Cheap flights from San Francisco to Decatur from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Decatur departing on 12/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Francisco to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 5:52 pmSFO-DEC
8h 52m1 stop
United Airlines Logo
9:49 am - 3:35 pmDEC-SFO
7h 46m1 stop
$444United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
7:00 am - 5:52 pmSFO-DEC
8h 52m1 stop
United Airlines Logo
9:49 am - 5:28 pmDEC-SFO
9h 39m1 stop
$489United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
7:00 am - 5:52 pmSFO-DEC
8h 52m1 stop
United Airlines Logo
9:49 am - 7:28 amDEC-SFO
23h 39m2 stops
$555United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
7:00 am - 5:52 pmSFO-DEC
8h 52m1 stop
United Airlines Logo
9:49 am - 9:42 pmDEC-SFO
13h 53m2 stops
$582United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
6:01 pm - 8:48 amSFO-DEC
12h 47m2 stops
United Airlines Logo
9:49 am - 9:33 pmDEC-SFO
13h 44m2 stops
$676United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
10:59 pm - 5:52 pmSFO-DEC
16h 53m2 stops
United Airlines Logo
9:49 am - 9:42 pmDEC-SFO
13h 53m2 stops
$701United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
6:01 pm - 8:48 amSFO-DEC
12h 47m2 stops
United Airlines Logo
9:49 am - 9:42 pmDEC-SFO
13h 53m2 stops
$736United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15

United Airlines flights from San Francisco to Decatur, Illinois

Our best United Airlines deals on San Francisco to Decatur, Illinois flight tickets
United Airlines
Dec 11
SFO7:00 amSan Francisco
8h 52m
1 stop
DEC5:52 pmDecatur Arpt
Dec 15
DEC9:49 amDecatur Arpt
7h 46m
1 stop
SFO3:35 pmSan Francisco
United Airlines
Dec 11
SFO7:00 amSan Francisco
8h 52m
1 stop
DEC5:52 pmDecatur Arpt
Dec 15
DEC9:49 amDecatur Arpt
9h 39m
1 stop
SFO5:28 pmSan Francisco
United Airlines
Dec 11
SFO7:00 amSan Francisco
8h 52m
1 stop
DEC5:52 pmDecatur Arpt
Dec 15
DEC9:49 amDecatur Arpt
23h 39m
2 stops
SFO7:28 amSan Francisco

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Decatur, Illinois 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, momondo users made 832,500 searches. Data last updated November 30, 2025.
Use the filters below to find and compare flights from San Francisco to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

7:00 am-5:52 pm

1 stop8h 52m

Decatur Arpt

Mon 12/15

9:49 am-3:35 pm

1 stop7h 46m

$444

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

7:00 am-5:52 pm

1 stop8h 52m

Decatur Arpt

Mon 12/15

9:49 am-5:28 pm

1 stop9h 39m

$489

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

7:00 am-5:52 pm

1 stop8h 52m

Decatur Arpt

Mon 12/15

9:49 am-7:28 am

2 stops23h 39m

$555

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

7:00 am-5:52 pm

1 stop8h 52m

Decatur Arpt

Mon 12/15

9:49 am-9:42 pm

2 stops13h 53m

$582

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

6:01 pm-8:48 am

2 stops12h 47m

Decatur Arpt

Mon 12/15

9:49 am-9:33 pm

2 stops13h 44m

$676

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

10:59 pm-5:52 pm

2 stops16h 53m

Decatur Arpt

Mon 12/15

9:49 am-9:42 pm

2 stops13h 53m

$701

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Thu 12/11

6:01 pm-8:48 am

2 stops12h 47m

Decatur Arpt

Mon 12/15

9:49 am-9:42 pm

2 stops13h 53m

$736

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sun 12/28

5:00 am-9:05 am

1 stop26h 05m

$332

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sun 12/28

8:50 pm-5:59 pm

2 stops19h 09m

$461

San FranciscoDecatur

SFO - DEC

SFODEC

San Francisco

Sat 12/27

12:30 am-5:59 pm

2 stops15h 29m

$1,445

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Decatur from

How to get the cheapest flight ticket from San Francisco to Decatur, Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Decatur, Illinois?

The cheapest day to depart on your flight to Decatur, Illinois is on a Saturday when prices can be found for as low as $394. This is often the case because there is less demand to fly during this day of the week. Flights from San Francisco to Decatur, Illinois on a Thursday will generally be more expensive and average around $573. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Decatur, Illinois?

In the evening is the cheapest time of day to fly from San Francisco to Decatur, Illinois when you can find flight prices for as low as $388. Flying to Decatur, Illinois in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Decatur, Illinois, so prices are often more expensive at around $538 per ticket.

When to book flights from San Francisco to Decatur, Illinois

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Decatur, Illinois according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Decatur, Illinois (SFO to DEC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Decatur, Illinois

Fastest flight time

8h 52m

Direct flights

None
The fastest flight from San Francisco to Decatur, Illinois takes 8h 52m
There are no direct flights from San Francisco to Decatur, Illinois. There are no popular flight routes from San Francisco to Decatur, Illinois.
  • How far is San Francisco to Decatur Arpt by plane?

    San Francisco and Decatur Arpt are 1795.0 mi apart from one another. 8h 52m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Francisco Airport to Decatur Arpt Airport?

    Prices for flights from San Francisco Airport to Decatur Arpt Airport are updated daily.

  • How old do you have to be to fly from San Francisco Airport to Decatur Arpt Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Decatur Arpt Airport.

  • What documentation or ID do you need to fly to Decatur Arpt Airport?

    The required travel and health documents for your Decatur Arpt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Decatur Arpt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Effingham
Mattoon
Forsyth

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Decatur?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Decatur for you.

Can I find flights from San Francisco to Decatur with flexible booking policies on momondo?

momondo does allow users to show only those flights to Decatur from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Decatur?

momondo provides multiple filters to help you find the best flight to Decatur from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Decatur right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Decatur from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Decatur, Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/30
Tue 1/6

Find better results for your trip to the United States