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Decatur

$298+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEC
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 12/2912:25 amLAX - DEC
1 stop6h 40mUnited Airlines
Sat 1/37:09 pmDEC - LAX
1 stop7h 40mUnited Airlines
Deal found 12/15$444
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/313:14 pmLAS - DEC
2 stops24h 45mUnited Airlines
Sun 1/49:44 amDEC - LAS
2 stops12h 10mUnited Airlines
Deal found 12/16$446
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/2711:59 pmLAS - DEC
1 stop7h 06mUnited Airlines
Tue 12/307:09 pmDEC - LAS
1 stop29h 23mUnited Airlines
Deal found 12/15$485
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/314:55 pmSFO - DEC
1 stop23h 04mUnited Airlines
Sun 1/47:09 pmDEC - SFO
2 stops24h 33mUnited Airlines
Deal found 12/16$592
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/2911:05 pmSFO - DEC
1 stop8h 00mUnited Airlines
Fri 1/27:09 pmDEC - SFO
2 stops14h 31mUnited Airlines
Deal found 12/15$602
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2612:35 amLAX - DEC
1 stop6h 30mUnited Airlines
Wed 12/319:44 amDEC - LAX
2 stops23h 37mUnited Airlines
Deal found 12/17$691
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/198:25 amSFO - DEC
1 stop7h 34mUnited Airlines
Thu 12/259:44 amDEC - SFO
1 stop7h 57mUnited Airlines
Deal found 12/16$695
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/2711:05 pmSFO - DEC
1 stop8h 00mUnited Airlines
Tue 12/307:09 pmDEC - SFO
1 stop16h 03mUnited Airlines
Deal found 12/15$715

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$304
(United Airlines)

One-way from

$298
(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
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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 December 18, 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

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 1/15

11:30 pm-9:05 am

1 stop7h 35m

Decatur Arpt

Sun 1/18

9:49 am-3:20 pm

1 stop7h 31m

$364

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Sat 2/28

7:00 am-5:54 pm

1 stop8h 54m

Decatur Arpt

Sun 4/12

6:55 pm-11:51 pm

1 stop6h 56m

$394

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 12/31

3:14 pm-5:59 pm

2 stops24h 45m

Decatur Arpt

Sun 1/4

9:44 am-7:54 pm

2 stops12h 10m

$446

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Fri 1/9

6:45 am-6:01 pm

1 stop9h 16m

Decatur Arpt

Sun 1/18

9:49 am-11:12 pm

2 stops15h 23m

$477

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Wed 1/14

6:45 am-6:01 pm

1 stop9h 16m

Decatur Arpt

Sat 1/17

7:09 pm-9:30 pm

1 stop28h 21m

$506

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Wed 1/28

8:33 am-6:01 pm

1 stop7h 28m

Decatur Arpt

Sat 1/31

7:09 pm-8:47 am

2 stops15h 38m

$507

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Fri 2/13

9:20 pm-5:54 pm

2 stops18h 34m

Decatur Arpt

Sun 2/15

9:50 am-5:40 pm

1 stop9h 50m

$542

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 4/2

12:36 am-5:51 pm

2 stops15h 15m

Decatur Arpt

Sat 4/4

6:55 pm-9:44 am

2 stops16h 49m

$579

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Fri 1/2

4:35 pm-9:05 am

2 stops14h 30m

Decatur Arpt

Tue 1/6

7:09 pm-9:40 am

1 stop16h 31m

$580

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Sat 2/28

7:05 am-8:52 am

1 stop23h 47m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 11 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 $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 $364, United Airlines can have you in Decatur, Illinois from California in 7h 35m. There are 1449 mi between California and Decatur, Illinois.

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

    Most travelers choose San Francisco - Decatur Arpt, Las Vegas Harry Reid Intl - Decatur Arpt or Los Angeles - 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 $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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$389Average$478FlexibilityNo cancel feeOn-time69%

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