$523+ Cheap flights from Oakland, CA to Peoria, IL (OAK - PIA)
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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — PIA
Jul 7 — Jul 141
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Oakland to Peoria 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 Oakland to Peoria
Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Peoria (PIA). 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 July 2, 2025.
Round-trip from | $523 (Mytrip) |
|---|---|
Popular in | July |
Cheapest in | August |
Average price | $688 |
Find flight deals from Oakland to Peoria
Cheapest flights from Oakland to PeoriaExplore the most affordable flight options available from Oakland to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.
Explore the most affordable flight options available from Oakland to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/166:00 amOAK - PIA
1 stop11h 49mMultiple Airlines
Sun 7/208:44 pmPIA - OAK
2 stops25h 41mMultiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$523
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland to Peoria 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 July 2, 2025.
Use the filters below to find and compare flights from Oakland to Peoria that are best for you.
Fly from
Oakland
Fly to
Peoria
Route
Depart
Return
Price
OaklandPeoria
OAK - PIA
OAKPIA
Oakland
Wed 7/16
6:00 am-7:49 pm
1 stop11h 49m
Greater Peoria
Sun 7/20
8:44 pm-8:25 pm
2 stops25h 41m
$523
Best time to book a flight from Oakland to Peoria
Have a flexible travel schedule? Discover the best time to fly to Peoria from Oakland 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 Oakland to Peoria
What is the cheapest month to book a flight from Oakland, California to Peoria, Illinois?
Currently, August is the cheapest month in which you can book a flight from Oakland, California to Peoria, Illinois (average of $318). Flying from Oakland, California to Peoria, Illinois in October is currently the most expensive (average of $428). 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.