$100 Cheap Flights from Houston (HOU) to Key West (EYW)

View $100 flight on Sun, Aug 31, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Key West Intl. Airport (EYW)

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Cheap Flights from Houston to Key West (HOU-EYW)

Prices were available within the past 7 days and start at $100 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 3 - Tue, Mar 10
IAH
Houston
EYW
Key West
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select United flight, departing Tue, Mar 3 from Houston to Key West, returning Tue, Mar 10, priced at $217 found 2 days ago
American Airlines
Sun, Aug 31 - Wed, Sep 3
IAH
Houston
EYW
Key West
$218 Roundtrip, found 3 days ago
$218
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 31 from Houston to Key West, returning Wed, Sep 3, priced at $218 found 3 days ago
Delta
Tue, Aug 26 - Sun, Aug 31
IAH
Houston
EYW
Key West
$218 Roundtrip, found 9 hours ago
$218
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Aug 26 from Houston to Key West, returning Sun, Aug 31, priced at $218 found 9 hours ago
American Airlines
Sun, Aug 31 - Wed, Sep 3
HOU
Houston
EYW
Key West
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 31 from Houston to Key West, returning Wed, Sep 3, priced at $219 found 3 days ago
American Airlines
Sun, Aug 31 - Sat, Sep 6
IAH
Houston
EYW
Key West
$219 Roundtrip, found 4 days ago
$219
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Aug 31 from Houston to Key West, returning Sat, Sep 6, priced at $219 found 4 days ago
Delta
Sun, Aug 31 - Wed, Sep 3
HOU
Houston
EYW
Key West
$227 Roundtrip, found 3 days ago
$227
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 31 from Houston to Key West, returning Wed, Sep 3, priced at $227 found 3 days ago
Delta
Sun, Aug 31 - Wed, Sep 3
IAH
Houston
EYW
Key West
$228 Roundtrip, found 3 days ago
$228
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 31 from Houston to Key West, returning Wed, Sep 3, priced at $228 found 3 days ago
American Airlines
Sun, Aug 31 - Fri, Sep 5
IAH
Houston
EYW
Key West
$231 Roundtrip, found 3 days ago
$231
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 31 from Houston to Key West, returning Fri, Sep 5, priced at $231 found 3 days ago
American Airlines
Sat, Nov 1 - Sat, Nov 8
IAH
Houston
EYW
Key West
$237 Roundtrip, just found
$237
Roundtrip
just found
Select American Airlines flight, departing Sat, Nov 1 from Houston to Key West, returning Sat, Nov 8, priced at $237 just found
Delta
Sun, Aug 17 - Sun, Aug 31
HOU
Houston
EYW
Key West
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 17 from Houston to Key West, returning Sun, Aug 31, priced at $238 found 3 days ago

Find the cheapest month to fly from Houston (HOU) to Key West (EYW)

September is typically the cheapest month to fly

From $178 - $428 per traveler.

Graph displaying average flight prices per month

Alternative airports near Key West

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $516
EYW
Key West Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $516
Flights from Houston (IAH) to Key West (EYW)
Origin airport
George Bush Intercontinental
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$217
Distance
914 mi

Houston to Key West Flights

The cheapest times to fly from Houston to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Key West are during the month of March. You can find some of the cheapest flights from Houston to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Key West

Sunday is one of the best days to book for cheap flights from Houston to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW) cost?
Discover the latest flight deals from HOU to EYW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HOU to EYW?
The cheapest flights from HOU to EYW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW)?
Direct flights aren't available from Houston, TX (HOU-William P. Hobby) to Key West Intl. Airport (EYW). However, you can find other airports that offer nonstop flights. Start your journey at George Bush Intercontinental Airport (IAH) and travel straight to Key West without any detours.
What is the cheapest airline that flies from HOU to EYW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HOU to EYW. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW)?
You'll have to book a flight with a layover if you're traveling from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HOU to EYW?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW)?
To land at Key West Intl. Airport (EYW) on time, opt for a flight that leaves from William P. Hobby Airport (HOU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW) last-minute?
Last-minute bookings from HOU to EYW are typically more expensive. To secure the lowest prices, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a HOU to EYW flight and hotel package?
You'll generally save money by booking a HOU to EYW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Key West Intl. Airport (EYW)?
It's generally possible to cancel or reschedule your HOU to EYW flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.