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Cheap flights from Houston to Key West from $125

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 8/8. 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
7:23 pm - 11:27 am
IAH
-
EYW
15h 04m
1 stop
Multiple Airlines Logo
9:42 pm - 8:45 am
EYW
-
IAH
12h 03m
1 stop
$205Multiple Airlines
Thu, Aug 13 - Sun, Aug 16
Multiple Airlines Logo
7:23 pm - 11:27 am
IAH
-
EYW
15h 04m
1 stop
Multiple Airlines Logo
12:07 pm - 2:32 pm
EYW
-
IAH
27h 25m
1 stop
$209Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
4:32 pm - 12:34 pm
IAH
-
EYW
19h 02m
2 stops
Multiple Airlines Logo
12:07 pm - 8:02 am
EYW
-
IAH
20h 55m
1 stop
$217Multiple Airlines
Mon, Aug 24 - Fri, Aug 28
Multiple Airlines Logo
7:23 pm - 11:27 am
IAH
-
EYW
15h 04m
1 stop
Multiple Airlines Logo
12:07 pm - 6:25 pm
EYW
-
IAH
7h 18m
1 stop
$226Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
4:39 pm - 10:19 am
IAH
-
EYW
16h 40m
1 stop
Multiple Airlines Logo
12:59 pm - 3:05 pm
EYW
-
IAH
27h 06m
2 stops
$228Multiple Airlines
Sat, Sep 12 - Fri, Sep 18
Delta Logo
6:00 am - 1:00 pm
HOU
-
EYW
6h 00m
1 stop
Delta Logo
4:00 pm - 9:23 pm
EYW
-
HOU
6h 23m
1 stop
$281Delta
Tue, Aug 25 - Sat, Aug 29
Delta Logo
1:00 pm - 7:43 pm
HOU
-
EYW
5h 43m
1 stop
Delta Logo
7:00 am - 12:14 pm
EYW
-
HOU
6h 14m
1 stop
$300Delta
Tue, Dec 8 - Tue, Dec 15
Delta Logo
6:00 am - 1:04 pm
HOU
-
EYW
6h 04m
1 stop
Delta Logo
6:11 pm - 11:09 pm
EYW
-
HOU
5h 58m
1 stop
$319Delta
Fri, Oct 23 - Fri, Oct 30
Delta Logo
1:00 pm - 7:43 pm
HOU
-
EYW
5h 43m
1 stop
Delta Logo
2:35 pm - 9:43 pm
EYW
-
HOU
8h 08m
1 stop
$330Delta
Tue, Dec 8 - Thu, Dec 17
American Airlines Logo
9:05 am - 4:22 pm
HOU
-
EYW
6h 17m
1 stop
American Airlines Logo
2:31 pm - 7:47 pm
EYW
-
HOU
6h 16m
1 stop
$372American Airlines
Sat, Dec 12 - Wed, Dec 16

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Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Aug 25
HOU6:00 amHouston Hobby
6h 00m
1 stop
EYW1:00 pmKey West
Aug 29
EYW4:00 pmKey West
6h 23m
1 stop
HOU9:23 pmHouston Hobby
$281
Delta
Dec 8
IAH5:25 amHouston George Bush Intcntl
13h 18m
2 stops
EYW7:43 pmKey West
Dec 15
EYW6:00 pmKey West
6h 58m
1 stop
IAH11:58 pmHouston George Bush Intcntl
$286
Delta
Dec 8
HOU1:00 pmHouston Hobby
5h 43m
1 stop
EYW7:43 pmKey West
Dec 15
EYW7:00 amKey West
6h 14m
1 stop
HOU12:14 pmHouston Hobby
$300

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Aug 1
IAH10:18 amHouston George Bush Intcntl
7h 30m
1 stop
EYW6:48 pmKey West
Aug 31
EYW8:09 pmKey West
4h 50m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$336
American Airlines
Aug 15
IAH6:00 amHouston George Bush Intcntl
11h 40m
2 stops
EYW6:40 pmKey West
Aug 22
EYW7:10 pmKey West
5h 49m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$339
American Airlines
Oct 17
IAH9:49 amHouston George Bush Intcntl
6h 09m
1 stop
EYW4:58 pmKey West
Oct 22
EYW2:35 pmKey West
6h 54m
1 stop
IAH8:29 pmHouston George Bush Intcntl
$353

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 July 20, 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 - EYW

IAHEYW

Houston George Bush Intcntl

Thu 8/13

7:23 pm-11:27 am

1 stop15h 04m

Key West

Sun 8/16

9:42 pm-8:45 am

1 stop12h 03m

$205

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 8/13

7:23 pm-11:27 am

1 stop15h 04m

Key West

Mon 8/17

12:07 pm-2:32 pm

1 stop27h 25m

$209

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Mon 8/24

4:32 pm-12:34 pm

2 stops19h 02m

Key West

Fri 8/28

12:07 pm-8:02 am

1 stop20h 55m

$217

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 8/13

7:23 pm-11:27 am

1 stop15h 04m

Key West

Mon 8/17

12:07 pm-6:25 pm

1 stop7h 18m

$226

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 9/12

4:39 pm-10:19 am

1 stop16h 40m

Key West

Fri 9/18

12:59 pm-3:05 pm

2 stops27h 06m

$228

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 8/25

6:00 am-1:00 pm

1 stop6h 00m

Key West

Sat 8/29

4:00 pm-9:23 pm

1 stop6h 23m

$281
Quickest round-trip

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 12/8

1:00 pm-7:43 pm

1 stop5h 43m

Key West

Tue 12/15

7:00 am-12:14 pm

1 stop6h 14m

$300

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 10/23

6:00 am-1:04 pm

1 stop6h 04m

Key West

Fri 10/30

6:11 pm-11:09 pm

1 stop5h 58m

$319

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Tue 12/8

1:00 pm-7:43 pm

1 stop5h 43m

Key West

Thu 12/17

2:35 pm-9:43 pm

1 stop8h 08m

$330

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Sat 12/12

9:05 am-4:22 pm

1 stop6h 17m

Key West

Wed 12/16

2:31 pm-7:47 pm

1 stop6h 16m

$372

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, 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 $273. 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 $395 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

5h 28m

Direct flights

None
The fastest flight from Houston to Key West takes 5h 28m
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 5h 28m.

  • 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
10,015 reviews
Search United Airlines flights
American AirlinesPriceFrom $247Free CancellationRating
7.1
11,832 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
7.8
8,483 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

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