$214 Cheap Flights from Philadelphia (PHL) to Walla Walla (ALW)

View $214 flight on Tue, Dec 16, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Walla Walla, WA (ALW-Walla Walla Regional)

Cheap Flights from Philadelphia to Walla Walla (PHL-ALW)

Prices were available within the past 7 days and start at $214 for one-way flights and $372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Dec 10 - Wed, Dec 31
PHL
Philadelphia
ALW
Walla Walla
$372 Roundtrip, found 5 days ago
$372
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 10 from Philadelphia to Walla Walla, returning Wed, Dec 31, priced at $372 found 5 days ago
Hawaiian Airlines
Thu, Dec 11 - Wed, Dec 31
PHL
Philadelphia
ALW
Walla Walla
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, Dec 11 from Philadelphia to Walla Walla, returning Wed, Dec 31, priced at $382 found 5 days ago
Hawaiian Airlines
Mon, Dec 15 - Wed, Dec 31
PHL
Philadelphia
ALW
Walla Walla
$392 Roundtrip, found 5 days ago
$392
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Dec 15 from Philadelphia to Walla Walla, returning Wed, Dec 31, priced at $392 found 5 days ago
Hawaiian Airlines
Wed, Dec 10 - Thu, Dec 25
PHL
Philadelphia
ALW
Walla Walla
$400 Roundtrip, found 6 days ago
$400
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 10 from Philadelphia to Walla Walla, returning Thu, Dec 25, priced at $400 found 6 days ago
Hawaiian Airlines
Thu, Dec 11 - Thu, Dec 25
PHL
Philadelphia
ALW
Walla Walla
$410 Roundtrip, found 6 days ago
$410
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Dec 11 from Philadelphia to Walla Walla, returning Thu, Dec 25, priced at $410 found 6 days ago
Hawaiian Airlines
Sun, Dec 14 - Wed, Dec 31
PHL
Philadelphia
ALW
Walla Walla
$413 Roundtrip, found 5 days ago
$413
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sun, Dec 14 from Philadelphia to Walla Walla, returning Wed, Dec 31, priced at $413 found 5 days ago
Alaska Airlines
Sat, Dec 13 - Tue, Dec 30
PHL
Philadelphia
ALW
Walla Walla
$420 Roundtrip, found 5 days ago
$420
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Dec 13 from Philadelphia to Walla Walla, returning Tue, Dec 30, priced at $420 found 5 days ago
Hawaiian Airlines
Sun, Dec 14 - Wed, Dec 24
PHL
Philadelphia
ALW
Walla Walla
$433 Roundtrip, found 6 days ago
$433
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sun, Dec 14 from Philadelphia to Walla Walla, returning Wed, Dec 24, priced at $433 found 6 days ago
Alaska Airlines
Sat, Dec 13 - Tue, Dec 30
PHL
Philadelphia
ALW
Walla Walla
$442 Roundtrip, found 5 days ago
$442
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Dec 13 from Philadelphia to Walla Walla, returning Tue, Dec 30, priced at $442 found 5 days ago
American Airlines
Sat, Dec 13 - Tue, Dec 30
PHL
Philadelphia
ALW
Walla Walla
$536 Roundtrip, found 5 days ago
$536
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Dec 13 from Philadelphia to Walla Walla, returning Tue, Dec 30, priced at $536 found 5 days ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW) cost?
Get a cheap one-way flight from $214 or cheap return flight from $372 from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW)?
December is the least expensive month to fly from PHL to ALW. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHL to ALW. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW)?
There aren't any daily direct flights departing from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PHL to ALW?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW)?
Book a flight from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW) last-minute?
Last-minute fares from PHL to ALW are generally more expensive. For the lowest rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a PHL to ALW flight and hotel package?
Booking a PHL to ALW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Walla Walla Regional Airport (ALW)?
Typically, it's possible to cancel or reschedule your PHL to ALW 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 possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Walla Walla Regional
Airlines serving
Alaska Airlines
Roundtrip price
$372
Distance
2189 mi

Book with confidence

Philadelphia to Walla Walla Flights

The cheapest times to fly from Philadelphia 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 Philadelphia to Walla Walla are during the month of December. You can find some of the cheapest flights from Philadelphia to Walla Walla with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Walla Walla in 2025. You can also book with separate airlines for your outbound and return journeys, from $214 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 Philadelphia 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 Philadelphia 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.

 

Philadelphia to Walla Walla Flights

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*Available to One Key members.