$237+ Cheap flights from San Francisco to Decatur, IL (SFO - 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEC
Aug 4 — Aug 111
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 July 30, 2025.
Round-trip from | $284 (United Airlines) |
|---|---|
One-way from | $237 (United Airlines) |
Find flight deals from San Francisco to Decatur
Cheapest flights from San Francisco to DecaturExplore 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 July 30, 2025.
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 July 30, 2025.
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/3011:59 pmSFO - DEC
1 stop6h 57mUnited Airlines
Sat 9/69:42 amDEC - SFO
1 stop7h 48mUnited Airlines
Deal found 7/29![United Airlines logo]()
$284
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 July 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
Sat 8/30
11:59 pm-8:56 am
1 stop6h 57m
Decatur Arpt
Sat 9/6
9:42 am-3:30 pm
1 stop7h 48m
$284
San FranciscoDecatur
SFO - DEC
SFODEC
San Francisco
Tue 8/19
5:15 am-8:56 am
1 stop25h 41m
$237
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.
Reviews of airlines servicing Decatur
Get insights into the airlines that provide service to Decatur. 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 Decatur. Reviews last updated July 30, 2025.
See what other customers who have flown with United Airlines from San Francisco to Decatur have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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.
Traveling to a place near Decatur?
Book flights to Decatur if you plan to visit one of these locationsMattoon
Effingham
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Alternative routes for San Francisco to Decatur
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from San Francisco to Decatur
Discover the top airline that operate flights from San Francisco 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 July 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$373 | Average$469 | FlexibilityNo cancel fee | On-time69% |