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Cheap flights from Peoria, Illinois to San Diego from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to San Diego departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Peoria, Illinois to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:30 am - 11:48 amPIA-SAN
7h 18m1 stop
United Airlines Logo
1:00 pm - 8:47 pmSAN-PIA
5h 47m1 stop
$289United Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 24
United Airlines Logo
6:30 am - 3:04 pmPIA-SAN
10h 34m2 stops
United Airlines Logo
7:00 am - 4:43 pmSAN-PIA
7h 43m1 stop
$294United Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 25
United Airlines Logo
3:30 pm - 11:37 pmPIA-SAN
10h 07m2 stops
United Airlines Logo
11:08 am - 8:47 pmSAN-PIA
7h 39m2 stops
$299United Airlines
Find Deal
Mon, Jan 5 - Sat, Jan 17
United Airlines Logo
5:19 pm - 10:51 pmPIA-SAN
7h 32m1 stop
United Airlines Logo
11:10 am - 8:47 pmSAN-PIA
7h 37m1 stop
$311United Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 6
United Airlines Logo
5:19 pm - 10:51 pmPIA-SAN
7h 32m1 stop
United Airlines Logo
8:37 pm - 10:10 amSAN-PIA
11h 33m2 stops
$317United Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 6
United Airlines Logo
5:19 pm - 10:51 pmPIA-SAN
7h 32m1 stop
United Airlines Logo
8:45 pm - 10:10 amSAN-PIA
11h 25m2 stops
$318United Airlines
Find Deal
Thu, Jan 1 - Mon, Jan 5
American Airlines Logo
7:39 am - 6:31 pmPIA-SAN
12h 52m2 stops
American Airlines Logo
10:09 am - 9:43 pmSAN-PIA
9h 34m2 stops
$334American Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
5:15 pm - 10:30 pmPIA-SAN
7h 15m1 stop
United Airlines Logo
10:52 am - 9:31 pmSAN-PIA
8h 39m1 stop
$359United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
5:25 pm - 10:44 pmPIA-SAN
7h 19m1 stop
United Airlines Logo
6:25 am - 4:45 pmSAN-PIA
8h 20m2 stops
$360United Airlines
Find Deal
Thu, Apr 23 - Tue, Apr 28
United Airlines Logo
6:45 am - 3:02 pmPIA-SAN
10h 17m2 stops
United Airlines Logo
7:00 am - 4:40 pmSAN-PIA
7h 40m1 stop
$364United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15

American Airlines flights from Peoria, Illinois to San Diego

Our best American Airlines deals on Peoria, Illinois to San Diego flight tickets
American Airlines
Jan 17
PIA7:39 amGreater Peoria
12h 52m
2 stops
SAN6:31 pmSan Diego
Jan 24
SAN10:09 amSan Diego
9h 34m
2 stops
PIA9:43 pmGreater Peoria
$334
Find similar
American Airlines
Dec 9
PIA10:52 amGreater Peoria
9h 33m
2 stops
SAN6:25 pmSan Diego
Dec 13
SAN10:07 amSan Diego
7h 35m
2 stops
PIA7:42 pmGreater Peoria
$369
Find similar
American Airlines
Dec 5
PIA10:52 amGreater Peoria
9h 33m
2 stops
SAN6:25 pmSan Diego
Dec 15
SAN12:50 pmSan Diego
9h 03m
2 stops
PIA11:53 pmGreater Peoria
$379
Find similar

United Airlines flights from Peoria, Illinois to San Diego

Our best United Airlines deals on Peoria, Illinois to San Diego flight tickets
United Airlines
Jan 10
PIA6:30 amGreater Peoria
7h 18m
1 stop
SAN11:48 amSan Diego
Jan 24
SAN1:00 pmSan Diego
5h 47m
1 stop
PIA8:47 pmGreater Peoria
$289
Find similar
United Airlines
Jan 10
PIA6:30 amGreater Peoria
10h 34m
2 stops
SAN3:04 pmSan Diego
Jan 25
SAN7:00 amSan Diego
7h 43m
1 stop
PIA4:43 pmGreater Peoria
$294
Find similar
United Airlines
Jan 5
PIA3:30 pmGreater Peoria
10h 07m
2 stops
SAN11:37 pmSan Diego
Jan 17
SAN11:08 amSan Diego
7h 39m
2 stops
PIA8:47 pmGreater Peoria
$299
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois 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, momondo users made 832,500 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Peoria, Illinois to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Sat 1/10

6:30 am-11:48 am

1 stop7h 18m

San Diego

Sat 1/24

1:00 pm-8:47 pm

1 stop5h 47m

$289

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Sat 1/10

6:30 am-3:04 pm

2 stops10h 34m

San Diego

Sun 1/25

7:00 am-4:43 pm

1 stop7h 43m

$294

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Mon 1/5

3:30 pm-11:37 pm

2 stops10h 07m

San Diego

Sat 1/17

11:08 am-8:47 pm

2 stops7h 39m

$299

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 1/1

5:19 pm-10:51 pm

1 stop7h 32m

San Diego

Tue 1/6

11:10 am-8:47 pm

1 stop7h 37m

$311

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 1/1

5:19 pm-10:51 pm

1 stop7h 32m

San Diego

Tue 1/6

8:37 pm-10:10 am

2 stops11h 33m

$317

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 1/1

5:19 pm-10:51 pm

1 stop7h 32m

San Diego

Mon 1/5

8:45 pm-10:10 am

2 stops11h 25m

$318

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Sat 1/17

7:39 am-6:31 pm

2 stops12h 52m

San Diego

Sat 1/24

10:09 am-9:43 pm

2 stops9h 34m

$334

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 12/11

5:15 pm-10:30 pm

1 stop7h 15m

San Diego

Mon 12/15

10:52 am-9:31 pm

1 stop8h 39m

$359

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 4/23

5:25 pm-10:44 pm

1 stop7h 19m

San Diego

Tue 4/28

6:25 am-4:45 pm

2 stops8h 20m

$360

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 12/11

6:45 am-3:02 pm

2 stops10h 17m

San Diego

Mon 12/15

7:00 am-4:40 pm

1 stop7h 40m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Peoria, Illinois to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of August, then departing from Peoria, Illinois during the month April is also very affordable. Most momondo users find prices during this month for around $313.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Peoria, Illinois to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $393. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $647. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $448. Flights at noon are often more expensive with an average ticket price of $497.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Peoria, Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Peoria, Illinois for as low as $288 on momondo.

When to book flights from Peoria, Illinois to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Peoria, Illinois to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Peoria, Illinois to San Diego (PIA to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to San Diego

Fastest flight time

6h 21m

Direct flights

None
The fastest flight from Peoria, Illinois to San Diego takes 6h 21m
There are no direct flights from Peoria, Illinois to San Diego. There are no popular flight routes from Peoria, Illinois to San Diego.
Search flight deals

  • How far is Greater Peoria to San Diego by plane?

    There are 1614.3 mi between Greater Peoria and San Diego. Flights usually cover this in 6h 59m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Greater Peoria Airport to San Diego Airport?

    Prices for flights from Greater Peoria Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Greater Peoria Airport to San Diego Airport?

  • How old do you have to be to fly from Greater Peoria Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greater Peoria Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Peoria, Illinois to San Diego?

Best airlines flying from Peoria, Illinois to San Diego

Compare and see reviews for airlines that fly from Peoria, Illinois to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $283Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Peoria to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Peoria.

Can I find flights from Peoria to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Peoria to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Peoria to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Peoria to San Diego.

I’m not ready to book a flight from Peoria to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Peoria to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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