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Cheap flights from Houston to Key West from $160

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 7/6. 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
0 bags

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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
6:14 pm - 12:34 pm
IAH
-
EYW
17h 20m
2 stops
Multiple Airlines Logo
12:07 pm - 8:47 am
EYW
-
IAH
21h 40m
1 stop
$273Multiple Airlines
Mon, Aug 17 - Fri, Aug 21
Allegiant Air Logo
6:39 pm - 3:45 pm
HOU
-
EYW
20h 06m
2 stops
Allegiant Air Logo
10:31 am - 6:41 pm
EYW
-
HOU
9h 10m
1 stop
$278Allegiant Air
Thu, Jun 25 - Mon, Jun 29
American Airlines Logo
10:14 am - 6:45 pm
IAH
-
EYW
7h 31m
1 stop
American Airlines Logo
11:30 am - 5:26 pm
EYW
-
IAH
6h 56m
1 stop
$281American Airlines
Sat, Aug 15 - Tue, Aug 18
Multiple Airlines Logo
7:00 am - 8:08 am
IAH
-
EYW
24h 08m
2 stops
Multiple Airlines Logo
10:59 am - 9:00 pm
EYW
-
IAH
11h 01m
1 stop
$282Multiple Airlines
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
5:00 am - 4:11 pm
IAH
-
EYW
10h 11m
2 stops
American Airlines Logo
11:30 am - 5:26 pm
EYW
-
IAH
6h 56m
1 stop
$286American Airlines
Sat, Aug 15 - Tue, Aug 18
American Airlines Logo
8:19 am - 7:39 pm
IAH
-
EYW
10h 20m
2 stops
American Airlines Logo
11:30 am - 9:32 pm
EYW
-
IAH
11h 02m
2 stops
$291American Airlines
Sat, Aug 15 - Tue, Aug 18
American Airlines Logo
6:03 am - 4:07 pm
IAH
-
EYW
9h 04m
1 stop
American Airlines Logo
7:40 pm - 11:59 pm
EYW
-
IAH
5h 19m
1 stop
$295American Airlines
Tue, Jun 23 - Wed, Jul 1
American Airlines Logo
9:04 am - 7:39 pm
IAH
-
EYW
9h 35m
2 stops
American Airlines Logo
8:09 pm - 11:59 pm
EYW
-
IAH
4h 50m
1 stop
$300American Airlines
Wed, Aug 12 - Sat, Aug 15
Delta Logo
1:10 pm - 7:53 pm
HOU
-
EYW
5h 43m
1 stop
Delta Logo
7:50 am - 12:12 pm
EYW
-
HOU
5h 22m
1 stop
$309Delta
Fri, Jun 19 - Wed, Jun 24
Delta Logo
5:42 am - 12:09 pm
IAH
-
EYW
5h 27m
1 stop
Delta Logo
7:40 am - 1:27 pm
EYW
-
IAH
6h 47m
1 stop
$309Delta
Sat, Aug 1 - Tue, Aug 4

American Airlines flights from Houston to Key West

Our best American Airlines deals on Houston to Key West flight tickets
American Airlines
Aug 15
IAH10:14 amHouston George Bush Intcntl
7h 31m
1 stop
EYW6:45 pmKey West
Aug 18
EYW11:30 amKey West
6h 56m
1 stop
IAH5:26 pmHouston George Bush Intcntl
$281
American Airlines
Aug 15
IAH5:00 amHouston George Bush Intcntl
10h 11m
2 stops
EYW4:11 pmKey West
Aug 18
EYW11:30 amKey West
6h 56m
1 stop
IAH5:26 pmHouston George Bush Intcntl
$286
American Airlines
Aug 15
IAH8:19 amHouston George Bush Intcntl
10h 20m
2 stops
EYW7:39 pmKey West
Aug 18
EYW11:30 amKey West
11h 02m
2 stops
IAH9:32 pmHouston George Bush Intcntl
$291

Delta flights from Houston to Key West

Our best Delta deals on Houston to Key West flight tickets
Delta
Aug 1
IAH5:42 amHouston George Bush Intcntl
5h 27m
1 stop
EYW12:09 pmKey West
Aug 4
EYW7:40 amKey West
6h 47m
1 stop
IAH1:27 pmHouston George Bush Intcntl
$309
Delta
Aug 1
IAH5:42 amHouston George Bush Intcntl
5h 27m
1 stop
EYW12:09 pmKey West
Aug 31
EYW7:00 amKey West
12h 17m
2 stops
IAH6:17 pmHouston George Bush Intcntl
$314
Delta
Aug 19
IAH6:10 amHouston George Bush Intcntl
12h 44m
2 stops
EYW7:54 pmKey West
Aug 24
EYW7:40 amKey West
11h 00m
2 stops
IAH5:40 pmHouston George Bush Intcntl
$319

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 May 21, 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

Mon 8/17

6:14 pm-12:34 pm

2 stops17h 20m

Key West

Fri 8/21

12:07 pm-8:47 am

1 stop21h 40m

$273

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Thu 6/25

6:39 pm-3:45 pm

2 stops20h 06m

Key West

Mon 6/29

10:31 am-6:41 pm

1 stop9h 10m

$278

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

10:14 am-6:45 pm

1 stop7h 31m

Key West

Tue 8/18

11:30 am-5:26 pm

1 stop6h 56m

$281

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Thu 9/24

7:00 am-8:08 am

2 stops24h 08m

Key West

Mon 9/28

10:59 am-9:00 pm

1 stop11h 01m

$282

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

5:00 am-4:11 pm

2 stops10h 11m

Key West

Tue 8/18

11:30 am-5:26 pm

1 stop6h 56m

$286

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/15

8:19 am-7:39 pm

2 stops10h 20m

Key West

Tue 8/18

11:30 am-9:32 pm

2 stops11h 02m

$291

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Tue 6/23

6:03 am-4:07 pm

1 stop9h 04m

Key West

Wed 7/1

7:40 pm-11:59 pm

1 stop5h 19m

$295

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Wed 8/12

9:04 am-7:39 pm

2 stops9h 35m

Key West

Sat 8/15

8:09 pm-11:59 pm

1 stop4h 50m

$300
Quickest round-trip

HoustonKey West

HOU - EYW

HOUEYW

Houston Hobby

Fri 6/19

1:10 pm-7:53 pm

1 stop5h 43m

Key West

Wed 6/24

7:50 am-12:12 pm

1 stop5h 22m

$309

HoustonKey West

IAH - EYW

IAHEYW

Houston George Bush Intcntl

Sat 8/1

5:42 am-12:09 pm

1 stop5h 27m

Key West

Tue 8/4

7:40 am-1:27 pm

1 stop6h 47m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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, August 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 $217. If you are unable to visit Key West during the month of August, then departing from Houston during the month May is also very affordable. Most momondo users find prices during this month for around $217.

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 $354 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 $295 on momondo.

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

There is only 1 cabin class 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 40m

Direct flights

None
The fastest flight from Houston to Key West takes 4h 40m
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 40m.

  • 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
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,748 reviews
Search United Airlines 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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Sat 6/20
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