$180 Cheap Flights from Pasco (PSC) to San Diego (SAN)
Popular airlines from Tri-Cities Airport (PSC) to San Diego Intl. Airport (SAN)
Alaska AirlinesAlaska Airlines
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
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Cheap Flights from Pasco to San Diego (PSC-SAN)
Alternative airports near San Diego
Prices were available within the past 7 days. Prices and availability are subject to change.
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Pasco (PSC) to San Diego (SAN) at a glance
Experience a range of options for flights from Pasco (PSC) to San Diego (SAN) on this domestic short-haul route. Whether you're looking for full-service carriers or budget-friendly alternatives, you can easily compare itineraries to find the best fit for your travel needs and budget. Prepare to explore San Diego's iconic sights and vibrant neighborhoods as you plan your journey from Tri-Cities Airport to San Diego International Airport.
- Fastest flight duration: around 4 hours in-flight, plus roughly 1h 15m layover with one stop
- Route distance: roughly 900 miles (1,450 km)
- Flights per week: around 15+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $110–$340, depending on seasonality and how far ahead you book
Flights from Tri-Cities Airport (PSC) to San Diego International Airport (SAN)
According to the latest traveler bookings, here are the top airlines favored for flights from Pasco to San Diego, particularly for one-stop and multi-stop journeys. Popular layover options include Seattle-Tacoma International Airport (SEA) with approximately a 1-hour layover, San Francisco International Airport (SFO) with around a 2-hour layover, and Salt Lake City International Airport (SLC) featuring about a 2-hour and 30-minute layover. This variety allows you to customize your itinerary by balancing price, total travel time, and cabin class.
- Delta: As a full-service airline providing one-stop options, Delta dominates this route with around 53% of departures. One-way fares generally fall between $110 and $380, with a flight duration of about 4 hours and an overall travel time of approximately 5h 15m, including layover.
- Alaska Airlines: This full-service carrier offers both one-stop and multi-stop travel, representing about 22% of departures on the route. One-way fares typically range from $125 to $335. Expect around 4 hours of in-flight time, with a total journey lasting roughly 5h 15m.
- United: Providing one-stop services, United accounts for roughly 18% of flights on this route. One-way fares usually range from $110 to $375. You'll spend about 4 hours in the air, with the entire journey taking around 5h 15m, including layover.
- American Airlines: This full-service airline features one-stop services and makes up about 7% of departures for this route. One-way fares typically range from $120 to $450, with an in-flight duration of around 4 hours and a total travel time of approximately 5h 15m, including layover.
Travelers flying from Pasco to San Diego can enhance their journey by upgrading their flight. Delta provides options for both first class and premium economy, while United offers a first-class experience.
Best time to fly from Pasco (PSC) to San Diego (SAN)
The most popular months for travelers flying from Pasco to San Diego are January, March, and April, when peak temperatures in San Diego reach up to 60.6°F in April. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 68.2°F. For better deals, May usually offers the lowest average one-way fare around $175. Flight availability peaks in May, June, July, and August, with approximately 19 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 13 flights per week.
- Cheapest time to fly: May usually offers good deals with average one-way fare around $175, roughly 15% cheaper than the yearly average.
- More budget-friendly months to fly: October and September typically offer average one-way fares of around $187.
- Most flight options: May, June, July, and August have the highest number of flights from Pasco to San Diego, with approximately 19 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 57.4°F (14.1°C) | Slightly High | 13 | $199 |
| February | 56.8°F (13.8°C) | Average | 15 | $212 |
| March | 58.1°F (14.5°C) | Slightly High | 16 | $228 |
| April | 60.6°F (15.9°C) | Slightly High | 15 | $235 |
| May | 62.6°F (17.0°C) | Average | 19 | $175 |
| June | 66.4°F (19.1°C) | Average | 19 | $215 |
| July | 70.5°F (21.4°C) | Average | 19 | $193 |
| August | 72.3°F (22.4°C) | Average | 19 | $208 |
| September | 72.0°F (22.2°C) | Slightly Low | 16 | $188 |
| October | 68.2°F (20.1°C) | Slightly Low | 16 | $186 |
| November | 62.6°F (17.0°C) | Slightly Low | 14 | $229 |
| December | 57.4°F (14.1°C) | Average | 17 | $211 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Pasco (PSC) to San Diego (SAN)
- Walla Walla to San Diego (ALW-SAN): Walla Walla Regional Airport (ALW) lies approximately 42 miles from Tri-Cities Airport (PSC). One-way economy fares for this journey generally fluctuate between $115 and $300, influenced by the season and how early you book. Flights on this route usually involve one-stop services, primarily connecting through Seattle-Tacoma International Airport (SEA). Alaska Airlines and American Airlines are the leading carriers for this route, which also offers first-class service.
- Pasco to Carlsbad (PSC-CLD): McClellan-Palomar Airport (CLD) is located roughly 28 miles from San Diego International Airport (SAN). One-way economy prices on this route typically vary from $115 to $415, contingent on the season and the timing of your booking. This route is often served by one-stop flights, mainly connecting via Sky Harbor International Airport (PHX). American Airlines is the most frequently chosen airline for this particular route.
How to find the best prices for flights from Pasco (PSC) to San Diego (SAN)
Getting some of the best deals on flights from Pasco to San Diego is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which is also when most travelers make their reservations. Afternoon departures (12pm-6pm) often provide lower prices, although Morning flights (5am-12pm) are more popular, and flying on Wednesday not only offers cheaper fares but is also the most favored travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find San Diego hotel and flight deals.
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at San Diego International Airport from Tri-Cities Airport
San Diego welcomes travelers from Pasco with a range of transport options based on price, convenience, and proximity. Here's how to reach San Diego efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in San Diego, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from San Diego International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Diego International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From San Diego International Airport, Seaport, a seaport, is located about 0.1 miles away on foot, while Middletown Station, a metro station, is approximately 2.3 miles from the airport by car. For cruise travelers, B Street Cruise Ship Terminal sits about 3 miles away by car, offering convenient access to various transport options.
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 November. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $180 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 Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find cheap one-way flights from $180 and cheap return flights $308 Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) with Expedia. One-way flights typically cost between $175 and $994, and return flights often range between $342 and $1193. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
The cheapest month to fly from PSC to SAN is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
Enter PSC to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Pasco, WA (PSC) to San Diego, CA (SAN), with round-trip tickets starting from around $680 with a layover in Salt Lake City Intl. (SLC). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Tri-Cities Airport (PSC) in Pasco to San Diego International Airport (SAN) typically departs at around 5:00 AM, operated by American Airlines. An early departure like this allows you to enjoy a full day in sunny San Diego. This service operates seasonally in April. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
For flights from Pasco (PSC) to San Diego (SAN), the most popular departure times are in the early morning, from 6am to 9am. About 31% of passengers choose this time window. Alaska Airlines and United Airlines frequently operate flights during this period. Many travelers prefer this timing as it allows them to arrive in San Diego early and enjoy the day.
How long does it take to fly from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
Flights from PSC to SAN with one stop typically take around 5 hours, covering approximately 940 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
First class seats are offered on the PSC to SAN route. First class cabins are available on:
- American Airlines
- United Airlines
- Delta Air Lines
How do I earn miles on a Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Tri-Cities (PSC)?
If you're planning to travel to San Diego from Tri-Cities (PSC), you can fly into San Diego Intl. (SAN) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), San Francisco Intl. (SFO) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) San Diego Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Pasco, WA (PSC-Tri-Cities) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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.
Travel information
Origin airport | Tri-Cities Airport |
|---|---|
Destination airport | San Diego Intl. Airport |
Distance | 940 miles away |
Airlines serving | Alaska Airlines, Delta, American Airlines, United |
Popular airline | Alaska Airlines |
Roundtrip price | $308 |