Title: Cheap Flights from Peoria (PIA) to San Diego (SAN) - Expedia.ca ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Peoria (PIA) to San Diego (SAN) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Peoria, IL (PIA-Greater Peoria Regional) to San Diego Intl. Airport (SAN) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:pia,to:san,departure:04/10/2025TANYT&leg2=from:san,to:pia,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pia,to:san,departure:04/10/2025TANYT&leg2=from:san,to:pia,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Peoria (PIA) to San Diego (SAN) ### February is typically the cheapest month to fly From CA $316 - CA $745 per traveller. ## Frequently asked questions ### How much is a flight from Peoria Intl. Airport to San Diego Intl. Airport (SAN)? > Start packing your bags, because round-trip flights from Greater Peoria Regional Airport (PIA) to San Diego Intl. Airport (SAN) start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from PIA to SAN? > Every air carrier has different terms and conditions. If you decide to cancel your escape, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from PIA to San Diego Intl. Airport (SAN) that have flexible change policies? > Flights from Peoria Intl. Airport to San Diego Airport with flexible change policies are available from several carriers. Simply use our "No change fees" filter when searching. You'll only need to pay the difference in ticket price, with no additional fees to worry about. ### How many hours is the flight from PIA to SAN? > The flight time from Greater Peoria Regional Airport (PIA) to San Diego Airport is roughly 6 hours and 17 minutes. Grab your headphones, listen to a good podcast and your trip will fly by. ### How far is the flight from Greater Peoria Regional Airport (PIA) to San Diego Intl. Airport (SAN)? > It's around 2,600 kilometres from Peoria Intl. Airport to San Diego Airport, so you'll be in your seat for a while. Keep yourself occupied by packing things like crossword puzzles or the latest bestseller. ### Which airlines fly direct from PIA to San Diego Intl. Airport (SAN)? > There are no direct flights, so you'll need to make at least one stop between Greater Peoria Regional Airport (PIA) and San Diego Intl. Airport (SAN). Use the layover time to stretch your legs and freshen up. ### Are Peoria Intl. Airport to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute? > It is possible to nab amazing last-minute deals from Greater Peoria Regional Airport (PIA) to San Diego Airport, but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals often, so you can rest assured you're always getting the latest offers. ## Travel information | Origin airport | Greater Peoria Regional | | --- | --- | | Destination airport | San Diego Intl. | | Distance | 2578 km | ## Book with confidence ### Peoria to San Diego Flights **The easy way to book your flights from Peoria to San Diego**  With Expedia, it’s simple to find and book flights to San Diego from Peoria whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to San Diego Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Peoria to San Diego today, tomorrow, or this week.   **Save dollars with cheap flights from Greater Peoria Regional, PIA to San Diego Intl., SAN**  Sort your search results by price to find great deals on your flight from Peoria to San Diego—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Diego from Peoria currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to San Diego   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to San Diego from Peoria**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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