$429+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEC
May 4 — May 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 April 29, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $429 (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 April 29, 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 April 29, 2025.
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/2911:15 pmSFO - DEC
1 stop7h 33mUnited Airlines
Mon 6/29:45 amDEC - SFO
1 stop25h 24mUnited Airlines
Deal found 4/28![United Airlines logo]()
$429
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 April 29, 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
Thu 5/29
11:15 pm-8:48 am
1 stop7h 33m
Decatur Arpt
Mon 6/2
9:45 am-9:09 am
1 stop25h 24m
$429
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- 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
Rainfall in Decatur by month
Plan your trip to Decatur by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Decatur, Illinois ranges from 1.7 - 4.4 inches per month. June is typically the wettest month, when rainfall can reach 4.4 in. January is typically the driest time to visit Decatur, Illinois when rainfall is around 1.7 in.
Temperature in Decatur by month
Plan your trip to Decatur by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Decatur, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).
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 April 29, 2025.
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Comfort
7.3
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.
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Alternative routes for San Francisco to Decatur
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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 April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$343 | Average$444 | FlexibilityNo cancel fee | On-time69% |