$661 Cheap Flights from Singapore (SIN) to Walla Walla (ALW)

View $661 flight on Thu, Mar 19, 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Walla Walla, WA (ALW-Walla Walla Regional)

Cheap Flights from Singapore to Walla Walla (SIN-ALW)

Prices were available within the past 7 days and start at $661 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Singapore (SIN) to Walla Walla (ALW)
Origin airport
Changi
Destination airport
Walla Walla Regional
Distance
8272 mi

Singapore to Walla Walla Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Singapore 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 Singapore 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 Singapore to Walla Walla in 2025. You can also book with separate airlines for your outbound and return journeys, from $661 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 Singapore 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 Singapore 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 is a flight from SIN to Walla Walla Regional Airport?
Round-trip tickets between Singapore Airport and ALW start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SIN to Walla Walla Regional Airport?
Most flights can be canceled online, but every airline has a different set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Singapore Airport to Walla Walla Regional Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Changi Airport (SIN) to Walla Walla Regional Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Changi Airport (SIN) to ALW?
The distance is around 8266 mi, so fill your carry-on luggage with everything you need to make your journey comfortable. Wondering what to take on board your Singapore to Walla Walla flight? A neck pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from Changi Airport (SIN) to Walla Walla Regional Airport?
Direct flights aren't available, so you'll need to make at least one stop between Changi Airport and Walla Walla Regional Airport (ALW). Use the layover time to stretch your legs and grab a coffee.
Are Changi Airport to Walla Walla Regional Airport (ALW) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from SIN to ALW, but it can also be hit-or-miss. As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals often, so you can rest assured you're always getting the latest offers.

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*Available to One Key members.