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Cheap flights from Peoria, Illinois to San Diego from $324

This is the cheapest round-trip 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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Peoria, Illinois to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:38 pm - 8:15 pmPIA  Greater Peoria-SAN San Diego
25h 37m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
4:54 pm - 5:29 pmSAN  San Diego-PIA Greater Peoria
22h 35m1 stop Denver Intl
$324Multiple Airlines
Mon, Aug 31 - Sat, Sep 26
Multiple Airlines Logo
10:07 am - 11:44 pmPIA  Greater Peoria-SAN San Diego
39h 37m2 stops Denver Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
4:54 pm - 5:29 pmSAN  San Diego-PIA Greater Peoria
22h 35m1 stop Denver Intl
$330Multiple Airlines
Sun, Aug 30 - Sat, Sep 26
American Airlines Logo
12:31 pm - 7:02 pmPIA  Greater Peoria-SAN San Diego
8h 31m1 stop Dallas/Fort Worth
American Airlines Logo
1:12 pm - 12:10 amSAN  San Diego-PIA Greater Peoria
8h 58m1 stop Chicago O'Hare Intl
$331American Airlines
Tue, Oct 6 - Wed, Oct 14
American Airlines Logo
4:43 pm - 9:03 pmPIA  Greater Peoria-SAN San Diego
6h 20m1 stop Dallas/Fort Worth
American Airlines Logo
1:50 pm - 11:15 pmSAN  San Diego-PIA Greater Peoria
7h 25m1 stop Dallas/Fort Worth
$331American Airlines
Tue, Sep 8 - Tue, Sep 22
American Airlines Logo
4:42 pm - 9:46 pmPIA  Greater Peoria-SAN San Diego
7h 04m1 stop Dallas/Fort Worth
American Airlines Logo
1:12 pm - 12:10 amSAN  San Diego-PIA Greater Peoria
8h 58m1 stop Chicago O'Hare Intl
$331American Airlines
Sat, Oct 10 - Wed, Oct 14
United Airlines Logo
8:45 am - 3:54 pmPIA  Greater Peoria-SAN San Diego
9h 09m2 stops Denver Intl San Francisco
United Airlines Logo
2:15 pm - 11:13 pmSAN  San Diego-PIA Greater Peoria
6h 58m1 stop Chicago O'Hare Intl
$350United Airlines
Wed, Sep 2 - Wed, Sep 23
United Airlines Logo
10:41 am - 5:26 pmPIA  Greater Peoria-SAN San Diego
8h 45m2 stops Chicago O'Hare Intl Los Angeles
United Airlines Logo
2:15 pm - 11:13 pmSAN  San Diego-PIA Greater Peoria
6h 58m1 stop Chicago O'Hare Intl
$350United Airlines
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
8:29 pm - 8:15 pmPIA  Greater Peoria-SAN San Diego
25h 46m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
4:54 pm - 5:29 pmSAN  San Diego-PIA Greater Peoria
22h 35m1 stop Denver Intl
$353Multiple Airlines
Fri, Sep 4 - Sat, Sep 26
Multiple Airlines Logo
10:07 am - 11:51 pmPIA  Greater Peoria-SAN San Diego
15h 44m1 stop Denver Intl
Multiple Airlines Logo
4:54 pm - 5:29 pmSAN  San Diego-PIA Greater Peoria
22h 35m1 stop Denver Intl
$361Multiple Airlines
Sun, Aug 30 - Sat, Sep 26
United Airlines Logo
8:41 am - 12:56 pmPIA  Greater Peoria-SAN San Diego
6h 15m1 stop Denver Intl
United Airlines Logo
11:21 am - 9:06 pmSAN  San Diego-PIA Greater Peoria
7h 45m1 stop Denver Intl
$365United Airlines
Wed, Nov 18 - Sat, Nov 21

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American Airlines flights from Peoria, Illinois to San Diego

Our best American Airlines deals on Peoria, Illinois to San Diego flight tickets
American Airlines
Oct 6
PIA12:31 pmGreater Peoria
8h 31m
1 stop
SAN7:02 pmSan Diego
Oct 14
SAN1:12 pmSan Diego
8h 58m
1 stop
PIA12:10 amGreater Peoria
$331
American Airlines
Sep 2
PIA12:20 pmGreater Peoria
8h 34m
1 stop
SAN6:54 pmSan Diego
Sep 23
SAN1:10 pmSan Diego
8h 58m
1 stop
PIA12:08 amGreater Peoria
$345
American Airlines
Oct 22
PIA5:30 pmGreater Peoria
8h 03m
1 stop
SAN11:33 pmSan Diego
Oct 27
SAN1:53 pmSan Diego
7h 30m
1 stop
PIA11:23 pmGreater Peoria
$355

United Airlines flights from Peoria, Illinois to San Diego

Our best United Airlines deals on Peoria, Illinois to San Diego flight tickets
United Airlines
Sep 2
PIA8:45 amGreater Peoria
9h 09m
2 stops
SAN3:54 pmSan Diego
Sep 23
SAN2:15 pmSan Diego
6h 58m
1 stop
PIA11:13 pmGreater Peoria
$350
United Airlines
Nov 18
PIA8:41 amGreater Peoria
6h 15m
1 stop
SAN12:56 pmSan Diego
Nov 21
SAN11:21 amSan Diego
7h 45m
1 stop
PIA9:06 pmGreater Peoria
$365
United Airlines
Nov 18
PIA6:25 amGreater Peoria
7h 02m
1 stop
SAN11:27 amSan Diego
Nov 21
SAN11:21 amSan Diego
7h 45m
1 stop
PIA9:06 pmGreater Peoria
$367

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 August 8, 2026.
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

Cheapest round-trip

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Mon 8/31

8:38 pm-8:15 pm

2 stops25h 37m

San Diego

Sat 9/26

4:54 pm-5:29 pm

1 stop22h 35m

$324

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Sun 8/30

10:07 am-11:44 pm

2 stops39h 37m

San Diego

Sat 9/26

4:54 pm-5:29 pm

1 stop22h 35m

$330

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Tue 10/6

12:31 pm-7:02 pm

1 stop8h 31m

San Diego

Wed 10/14

1:12 pm-12:10 am

1 stop8h 58m

$331
Quickest round-trip

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Tue 9/8

4:43 pm-9:03 pm

1 stop6h 20m

San Diego

Tue 9/22

1:50 pm-11:15 pm

1 stop7h 25m

$331

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Sat 10/10

4:42 pm-9:46 pm

1 stop7h 04m

San Diego

Wed 10/14

1:12 pm-12:10 am

1 stop8h 58m

$331

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Wed 9/2

8:45 am-3:54 pm

2 stops9h 09m

San Diego

Wed 9/23

2:15 pm-11:13 pm

1 stop6h 58m

$350

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Thu 9/3

10:41 am-5:26 pm

2 stops8h 45m

San Diego

Wed 9/9

2:15 pm-11:13 pm

1 stop6h 58m

$350

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Fri 9/4

8:29 pm-8:15 pm

2 stops25h 46m

San Diego

Sat 9/26

4:54 pm-5:29 pm

1 stop22h 35m

$353

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Sun 8/30

10:07 am-11:51 pm

1 stop15h 44m

San Diego

Sat 9/26

4:54 pm-5:29 pm

1 stop22h 35m

$361

PeoriaSan Diego

PIA Greater Peoria - SAN San Diego

PIASAN

Greater Peoria

Wed 11/18

8:41 am-12:56 pm

1 stop6h 15m

San Diego

Sat 11/21

11:21 am-9:06 pm

1 stop7h 45m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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?

Prices are currently typical for flights on this route.

Typical prices usually range from $320 to $490.
The lowest price recently found on this route was $324.

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Peoria, Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $334.

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

5h 48m

Direct flights

None
The fastest flight from Peoria, Illinois to San Diego takes 5h 48m
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

Frequently asked questions about flying from Peoria, Illinois to San Diego

  • 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 5h 48m, 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 $288Free CancellationRating
7.1
11,885 reviews
Search American Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
10,085 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
Chula Vista
Coronado
El Cajon
National City
Julian
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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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