$245+ Cheap flights from San Diego to Peoria, IL (SAN - PIA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PIA
Nov 6 — Nov 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to Peoria with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Peoria
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to PeoriaExplore the most affordable flight options available from San Diego to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
Explore the most affordable flight options available from San Diego to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:01 pm -
1 stop8h 08m
Sat 11/214:43 pm -
1 stop9h 16m
Deal found 10/2![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:21 am -
2 stops9h 52m
Sat 11/215:30 pm -
1 stop7h 10m
Deal found 10/2![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:08 pm -
1 stop7h 05m
Sat 10/318:41 am -
1 stop8h 14m
Deal found 10/5![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:07 pm -
1 stop6h 16m
Sat 10/316:00 am -
1 stop6h 38m
Deal found 10/2![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:44 am -
1 stop7h 43m
Sun 12/205:19 pm -
1 stop8h 17m
Deal found 10/6![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:18 pm -
1 stop6h 53m
Mon 11/2312:22 pm -
1 stop7h 39m
Deal found 10/5![American Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am -
1 stop6h 26m
Wed 10/213:41 pm -
1 stop9h 00m
Deal found 10/2![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
1 stop8h 33m
Wed 11/115:30 pm -
1 stop7h 10m
Deal found 10/3![United Airlines logo]()
$485
Best flights from San Diego to PeoriaDiscover carefully curated flight deals from San Diego to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
Discover carefully curated flight deals from San Diego to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:17 am -
1 stop7h 49m
Sat 10/318:15 am -
1 stop8h 57m
Deal found 10/6![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:18 pm -
1 stop6h 53m
Mon 11/2312:22 pm -
1 stop7h 39m
Deal found 10/6![American Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am -
1 stop6h 26m
Wed 10/213:41 pm -
1 stop9h 00m
Deal found 10/2![United Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
2 stops9h 02m
Sat 10/314:42 pm -
1 stop7h 04m
Deal found 10/2![American Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1312:39 pm -
1 stop6h 07m
Sun 12/208:05 am -
2 stops11h 16m
Deal found 10/4![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:26 pm -
1 stop6h 43m
Sun 12/208:05 am -
1 stop9h 09m
Deal found 10/5![United Airlines logo]()
$614
Last-minute flights from San Diego to PeoriaDiscover last-minute flight deals from San Diego to Peoria. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Peoria. Data last updated October 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:40 am -
1 stop6h 26m
Wed 10/213:41 pm -
1 stop9h 00m
Deal found 10/2![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
1 stop8h 33m
Wed 11/115:30 pm -
1 stop7h 10m
Deal found 10/3![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:08 pm -
1 stop7h 05m
Sat 10/318:41 am -
1 stop8h 14m
Deal found 10/5![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:07 pm -
1 stop6h 16m
Sat 10/316:00 am -
1 stop6h 38m
Deal found 10/2![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:01 pm -
1 stop8h 08m
Sat 11/214:43 pm -
1 stop9h 16m
Deal found 10/2![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:21 am -
2 stops9h 52m
Sat 11/215:30 pm -
1 stop7h 10m
Deal found 10/2![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:18 pm -
1 stop6h 53m
Mon 11/2312:22 pm -
1 stop7h 39m
Deal found 10/5![American Airlines logo]()
$414
One-way flights from San Diego to PeoriaSearch for one-way flight options from San Diego to Peoria. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
Search for one-way flight options from San Diego to Peoria. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/203:44 pm -
1 stop26h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:15 am -
2 stops8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:07 pm -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:53 am -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![American Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:34 pm -
3 stops39h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$710
Find flight deals from San Diego to Peoria
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Peoria (PIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $365 (American Airlines) |
One-way from | $245 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Peoria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 7, 2026.
Use the filters below to find and compare flights from San Diego to Peoria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sun 12/20
10:30 am-8:23 pm
1 stop7h 53m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Fri 10/30
11:17 am-9:06 pm
1 stop7h 49m
Greater Peoria
Sat 10/31
8:15 am-3:12 pm
1 stop8h 57m
$374
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sun 12/20
6:15 am-4:49 pm
2 stops8h 34m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$384
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Fri 11/20
2:18 pm-11:11 pm
1 stop6h 53m
Greater Peoria
Mon 11/23
12:22 pm-6:01 pm
1 stop7h 39m
$414
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sat 10/17
6:40 am-3:06 pm
1 stop6h 26m
Greater Peoria
Wed 10/21
3:41 pm-10:41 pm
1 stop9h 00m
$443
Quickest round-trip
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Tue 10/20
2:07 pm-11:13 pm
1 stop7h 06m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$449
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Fri 10/30
1:08 pm-12:10 am
2 stops9h 02m
Greater Peoria
Sat 10/31
4:42 pm-9:46 pm
1 stop7h 04m
$492
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sun 10/18
7:53 am-4:59 pm
1 stop7h 06m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$507
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sun 12/13
12:39 pm-8:46 pm
1 stop6h 07m
Greater Peoria
Sun 12/20
8:05 am-5:21 pm
2 stops11h 16m
$511
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Wed 12/16
2:26 pm-11:09 pm
1 stop6h 43m
Greater Peoria
Sun 12/20
8:05 am-3:14 pm
1 stop9h 09m
$614
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from San Diego to Peoria
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Peoria in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Peoria, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Peoria, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Peoria, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Peoria, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Peoria, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to Peoria
Have a flexible travel schedule? Discover the best time to fly to Peoria from San Diego with our price prediction graph.
SAN-PIA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Peoria
Get insights into the airlines that provide service to Peoria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Peoria. Reviews last updated October 7, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from San Diego to Peoria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from San Diego to Peoria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Peoria flight routes
Popular flights
Alternative routes for San Diego to Peoria
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Peoria by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Peoria by cabin class
Find flights from San Diego to Peoria, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Peoria flights
Browse other San Diego and Peoria flight options. Last updated on October 7, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.
Other flights to Peoria
Explore flights to Peoria departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Diego to Peoria
Discover the top 2 airlines that operate flights from San Diego to Peoria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$358 | Average$550 | FlexibilityNo cancel fee | On-time71% |