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Decatur

$307+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEC
Jul 26 — Aug 21
Sun 7/26
Sun 8/2
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 June 26, 2026.

This United Airlines deal was found by Cheapflights users on 6/25. 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 8/219:08 am
LAS
-
DEC
1 stop6h 51m
United Airlines
Mon 8/249:12 am
DEC
-
LAS
1 stop8h 50m
United Airlines
Deal found 6/25$414
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 9/1310:35 pm
SFO
-
DEC
1 stop7h 30m
United Airlines
Wed 9/237:20 pm
DEC
-
SFO
1 stop7h 30m
United Airlines
Deal found 6/23$443
This United Airlines deal was found by Cheapflights users on 6/25. 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 11/36:35 am
SFO
-
DEC
1 stop9h 16m
United Airlines
Sat 11/76:55 pm
DEC
-
SFO
1 stop7h 41m
United Airlines
Deal found 6/25$444
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sun 9/1310:35 pm
SFO
-
DEC
1 stop7h 30m
United Airlines
Sun 9/277:18 pm
DEC
-
SFO
1 stop7h 12m
United Airlines
Deal found 6/23$469
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/1611:30 pm
LAS
-
DEC
1 stop7h 27m
United Airlines
Sun 7/199:37 am
DEC
-
LAS
1 stop7h 08m
United Airlines
Deal found 6/23$484
This United Airlines deal was found by Cheapflights users on 6/23. 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 9/144:30 pm
SFO
-
DEC
1 stop23h 34m
United Airlines
Wed 9/237:20 pm
DEC
-
SFO
1 stop7h 30m
United Airlines
Deal found 6/23$502
This United Airlines deal was found by Cheapflights users on 6/23. 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 9/1410:35 pm
SFO
-
DEC
1 stop17h 29m
United Airlines
Sun 9/277:18 pm
DEC
-
SFO
1 stop7h 12m
United Airlines
Deal found 6/23$528
This United Airlines deal was found by Cheapflights users on 6/23. 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 9/1410:42 pm
SFO
-
DEC
2 stops17h 22m
United Airlines
Fri 10/27:18 pm
DEC
-
SFO
1 stop7h 12m
United Airlines
Deal found 6/23$531
This United Airlines deal was found by Cheapflights users on 6/25. 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 11/311:55 pm
LAX
-
DEC
1 stop6h 51m
United Airlines
Sat 11/76:55 pm
DEC
-
LAX
1 stop16h 35m
United Airlines
Deal found 6/25$531
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/811:30 pm
LAS
-
DEC
1 stop7h 27m
United Airlines
Sun 7/126:45 pm
DEC
-
LAS
1 stop16h 34m
United Airlines
Deal found 6/22$554
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 9/177:00 am
SFO
-
DEC
2 stops23h 05m
United Airlines
Sat 9/267:18 pm
DEC
-
SFO
1 stop7h 12m
United Airlines
Deal found 6/23$571
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 9/34:55 pm
LAX
-
DEC
1 stop23h 04m
United Airlines
Mon 9/77:20 pm
DEC
-
LAX
1 stop15h 10m
United Airlines
Deal found 6/26$580

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 June 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$414
(United Airlines)

One-way from

$307
(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 June 26, 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

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Fri 8/21

9:08 am-5:59 pm

1 stop6h 51m

Decatur Arpt

Mon 8/24

9:12 am-4:02 pm

1 stop8h 50m

$414
Quickest round-trip

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sun 9/13

10:55 pm-8:05 am

1 stop7h 10m

Decatur Arpt

Tue 9/29

7:18 pm-12:30 am

1 stop7h 12m

$443

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Wed 9/16

10:55 pm-8:05 am

1 stop7h 10m

Decatur Arpt

Sat 9/26

7:18 pm-12:30 am

1 stop7h 12m

$443

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Tue 10/27

10:45 pm-8:46 am

1 stop8h 01m

Decatur Arpt

Sat 10/31

6:55 pm-12:36 am

1 stop7h 41m

$444

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Tue 11/3

6:35 am-5:51 pm

1 stop9h 16m

Decatur Arpt

Sat 11/7

6:55 pm-12:36 am

1 stop7h 41m

$444

Las VegasDecatur

LAS - DEC

LASDEC

Las Vegas Harry Reid Intl

Thu 7/16

11:30 pm-8:57 am

1 stop7h 27m

Decatur Arpt

Sun 7/19

9:37 am-2:45 pm

1 stop7h 08m

$484

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Mon 9/14

4:30 pm-6:04 pm

1 stop23h 34m

Decatur Arpt

Sat 9/26

7:18 pm-12:30 am

1 stop7h 12m

$502

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Mon 9/14

10:42 pm-6:04 pm

2 stops17h 22m

Decatur Arpt

Thu 9/24

7:18 pm-12:30 am

1 stop7h 12m

$531

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Tue 11/3

11:55 pm-8:46 am

1 stop6h 51m

Decatur Arpt

Sat 11/7

6:55 pm-9:30 am

1 stop16h 35m

$531

Los AngelesDecatur

LAX - DEC

LAXDEC

Los Angeles

Tue 10/27

8:30 am-5:51 pm

1 stop7h 21m

Decatur Arpt

Sat 10/31

6:55 pm-5:40 pm

1 stop24h 45m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 20 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
No data available for this route at this time. Please check back soon.

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 $414, United Airlines can have you in Decatur, Illinois from California in 6h 51m. 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 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.

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

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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 June 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$349Average$476FlexibilityNo cancel feeOn-time69%

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