What's the average San Diego to Illinois flight price?

We looked at all of the upcoming round-trip flights from San Diego to Illinois we could find over the next 12 months. It looks like C$159 is the best price. This is good, compared to the average Illinois ticket price of C$503.

What is the cheapest month to fly from San Diego to Illinois?

The cheapest month to fly from San Diego to Chicago O'Hare International Airport is usually August . The cheapest month to fly from San Diego to Central Illinois Regional Airport is usually June . The cheapest month to fly from San Diego to Greater Peoria Airport is usually July . And the cheapest month to fly from San Diego to Moline Airport is usually October .

On which upcoming date is it cheapest to fly from San Diego to Illinois?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Illinois on Thursday, August 22, 2024 .

Are there any direct flights from San Diego to Illinois?

San Diego International Airport offers direct flights to Illinois.

If I'm flying from San Diego, where in Illinois is cheapest to fly to?

If you're flying from San Diego, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.

How long is the flight from San Diego to Illinois?

The average flight time between San Diego and Illinois is 4 hours and 4 minutes.

Cheap San Diego to Illinois Flights from C$67

Flight deals from San Diego to Illinois

Looking for cheap flights from San Diego to Illinois, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Chicago.C$158 per passenger.Departing Thu, Aug 22, returning Tue, Aug 27.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Thu, Aug 22, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departing from Chicago O'Hare International on Tue, Aug 27, arriving in San Diego International.Price includes taxes and charges.From C$158, select.

Bloomington.C$257 per passenger.Departing Mon, Jun 10, returning Fri, Jun 21.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Mon, Jun 10, arriving in Central Illinois Regional.Inbound indirect flight with Frontier Airlines, departing from Central Illinois Regional on Fri, Jun 21, arriving in San Diego International.Price includes taxes and charges.From C$257, select.

Moline.C$420 per passenger.Departing Thu, Oct 31, returning Sun, Nov 3.Round-trip flight with United.Outbound indirect flight with United, departing from San Diego International on Thu, Oct 31, arriving in Moline.Inbound indirect flight with United, departing from Moline on Sun, Nov 3, arriving in San Diego International.Price includes taxes and charges.From C$420, select.

Peoria.C$597 per passenger.Departing Thu, Jul 4, returning Wed, Jul 10.Round-trip flight with United.Outbound indirect flight with United, departing from San Diego International on Thu, Jul 4, arriving in Greater Peoria.Inbound indirect flight with United, departing from Greater Peoria on Wed, Jul 10, arriving in San Diego International.Price includes taxes and charges.From C$597, select.

Flying from San Diego to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	C$67, Chicago
Cheapest month to fly	August
Average flight time	4 hrs, 5 mins
Cheapest airport to fly from	San Diego International
Most popular airline	Southwest Airlines

How to find cheap flights from San Diego to Illinois

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from San Diego to Illinois. Other savvy travelers recently found round-trip flights from C$159 and one-way tickets from C$67. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Diego International into Chicago

At the moment, the lowest-priced flight tickets to Illinois are from San Diego International Airport to Chicago O'Hare International Airport.

Fly in August

We crunched the flight calendar and found the cheapest time to fly from San Diego to Illinois is currently August.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from San Diego to Illinois.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from San Diego to anywhere you choose in Illinois.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from San Diego to Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the San Diego to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

: We looked at all of the upcoming round-trip flights from San Diego to Illinois we could find over the next 12 months. It looks like C$159 is the best price. This is good, compared to the average Illinois ticket price of C$503.
: The cheapest month to fly from San Diego to Chicago O'Hare International Airport is usually August. The cheapest month to fly from San Diego to Central Illinois Regional Airport is usually June. The cheapest month to fly from San Diego to Greater Peoria Airport is usually July. And the cheapest month to fly from San Diego to Moline Airport is usually October.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Illinois on Thursday, August 22, 2024.
: San Diego International Airport offers direct flights to Illinois.
: If you're flying from San Diego, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.
: The average flight time between San Diego and Illinois is 4 hours and 4 minutes.

Flights from San Diego to Illinois