The cheapest times to fly from SDF to ALW are

  • January 1st to May 6th (except the weeks of March 26th and April 16th)
  • October 22nd to November 18th

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 SDF to ALW is late January. Prices can be as high as $1275 for Sunday flights during late March, or as low as $379 for Tuesday flights around late January.


When to Fly to Walla Walla

Flying from Louisville, KY (SDF) to Walla Walla, WA (ALW) will usually cost between $495 to $1014 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $529. Due to high demand the most expensive time to fly is late March, with an average price of $923. Planning your trip to low-cost times can easily save you $394 on economy flights and even more on first-class flights. Generally, any price below $742 can be considered a good price for a round-trip SDF to ALW flight.

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

SDF to ALW Flight Prices

Compared to other flights, the SDF to ALW flight is cheaper than the average and costs about as much as the average flight leaving from Louisville. The average price per mile (for a direct flight) is $0.26, which is below average.


Flight Prices by Day of the Week

Tuesday 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 $316 (35%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $577. Return trip prices are from the ALW to SDF 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 SDF to ALW can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 7 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SDF to ALW while comparing.

Destination alternative #1: Spokane International Airport (GEG) in Spokane, WA

  • 111 miles (179 km) away from ALW
  • Usually 34.37% less expensive than ALW
  • 1-layover flights available

See SDF to GEG flights

Destination alternative #2: Tri Cities Airport (PSC) in Pasco/Kennewick/Richland, WA

  • 42 miles (68 km) away from ALW
  • Usually 21.29% less expensive than ALW
  • 1-layover flights available

See SDF to PSC flights

Destination alternative #3: Yakima Air Terminal/McAllister Field Airport (YKM) in Yakima, WA

  • 113 miles (182 km) away from ALW
  • Usually 11.59% less expensive than ALW
  • 2-layover flights available

See SDF to YKM flights


Flight Hacking SDF to ALW

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SDF to ALW — but Champion Traveler does!

Hack #1: Los Angeles, CA (SDF > LAX > ALW)

  • Price for both tickets: $568
  • Average savings: $175 (23.52%)

See SDF to LAX flights

Hack #2: Seattle, WA (SDF > SEA > ALW)

  • Price for both tickets: $571
  • Average savings: $171 (23.05%)

See SDF to SEA flights

Hack #3: Chicago, IL (SDF > ORD > ALW)

  • Price for both tickets: $611
  • Average savings: $132 (17.72%)

See SDF to ORD flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Walla Walla Regional Airport to Louisville International-Standiford Field Airport?

The distance between the two airports is roughly 1741 miles or 2802 kilometers.

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

The real-world flight time for a nonstop SDF to ALW flight is about 4 hour 7 minutes.

How many flights go between Louisville, KY and Walla Walla, WA?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from SDF to ALW.


Airport Location Info


Departing Airport

Origination codeSDF
Origination airport nameLouisville International-Standiford Field Airport
CityLouisville, KY
Countrythe United States

Return Airport

Destination codeALW
Destination airport nameWalla Walla Regional Airport
CityWalla Walla, WA
Countrythe United States


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.