In terms of precipitation, rainfall in Quincy, Illinois ranges from 1.5 - 4.5 inches per month. May is typically the wettest month, when rainfall can reach 4.5 in. January is typically the driest time to visit Quincy, Illinois when rainfall is around 1.5 in.

If weather is an important factor for your trip to Quincy, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What are the most popular routes from California to Quincy, Illinois?

While some choose either San Francisco - Quincy Regional or Ontario - Quincy Regional, Santa Ana J. Wayne/Orange Cnty - Quincy Regional is the most popular route from California to Quincy, Illinois.

What is the cheapest time of day to fly from CA to UIN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Quincy, Illinois as you normally would.

What airport do you fly into for flights to Quincy from California?

For a flight from California to Quincy, you will be flying into Quincy Regional. Quincy Regional (UIN) is just 11.4 mi from the center of the city.

Can I find deals for flights from California to Quincy that include hotel bookings?

Yes. In addition to deals on California to Quincy flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from California to Quincy?

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

Can I find deals for business class flights from California to Quincy?

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

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What airport do you fly into for flights to Quincy from California?
For a flight from California to Quincy, you will be flying into Quincy Regional. Quincy Regional (UIN) is just 11.4 mi from the center of the city.
What are the most popular routes from California to Quincy, Illinois?
While some choose either San Francisco - Quincy Regional or Ontario - Quincy Regional, Santa Ana J. Wayne/Orange Cnty - Quincy Regional is the most popular route from California to Quincy, Illinois.
Can I find deals for flights from California to Quincy that include hotel bookings?
Yes. In addition to deals on California to Quincy flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from California to Quincy?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Quincy.
Can I find deals for business class flights from California to Quincy?
Yes. Cheapflights offers flight deals from California to Quincy by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Find cheap flights from California to Quincy with Cheapflights

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Related info for your journey

What airport do you fly into for flights to Quincy from California?

What are the most popular routes from California to Quincy, Illinois?

Can I find deals for flights from California to Quincy that include hotel bookings?

How can I find direct flights from California to Quincy?

Can I find deals for business class flights from California to Quincy?

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 California to Quincy

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Quincy by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from California to Quincy by cabin class

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California and Quincy flights

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Find cheap flights from California to Quincy with Cheapflights

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3. Compare prices and book

Find flight deals from California to Quincy

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Related info for your journey

What airport do you fly into for flights to Quincy from California?

What are the most popular routes from California to Quincy, Illinois?

Can I find deals for flights from California to Quincy that include hotel bookings?

How can I find direct flights from California to Quincy?

Can I find deals for business class flights from California to Quincy?

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 California to Quincy

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Quincy by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from California to Quincy by cabin class

Find flights from California to Quincy, based on your preferred cabin class, be it economy, premium economy, business, or first class.

California and Quincy flights

Browse other California and Quincy flight options. Last updated on October 16, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Quincy

Explore flights to Quincy departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2026.

California to Quincy flights

Consider these flights traveling from California to Quincy.

100% Free

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