HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$226+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SFO
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 21, 2026.

This American Airlines deal was found by Cheapflights users on 5/17. 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 7/14:47 pm
PIA
-
SFO
1 stop10h 01m
American Airlines
Mon 7/612:26 am
SFO
-
PIA
1 stop9h 29m
American Airlines
Deal found 5/17$331
This American Airlines deal was found by Cheapflights users on 5/16. 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.
Thu 7/26:58 pm
PIA
-
SFO
1 stop6h 57m
American Airlines
Mon 7/612:26 am
SFO
-
PIA
1 stop9h 29m
American Airlines
Deal found 5/16$340
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:55 pm
PIA
-
SFO
1 stop23h 33m
Multiple Airlines
Fri 7/247:11 pm
SFO
-
PIA
1 stop22h 45m
Multiple Airlines
Deal found 5/16$351
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Wed 6/34:46 pm
PIA
-
SFO
1 stop7h 44m
American Airlines
Sun 6/711:10 pm
SFO
-
PIA
1 stop8h 13m
American Airlines
Deal found 5/19$419
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/296:39 pm
PIA
-
SFO
1 stop7h 51m
United Airlines
Tue 9/111:30 pm
SFO
-
PIA
1 stop8h 36m
United Airlines
Deal found 5/17$431
This American Airlines deal was found by Cheapflights users on 5/20. 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.
Sat 5/234:46 pm
PIA
-
SFO
1 stop7h 52m
American Airlines
Sat 5/302:04 pm
SFO
-
PIA
1 stop7h 29m
American Airlines
Deal found 5/20$435

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 May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(American Airlines)

One-way from

$226
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$413
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. 12% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 21, 2026.
Use the filters below to find and compare flights from Peoria to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Thu 7/2

6:58 pm-11:55 pm

1 stop6h 57m

San Francisco

Mon 7/6

12:26 am-11:55 am

1 stop9h 29m

$340

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 8/29

6:39 pm-12:30 am

1 stop7h 51m

San Francisco

Tue 9/1

11:30 pm-10:06 am

1 stop8h 36m

$431

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 9/12

8:45 am-3:16 pm

1 stop8h 31m

San Francisco

Tue 9/22

6:00 am-3:00 pm

1 stop7h 00m

$431

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 10/24

4:35 pm-10:59 pm

1 stop8h 24m

San Francisco

Wed 10/28

5:20 am-4:31 pm

1 stop9h 11m

$431
Quickest round-trip

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Wed 8/5

6:45 pm-11:48 pm

1 stop7h 03m

San Francisco

Sun 8/9

6:36 am-3:53 pm

1 stop7h 17m

$442

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Mon 6/15

12:55 pm-2:16 pm

1 stop27h 21m

San Francisco

Thu 6/18

10:58 pm-12:05 pm

1 stop11h 07m

$460

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Thu 6/4

6:00 am-1:04 pm

2 stops9h 04m

San Francisco

Sun 6/7

12:26 am-11:54 am

1 stop9h 28m

$491

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 6/6

8:20 am-1:15 pm

1 stop6h 55m

San Francisco

Sun 6/14

10:35 pm-10:10 am

1 stop9h 35m

$514

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Wed 6/3

10:45 am-3:28 pm

1 stop6h 43m

San Francisco

Sun 6/7

11:30 pm-10:10 am

1 stop8h 40m

$519

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Tue 6/2

6:30 am-1:15 pm

1 stop8h 45m

San Francisco

Sat 6/6

5:05 am-3:39 pm

1 stop8h 34m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 16 resultsSorted by cheapest first
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 May.
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, October is the cheapest month in which you can book a flight from Peoria, Illinois to San Francisco (average of $385). Flying from Peoria, Illinois to San Francisco in August is currently the most expensive (average of $725). 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.

How much does it cost to fly round-trip from Peoria, Illinois to San Francisco?

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 May 21, 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
9,748 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
9,748 reviews
United Airlines
7.4
Good
9,748 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
7.1
Good
11,641 reviews
United Airlines
7.4
Good
9,748 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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 6h 57m. Fly via American Airlines or United 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 $258. Another option worth looking into is American Airlines, starting at $308 round trip. You may be able to fly from Peoria, Illinois to San Francisco for 44% 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, October is the cheapest month in which you can book a flight from Peoria, Illinois to San Francisco (average of $385). Flying from Peoria, Illinois to San Francisco in August is currently the most expensive (average of $725). 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
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
Vallejo
San Lorenzo
Davis
Emeryville
Manteca
Elk Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
Midway to Las Vegas flights
O'Hare Intl to San Diego flights
O'Hare Intl to Ontario flights
Midway to Los Angeles flights
O'Hare Intl to Santa Ana flights
St. Louis to Las Vegas flights
Midway to San Francisco flights
O'Hare Intl to Sacramento flights
O'Hare Intl to San Jose flights
O'Hare Intl to Reno flights
St. Louis to Los Angeles flights
Midway to San Diego flights
O'Hare Intl to Oakland flights
St. Louis to San Francisco flights
Rockford to Las Vegas flights
O'Hare Intl to Burbank flights
O'Hare Intl to Palm Springs flights
St. Louis to San Diego flights
O'Hare Intl to Santa Barbara flights
O'Hare Intl to Fresno flights
St. Louis to Ontario flights
Midway to San Jose flights
Midway to Reno flights
Midway to Ontario flights
Midway to Palm Springs flights
St. Louis to Sacramento flights
St. Louis to San Jose flights
Midway to Sacramento flights
O'Hare Intl to Long Beach flights
St. Louis to Reno flights
Moline to Las Vegas flights
St. Louis to Burbank flights
St. Louis to Santa Ana flights
Peoria to Las Vegas flights
Midway to Oakland flights
St. Louis to Oakland flights
O'Hare Intl to Monterey flights
St. Louis to Palm Springs flights
Moline to Los Angeles flights
Midway to Long Beach flights
Bloomington to Las Vegas flights
Midway to Fresno flights
Midway to Medford flights
Peoria to Los Angeles flights

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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$458FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$426FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights