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

Popular airlines from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $113 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Hawaiian Airlines
Bargain Flight
Bargain Flight
Alaska Airlines
Alaska Airlines
Hawaiian Airlines
American Airlines
Delta
American Airlines
Flights from Pasco (PSC) to San Diego (SAN)
Origin airport
Tri-Cities
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$239
Distance
940 mi

Pasco to San Diego Flights

The cheapest times to fly from Pasco to San Diego

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

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

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

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 Pasco to San Diego 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 Pasco to San Diego 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 Pasco to San Diego 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

How much does a flight from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from PSC to SAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PSC to SAN?
The cheapest flights from PSC to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PSC to SAN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PSC to SAN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN)?
You’ll need to catch a flight with a layover when traveling from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PSC to SAN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN)?
To avoid potential delays on the Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN) last-minute?
Booking your plane ticket from PSC to SAN just before your getaway is generally more expensive. But if you’re flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a PSC to SAN flight and hotel package?
Compared with arranging flights and hotels separately, booking a PSC to SAN flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN)?
If you booked your PSC to SAN flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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*Available to One Key members.