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Decatur

$284+ Cheap flights from San Francisco to Decatur, IL (SFO - DEC)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEC
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from San Francisco to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$284
(United Airlines)
Provider with most accurate pricing for San Francisco-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Decatur Arpt flights.
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From San Francisco to Decatur Arpt
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Find flight deals from San Francisco to Decatur

Cheapest flights from San Francisco to Decatur
Explore the most affordable flight options available from San Francisco to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
mié. 12/311:44 pmSFO - DEC
1 stop7h 04mUnited Airlines
mié. 12/109:49 amDEC - SFO
1 stop7h 46mUnited Airlines
Deal found 10/30$284
This United Airlines deal was found by Cheapflights users on 10/30. 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.
sáb. 12/2711:05 pmSFO - DEC
1 stop8h 00mUnited Airlines
dom. 1/47:09 pmDEC - SFO
1 stop8h 05mUnited Airlines
Deal found 10/30$364
This United Airlines deal was found by Cheapflights users on 10/30. 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.
sáb. 11/810:40 pmSFO - DEC
1 stop8h 08mUnited Airlines
vie. 11/147:08 pmDEC - SFO
1 stop6h 51mUnited Airlines
Deal found 10/30$399
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mié. 12/38:30 amSFO - DEC
1 stop7h 22mUnited Airlines
jue. 12/119:49 amDEC - SFO
1 stop9h 39mUnited Airlines
Deal found 10/30$435
This United Airlines deal was found by Cheapflights users on 10/29. 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.
jue. 12/116:00 amSFO - DEC
1 stop9h 52mUnited Airlines
lun. 12/159:49 amDEC - SFO
1 stop7h 46mUnited Airlines
Deal found 10/29$454
This United Airlines deal was found by Cheapflights users on 10/30. 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.
jue. 12/47:25 amSFO - DEC
2 stops23h 23mUnited Airlines
vie. 12/129:49 amDEC - SFO
1 stop9h 39mUnited Airlines
Deal found 10/30$457
This United Airlines deal was found by Cheapflights users on 10/30. 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.
jue. 12/48:30 amSFO - DEC
1 stop7h 22mUnited Airlines
sáb. 12/137:08 pmDEC - SFO
1 stop20h 27mUnited Airlines
Deal found 10/30$499
This United Airlines deal was found by Cheapflights users on 10/30. 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.
sáb. 11/229:30 pmSFO - DEC
2 stops18h 22mUnited Airlines
jue. 11/279:44 amDEC - SFO
1 stop7h 51mUnited Airlines
Deal found 10/30$502

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 octubre 30, 2025.
Use the filters below to find and compare flights from San Francisco to Decatur that are best for you.

Fly from

San Francisco

Fly to

Decatur

Route

Depart

Return

Price

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

mié. 12/3

11:44 pm-8:48 am

1 stop7h 04m

Decatur Arpt

mié. 12/10

9:49 am-3:35 pm

1 stop7h 46m

$284

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

jue. 12/4

8:30 am-5:52 pm

1 stop7h 22m

Decatur Arpt

vie. 12/12

9:49 am-5:28 pm

1 stop9h 39m

$284

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

sáb. 12/27

11:05 pm-9:05 am

1 stop8h 00m

Decatur Arpt

dom. 1/4

7:09 pm-1:14 am

1 stop8h 05m

$364

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

sáb. 3/7

10:50 pm-7:52 am

1 stop7h 02m

Decatur Arpt

mié. 3/11

9:49 am-5:30 pm

1 stop9h 41m

$374

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

vie. 12/5

8:30 am-5:52 pm

1 stop7h 22m

Decatur Arpt

lun. 12/8

9:49 am-7:44 am

2 stops23h 55m

$432

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

jue. 12/11

6:00 am-5:52 pm

1 stop9h 52m

Decatur Arpt

lun. 12/15

9:49 am-3:35 pm

1 stop7h 46m

$454

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

mié. 12/3

4:54 pm-8:48 am

2 stops13h 54m

Decatur Arpt

jue. 12/11

9:49 am-5:28 pm

1 stop9h 39m

$493

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

jue. 12/25

8:50 pm-5:59 pm

2 stops19h 09m

$348

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

vie. 11/7

6:00 am-5:52 pm

1 stop9h 52m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Compare providers for flights from San Francisco to Decatur

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Decatur in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Decatur, Illinois flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Decatur, Illinois flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Decatur, Illinois flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Decatur

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

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Decatur, Illinois (average of $270). Flying from San Francisco to Decatur, Illinois in June is currently the most expensive (average of $527). 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 San Francisco to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from San Francisco to Decatur, Illinois in 7h 04m. Fly via United Airlines to get the fastest option. The distance between San Francisco and Decatur, Illinois is about 1801 mi.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Decatur, Illinois (average of $270). Flying from San Francisco to Decatur, Illinois in June is currently the most expensive (average of $527). 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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