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$298+ Cheap flights from Peoria, IL to San Francisco (PIA - SFO)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SFO
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from Peoria to San Francisco

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

This United Airlines deal was found by Cheapflights users on 2/22. 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 5/195:25 pm
PIA
-
SFO
1 stop9h 10m
United Airlines
Tue 5/265:05 am
SFO
-
PIA
1 stop6h 52m
United Airlines
Deal found 2/22$309
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/147:00 am
PIA
-
SFO
2 stops10h 25m
American Airlines
Sat 4/181:16 pm
SFO
-
PIA
1 stop8h 36m
American Airlines
Deal found 2/19$314
This United Airlines deal was found by Cheapflights users on 2/19. 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 5/235:33 pm
PIA
-
SFO
1 stop8h 57m
United Airlines
Sat 5/305:05 am
SFO
-
PIA
1 stop6h 47m
United Airlines
Deal found 2/19$327
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/66:50 pm
PIA
-
SFO
1 stop18h 12m
American Airlines
Fri 4/1011:28 pm
SFO
-
PIA
1 stop11h 24m
American Airlines
Deal found 2/19$385
This United Airlines deal was found by Cheapflights users on 2/20. 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 5/218:20 pm
PIA
-
SFO
1 stop7h 22m
United Airlines
Wed 5/2712:50 am
SFO
-
PIA
1 stop7h 20m
United Airlines
Deal found 2/20$392
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/255:30 pm
PIA
-
SFO
1 stop7h 10m
United Airlines
Sat 4/2512:45 am
SFO
-
PIA
1 stop7h 17m
United Airlines
Deal found 2/20$393
This United Airlines deal was found by Cheapflights users on 2/22. 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 5/228:20 pm
PIA
-
SFO
1 stop7h 22m
United Airlines
Fri 5/2911:30 pm
SFO
-
PIA
1 stop8h 40m
United Airlines
Deal found 2/22$399
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/201:17 pm
PIA
-
SFO
1 stop12h 27m
American Airlines
Wed 3/255:34 pm
SFO
-
PIA
1 stop17h 13m
American Airlines
Deal found 2/21$400
This American Airlines deal was found by Cheapflights users on 2/22. 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 5/191:22 pm
PIA
-
SFO
2 stops11h 27m
American Airlines
Tue 5/2611:16 pm
SFO
-
PIA
1 stop8h 07m
American Airlines
Deal found 2/22$432
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/2912:12 pm
PIA
-
SFO
1 stop9h 03m
American Airlines
Sun 5/310:13 am
SFO
-
PIA
2 stops11h 00m
American Airlines
Deal found 2/20$446
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/65:25 pm
PIA
-
SFO
1 stop8h 51m
United Airlines
Tue 3/1011:14 am
SFO
-
PIA
1 stop7h 25m
United Airlines
Deal found 2/19$449

Find flight deals from Peoria to San Francisco

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

One-way from

$298
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$414
Provider with most accurate pricing for Greater Peoria-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-San Francisco flights.
Search Deals
From Greater Peoria to San Francisco
Search Deals
One-way flight from Greater Peoria to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Peoria

Fly to

San Francisco

Route

Depart

Return

Price

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Tue 5/19

5:25 pm-12:35 am

1 stop9h 10m

San Francisco

Tue 5/26

5:05 am-1:57 pm

1 stop6h 52m

$309

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Tue 4/14

6:00 am-12:38 pm

1 stop8h 38m

San Francisco

Sat 4/18

7:00 am-5:51 pm

1 stop8h 51m

$309

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Wed 5/20

8:20 pm-1:35 am

1 stop7h 15m

San Francisco

Sun 5/24

12:50 am-10:10 am

1 stop7h 20m

$309

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Thu 5/21

8:20 pm-1:42 am

1 stop7h 22m

San Francisco

Wed 5/27

12:50 am-10:10 am

1 stop7h 20m

$392

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Fri 5/22

8:20 pm-1:42 am

1 stop7h 22m

San Francisco

Fri 5/29

11:30 pm-10:10 am

1 stop8h 40m

$399

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 5/23

1:21 pm-6:18 pm

1 stop6h 57m

San Francisco

Sat 5/30

5:05 am-1:52 pm

1 stop6h 47m

$399

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Mon 3/30

5:25 pm-12:19 am

1 stop8h 54m

San Francisco

Mon 4/20

12:45 am-10:02 am

1 stop7h 17m

$399

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Tue 5/19

5:25 pm-12:35 am

1 stop9h 10m

San Francisco

Mon 5/25

11:30 pm-10:10 am

1 stop8h 40m

$399

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Fri 3/6

5:25 pm-12:16 am

1 stop8h 51m

San Francisco

Tue 3/10

11:14 am-8:39 pm

1 stop7h 25m

$449

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 7/18

12:20 pm-6:04 pm

1 stop7h 44m

San Francisco

Mon 8/10

5:45 am-3:43 pm

1 stop7h 58m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 14 results
1
2

Compare providers for flights from Peoria to San Francisco

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 Francisco in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Francisco 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 Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-San Francisco 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 Francisco 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 Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 Francisco

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

Currently, December is the cheapest month in which you can book a flight from Peoria, Illinois to San Francisco (average of $228). Flying from Peoria, Illinois to San Francisco in March is currently the most expensive (average of $341). 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 Francisco

Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated February 23, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Peoria to San Francisco 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
9,342 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,342 reviews
United Airlines
7.4
Good
9,342 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,339 reviews
United Airlines
7.4
Good
9,342 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Peoria to San Francisco. 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 Francisco?

    There are many flights that can get you from Peoria, Illinois to San Francisco in 8h 38m. Fly via United Airlines or American Airlines to get the fastest option. The distance between Peoria, Illinois and San Francisco is about 1753 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on United Airlines is currently your cheapest option to San Francisco, with prices starting at $228. Another option worth looking into is American Airlines, starting at $294 round trip. You may be able to fly from Peoria, Illinois to San Francisco for 45% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria to San Francisco 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 Francisco?

    Currently, December is the cheapest month in which you can book a flight from Peoria, Illinois to San Francisco (average of $228). Flying from Peoria, Illinois to San Francisco in March is currently the most expensive (average of $341). 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Santa Clara
Livermore
Roseville
Watsonville
San Bruno
Daly City
Sunnyvale
Vacaville
Turlock
San Carlos
San Ramon
Redwood City
Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City

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Top 2 airlines flying from Peoria to San Francisco

Discover the top 2 airlines that operate flights from Peoria to San Francisco. 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$403FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$388FlexibilityNo cancel feeOn-time71%

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