Cheap flights from California to Illinois from $48
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 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LAX — ORD
May 17 — May 241
From?
To?
1 adult, Economy
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How far in advance should I book a flight from California to Illinois?
Find a great deal and save up to 73% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from California to Illinois within the next two weeks, with the cheapest ticket starting at $319.
What is the cheapest month to fly from California to Illinois?
January is one of the best times of the year to fly to Illinois from California. Prices for January average $314 per person but you can even find prices for as low as $135. The most expensive prices can be found in the month of March. Opting for a January flight can save you 20% on your journey compared to booking in March
When is the cheapest time to fly from California to Illinois (CA - IL)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Illinois as you normally would.
Cheap Spirit Airlines flights from California to Illinois
Explore cheap flight options specifically provided by Spirit Airlines for the route between California and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 12, 2024.
Find some of the cheapest Spirit Airlines flights traveling from California to Illinois. Deals update often to give you more flight options matching your criteria
Tue 5/2810:43 pmLAX - ORD
1 stop16h 13mSpirit Airlines
Wed 5/2910:57 pmORD - LAX
Nonstop4h 31mSpirit Airlines
Deal found 5/11$83
Tue 6/118:29 amSAN - ORD
1 stop13h 21mSpirit Airlines
Tue 6/1810:01 pmORD - SAN
1 stop12h 33mSpirit Airlines
Deal found 5/12$103
Wed 5/296:05 amLAX - ORD
Nonstop4h 07mSpirit Airlines
Tue 6/410:57 pmORD - LAX
Nonstop4h 31mSpirit Airlines
Deal found 5/12$107
Thu 5/309:12 pmSAN - ORD
1 stop7h 28mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/11$110
Tue 6/1111:37 pmLAX - ORD
Nonstop4h 12mSpirit Airlines
Tue 6/1810:58 pmORD - LAX
Nonstop4h 21mSpirit Airlines
Deal found 5/12$111
Fri 5/317:58 pmSAN - ORD
1 stop8h 42mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/12$112
Tue 5/282:38 pmSAN - ORD
1 stop13h 52mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/12$113
Thu 5/309:12 pmSAN - ORD
1 stop7h 28mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/12$114
Wed 5/2911:13 amSAN - ORD
1 stop8h 42mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/12$116
Cheap Alaska Airlines flights from California to Illinois
Explore cheap flight options specifically provided by Alaska Airlines for the route between California and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 12, 2024.
To aid your search, here are some of the cheapest Alaska Airlines flights we've found from California to Illinois. Check back soon if you're not seeing flights that suit your needs.
Wed 8/711:59 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Tue 8/136:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Deal found 5/11$179
Tue 6/2511:59 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Wed 7/36:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Deal found 5/11$189
Wed 5/2911:57 pmSFO - ORD
Nonstop4h 23mAlaska Airlines
Thu 5/305:55 pmORD - SFO
Nonstop4h 44mAlaska Airlines
Deal found 5/11$202
Wed 5/2911:57 pmSFO - ORD
Nonstop4h 23mAlaska Airlines
Wed 6/58:00 amORD - SFO
1 stop7h 14mAlaska Airlines
Deal found 5/11$211
Tue 5/217:55 pmSFO - ORD
1 stop6h 45mAlaska Airlines
Wed 5/297:00 amORD - SFO
Nonstop4h 37mAlaska Airlines
Deal found 5/12$305
Mon 5/2011:57 pmSFO - ORD
Nonstop4h 23mAlaska Airlines
Sun 5/267:00 amORD - SFO
Nonstop4h 37mAlaska Airlines
Deal found 5/11$378
Sat 5/1811:39 amSNA - ORD
Nonstop4h 06mAlaska Airlines
Wed 5/295:30 pmORD - SNA
Nonstop4h 23mAlaska Airlines
Deal found 5/12$882
Cheap California to Illinois flights in May & June 2024
Find cheap flight options from California to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Prices were last updated on May 12, 2024.
Check out some of the best flight deals from California to Illinois in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/59:09 amSFO - MDW
Nonstop4h 11mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/11$104
Sat 6/19:11 amSFO - MDW
Nonstop4h 12mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/11$109
Thu 5/309:12 pmSAN - ORD
1 stop7h 28mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/11$110
Thu 5/308:21 pmSAN - ORD
1 stop6h 39mMultiple Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mMultiple Airlines
Deal found 5/11$111
Tue 5/282:38 pmSAN - ORD
1 stop13h 52mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/11$113
Thu 5/309:12 pmSAN - ORD
1 stop7h 28mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/12$114
Wed 5/2911:13 amSAN - ORD
1 stop8h 42mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/12$116
Wed 5/299:11 amSFO - MDW
Nonstop4h 12mFrontier
Fri 5/314:18 pmMDW - SFO
Nonstop4h 29mFrontier
Deal found 5/11$117
Sat 6/19:11 amSFO - MDW
Nonstop4h 12mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/12$119
California to Illinois 2024 flight deals
Discover exclusive flight deals for travel between California and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 12, 2024.
Check out some of the best flight deals from California to Illinois in 2024. More deals are always being added, so be sure to check back regularly.
Sat 9/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Wed 9/254:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$88
Wed 9/49:03 amSFO - MDW
Nonstop4h 11mFrontier
Wed 9/114:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$98
Wed 6/59:09 amSFO - MDW
Nonstop4h 11mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/11$104
Sat 9/79:03 amSFO - MDW
Nonstop4h 11mFrontier
Sat 9/144:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$106
Wed 9/189:03 amSFO - MDW
Nonstop4h 11mFrontier
Mon 9/234:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$108
Sat 6/19:11 amSFO - MDW
Nonstop4h 12mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/11$109
Thu 5/309:12 pmSAN - ORD
1 stop7h 28mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/11$110
Thu 5/308:21 pmSAN - ORD
1 stop6h 39mMultiple Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mMultiple Airlines
Deal found 5/11$111
Tue 5/282:38 pmSAN - ORD
1 stop13h 52mSpirit Airlines
Tue 6/410:52 pmORD - SAN
1 stop13h 10mSpirit Airlines
Deal found 5/11$113
Non-stop flights to Illinois from California
Discover non-stop flight options from California to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 12, 2024.
Take a look at some of the direct flights traveling from California to Illinois in the near future. Users seeking other options on flights from California to Illinois should update the search form at the top of the page.
Sat 9/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Wed 9/254:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$88
Wed 9/49:03 amSFO - MDW
Nonstop4h 11mFrontier
Wed 9/114:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$98
Wed 6/59:09 amSFO - MDW
Nonstop4h 11mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/11$104
Sat 9/79:03 amSFO - MDW
Nonstop4h 11mFrontier
Sat 9/144:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$106
Wed 9/189:03 amSFO - MDW
Nonstop4h 11mFrontier
Mon 9/234:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$108
Sat 6/19:11 amSFO - MDW
Nonstop4h 12mFrontier
Fri 6/74:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/11$109
Wed 9/119:03 amSFO - MDW
Nonstop4h 11mFrontier
Mon 9/164:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/11$115
Wed 5/299:11 amSFO - MDW
Nonstop4h 12mFrontier
Fri 5/314:18 pmMDW - SFO
Nonstop4h 29mFrontier
Deal found 5/11$117
Sat 9/149:03 amSFO - MDW
Nonstop4h 11mFrontier
Mon 9/164:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/12$118
California to Illinois flights leaving soon
Find last-minute flight options from California to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 12, 2024.
Users seeking a last-minute flight from California to Illinois should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 5/185:52 pmOAK - ORD
1 stop10h 48mSpirit Airlines
Tue 5/2110:52 pmORD - OAK
1 stop14h 20mSpirit Airlines
Deal found 5/12$139
Tue 5/2112:59 amONT - MDW
1 stop8h 10mFrontier
Wed 5/299:10 pmMDW - ONT
1 stop12h 14mFrontier
Deal found 5/12$140
Tue 5/2112:59 amONT - MDW
1 stop8h 10mFrontier
Tue 5/289:10 pmMDW - ONT
1 stop20h 55mFrontier
Deal found 5/12$144
Tue 5/212:25 pmONT - MDW
1 stop18h 44mFrontier
Wed 5/299:10 pmMDW - ONT
1 stop14h 24mFrontier
Deal found 5/12$146
Tue 5/2112:59 amONT - MDW
1 stop8h 10mFrontier
Tue 5/289:10 pmMDW - ONT
1 stop17h 45mFrontier
Deal found 5/12$147
Tue 5/2112:59 amONT - ORD
1 stop22h 14mFrontier
Tue 5/287:59 pmORD - ONT
1 stop18h 56mFrontier
Deal found 5/12$151
Mon 5/2012:59 amONT - MDW
1 stop10h 50mFrontier
Wed 5/299:10 pmMDW - ONT
1 stop12h 14mFrontier
Deal found 5/12$153
Tue 5/2112:59 amONT - ORD
1 stop22h 14mFrontier
Sun 5/267:59 pmORD - ONT
1 stop15h 15mFrontier
Deal found 5/12$153
Mon 5/2012:59 amONT - MDW
1 stop10h 50mFrontier
Wed 5/299:10 pmMDW - ONT
1 stop12h 14mFrontier
Deal found 5/12$155
One-way flights to Illinois from California
Search for one-way flight options from California to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 12, 2024.
Take a look at some of the one-way flights we've detected from California to Illinois. Users can also find round-trip California to Illinois flights by using the search form above.
Wed 5/299:11 amSFO - MDW
Nonstop4h 12mFrontier
Deal found 5/12$48
Wed 5/299:11 amSFO - MDW
Nonstop4h 12mFrontier
Deal found 5/12$49
Sat 6/19:11 amSFO - MDW
Nonstop4h 12mFrontier
Deal found 5/12$50
Wed 6/59:09 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/12$51
Tue 6/118:29 amSAN - ORD
1 stop13h 21mSpirit Airlines
Deal found 5/12$51
Wed 5/299:11 amSFO - MDW
Nonstop4h 12mFrontier
Deal found 5/11$54
Mon 6/107:10 pmSNA - ORD
2 stops18h 52mSpirit Airlines
Deal found 5/12$59
Tue 6/45:41 pmONT - MDW
1 stop8h 59mFrontier
Deal found 5/12$62
Tue 5/215:41 pmONT - ORD
1 stop9h 19mFrontier
Deal found 5/11$62
Find flights from California to Illinois within your budget
Customize your flight search to find flights from California to Illinois 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 2,633,403 searches. Data last updated May 12, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$83 - $215
Route
Depart
Return
Price
Los AngelesChicago O'Hare Intl
LAX - ORD
LAXORD
Los Angeles
Tue 5/28
1 stop16h 13m
Chicago O'Hare Intl
Wed 5/29
Nonstop4h 31m
$83
San FranciscoChicago Midway
SFO - MDW
SFOMDW
San Francisco
Wed 9/4
Nonstop4h 11m
Chicago Midway
Wed 9/11
Nonstop4h 38m
$98
San FranciscoChicago Midway
SFO - MDW
SFOMDW
San Francisco
Sat 9/21
Nonstop4h 11m
Chicago Midway
Wed 9/25
Nonstop4h 38m
$100
San DiegoChicago O'Hare Intl
SAN - ORD
SANORD
San Diego
Tue 6/11
1 stop13h 21m
Chicago O'Hare Intl
Tue 6/18
1 stop12h 33m
$103
Los AngelesChicago O'Hare Intl
LAX - ORD
LAXORD
Los Angeles
Wed 6/5
1 stop5h 53m
Chicago O'Hare Intl
Wed 6/12
Nonstop4h 27m
$130
Los AngelesChicago O'Hare Intl
LAX - ORD
LAXORD
Los Angeles
Sun 5/26
Nonstop4h 07m
Chicago O'Hare Intl
Tue 6/4
Nonstop4h 31m
$151
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Wed 8/7
Nonstop4h 21m
Chicago O'Hare Intl
Tue 8/13
Nonstop4h 37m
$179
Los AngelesChicago O'Hare Intl
LAX - ORD
LAXORD
Los Angeles
Fri 7/5
Nonstop4h 10m
Chicago O'Hare Intl
Wed 7/10
Nonstop4h 16m
$203
San FranciscoChicago O'Hare Intl
SFO - ORD
SFOORD
San Francisco
Sat 5/25
Nonstop4h 26m
Chicago O'Hare Intl
Wed 5/29
Nonstop4h 40m
$215
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 12, 2024.
See what other customers who have flown with Spirit Airlines, Alaska Airlines and American Airlines from California to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
6,054 reviews
Overall
8.2
Food
7.3
Boarding
8.3
Comfort
8.1
Entertainment
7.8
Crew
8.7
Reviews
1 / 10
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Southwest
6,054 reviews
Southwest
6,054 reviews
Overall
8.2
Food
7.3
Boarding
8.3
Comfort
8.1
Entertainment
7.8
Crew
8.7
Reviews
1 / 10
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
9,152 reviews
Southwest
6,054 reviews
Overall
8.2
Food
7.3
Boarding
8.3
Comfort
8.1
Entertainment
7.8
Crew
8.7
Reviews
1 / 10
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
10,745 reviews
Southwest
6,054 reviews
Overall
8.2
Food
7.3
Boarding
8.3
Comfort
8.1
Entertainment
7.8
Crew
8.7
Reviews
1 / 10
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
2,929 reviews
Southwest
6,054 reviews
Overall
8.2
Food
7.3
Boarding
8.3
Comfort
8.1
Entertainment
7.8
Crew
8.7
Reviews
1 / 10
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
10,981 reviews
Southwest
6,054 reviews
Overall
8.2
Food
7.3
Boarding
8.3
Comfort
8.1
Entertainment
7.8
Crew
8.7
Reviews
1 / 10
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Related info for your journey
Find useful and relevant information for your journey from California to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for California to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from California to Illinois
Discover the top 7 airlines that operate flights from California to Illinois. 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 2,633,403 searches. Data last updated May 12, 2024.
Search flights from California to Illinois by cabin class
Find flights from California to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from California to Illinois
Find hourly flight availability from California to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2024.
| 16%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 38%of flight departures | Morning6 am to noon |
| 21%of flight departures | AfternoonNoon to 6 pm |
| 25%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from California to Illinois?
Cheapflights helps you search for flights from California to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from California to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from California.
Can Cheapflights find flights from California to Illinois with no change fees?
Yes! Cheapflights helps users easily find flights from California to Illinois with no change fees.
Can Cheapflights notify me if prices for flights from California to Illinois become cheaper?
Not ready to book yet? You can track prices for flights from California to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.