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$317 Cheap Flights from San Diego (SAN) to Peoria (PIA)

View $317 flight on Sat, Oct 3, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Peoria, IL (PIA-Greater Peoria Regional)

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Cheap Flights from San Diego to Peoria (SAN-PIA)

Prices were available within the past 7 days and start at $317 for one-way flights and $351 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego
PIA
Peoria
$351 Roundtrip, found 5 hours ago
$351
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Nov 7 from San Diego to Peoria, returning Sat, Nov 14, priced at $351 found 5 hours ago
United
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego
PIA
Peoria
$351 Roundtrip, found 5 hours ago
$351
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 7 from San Diego to Peoria, returning Sat, Nov 14, priced at $351 found 5 hours ago
United
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego
PIA
Peoria
$356 Roundtrip, found 5 hours ago
$356
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 7 from San Diego to Peoria, returning Sat, Nov 14, priced at $356 found 5 hours ago
United
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego
PIA
Peoria
$361 Roundtrip, found 5 hours ago
$361
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 7 from San Diego to Peoria, returning Sat, Nov 14, priced at $361 found 5 hours ago
American Airlines
Wed, Nov 4 - Sun, Nov 8
SAN
San Diego
PIA
Peoria
$365 Roundtrip, found 11 hours ago
$365
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Nov 4 from San Diego to Peoria, returning Sun, Nov 8, priced at $365 found 11 hours ago
United
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego
PIA
Peoria
$367 Roundtrip, found 5 hours ago
$367
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 7 from San Diego to Peoria, returning Sat, Nov 14, priced at $367 found 5 hours ago
United
Tue, Nov 3 - Sat, Nov 7
SAN
San Diego
PIA
Peoria
$370 Roundtrip, found 11 hours ago
$370
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Nov 3 from San Diego to Peoria, returning Sat, Nov 7, priced at $370 found 11 hours ago
United
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego
PIA
Peoria
$372 Roundtrip, found 5 hours ago
$372
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Nov 7 from San Diego to Peoria, returning Sat, Nov 14, priced at $372 found 5 hours ago
United
Tue, Nov 3 - Sat, Nov 7
SAN
San Diego
PIA
Peoria
$376 Roundtrip, found 11 hours ago
$376
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Nov 3 from San Diego to Peoria, returning Sat, Nov 7, priced at $376 found 11 hours ago
American Airlines
Wed, Nov 18 - Sun, Nov 22
SAN
San Diego
PIA
Peoria
$379 Roundtrip, found 17 hours ago
$379
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Nov 18 from San Diego to Peoria, returning Sun, Nov 22, priced at $379 found 17 hours ago

What you need to know for your flight from San Diego Intl. to Greater Peoria Regional

San Diego (SAN) to Peoria (PIA) at a glance

Explore a range of airlines offering flights from San Diego International Airport (SAN) to Greater Peoria Regional Airport (PIA) on this domestic short-haul route. Whether you’re seeking cheap flights from San Diego or looking for a convenient itinerary, you can compare options from full-service carriers to find the best fit for your budget and travel schedule. Get ready to discover Peoria's iconic sights and charming neighborhoods as you plan your next flight.

  • Fastest flight duration: around 5h 15m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,600 miles (2,570 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$500, depending on seasonality and how far ahead you book

Flights from San Diego International Airport (SAN) to Greater Peoria Regional Airport (PIA)

Based on the latest traveler bookings, here are the top airlines favored for flights from San Diego to Peoria, particularly for one-stop and multi-stop options. Common layover points include O'Hare International Airport (ORD) with a layover of about 1 hour and 15 minutes, Dallas-Fort Worth International Airport (DFW) also at around 1 hour and 15 minutes, and Denver International Airport (DEN), which has a similar layover time. This variety allows you to adjust your choices based on price, total travel time, and cabin class to find the ideal itinerary.

  • American Airlines: This comprehensive airline provides one-stop service, with one-way ticket prices generally between $115 and $515. It operates about 67% of departures for this route, with an in-flight duration of 5 hours and 15 minutes, leading to an overall travel time of around 6 hours and 30 minutes, including layover time.
  • United: Another full-service airline, United offers both one-stop and multi-stop options, with one-way fares typically ranging from $150 to $485. It represents approximately 33% of the departures on this route, featuring a standard in-flight time of 5 hours and 15 minutes and a total travel time of about 6 hours and 30 minutes.

Best time to fly from San Diego (SAN) to Peoria (PIA)

The most popular months for travelers flying from San Diego to Peoria are April, June, and September, when peak temperatures in Peoria reach up to 72°F in June. If you prefer quieter travel, consider March, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.4°F. For better deals, January usually offers the lowest average one-way fare around $192. Flight availability peaks in June, with approximately 12 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $192, roughly 28% cheaper than the yearly average.
  • Most flight options: June has the highest number of flights from San Diego to Peoria, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.2°F (-3.8°C)Average7$192
February28.2°F (-2.1°C)Average7$326
March41.4°F (5.2°C)Moderately Low7$229
April51.6°F (10.9°C)Moderately High8$270
May63.0°F (17.2°C)Moderately Low7$257
June72.0°F (22.2°C)Moderately High12$326
July74.7°F (23.7°C)Average9$289
August73.2°F (22.9°C)Average8$227
September67.3°F (19.6°C)Moderately High7$269
October54.9°F (12.7°C)Average8$324
November41.9°F (5.5°C)Average8$271
December32.5°F (0.3°C)Moderately Low9$249

*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 route from San Diego (SAN) to Peoria (PIA)

  • San Diego to Bloomington (SAN-BMI): Central Illinois Regional Airport (BMI) is located approximately 43 miles from Greater Peoria Regional Airport (PIA). One-way economy tickets for this route generally fall between $185 and $675, influenced by the travel season and how early one books. Flights on this route usually involve a single stop, with common layover points being Dallas-Fort Worth International Airport (DFW) and O'Hare International Airport (ORD). Major airlines serving this route include American Airlines and Delta. Additionally, first-class service is offered on this journey.

How to find the best prices for flights from San Diego (SAN) to Peoria (PIA)

Getting some of the best deals on flights from San Diego to Peoria is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book within two to eight weeks. Morning departures, between 5 a.m. and 12 p.m., often provide lower prices and are the most popular times to fly. Additionally, flying on Tuesday generally offers cheaper rates, while Thursday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Peoria hotel and flight deals.
  4. 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.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. 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 Greater Peoria Regional Airport from San Diego International Airport

Peoria welcomes travelers from San Diego with a range of transport options based on price, convenience, and proximity. Here's how to reach Peoria efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Peoria, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Greater Peoria Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Greater Peoria Regional 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 Greater Peoria Regional Airport, Peoria Bus Station, a bus station, is located about 6.3 miles away by car, providing convenient access for travelers heading to their destinations.

Frequently asked questions

How much does a flight from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) cost?
You can find cheap one-way flights from $317 and cheap return flights from $351 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) with Expedia. One-way flights typically cost between $269 and $848, and return flights often range between $406 and $1557. 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
March is the cheapest month to fly from San Diego, CA (SAN) to Peoria, IL (PIA), with average return fares around $265. This fare is approximately 40% lower than the average price for the year, as demand is generally lower in early spring. Other affordable months to consider are January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
Enter SAN to PIA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from San Diego (SAN) to Peoria (PIA), with round-trip tickets starting from around $283 with a layover in Sky Harbor Intl. (PHX). 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
To find a cheap flight from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional), 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
When flying from San Diego, CA (SAN) to Peoria, IL (PIA), the best months to travel are March and January. January is a cost-effective option with average return flights around $265, while March is also popular for travelers. This combination provides a good balance of affordability and scheduling flexibility.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The earliest flight from San Diego International Airport (SAN) to Greater Peoria Regional (PIA) typically departs at around 6:00 AM, operated by American Airlines. This seasonal service can help you start your day early and maximize your time in Peoria. 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The most popular departure times for flights from San Diego International (SAN) to Greater Peoria Regional (PIA) are in the early morning, from 6am to 9am. About 41% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Peoria early and enjoy the day ahead.
How long does it take to fly from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
Flying from SAN to PIA with a connection usually takes about 7 hours 50 minutes, traveling roughly 1,611 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
First class is available on flights from SAN to PIA. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight with Expedia?
It's easy to earn miles on a San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 Peoria from San Diego Intl. (SAN)?
If you're planning to travel to Peoria from San Diego Intl. (SAN), you can fly into Greater Peoria Regional (PIA) Some flights may connect through major hubs like Sky Harbor Intl. (PHX), San Francisco Intl. (SFO), Los Angeles Intl. (LAX) before reaching Peoria. 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) at the last minute?
Typically, booking a last minute flight from San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight and hotel package?
Securing a San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight and hotel package 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 San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
If you booked your San Diego, CA (SAN-San Diego Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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
San Diego Intl.
Destination airport
Greater Peoria Regional
Airlines serving
American Airlines, United
Roundtrip price
$350
Distance
1611 mi

Book with confidence

San Diego to Peoria Flights

The cheapest times to fly from San Diego to Peoria

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

 

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

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

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 Peoria in 2026. You can also book with separate airlines for your outbound and return journeys, from $317 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 Peoria 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 Peoria 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.

 

San Diego to Peoria Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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