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San Francisco Bay Area

$394+ Cheap flights from Decatur, IL (DEC) to San Francisco Bay Area

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — SFO
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
1 adult, Economy
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Cheap flight deals from Decatur to San Francisco Bay Area

Cheapest flights from Decatur to San Francisco Bay Area
Explore the most affordable flight options available from Decatur to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2026.

This United Airlines deal was found by Cheapflights users on 3/1. 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 10/276:55 pm
DEC
-
SFO
1 stop7h 34m
United Airlines
Sat 10/316:35 am
SFO
-
DEC
1 stop9h 16m
United Airlines
Deal found 3/1$394
This United Airlines deal was found by Cheapflights users on 2/26. 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 5/57:25 pm
DEC
-
SFO
1 stop7h 10m
United Airlines
Sat 5/94:55 pm
SFO
-
DEC
1 stop14h 03m
United Airlines
Deal found 2/26$404
This United Airlines deal was found by Cheapflights users on 2/27. 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 3/147:15 pm
DEC
-
SFO
1 stop7h 01m
United Airlines
Wed 3/186:45 am
SFO
-
DEC
1 stop9h 08m
United Airlines
Deal found 2/27$444
This United Airlines deal was found by Cheapflights users on 2/28. 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 3/189:50 am
DEC
-
SFO
1 stop8h 07m
United Airlines
Wed 3/255:15 pm
SFO
-
DEC
1 stop22h 38m
United Airlines
Deal found 2/28$463
This United Airlines deal was found by Cheapflights users on 2/28. 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 5/297:05 pm
DEC
-
SFO
1 stop8h 37m
United Airlines
Mon 6/111:30 pm
SFO
-
DEC
1 stop16h 26m
United Airlines
Deal found 2/28$473
This United Airlines deal was found by Cheapflights users on 2/28. 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 6/189:37 am
DEC
-
SFO
1 stop9h 41m
United Airlines
Sun 6/2112:50 am
SFO
-
DEC
1 stop15h 06m
United Airlines
Deal found 2/28$489
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 7/257:05 pm
DEC
-
SFO
2 stops16h 22m
United Airlines
Sun 7/2611:30 pm
SFO
-
DEC
1 stop7h 27m
United Airlines
Deal found 3/1$496
This United Airlines deal was found by Cheapflights users on 3/2. 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 3/197:15 pm
DEC
-
SFO
1 stop7h 01m
United Airlines
Mon 3/3010:59 pm
SFO
-
DEC
2 stops31h 59m
United Airlines
Deal found 3/2$502

Find flight deals from Decatur to San Francisco Bay Area

Keep the following information in mind while searching for Decatur to San Francisco Bay Area flight deals. Data was last updated March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$394
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Decatur Arpt-San Francisco flights.
Search Deals
From Decatur Arpt to San Francisco Bay Area
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur to San Francisco Bay Area 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 3, 2026.
Use the filters below to find and compare flights from Decatur to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Tue 5/5

7:25 pm-12:35 am

1 stop7h 10m

San Francisco

Sat 5/9

11:56 pm-8:58 am

1 stop7h 02m

$394

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Sat 3/14

7:15 pm-12:16 am

1 stop7h 01m

San Francisco

Wed 3/18

6:45 am-5:53 pm

1 stop9h 08m

$444

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Fri 7/24

7:05 pm-12:30 am

1 stop7h 25m

San Francisco

Mon 7/27

10:59 pm-6:11 pm

2 stops17h 12m

$492

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Sat 7/25

7:05 pm-12:30 am

1 stop7h 25m

San Francisco

Sun 7/26

10:38 pm-8:57 am

1 stop8h 19m

$530

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Fri 3/20

7:15 pm-12:16 am

1 stop7h 01m

San Francisco

Mon 3/30

6:29 pm-5:57 pm

1 stop21h 28m

$542

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Sat 3/21

7:15 pm-12:16 am

1 stop7h 01m

San Francisco

Mon 3/30

6:29 pm-5:57 pm

1 stop21h 28m

$542

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Thu 3/19

7:15 pm-12:16 am

1 stop7h 01m

San Francisco

Sun 3/29

10:50 pm-8:58 am

1 stop8h 08m

$555

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Mon 3/23

7:15 pm-12:16 am

1 stop7h 01m

San Francisco

Sun 3/29

11:52 pm-8:58 am

1 stop7h 06m

$555

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Thu 3/19

7:15 pm-12:16 am

1 stop7h 01m

San Francisco

Thu 3/26

9:20 am-8:52 am

2 stops21h 32m

$558

DecaturSan Francisco

DEC - SFO

DECSFO

Decatur Arpt

Sun 5/17

7:25 pm-9:11 am

1 stop15h 46m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Sorted by cheapest first

Best time to book a flight from Decatur to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Decatur 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 Decatur to San Francisco Bay Area

What is the cheapest month to book a flight from Decatur, Illinois to San Francisco Bay Area?

Currently, December is the cheapest month in which you can book a flight from Decatur, Illinois to San Francisco Bay Area (average of $228). Flying from Decatur, Illinois to San Francisco Bay Area in April is currently the most expensive (average of $376). 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.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated March 3, 2026.
Read through reviews of airlines operating flights from Decatur to San Francisco Bay Area, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,377 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
9,377 reviews
United Airlines
7.4
Good
9,377 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

Find useful and relevant information for your journey from Decatur to San Francisco Bay Area. 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 from for flights from Decatur to San Francisco Bay Area?

    If you book a flight to San Francisco Bay Area from Decatur, you will be flying from Decatur Arpt, which is the city’s only airport. Decatur Arpt (DEC) is located 4.7 mi from the center of Decatur.

  • How long is the flight from Decatur, Illinois to San Francisco Bay Area?

    A quick flight from Decatur, Illinois to San Francisco Bay Area can take about 8h 37m. United Airlines provides one of the quickest options available for as low as $394. The distance from Decatur, Illinois to San Francisco Bay Area is about 1801 mi.

  • Can I find deals for flights from Decatur to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Decatur to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Decatur to San Francisco Bay Area?

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

  • Can I find deals for business class flights from Decatur to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Decatur to San Francisco Bay Area 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 Decatur, Illinois to San Francisco Bay Area?

    Currently, December is the cheapest month in which you can book a flight from Decatur, Illinois to San Francisco Bay Area (average of $228). Flying from Decatur, Illinois to San Francisco Bay Area in April is currently the most expensive (average of $376). 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

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Alternative routes for Decatur to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Decatur to San Francisco Bay Area

Discover the top airline that operate flights from Decatur to San Francisco Bay Area. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$309Average$440FlexibilityNo cancel feeOn-time69%

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