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Cheap flights from Peoria, Illinois to San Diego from $131

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 12/12. 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
10:51 am - 4:02 pmPIA-SAN
7h 11m1 stop
United Airlines Logo
12:43 pm - 8:56 pmSAN-PIA
6h 13m1 stop
$289United Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
United Airlines Logo
1:20 pm - 6:50 pmPIA-SAN
7h 30m1 stop
United Airlines Logo
10:00 pm - 10:16 amSAN-PIA
10h 16m2 stops
$294United Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
United Airlines Logo
1:20 pm - 7:52 pmPIA-SAN
8h 32m2 stops
United Airlines Logo
6:15 am - 4:40 pmSAN-PIA
8h 25m2 stops
$299United Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
American Airlines Logo
10:46 am - 5:54 pmPIA-SAN
9h 08m1 stop
American Airlines Logo
6:42 am - 3:44 pmSAN-PIA
7h 02m1 stop
$314American Airlines
Find Deal
Mon, Feb 23 - Thu, Mar 5
American Airlines Logo
6:00 am - 12:23 pmPIA-SAN
8h 23m1 stop
American Airlines Logo
6:20 am - 4:32 pmSAN-PIA
8h 12m1 stop
$329American Airlines
Find Deal
Thu, Jan 1 - Sun, Jan 11
American Airlines Logo
10:25 am - 8:48 pmPIA-SAN
12h 23m1 stop
American Airlines Logo
6:19 am - 6:59 pmSAN-PIA
10h 40m1 stop
$335American Airlines
Find Deal
Fri, Nov 7 - Wed, Nov 12
United Airlines Logo
5:23 pm - 10:20 pmPIA-SAN
6h 57m1 stop
United Airlines Logo
11:20 am - 8:56 pmSAN-PIA
7h 36m1 stop
$340United Airlines
Find Deal
Thu, Nov 6 - Mon, Nov 10
American Airlines Logo
10:25 am - 8:48 pmPIA-SAN
12h 23m1 stop
American Airlines Logo
6:19 am - 6:59 pmSAN-PIA
10h 40m1 stop
$343American Airlines
Find Deal
Fri, Nov 7 - Wed, Nov 12
United Airlines Logo
8:43 am - 1:04 pmPIA-SAN
6h 21m1 stop
United Airlines Logo
6:45 am - 4:40 pmSAN-PIA
7h 55m2 stops
$344United Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
Multiple Airlines Logo
3:13 pm - 12:01 amPIA-SAN
10h 48m1 stop
Multiple Airlines Logo
6:25 am - 8:51 pmSAN-PIA
12h 26m1 stop
$361Multiple Airlines
Find Deal
Mon, Dec 22 - Mon, Dec 29

United Airlines flights from Peoria, Illinois to San Diego

Our best United Airlines deals on Peoria, Illinois to San Diego flight tickets
United Airlines
Nov 12
PIA10:51 amGreater Peoria
7h 11m
1 stop
SAN4:02 pmSan Diego
Nov 15
SAN12:43 pmSan Diego
6h 13m
1 stop
PIA8:56 pmGreater Peoria
$289
Find similar
United Airlines
Nov 12
PIA1:20 pmGreater Peoria
7h 30m
1 stop
SAN6:50 pmSan Diego
Nov 15
SAN10:00 pmSan Diego
10h 16m
2 stops
PIA10:16 amGreater Peoria
$294
Find similar
United Airlines
Nov 12
PIA1:20 pmGreater Peoria
8h 32m
2 stops
SAN7:52 pmSan Diego
Nov 15
SAN6:15 amSan Diego
8h 25m
2 stops
PIA4:40 pmGreater Peoria
$299
Find similar

American Airlines flights from Peoria, Illinois to San Diego

Our best American Airlines deals on Peoria, Illinois to San Diego flight tickets
American Airlines
Feb 23
PIA10:46 amGreater Peoria
9h 08m
1 stop
SAN5:54 pmSan Diego
Mar 5
SAN6:42 amSan Diego
7h 02m
1 stop
PIA3:44 pmGreater Peoria
$314
Find similar
American Airlines
Jan 1
PIA6:00 amGreater Peoria
8h 23m
1 stop
SAN12:23 pmSan Diego
Jan 11
SAN6:20 amSan Diego
8h 12m
1 stop
PIA4:32 pmGreater Peoria
$329
Find similar
American Airlines
Nov 7
PIA10:25 amGreater Peoria
12h 23m
1 stop
SAN8:48 pmSan Diego
Nov 12
SAN6:19 amSan Diego
10h 40m
1 stop
PIA6:59 pmGreater Peoria
$335
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 October 14, 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

Wed 11/12

10:51 am-4:02 pm

1 stop7h 11m

San Diego

Sat 11/15

12:43 pm-8:56 pm

1 stop6h 13m

$289

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Wed 11/12

1:20 pm-6:50 pm

1 stop7h 30m

San Diego

Sat 11/15

10:00 pm-10:16 am

2 stops10h 16m

$294

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Wed 11/12

1:20 pm-7:52 pm

2 stops8h 32m

San Diego

Sat 11/15

6:15 am-4:40 pm

2 stops8h 25m

$299

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Mon 2/23

10:46 am-5:54 pm

1 stop9h 08m

San Diego

Thu 3/5

6:42 am-3:44 pm

1 stop7h 02m

$314

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 1/1

6:00 am-12:23 pm

1 stop8h 23m

San Diego

Sun 1/11

6:20 am-4:32 pm

1 stop8h 12m

$329

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Fri 11/7

10:25 am-8:48 pm

1 stop12h 23m

San Diego

Wed 11/12

6:19 am-6:59 pm

1 stop10h 40m

$335

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Thu 11/6

5:23 pm-10:20 pm

1 stop6h 57m

San Diego

Mon 11/10

11:20 am-8:56 pm

1 stop7h 36m

$340

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Fri 11/7

10:25 am-8:48 pm

1 stop12h 23m

San Diego

Wed 11/12

6:19 am-6:59 pm

1 stop10h 40m

$343

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Tue 10/28

8:43 am-1:04 pm

1 stop6h 21m

San Diego

Sat 11/1

6:45 am-4:40 pm

2 stops7h 55m

$344

PeoriaSan Diego

PIA - SAN

PIASAN

Greater Peoria

Mon 12/22

3:13 pm-12:01 am

1 stop10h 48m

San Diego

Mon 12/29

6:25 am-8:51 pm

1 stop12h 26m

$361

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 typical price of a round-trip flight between Peoria, Illinois and San Diego?

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 $433 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 $282 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

Direct flights

None
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 21m, 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 $286Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,976 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
La Mesa
Imperial Beach
Poway
San Ysidro
Borrego Springs
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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