Cheap Flights from Trenton (TTN) to Walla Walla (ALW)

Popular airlines from Trenton–Mercer Airport (TTN) to Walla Walla, WA (ALW-Walla Walla Regional)

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Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Walla Walla Regional Airport (ALW) cost?
Get a cheap one-way flight or cheap return flight from Mercer Airport (TTN) 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 Mercer Airport (TTN) to Walla Walla Regional Airport (ALW)?
Traveling in is a great way to save, as it's the cheapest month for flights between TTN and ALW. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Mercer Airport (TTN) to Walla Walla Regional Airport (ALW)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from TTN to ALW. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Mercer Airport (TTN) to Walla Walla Regional Airport (ALW)?
There aren't any daily nonstop flights from Mercer Airport (TTN) 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 TTN to ALW?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, carrier 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 Mercer Airport (TTN) to Walla Walla Regional Airport (ALW)?
To reach Walla Walla Regional Airport (ALW) without delays, book a flight that leaves Mercer Airport (TTN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Mercer Airport (TTN) to Walla Walla Regional Airport (ALW) last-minute?
Last-minute bookings from TTN to ALW are typically more expensive. For the lowest prices, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a TTN to ALW flight and hotel package?
Booking a TTN to ALW flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Walla Walla Regional Airport (ALW)?
If you booked your TTN to ALW flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Mercer
Destination airport
Walla Walla Regional
Distance
2198 mi

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Trenton to Walla Walla Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Trenton 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 Trenton 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 Trenton to Walla Walla in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Trenton 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 Trenton 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.

 

Trenton to Walla Walla Flights

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