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$339+ Cheap flights from Peoria, IL to San Antonio (PIA - SAT)

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SAT
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Peoria to San Antonio

Cheapest flights from Peoria to San Antonio
Explore the most affordable flight options available from Peoria to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This American Airlines deal was found by Cheapflights users on 3/20. 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 4/105:40 pm
PIA
-
SAT
1 stop5h 12m
American Airlines
Mon 4/136:14 pm
SAT
-
PIA
1 stop5h 19m
American Airlines
Deal found 3/20$339
This United Airlines deal was found by Cheapflights users on 3/20. 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 4/222:50 pm
PIA
-
SAT
2 stops8h 09m
United Airlines
Sat 4/255:30 am
SAT
-
PIA
2 stops7h 06m
United Airlines
Deal found 3/20$349
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/310:40 am
PIA
-
SAT
1 stop5h 29m
United Airlines
Tue 4/76:49 am
SAT
-
PIA
1 stop7h 19m
United Airlines
Deal found 3/19$369
This American Airlines deal was found by Cheapflights users on 3/19. 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 4/31:17 pm
PIA
-
SAT
2 stops9h 02m
American Airlines
Tue 4/75:00 am
SAT
-
PIA
1 stop6h 42m
American Airlines
Deal found 3/19$374
This United Airlines deal was found by Cheapflights users on 3/20. 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 6/45:30 am
PIA
-
SAT
1 stop6h 42m
United Airlines
Mon 6/85:18 pm
SAT
-
PIA
1 stop6h 57m
United Airlines
Deal found 3/20$419
This United Airlines deal was found by Cheapflights users on 3/20. 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 10/18:50 am
PIA
-
SAT
1 stop7h 40m
United Airlines
Mon 10/54:20 pm
SAT
-
PIA
2 stops7h 59m
United Airlines
Deal found 3/20$424
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/1110:40 am
PIA
-
SAT
2 stops7h 03m
United Airlines
Wed 4/155:30 am
SAT
-
PIA
2 stops7h 06m
United Airlines
Deal found 3/19$429

Find flight deals from Peoria to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to San Antonio (SAT). 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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$608
Provider with most accurate pricing for Greater Peoria-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-San Antonio flights.
Search Deals
From Greater Peoria to San Antonio
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to San Antonio 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 March 23, 2026.
Use the filters below to find and compare flights from Peoria to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaSan Antonio

PIA - SAT

PIASAT

Greater Peoria

Thu 9/3

5:31 pm-10:55 pm

1 stop5h 24m

San Antonio

Tue 9/8

4:13 pm-12:22 am

2 stops8h 09m

$344

PeoriaSan Antonio

PIA - SAT

PIASAT

Greater Peoria

Wed 4/22

1:20 pm-10:59 pm

2 stops9h 39m

San Antonio

Sat 4/25

6:49 am-12:36 pm

1 stop5h 47m

$344
Quickest round-trip

PeoriaSan Antonio

PIA - SAT

PIASAT

Greater Peoria

Fri 5/29

10:45 am-4:03 pm

1 stop5h 18m

San Antonio

Sun 5/31

6:40 am-12:46 pm

1 stop6h 06m

$419

PeoriaSan Antonio

PIA - SAT

PIASAT

Greater Peoria

Sat 4/11

1:20 pm-6:59 pm

1 stop5h 39m

San Antonio

Wed 4/15

6:49 am-2:08 pm

1 stop7h 19m

$419

PeoriaSan Antonio

PIA - SAT

PIASAT

Greater Peoria

Sat 9/12

2:33 pm-10:55 pm

1 stop8h 22m

San Antonio

Wed 9/16

5:24 pm-12:22 am

1 stop6h 58m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Sorted by cheapest first

Compare providers for flights from Peoria to San Antonio

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 Antonio in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Peoria, Illinois-San Antonio 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 Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-San Antonio 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 Antonio 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 Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Peoria with our price prediction graph.
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 Antonio

What is the cheapest month to book a flight from Peoria, Illinois to San Antonio?

Currently, April is the cheapest month in which you can book a flight from Peoria, Illinois to San Antonio (average of $190). Flying from Peoria, Illinois to San Antonio in February is currently the most expensive (average of $266). 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.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 Antonio. Reviews last updated March 23, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Peoria to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,467 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,467 reviews
United Airlines
7.4
Good
9,467 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,492 reviews
United Airlines
7.4
Good
9,467 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from Peoria to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Peoria, Illinois to San Antonio?

    United Airlines can get you from Peoria, Illinois to San Antonio in just under 5h 24m. Your travel time can differ by up to . The distance from Peoria, Illinois to San Antonio is about 913 mi.

  • What are the cheapest airlines flying from Peoria, Illinois to San Antonio round-trip?

    Flying on American Airlines is currently your cheapest option to San Antonio, with prices starting at $258. Another option worth looking into is United Airlines, starting at $323 round trip. These flights start at 26% lower than the current average price 3 months from now.

  • Can I find deals for flights from Peoria to San Antonio that include hotel bookings?

    Yes. In addition to deals on Peoria to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peoria to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to San Antonio.

  • Can I find deals for business class flights from Peoria to San Antonio?

    Yes. Cheapflights offers flight deals from Peoria to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Peoria, Illinois to San Antonio?

    Currently, April is the cheapest month in which you can book a flight from Peoria, Illinois to San Antonio (average of $190). Flying from Peoria, Illinois to San Antonio in February is currently the most expensive (average of $266). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Peoria to San Antonio

Discover the top 2 airlines that operate flights from Peoria to San Antonio. 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 2,558,603 searches. Data last updated March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$375FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$323Average$338FlexibilityNo cancel feeOn-time69%

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