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Decatur

$439+ Cheap flights from San Francisco Bay Area to Decatur, IL (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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEC
Jan 24 — Jan 311
Sat 1/24
Sat 1/31
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Decatur

Best flights from San Francisco Bay Area to Decatur
Discover carefully curated flight deals from San Francisco Bay Area to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 25, 2025.

This United Airlines deal was found by Cheapflights users on 12/24. 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 2/286:45 amSFO - DEC
1 stop9h 09mUnited Airlines
Tue 3/37:15 pmDEC - SFO
1 stop16h 12mUnited Airlines
Deal found 12/24$439
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Sat 1/101:00 pmSFO - DEC
2 stops18h 05mUnited Airlines
Tue 1/137:09 pmDEC - SFO
1 stop16h 31mUnited Airlines
Deal found 12/22$582

Find flight deals from San Francisco Bay Area to Decatur

Keep the following information in mind while searching for San Francisco Bay Area to Decatur flight deals. Data was last updated December 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$439
(United Airlines)
Provider with most accurate pricing for San Francisco-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Decatur Arpt flights.
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From San Francisco Bay Area to Decatur Arpt
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 December 25, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Decatur that are best for you.

Fly from

San Francisco Bay Area

Fly to

Decatur

Route

Depart

Return

Price

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 2/28

6:45 am-5:54 pm

1 stop9h 09m

Decatur Arpt

Tue 3/3

7:15 pm-9:27 am

1 stop16h 12m

$439

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 1/10

1:00 pm-9:05 am

2 stops18h 05m

Decatur Arpt

Tue 1/13

7:09 pm-9:40 am

1 stop16h 31m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

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

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

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

Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Decatur, Illinois (average of $380). Flying from San Francisco Bay Area to Decatur, Illinois in November is currently the most expensive (average of $535). 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 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 December 25, 2025.
Peruse reviews from past customers who have flown with United Airlines from San Francisco Bay Area to Decatur to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,114 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
9,114 reviews
United Airlines
7.4
Good
9,114 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area 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 San Francisco Bay Area?

    If you book a flight to Decatur from San Francisco Bay Area, you will be flying to 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 San Francisco Bay Area to Decatur, Illinois?

    There are many flights that can get you from San Francisco Bay Area to Decatur, Illinois in 9h 09m. Fly via United Airlines to get the fastest option. The distance between San Francisco Bay Area and Decatur, Illinois is about 1801 mi.

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Decatur, Illinois (average of $380). Flying from San Francisco Bay Area to Decatur, Illinois in November is currently the most expensive (average of $535). 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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Top airline flying from San Francisco Bay Area to Decatur

Discover the top airline that operate flights from San Francisco Bay Area 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 December 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$374Average$479FlexibilityNo cancel feeOn-time69%

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