$213+ Cheap flights from Peoria, IL to San Diego (PIA - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SAN
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Peoria to San Diego 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 Peoria to San Diego
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Best
Last-minute
One-way
Cheapest flights from Peoria to San DiegoExplore the most affordable flight options available from Peoria to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Peoria to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/319:06 pm
PIA
- SAN
1 stop17h 37m
Multiple Airlines
Sat 6/64:17 pm
SAN
- PIA
1 stop25h 57m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sat 5/308:08 pm
PIA
- SAN
1 stop18h 35m
Multiple Airlines
Sat 6/64:17 pm
SAN
- PIA
1 stop25h 57m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/319:06 pm
PIA
- SAN
1 stop17h 37m
Multiple Airlines
Mon 6/81:38 pm
SAN
- PIA
1 stop21h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sat 5/308:08 pm
PIA
- SAN
1 stop18h 35m
Multiple Airlines
Mon 6/81:38 pm
SAN
- PIA
1 stop21h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:33 pm
PIA
- SAN
1 stop7h 06m
United Airlines
Wed 6/310:40 pm
SAN
- PIA
1 stop9h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 9/11:21 pm
PIA
- SAN
2 stops9h 13m
United Airlines
Tue 9/151:53 pm
SAN
- PIA
1 stop6h 59m
United Airlines
Deal found 5/2![United Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Fri 5/296:58 pm
PIA
- SAN
1 stop6h 41m
American Airlines
Sun 6/710:45 pm
SAN
- PIA
1 stop8h 38m
American Airlines
Deal found 5/4![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 5/2. 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 9/612:20 pm
PIA
- SAN
2 stops7h 58m
American Airlines
Sat 10/242:09 pm
SAN
- PIA
1 stop8h 00m
American Airlines
Deal found 5/2![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 5/304:46 pm
PIA
- SAN
1 stop9h 13m
American Airlines
Sun 6/710:45 pm
SAN
- PIA
1 stop8h 38m
American Airlines
Deal found 5/5![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 5/266:58 pm
PIA
- SAN
1 stop6h 41m
American Airlines
Sat 6/612:46 pm
SAN
- PIA
2 stops9h 52m
American Airlines
Deal found 5/1![American Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Thu 6/49:04 pm
PIA
- SAN
1 stop17h 39m
Multiple Airlines
Thu 6/116:25 am
SAN
- PIA
1 stop11h 31m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$359
Best flights from Peoria to San DiegoDiscover carefully curated flight deals from Peoria to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Peoria to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:33 pm
PIA
- SAN
1 stop7h 06m
United Airlines
Wed 6/310:40 pm
SAN
- PIA
1 stop9h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 5/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:03 pm
PIA
- SAN
1 stop6h 36m
American Airlines
Mon 6/810:45 pm
SAN
- PIA
1 stop8h 38m
American Airlines
Deal found 5/3![American Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 9/15:45 am
PIA
- SAN
1 stop7h 30m
United Airlines
Tue 9/151:53 pm
SAN
- PIA
1 stop8h 29m
United Airlines
Deal found 5/2![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 5/264:46 pm
PIA
- SAN
1 stop9h 13m
American Airlines
Sat 6/610:45 pm
SAN
- PIA
1 stop8h 29m
American Airlines
Deal found 5/1![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 10/287:00 am
PIA
- SAN
1 stop6h 22m
United Airlines
Mon 11/22:09 pm
SAN
- PIA
1 stop8h 10m
United Airlines
Deal found 5/4![United Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 5/274:46 pm
PIA
- SAN
1 stop9h 13m
American Airlines
Wed 6/312:45 pm
SAN
- PIA
2 stops9h 53m
American Airlines
Deal found 5/1![American Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 8/292:33 pm
PIA
- SAN
1 stop9h 37m
United Airlines
Tue 9/11:53 pm
SAN
- PIA
1 stop8h 29m
United Airlines
Deal found 5/5![United Airlines logo]()
$421
Last-minute flights from Peoria to San DiegoDiscover last-minute flight deals from Peoria to San Diego. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to San Diego. Data last updated May 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 5/266:58 pm
PIA
- SAN
1 stop6h 41m
American Airlines
Sat 6/612:46 pm
SAN
- PIA
2 stops9h 52m
American Airlines
Deal found 5/1![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:33 pm
PIA
- SAN
1 stop7h 06m
United Airlines
Wed 6/310:40 pm
SAN
- PIA
1 stop9h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Fri 5/296:58 pm
PIA
- SAN
1 stop6h 41m
American Airlines
Sun 6/710:45 pm
SAN
- PIA
1 stop8h 38m
American Airlines
Deal found 5/4![American Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Fri 5/2912:53 pm
PIA
- SAN
1 stop10h 19m
Multiple Airlines
Sat 6/64:17 pm
SAN
- PIA
1 stop25h 57m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Fri 5/2912:53 pm
PIA
- SAN
1 stop10h 19m
Multiple Airlines
Mon 6/81:38 pm
SAN
- PIA
1 stop21h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sat 5/308:08 pm
PIA
- SAN
1 stop18h 35m
Multiple Airlines
Sat 6/64:17 pm
SAN
- PIA
1 stop25h 57m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sat 5/308:08 pm
PIA
- SAN
1 stop18h 35m
Multiple Airlines
Mon 6/81:38 pm
SAN
- PIA
1 stop21h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 5/304:46 pm
PIA
- SAN
1 stop9h 13m
American Airlines
Sun 6/710:45 pm
SAN
- PIA
1 stop8h 38m
American Airlines
Deal found 5/5![American Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/319:06 pm
PIA
- SAN
1 stop17h 37m
Multiple Airlines
Sat 6/64:17 pm
SAN
- PIA
1 stop25h 57m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/319:06 pm
PIA
- SAN
1 stop17h 37m
Multiple Airlines
Mon 6/81:38 pm
SAN
- PIA
1 stop21h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Thu 6/49:04 pm
PIA
- SAN
1 stop17h 39m
Multiple Airlines
Thu 6/116:25 am
SAN
- PIA
1 stop11h 31m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$359
One-way flights from Peoria to San DiegoSearch for one-way flight options from Peoria to San Diego. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Peoria to San Diego. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Thu 6/48:20 pm
PIA
- SAN
2 stops38h 27m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:49 pm
PIA
- SAN
1 stop8h 42m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$216
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 6/166:00 am
PIA
- SAN
1 stop14h 42m
American Airlines
Deal found 5/4![American Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 6/166:30 am
PIA
- SAN
2 stops10h 25m
United Airlines
Deal found 5/4![United Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/162:18 pm
PIA
- SAN
3 stops44h 30m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 6/42:33 pm
PIA
- SAN
2 stops21h 35m
United Airlines
Deal found 5/5![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 5/128:50 am
PIA
- SAN
1 stop5h 57m
United Airlines
Deal found 5/2![United Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 5/1212:12 pm
PIA
- SAN
2 stops8h 16m
American Airlines
Deal found 5/2![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:30 am
PIA
- SAN
1 stop6h 51m
United Airlines
Deal found 5/1![United Airlines logo]()
$424
Find flight deals from Peoria to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to San Diego (SAN). 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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $302 (Kiwi.com) |
One-way from | $213 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $478 |
Cheapflights Fare Finder
Customize your flight search to find flights from Peoria to San Diego 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 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from Peoria to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Wed 5/27
5:33 pm-10:39 pm
1 stop7h 06m
San Diego
Wed 6/3
10:40 pm-10:10 am
1 stop9h 30m
$321
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Tue 9/1
5:45 am-11:15 am
1 stop7h 30m
San Diego
Tue 9/15
1:53 pm-12:22 am
1 stop8h 29m
$321
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Wed 6/3
7:03 pm-11:39 pm
1 stop6h 36m
San Diego
Mon 6/8
10:45 pm-9:23 am
1 stop8h 38m
$335
Quickest round-trip
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Wed 10/28
7:00 am-11:22 am
1 stop6h 22m
San Diego
Mon 11/2
2:09 pm-12:19 am
1 stop8h 10m
$335
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Tue 5/26
4:46 pm-11:59 pm
1 stop9h 13m
San Diego
Sat 6/6
10:45 pm-9:14 am
1 stop8h 29m
$349
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Wed 5/27
4:46 pm-11:59 pm
1 stop9h 13m
San Diego
Wed 6/3
12:45 pm-12:38 am
2 stops9h 53m
$396
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Sat 8/29
2:33 pm-10:10 pm
1 stop9h 37m
San Diego
Tue 9/1
1:53 pm-12:22 am
1 stop8h 29m
$421
Cheapest one-way
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Thu 6/4
8:20 pm-8:47 am
2 stops38h 27m
$213
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Mon 7/13
12:49 pm-7:31 pm
1 stop8h 42m
$216
PeoriaSan Diego
PIA - SAN
PIASAN
Greater Peoria
Tue 6/16
6:00 am-6:42 pm
1 stop14h 42m
$337
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Peoria to San Diego
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 Peoria to San Diego in May.
| 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 Peoria, Illinois-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Peoria, Illinois-San Diego 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 Peoria, Illinois-San Diego 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 Peoria to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Peoria with our price prediction graph.
PIA-SAN
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 Peoria to San Diego
What is the cheapest month to book a flight from Peoria, Illinois to San Diego?
Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to San Diego (average of $328). Flying from Peoria, Illinois to San Diego in December is currently the most expensive (average of $613). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Peoria, Illinois to San Diego?
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated May 6, 2026.
See what other customers who have flown with United Airlines and American Airlines from Peoria to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Comfort
7.3
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Comfort
7.3
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from Peoria to San Diego. 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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Top 2 airlines flying from Peoria to San Diego
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$433 | FlexibilityNo cancel fee | On-time71% |