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$133+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SFO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 12/178:40 amPIA - SFO
1 stop6h 58mUnited Airlines
Fri 1/25:00 amSFO - PIA
1 stop7h 08mUnited Airlines
Deal found 12/3$404
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/176:05 amPIA - SFO
1 stop7h 21mAmerican Airlines
Thu 1/16:00 amSFO - PIA
1 stop7h 50mAmerican Airlines
Deal found 12/3$414
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/1710:48 amPIA - SFO
2 stops11h 41mAmerican Airlines
Fri 1/210:49 pmSFO - PIA
1 stop7h 54mAmerican Airlines
Deal found 12/3$458
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/1510:48 amPIA - SFO
1 stop8h 32mAmerican Airlines
Thu 1/16:00 amSFO - PIA
1 stop7h 50mAmerican Airlines
Deal found 12/3$459
This Trip.com deal was found by Cheapflights users on 12/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:52 pmPIA - SFO
2 stops52h 00mMultiple Airlines
Tue 12/236:00 amSFO - PIA
1 stop28h 18mMultiple Airlines
Deal found 12/4$463
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/188:35 amPIA - SFO
1 stop9h 24mUnited Airlines
Fri 1/25:00 amSFO - PIA
1 stop7h 08mUnited Airlines
Deal found 12/3$494
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/223:30 pmPIA - SFO
1 stop7h 59mUnited Airlines
Tue 1/69:23 pmSFO - PIA
2 stops15h 00mUnited Airlines
Deal found 12/3$516
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/195:19 pmPIA - SFO
1 stop9h 55mUnited Airlines
Sun 1/186:25 amSFO - PIA
1 stop12h 22mUnited Airlines
Deal found 12/2$529
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/1910:43 amPIA - SFO
2 stops11h 26mAmerican Airlines
Thu 1/16:00 amSFO - PIA
1 stop7h 50mAmerican Airlines
Deal found 12/3$530

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$133
(Kiwi.com)

Popular in

August

Cheapest in

July

Average price

$533
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. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 2025.
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

Fri 1/9

8:35 am-1:29 pm

1 stop6h 54m

San Francisco

Mon 1/12

6:45 am-4:43 pm

1 stop7h 58m

$289

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Wed 3/4

1:25 pm-7:19 pm

1 stop7h 54m

San Francisco

Sat 3/7

11:59 pm-9:03 am

1 stop7h 04m

$289

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Fri 1/9

11:15 am-8:10 pm

2 stops10h 55m

San Francisco

Mon 1/12

6:00 am-4:32 pm

1 stop8h 32m

$294

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 12/20

5:19 pm-1:14 am

1 stop9h 55m

San Francisco

Wed 12/31

6:00 am-2:08 pm

1 stop6h 08m

$369

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 1/10

5:16 pm-10:34 pm

1 stop7h 18m

San Francisco

Tue 1/13

7:00 am-4:59 pm

1 stop7h 59m

$379

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Sat 1/10

1:24 pm-7:09 pm

1 stop7h 45m

San Francisco

Tue 1/13

6:45 am-4:43 pm

1 stop7h 58m

$379

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Wed 4/8

5:25 pm-12:04 am

1 stop8h 39m

San Francisco

Sat 4/11

12:45 am-10:02 am

1 stop7h 17m

$379

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Thu 12/18

10:00 am-3:01 pm

1 stop7h 01m

San Francisco

Thu 1/1

6:00 am-3:50 pm

1 stop7h 50m

$414

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Fri 12/19

3:13 pm-8:23 am

1 stop19h 10m

$165

PeoriaSan Francisco

PIA - SFO

PIASFO

Greater Peoria

Tue 12/16

6:45 am-7:27 pm

2 stops14h 42m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Peoria, Illinois-San Francisco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November is currently the most expensive (average of $352). 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 December 4, 2025.
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
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
11,047 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

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 6h 54m. 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 $302 round trip. You may be able to fly from Peoria, Illinois to San Francisco for 48% 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 November is currently the most expensive (average of $352). 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
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
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Watsonville
Sunnyvale
Santa Clara
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Redwood City
Vallejo
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Milpitas
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San Ramon
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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$302Average$420FlexibilityNo cancel feeOn-time71%

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