The cheapest times to fly from LGA to PSC are

  • January 1st to March 4th (except the week of February 12th)
  • April 16th to May 6th
  • August 13th 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 LGA to PSC is early to mid September. Prices can be as high as $960 for Sunday flights during mid December, or as low as $334 for Tuesday flights around early to mid September.


When to Fly to Pasco

Flying from New York, NY (LGA) to Pasco/Kennewick/Richland, WA (PSC) will usually cost between $350 to $807 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $422. Due to high demand the most expensive time to fly is mid December, with an average price of $728. Planning your trip to low-cost times can easily save you $306 on economy flights and even more on first-class flights. Generally, any price below $554 can be considered a good price for a round-trip LGA to PSC flight.

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

LGA to PSC Flight Prices

Compared to other flights, the LGA to PSC flight is cheaper than the average and costs less than the average flight leaving from New York. The average price per mile (for a direct flight) is $0.15, which is far 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 $234 (34%) 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 $446. Return trip prices are from the PSC to LGA 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 LGA to PSC can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 4 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 LGA to PSC while comparing.

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

  • 120 miles (193 km) away from PSC
  • Usually 21.66% less expensive than PSC
  • 1-layover flights available

See LGA to GEG flights


Flight Hacking LGA to PSC

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 LGA to PSC — but Champion Traveler does!

Hack #1: Seattle, WA (LGA > SEA > PSC)

  • Price for both tickets: $463
  • Average savings: $91 (16.43%)

See LGA to SEA flights

Hack #2: Chicago, IL (LGA > ORD > PSC)

  • Price for both tickets: $529
  • Average savings: $26 (4.6%)

See LGA to ORD flights

Hack #3: Denver, CO (LGA > DEN > PSC)

  • Price for both tickets: $538
  • Average savings: $17 (2.98%)

See LGA to DEN flights


Flight Questions Answered

Still have questions about flying from LGA to PSC? 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 Tri Cities Airport to LaGuardia Airport?

The distance between the two airports is roughly 2266 miles or 3647 kilometers.

How long does it take to fly from LGA to PSC?

The real-world flight time for a nonstop LGA to PSC flight is about 5 hour 4 minutes.

How many flights go between New York, NY and Pasco/Kennewick/Richland, WA?

It depends on the day of the week and the date, but a typical day might have around 69 available flights from LGA to PSC.


Airport Location Info


Departing Airport

Origination code LGA
Origination airport name LaGuardia Airport
City New York, NY
Country the United States
Latitude 40.8
Longitude -73.9

Return Airport

Destination code PSC
Destination airport name Tri Cities Airport
City Pasco/Kennewick/Richland, WA
Country the United States
Latitude 46.3
Longitude -119.1


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.