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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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEC
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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 12/117:10 pmSFO - DEC
2 stops20h 42mUnited Airlines
Mon 12/159:49 amDEC - SFO
1 stop9h 39mUnited Airlines
Deal found 11/2$452
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/57:00 amSFO - DEC
1 stop8h 52mUnited Airlines
Mon 12/87:08 pmDEC - SFO
1 stop18h 41mUnited Airlines
Deal found 11/1$455
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/285:03 pmLAS - DEC
1 stop22h 49mUnited Airlines
Fri 12/59:49 amDEC - LAS
2 stops13h 02mUnited Airlines
Deal found 10/31$476
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/197:00 amLAX - DEC
1 stop8h 59mUnited Airlines
Wed 12/319:44 amDEC - LAX
1 stop16h 15mUnited Airlines
Deal found 11/2$483
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/2512:25 amLAX - DEC
1 stop6h 23mUnited Airlines
Sun 11/307:08 pmDEC - LAX
1 stop16h 42mUnited Airlines
Deal found 11/1$504
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/37:15 amLAS - DEC
1 stop8h 37mUnited Airlines
Sat 11/87:08 pmDEC - LAS
1 stop16h 31mUnited Airlines
Deal found 11/1$590
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/214:30 pmLAX - DEC
2 stops14h 35mUnited Airlines
Wed 12/319:44 amDEC - LAX
2 stops25h 37mUnited Airlines
Deal found 11/2$618
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/229:12 pmSFO - DEC
2 stops18h 40mUnited Airlines
Thu 11/279:44 amDEC - SFO
1 stop7h 51mUnited Airlines
Deal found 11/2$619
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/234:55 pmSFO - DEC
1 stop14h 10mUnited Airlines
Mon 12/297:09 pmDEC - SFO
1 stop8h 05mUnited Airlines
Deal found 11/2$653
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/205:30 pmSFO - DEC
2 stops13h 35mUnited Airlines
Sat 1/107:09 pmDEC - SFO
1 stop16h 31mUnited Airlines
Deal found 11/2$669
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/2111:05 pmSFO - DEC
1 stop8h 00mUnited Airlines
Mon 12/297:09 pmDEC - SFO
1 stop8h 05mUnited Airlines
Deal found 11/2$678
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/211:59 pmLAS - DEC
1 stop6h 49mUnited Airlines
Mon 11/37:08 pmDEC - LAS
1 stop16h 31mUnited Airlines
Deal found 11/2$1,237

Cheap flight deals from California to Decatur

Keep the following information in mind while searching for California to Decatur flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
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.
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From California to Decatur Arpt
Search Deals
One-way flight from California to Decatur Arpt
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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 November 3, 2025.
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

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 3/7

6:45 am-5:56 pm

1 stop9h 11m

Decatur Arpt

Tue 3/10

7:09 pm-11:54 pm

1 stop6h 45m

$374

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Fri 2/20

5:20 am-5:56 pm

2 stops10h 36m

Decatur Arpt

Tue 2/24

7:05 pm-12:59 pm

1 stop19h 54m

$420

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

7:10 pm-5:52 pm

2 stops20h 42m

Decatur Arpt

Mon 12/15

9:49 am-5:28 pm

1 stop9h 39m

$452

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Fri 12/5

7:00 am-5:52 pm

1 stop8h 52m

Decatur Arpt

Mon 12/8

7:08 pm-11:49 am

1 stop18h 41m

$455

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Fri 11/28

5:03 pm-5:52 pm

1 stop22h 49m

Decatur Arpt

Fri 12/5

9:49 am-8:51 pm

2 stops13h 02m

$476

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Sun 12/21

11:55 pm-9:05 am

1 stop7h 10m

Decatur Arpt

Wed 12/31

9:44 am-10:43 pm

1 stop14h 59m

$483

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Fri 12/19

7:00 am-5:59 pm

1 stop8h 59m

Decatur Arpt

Wed 12/31

9:44 am-11:59 pm

1 stop16h 15m

$483

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Tue 11/25

12:25 am-8:48 am

1 stop6h 23m

Decatur Arpt

Sun 11/30

7:08 pm-9:50 am

1 stop16h 42m

$504

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Tue 11/18

11:59 pm-5:52 pm

1 stop15h 53m

$263

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Fri 11/21

2:41 pm-5:52 pm

1 stop25h 11m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 12 results
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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, January is the cheapest month in which you can book a flight from California to Decatur, Illinois (average of $217). Flying from California to Decatur, Illinois in June is currently the most expensive (average of $364). 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 9h 11m. There are 1801 mi between California and Decatur, Illinois.

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

    Most travelers choose San Francisco - Decatur Arpt, Los Angeles - 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, January is the cheapest month in which you can book a flight from California to Decatur, Illinois (average of $217). Flying from California to Decatur, Illinois in June is currently the most expensive (average of $364). 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

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Alternative routes for California to Decatur

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$449FlexibilityNo cancel feeOn-time69%

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