$317 Cheap Flights from Houston (HOU) to Walla Walla (ALW)

View $317 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Walla Walla, WA (ALW-Walla Walla Regional)

Cheap Flights from Houston to Walla Walla (HOU-ALW)

Prices were available within the past 7 days and start at $317 for one-way flights and $806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 15 - Mon, Apr 20
HOU
Houston
ALW
Walla Walla
$806 Roundtrip, found 6 hours ago
$806
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Apr 15 from Houston to Walla Walla, returning Mon, Apr 20, priced at $806 found 6 hours ago

Alternative airports near Walla Walla

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

Select flight to Walla Walla Regional ALW. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $517
ALW
Walla Walla Regional
CheapestClosest
Average driving time to city center6 min
Flights from $517
Flights from Houston (HOU) to Walla Walla (ALW)
Origin airport
William P. Hobby
Destination airport
Walla Walla Regional
Airlines serving
American Airlines
Roundtrip price
$806
Distance
1680 mi

Houston to Walla Walla Flights

The cheapest times to fly from Houston to Walla Walla

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 Walla Walla are during the month of April. You can find some of the cheapest flights from Houston to Walla Walla with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Walla Walla

Sunday is one of the best days to book for cheap flights from Houston to Walla Walla: 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 Walla Walla

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 Walla Walla in 2025. You can also book with separate airlines for your outbound and return journeys, from $317 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 Walla Walla 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 Walla Walla 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 Walla Walla Regional Airport (ALW) cost?
Snag a cheap one-way flight from $317 or cheap return flight from $806 from William P. Hobby Airport (HOU) to Walla Walla Regional Airport (ALW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Walla Walla Regional Airport (ALW)?
The cheapest month to fly from HOU to ALW is April, when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Walla Walla Regional Airport (ALW)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from HOU to ALW. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from William P. Hobby Airport (HOU) to Walla Walla Regional Airport (ALW)?
There aren't any daily nonstop flights available from William P. Hobby Airport (HOU) to Walla Walla Regional Airport (ALW). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from HOU to ALW?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Walla Walla Regional Airport (ALW)?
To avoid potential delays on the William P. Hobby Airport (HOU) to Walla Walla Regional Airport (ALW) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Walla Walla Regional Airport (ALW) last-minute?
Last-minute bookings from HOU to ALW are usually more expensive. For the cheapest rates, start searching for flights as soon as possible. That said, if you're flexible with your travel plans, you may score a cheap ticket right before you leave.
Is it cheaper to book a HOU to ALW flight and hotel package?
You can save money by securing a HOU to ALW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding 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 Walla Walla Regional Airport (ALW)?
In most cases, you can cancel or reschedule your HOU to ALW flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.