The cheapest times to fly from ALW to SEA are

  • January 15th to March 11th
  • May 21st to July 15th (except the weeks of June 11th and July 2nd)
  • August 20th to November 18th (except the weeks of September 24th and October 1st)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ALW to SEA is early November. Prices can be as high as $456 for Sunday flights during mid December, or as low as $137 for Monday flights around early November.


When to Fly to Seattle

Flying from Walla Walla, WA (ALW) to Seattle, WA (SEA) will usually cost between $142 to $273 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $148. Due to high demand the most expensive time to fly is mid December, with an average price of $285. Planning your trip to low-cost times can easily save you $138 on economy flights and even more on first-class flights. Generally, any price below $167 can be considered a good price for a round-trip ALW to SEA flight.

See below for a graph of average weekly prices for the ALW to SEA route. All prices are for round-trip tickets in USD.

ALW to SEA Flight Prices

Compared to other flights, the ALW to SEA flight is much cheaper than the average and costs much less than the average flight leaving from Walla Walla. The average price per mile (for a direct flight) is $0.49, which is above average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $22 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $172. Return trip prices are from the SEA to ALW flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ALW to SEA can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 22 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from ALW to SEA? We’ve got answers.

Which airlines fly this route?

You can find 1 major airline flying this route most often: Alaska, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Walla Walla Regional Airport?

The distance between the two airports is roughly 212 miles or 341 kilometers.

How long does it take to fly from ALW to SEA?

The real-world flight time for a nonstop ALW to SEA flight is about 1 hour 22 minutes.

How many flights go between Walla Walla, WA and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 3 available flights from ALW to SEA.


Airport Location Info


Departing Airport

Origination code ALW
Origination airport name Walla Walla Regional Airport
City Walla Walla, WA
Country the United States
Latitude 46.1
Longitude -118.3

Return Airport

Destination code SEA
Destination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.