HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Decatur

$263+ Cheap flights from California to Decatur, IL (DEC)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEC
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Decatur 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 California to Decatur

Cheapest flights from California to Decatur
Explore the most affordable flight options available from California to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:00 am
LAS
-
DEC
1 stop6h 54m
United Airlines
Mon 3/99:50 am
DEC
-
LAS
2 stops13h 11m
United Airlines
Deal found 1/29$374
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:30 am
LAX
-
DEC
1 stop7h 21m
United Airlines
Sat 10/316:55 pm
DEC
-
LAX
1 stop6h 57m
United Airlines
Deal found 1/28$394
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:59 pm
SFO
-
DEC
1 stop6h 53m
United Airlines
Thu 3/57:15 pm
DEC
-
SFO
1 stop7h 01m
United Airlines
Deal found 1/27$395
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:15 am
LAS
-
DEC
1 stop8h 46m
United Airlines
Sun 2/157:15 pm
DEC
-
LAS
1 stop6h 15m
United Airlines
Deal found 1/27$415
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:25 am
LAX
-
DEC
1 stop15h 29m
United Airlines
Sun 4/127:20 pm
DEC
-
LAX
1 stop6h 38m
United Airlines
Deal found 1/28$466
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:45 am
SFO
-
DEC
1 stop6h 13m
United Airlines
Wed 4/159:52 am
DEC
-
SFO
2 stops14h 57m
United Airlines
Deal found 1/27$486
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:20 am
SFO
-
DEC
1 stop10h 31m
United Airlines
Sat 8/296:55 pm
DEC
-
SFO
1 stop7h 39m
United Airlines
Deal found 1/28$489
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:15 am
LAX
-
DEC
1 stop7h 47m
United Airlines
Thu 5/77:20 pm
DEC
-
LAX
1 stop6h 39m
United Airlines
Deal found 1/27$490
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:45 am
SFO
-
DEC
1 stop9h 09m
United Airlines
Mon 2/169:50 am
DEC
-
SFO
1 stop9h 50m
United Airlines
Deal found 1/28$515
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:45 pm
LAX
-
DEC
2 stops21h 06m
United Airlines
Sun 7/56:55 pm
DEC
-
LAX
1 stop6h 50m
United Airlines
Deal found 1/28$545
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:52 pm
SFO
-
DEC
1 stop16h 10m
United Airlines
Thu 4/309:42 am
DEC
-
SFO
1 stop14h 56m
United Airlines
Deal found 1/27$557
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1012:40 am
LAX
-
DEC
2 stops15h 21m
United Airlines
Sun 2/157:15 pm
DEC
-
LAX
1 stop6h 44m
United Airlines
Deal found 1/26$563

Find flight deals from California to Decatur

Keep the following information in mind while searching for California to Decatur flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$374
(United Airlines)

One-way from

$263
(United Airlines)
Provider with most accurate pricing for Los Angeles-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Decatur Arpt flights.
Search Deals
From California to Decatur Arpt
Search Deals
One-way flight from California to Decatur Arpt
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Decatur 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 January 29, 2026.
Use the filters below to find and compare flights from California to Decatur that are best for you.

Fly from

California

Fly to

Decatur

Route

Depart

Return

Price

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 3/4

9:00 am-5:54 pm

1 stop6h 54m

Decatur Arpt

Mon 3/9

9:50 am-9:01 pm

2 stops13h 11m

$374

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 4/9

12:45 am-8:58 am

1 stop6h 13m

Decatur Arpt

Wed 4/15

7:20 pm-12:19 am

1 stop6h 59m

$395

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 2/11

7:15 am-6:01 pm

1 stop8h 46m

Decatur Arpt

Sun 2/15

7:15 pm-11:30 pm

1 stop6h 15m

$415

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Fri 2/27

12:25 am-5:54 pm

1 stop15h 29m

Decatur Arpt

Sun 4/12

7:20 pm-11:58 pm

1 stop6h 38m

$466

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Mon 4/27

8:15 am-6:02 pm

1 stop7h 47m

Decatur Arpt

Thu 5/7

7:20 pm-11:59 pm

1 stop6h 39m

$490

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Thu 7/2

12:10 am-8:46 am

1 stop6h 36m

Decatur Arpt

Sun 7/5

6:55 pm-11:52 pm

1 stop6h 57m

$490

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Tue 2/10

12:40 am-6:01 pm

2 stops15h 21m

Decatur Arpt

Sun 2/15

7:15 pm-11:59 pm

1 stop6h 44m

$563

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Mon 4/27

10:40 pm-6:02 pm

2 stops17h 22m

Decatur Arpt

Thu 4/30

9:42 am-12:30 am

1 stop16h 48m

$579

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 3/28

6:44 pm-8:58 am

1 stop12h 14m

Decatur Arpt

Wed 4/1

9:52 am-5:12 pm

1 stop9h 20m

$584

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 3/28

6:44 pm-6:02 pm

1 stop21h 18m

Decatur Arpt

Tue 3/31

7:20 pm-12:19 am

1 stop6h 59m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from California to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from California 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 California to Decatur

What is the cheapest month to book a flight from California to Decatur, Illinois?

Currently, May is the cheapest month in which you can book a flight from California to Decatur, Illinois (average of $270). Flying from California to Decatur, Illinois in June is currently the most expensive (average of $380). 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.

Related info for your journey

Find useful and relevant information for your journey from California to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Decatur Arpt (DEC), located 4.7 mi from the city center, is the airport you fly into when you book flights from California to Decatur.

  • How long is the flight from California to Decatur, Illinois?

    For as low as $374, United Airlines can have you in Decatur, Illinois from California in 6h 54m. There are 1449 mi between California and Decatur, Illinois.

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

    Most travelers choose Los Angeles - Decatur Arpt, San Francisco - Decatur Arpt or Oakland - Decatur Arpt when deciding on the best route from California to Decatur, Illinois.

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

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

  • How can I find direct flights from California to Decatur?

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

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

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

  • What is the cheapest month to book a flight from California to Decatur, Illinois?

    Currently, May is the cheapest month in which you can book a flight from California to Decatur, Illinois (average of $270). Flying from California to Decatur, Illinois in June is currently the most expensive (average of $380). 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.

See more FAQs

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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 Decatur

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Newark to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Seattle to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Atlanta to O'Hare Intl flights
Denver to O'Hare Intl flights
Boston to O'Hare Intl flights
John F Kennedy Intl to Midway flights
Newark to Midway flights
Sky Harbor Intl to O'Hare Intl flights
Dallas/Fort Worth to Midway flights
Austin to O'Hare Intl flights
Dulles Intl to Midway flights
Los Angeles to Midway flights
Ontario to O'Hare Intl flights
Minneapolis to O'Hare Intl flights
Hobby to Midway flights
Charlotte to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
LaGuardia to Midway flights
Reagan-National to Midway flights
Atlanta to Midway flights
Raleigh to O'Hare Intl flights
Baltimore to Midway flights
Cleveland to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
San Diego to O'Hare Intl flights
Philadelphia to Midway flights
Orlando to O'Hare Intl flights
Denver to Midway flights
Tampa to O'Hare Intl flights
Hartford to O'Hare Intl flights
Newark to St. Louis flights
Fort Lauderdale to O'Hare Intl flights
Sky Harbor Intl to Midway flights
Love Field to O'Hare Intl flights
San Francisco to Midway flights
Sacramento to O'Hare Intl flights
Hobby to O'Hare Intl flights
Minneapolis to Midway flights
San Antonio to O'Hare Intl flights
Kansas City to O'Hare Intl flights
Miami to O'Hare Intl flights

Top airline flying from California to Decatur

Discover the top airline that operate flights from California to Decatur. 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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$354Average$476FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.