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Decatur

$260+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEC
Apr 24 — May 11
Fri 4/24
Fri 5/1
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 March 25, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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 4/2111:59 pm
LAX
-
DEC
1 stop6h 59m
United Airlines
Tue 4/287:37 pm
DEC
-
LAX
1 stop6h 37m
United Airlines
Deal found 3/23$364
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/139:00 am
LAS
-
DEC
1 stop6h 58m
United Airlines
Mon 5/187:25 pm
DEC
-
LAS
1 stop6h 34m
United Airlines
Deal found 3/20$434
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/2011:55 pm
LAS
-
DEC
2 stops16h 03m
United Airlines
Mon 4/279:52 am
DEC
-
LAS
1 stop7h 27m
United Airlines
Deal found 3/23$444
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/811:59 pm
LAS
-
DEC
1 stop6h 59m
United Airlines
Sun 4/127:37 pm
DEC
-
LAS
1 stop6h 22m
United Airlines
Deal found 3/22$459
This United Airlines deal was found by Cheapflights users on 3/23. 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 10/2111:58 pm
LAX
-
DEC
1 stop6h 48m
United Airlines
Sat 10/246:55 pm
DEC
-
LAX
1 stop7h 14m
United Airlines
Deal found 3/23$464
This United Airlines deal was found by Cheapflights users on 3/23. 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 8/810:38 pm
SFO
-
DEC
1 stop8h 19m
United Airlines
Sat 8/156:55 pm
DEC
-
SFO
1 stop7h 25m
United Airlines
Deal found 3/23$489
This United Airlines deal was found by Cheapflights users on 3/24. 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 6/2511:30 pm
SFO
-
DEC
1 stop7h 27m
United Airlines
Fri 7/107:20 pm
DEC
-
SFO
1 stop8h 37m
United Airlines
Deal found 3/24$532
This United Airlines deal was found by Cheapflights users on 3/23. 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 8/111:30 pm
SFO
-
DEC
1 stop7h 27m
United Airlines
Sat 8/87:20 pm
DEC
-
SFO
1 stop7h 12m
United Airlines
Deal found 3/23$534
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/1510:27 am
LAX
-
DEC
2 stops20h 31m
United Airlines
Sat 4/187:37 pm
DEC
-
LAX
1 stop6h 37m
United Airlines
Deal found 3/19$552
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/79:00 am
LAS
-
DEC
1 stop6h 58m
United Airlines
Sat 4/117:37 pm
DEC
-
LAS
1 stop15h 54m
United Airlines
Deal found 3/23$564
This United Airlines deal was found by Cheapflights users on 3/24. 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 6/256:34 pm
SFO
-
DEC
1 stop12h 23m
United Airlines
Thu 7/97:20 pm
DEC
-
SFO
1 stop7h 12m
United Airlines
Deal found 3/24$601
This United Airlines deal was found by Cheapflights users on 3/24. 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 7/205:05 am
SFO
-
DEC
1 stop10h 51m
United Airlines
Thu 7/239:37 am
DEC
-
SFO
1 stop18h 20m
United Airlines
Deal found 3/24$614

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 March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$364
(United Airlines)

One-way from

$260
(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 March 25, 2026.
Use the filters below to find and compare flights from California to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Tue 4/21

11:59 pm-8:58 am

1 stop6h 59m

Decatur Arpt

Tue 4/28

7:37 pm-12:14 am

1 stop6h 37m

$364

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 5/13

9:00 am-5:58 pm

1 stop6h 58m

Decatur Arpt

Mon 5/18

7:25 pm-11:59 pm

1 stop6h 34m

$434

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Mon 4/20

11:55 pm-5:58 pm

2 stops16h 03m

Decatur Arpt

Mon 4/27

9:52 am-3:19 pm

1 stop7h 27m

$444
Quickest round-trip

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Wed 4/8

11:59 pm-8:58 am

1 stop6h 59m

Decatur Arpt

Sun 4/12

7:37 pm-11:59 pm

1 stop6h 22m

$459

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 8/1

11:30 pm-8:57 am

1 stop7h 27m

Decatur Arpt

Sat 8/8

7:20 pm-12:32 am

1 stop7h 12m

$534

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Wed 4/15

10:27 am-8:58 am

2 stops20h 31m

Decatur Arpt

Sat 4/18

7:37 pm-12:14 am

1 stop6h 37m

$552

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Tue 4/7

9:00 am-5:58 pm

1 stop6h 58m

Decatur Arpt

Sat 4/11

7:37 pm-9:31 am

1 stop15h 54m

$564

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 6/25

6:34 pm-8:57 am

1 stop12h 23m

Decatur Arpt

Thu 7/9

7:20 pm-12:32 am

1 stop7h 12m

$601

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 6/25

12:15 pm-8:57 am

2 stops18h 42m

Decatur Arpt

Fri 7/10

7:20 pm-1:57 am

1 stop8h 37m

$602

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Mon 7/20

5:05 am-5:56 pm

1 stop10h 51m

Decatur Arpt

Thu 7/23

9:37 am-1:57 am

1 stop18h 20m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 $269). Flying from California to Decatur, Illinois in June is currently the most expensive (average of $319). 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 6h 59m. There are 1673 mi between California and Decatur, Illinois.

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

    Most travelers choose San Francisco - Decatur Arpt, Oakland - 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, May is the cheapest month in which you can book a flight from California to Decatur, Illinois (average of $269). Flying from California to Decatur, Illinois in June is currently the most expensive (average of $319). 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$349Average$476FlexibilityNo cancel feeOn-time69%

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