$113 Cheap Flights from San Diego (SAN) to Pasco (PSC)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from San Diego to Pasco (SAN-PSC)

Prices were available within the past 7 days and start at $113 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Hawaiian Airlines
Alaska Airlines
United
Alaska Airlines
Hawaiian Airlines
American Airlines
American Airlines
Delta
Flights from San Diego (SAN) to Pasco (PSC)
Origin airport
San Diego Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$224
Distance
940 mi

San Diego to Pasco Flights

The cheapest times to fly from San Diego to Pasco

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 San Diego to Pasco are during the month of June. You can find some of the cheapest flights from San Diego to Pasco with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Diego to Pasco

Sunday is one of the best days to book for cheap flights from San Diego to Pasco: 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 San Diego to Pasco

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 San Diego to Pasco in 2025. You can also book with separate airlines for your outbound and return journeys, from $113 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 San Diego to Pasco 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 San Diego to Pasco 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to PSC last minute?
Being a spontaneous soul is a wonderful way to explore the globe, but it’s not necessarily the wisest way to track down a cheap plane ticket. Consider booking your San Diego Intl. Airport (SAN) to PSC journey well ahead of time instead of leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. You can unleash your spontaneous side when you arrive in PSC!
What airports do you fly into for Pasco from San Diego?
From San Diego, you can travel to Pasco via Tri-Cities Airport (PSC), Walla Walla Regional Airport (ALW) and Eastern Oregon Regional Airport (PDT). It’s a good idea to check which airport is right for you before you make a decision. If you settle on Tri-Cities Airport (PSC), it’s roughly 2 mi northwest of the downtown area. Use the cash you save when booking your seat with Expedia to enjoy the city’s awesome attractions, such as Toyota Center and Gesa Stadium.
Can I change the date of my flight from San Diego Intl. Airport (SAN) to Tri-Cities Airport?
It’s a cinch to make amendments to your SAN to Tri-Cities Airport trip yourself. Just go to the Expedia Trips portal and hit “change flight.” Look for new flights and lock in the one that works best with your plans. You’ll see an estimate of your flight change fee, if applicable. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

Explore a world of travel with Expedia

*Available to One Key members.