$362+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PIA
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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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 November 3, 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 November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:06 am -
2 stops31h 33m
Sun 11/229:29 pm -
1 stop12h 26m
Deal found 11/2![Multiple Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/201:36 pm -
1 stop8h 28m
Mon 11/236:00 am -
1 stop6h 59m
Deal found 10/29![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/266:45 am -
1 stop8h 01m
Thu 12/32:36 pm -
2 stops9h 54m
Deal found 10/29![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 12/192:04 pm -
1 stop8h 11m
Sat 1/1612:37 pm -
1 stop8h 50m
Deal found 11/1![American Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/29![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/146:50 am -
1 stop7h 57m
Wed 11/186:25 am -
1 stop7h 02m
Deal found 10/30![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/132:08 pm -
1 stop7h 05m
Sat 11/148:41 am -
1 stop6h 15m
Deal found 10/31![United Airlines logo]()
$489
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 November 3, 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 November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:06 am -
2 stops31h 33m
Sun 11/229:29 pm -
1 stop12h 26m
Deal found 11/2![Multiple Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/201:36 pm -
1 stop8h 28m
Mon 11/236:00 am -
1 stop6h 59m
Deal found 10/30![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/266:45 am -
1 stop8h 01m
Thu 12/32:36 pm -
2 stops9h 54m
Deal found 10/29![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/29![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/182:18 pm -
1 stop6h 51m
Sun 11/225:37 pm -
1 stop8h 10m
Deal found 11/2![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/146:50 am -
1 stop7h 57m
Wed 11/1810:43 am -
2 stops8h 32m
Deal found 10/30![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/132:08 pm -
1 stop7h 05m
Sat 11/148:41 am -
1 stop6h 15m
Deal found 10/31![United Airlines logo]()
$489
Last-minute flights from San Diego to PeoriaDiscover last-minute flight deals from San Diego to Peoria. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Peoria. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/29![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/132:08 pm -
1 stop7h 05m
Sat 11/148:41 am -
1 stop6h 15m
Deal found 10/31![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/146:50 am -
1 stop7h 57m
Wed 11/186:25 am -
1 stop7h 02m
Deal found 10/30![United Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:06 am -
2 stops31h 33m
Sun 11/229:29 pm -
1 stop12h 26m
Deal found 11/2![Multiple Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/201:36 pm -
1 stop8h 28m
Mon 11/236:00 am -
1 stop6h 59m
Deal found 10/29![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/266:45 am -
1 stop8h 01m
Thu 12/32:36 pm -
2 stops9h 54m
Deal found 10/29![United Airlines logo]()
$384
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 November 3, 2026.
Search for one-way flight options from San Diego to Peoria. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/2910:45 pm -
1 stop16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/292:30 pm -
2 stops9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$614
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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $362 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $526 |
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 November 3, 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
Wed 11/18
11:06 am-8:39 pm
2 stops31h 33m
Greater Peoria
Sun 11/22
9:29 pm-7:55 am
1 stop12h 26m
$362
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Fri 11/20
1:36 pm-12:04 am
1 stop8h 28m
Greater Peoria
Mon 11/23
6:00 am-10:59 am
1 stop6h 59m
$379
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Thu 11/26
6:45 am-4:46 pm
1 stop8h 01m
Greater Peoria
Thu 12/3
2:36 pm-10:30 pm
2 stops9h 54m
$384
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Fri 11/13
11:21 am-11:13 pm
2 stops9h 52m
Greater Peoria
Sat 11/21
5:30 pm-10:40 pm
1 stop7h 10m
$419
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sun 11/29
10:45 pm-5:08 pm
1 stop16h 23m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$427
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Wed 11/18
2:18 pm-11:09 pm
1 stop6h 51m
Greater Peoria
Sun 11/22
5:37 pm-11:47 pm
1 stop8h 10m
$449
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sat 11/14
6:50 am-4:47 pm
1 stop7h 57m
Greater Peoria
Wed 11/18
10:43 am-5:15 pm
2 stops8h 32m
$454
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Fri 11/13
2:08 pm-11:13 pm
1 stop7h 05m
Greater Peoria
Sat 11/14
8:41 am-12:56 pm
1 stop6h 15m
$489
Quickest round-trip
San DiegoPeoria
SAN San Diego - PIA Greater Peoria
SANPIA
San Diego
Sun 11/29
2:30 pm-1:32 am
2 stops9h 02m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$614
Sorted 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | 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.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Peoria
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 November 3, 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.
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.3
Boarding
7.7
Crew
8.1
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.
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Complete your trip
Complete your trip to Peoria by adding a car rental and/or hotel reservation to your travel itinerary.
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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 November 3, 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 November 3, 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 November 3, 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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$358 | Average$549 | FlexibilityNo cancel fee | On-time71% |