The cheapest times to fly from PSC to SEA are
- January 8th to February 4th
- April 9th to July 22nd (except the week of April 16th)
- August 20th 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 PSC to SEA is early to mid July. Prices can be as high as $287 for Thursday flights during early to mid December, or as low as $97 for Tuesday flights around early to mid July.
When to Fly to Seattle
Flying from Pasco/Kennewick/Richland, WA (PSC) to Seattle, WA (SEA) will usually cost between $97 to $170 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid July with an average ticket price of $97. Due to high demand the most expensive time to fly is early to mid December, with an average price of $182. Planning your trip to low-cost times can easily save you $85 on economy flights and even more on first-class flights. Generally, any price below $132 can be considered a good price for a round-trip PSC to SEA flight.
See below for a graph of average weekly prices for the PSC to SEA route. All prices are for round-trip tickets in USD.
Compared to other flights, the PSC to SEA flight is much cheaper than the average and costs much less than the average flight leaving from Pasco. The average price per mile (for a direct flight) is $0.48, which is a bit above average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Thursdays 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 $13 (10%) 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 $123. Return trip prices are from the SEA to PSC flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from PSC 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 17 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from PSC to SEA? We’ve got answers.
Which airlines fly this route?
You can find 4 major airlines flying this route most often: Alaska, Delta, Singapore Airlines, United, and potentially more during busy seasons.
How far away is it from Seattle/Tacoma International Airport to Tri Cities Airport?
The distance between the two airports is roughly 172 miles or 277 kilometers.
How long does it take to fly from PSC to SEA?
The real-world flight time for a nonstop PSC to SEA flight is about 1 hour 17 minutes.
How many flights go between Pasco/Kennewick/Richland, WA and Seattle, WA?
It depends on the day of the week and the date, but a typical day might have around 31 available flights from PSC to SEA.
Airport Location Info
|Origination airport name||Tri Cities Airport|
|Country||the United States|
|Destination airport name||Seattle/Tacoma International Airport|
|Country||the United States|
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.