Are there any direct flights from San Diego International Airport to Illinois?

Yes – direct flights currently operate from San Diego International Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from San Diego International Airport to Illinois?

We looked at all of the upcoming round-trip flights from San Diego International Airport to Illinois we could find over the next 12 months. It looks like $119 is the best price. This is good, compared to the average Illinois ticket price of $364.

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

The cheapest month to fly from San Diego International Airport to Marion Airport is currently June . The cheapest month to fly from San Diego International Airport to Moline Airport is currently June . The cheapest month to fly from San Diego International Airport to Greater Peoria Airport is currently June . And the cheapest month to fly from San Diego International Airport to Quincy Airport is usually June .

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego International Airport to Illinois on Wednesday, August 21, 2024 .

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

If you're flying from San Diego International, 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 International Airport to Illinois?

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

Flights from San Diego International Airport to Illinois

Flight deals from San Diego International Airport to Illinois

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

Chicago.$119 per passenger.Departing Wed, Aug 21, returning Mon, Aug 26.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Wed, Aug 21, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departing from Chicago O'Hare International on Mon, Aug 26, arriving in San Diego International.Price includes taxes and charges.From $119, select.

Moline.$338 per passenger.Departing Tue, Jun 25, returning Mon, Jul 1.Round-trip flight with United.Outbound indirect flight with United, departing from San Diego International on Tue, Jun 25, arriving in Moline.Inbound indirect flight with United, departing from Moline on Mon, Jul 1, arriving in San Diego International.Price includes taxes and charges.From $338, select.

Quincy.$358 per passenger.Departing Tue, Jun 25, returning Mon, Jul 1.Round-trip flight with Spirit Airlines and Southern Airways Express.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Tue, Jun 25, arriving in Quincy.Inbound indirect flight with Southern Airways Express, departing from Quincy on Mon, Jul 1, arriving in San Diego International.Price includes taxes and charges.From $358, select.

Bloomington.$376 per passenger.Departing Thu, Jul 25, returning Mon, Jul 29.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Diego International on Thu, Jul 25, arriving in Central Illinois Regional.Inbound indirect flight with Delta, departing from Central Illinois Regional on Mon, Jul 29, arriving in San Diego International.Price includes taxes and charges.From $376, select.

Marion.$377 per passenger.Departing Tue, Jun 25, returning Mon, Jul 1.Round-trip flight with Spirit Airlines and Contour Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Tue, Jun 25, arriving in Marion.Inbound indirect flight with Contour Airlines, departing from Marion on Mon, Jul 1, arriving in San Diego International.Price includes taxes and charges.From $377, select.

Peoria.$419 per passenger.Departing Tue, Jun 18, returning Tue, Jun 25.Round-trip flight with United.Outbound indirect flight with United, departing from San Diego International on Tue, Jun 18, arriving in Greater Peoria.Inbound indirect flight with United, departing from Greater Peoria on Tue, Jun 25, arriving in San Diego International.Price includes taxes and charges.From $419, select.

Springfield.$431 per passenger.Departing Mon, Jun 24, returning Sun, Jun 30.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from San Diego International on Mon, Jun 24, arriving in Springfield.Inbound indirect flight with American Airlines, departing from Springfield on Sun, Jun 30, arriving in San Diego International.Price includes taxes and charges.From $431, select.

Champaign.$488 per passenger.Departing Tue, Jun 25, returning Mon, Jul 1.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from San Diego International on Tue, Jun 25, arriving in Champaign.Inbound indirect flight with American Airlines, departing from Champaign on Mon, Jul 1, arriving in San Diego International.Price includes taxes and charges.From $488, select.

Flying from San Diego International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	$119, Chicago
Cheapest month to fly	August
Average flight time	4 hrs, 5 mins
Average flights per week	287
Most popular airline	Southwest Airlines

How to find cheap flights from San Diego International Airport 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 International Airport to Illinois. Other savvy travelers recently found round-trip flights from $119 and one-way tickets from $45. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in August

The cheapest time to fly from San Diego International Airport 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 International Airport 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 International Airport 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 International Airport to your chosen airport in 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 International Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

: Yes – direct flights currently operate from San Diego International Airport to Chicago O'Hare International Airport in Illinois.
: We looked at all of the upcoming round-trip flights from San Diego International Airport to Illinois we could find over the next 12 months. It looks like $119 is the best price. This is good, compared to the average Illinois ticket price of $364.
: The cheapest month to fly from San Diego International Airport to Marion Airport is currently June.
The cheapest month to fly from San Diego International Airport to Moline Airport is currently June.
The cheapest month to fly from San Diego International Airport to Greater Peoria Airport is currently June.
And the cheapest month to fly from San Diego International Airport to Quincy Airport is usually June.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego International Airport to Illinois on Wednesday, August 21, 2024.
: If you're flying from San Diego International, 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 International Airport and Illinois is 4 hours and 4 minutes.