stop20h 40m

Key West

Wed 9/9

10:04 am-10:30 pm

2 stops37h 26m

$206

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 9/12

8:25 pm-10:19 am

1 stop12h 54m

Key West

Sat 9/19

10:04 am-7:17 am

2 stops46h 13m

$210

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Tue 9/29

8:25 am-9:24 am

2 stops23h 59m

Key West

Fri 10/2

10:59 am-9:14 pm

1 stop11h 15m

$220

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Sat 12/12

9:50 am-4:26 pm

1 stop5h 36m

Key West

Wed 12/16

10:18 am-4:07 pm

1 stop6h 49m

$291
Quickest round-trip

HoustonKey West

HOU Houston Hobby - EYW Key West

HOUEYW

Houston Hobby

Wed 9/16

2:25 pm-8:00 pm

1 stop4h 35m

Key West

Tue 9/22

6:19 pm-10:39 pm

1 stop5h 20m

$291

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Wed 9/16

12:21 pm-8:00 pm

1 stop6h 39m

Key West

Tue 9/22

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

Tue 9/8

5:40 am-12:53 pm

1 stop6h 13m

Key West

Tue 9/15

6:19 pm-11:54 pm

1 stop6h 35m

$291

HoustonKey West

IAH Houston George Bush Intcntl - EYW Key West

IAHEYW

Houston George Bush Intcntl

Mon 10/26

5:00 am-1:03 pm

1 stop7h 03m

Key West

Sat 10/31

8:03 pm-11:47 pm

1 stop4h 44m

$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-12:55 pm

2 stops23h 04m

$592

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-12:55 pm

2 stops23h 04m

$625

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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?

Prices are currently low for flights on this route.

Typical prices usually range from $328 to $604.
The lowest price recently found on this route was $206.

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 $338.

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 $387 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

Fastest flight time

4h 35m

Direct flights

None
The fastest flight from Houston to Key West takes 4h 35m
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 35m.

  • 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 $238Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.1
11,913 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
7.8
8,505 reviews
Search Delta 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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