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Cheap flights from Decatur, Illinois to San Francisco from $420

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Decatur, Illinois to San Francisco departing on 10/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Decatur, Illinois to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:18 pm - 12:30 amDEC  Decatur Arpt-SFO San Francisco
7h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
6:35 am - 5:55 pmSFO  San Francisco-DEC Decatur Arpt
9h 20m1 stop Chicago O'Hare Intl
$420United Airlines
Sat, Oct 24 - Thu, Nov 5
United Airlines Logo
6:55 pm - 12:36 amDEC  Decatur Arpt-SFO San Francisco
7h 41m1 stop Chicago O'Hare Intl
United Airlines Logo
10:45 pm - 8:46 amSFO  San Francisco-DEC Decatur Arpt
8h 01m1 stop Chicago O'Hare Intl
$454United Airlines
Tue, Feb 2 - Sat, Feb 6
United Airlines Logo
7:20 pm - 12:16 amDEC  Decatur Arpt-SFO San Francisco
6h 56m1 stop Chicago O'Hare Intl
United Airlines Logo
10:35 pm - 7:37 amSFO  San Francisco-DEC Decatur Arpt
7h 02m1 stop Chicago O'Hare Intl
$454United Airlines
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
7:20 pm - 12:50 amDEC  Decatur Arpt-SFO San Francisco
7h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
10:35 pm - 8:05 amSFO  San Francisco-DEC Decatur Arpt
7h 30m1 stop Chicago O'Hare Intl
$454United Airlines
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
7:20 pm - 12:16 amDEC  Decatur Arpt-SFO San Francisco
6h 56m1 stop Chicago O'Hare Intl
United Airlines Logo
10:35 pm - 8:05 amSFO  San Francisco-DEC Decatur Arpt
7h 30m1 stop Chicago O'Hare Intl
$454United Airlines
Thu, Sep 3 - Tue, Sep 8
United Airlines Logo
6:57 pm - 12:53 amDEC  Decatur Arpt-SFO San Francisco
7h 56m1 stop Chicago O'Hare Intl
United Airlines Logo
11:30 pm - 8:40 amSFO  San Francisco-DEC Decatur Arpt
7h 10m1 stop Chicago O'Hare Intl
$454United Airlines
Mon, Oct 26 - Sat, Nov 7
United Airlines Logo
7:18 pm - 12:30 amDEC  Decatur Arpt-SFO San Francisco
7h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
11:30 pm - 8:40 amSFO  San Francisco-DEC Decatur Arpt
7h 10m1 stop Chicago O'Hare Intl
$454United Airlines
Fri, Oct 23 - Sun, Nov 8
United Airlines Logo
7:18 pm - 12:30 amDEC  Decatur Arpt-SFO San Francisco
7h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
10:45 pm - 8:40 amSFO  San Francisco-DEC Decatur Arpt
7h 55m1 stop Chicago O'Hare Intl
$454United Airlines
Thu, Oct 22 - Sat, Nov 7
United Airlines Logo
7:18 pm - 12:30 amDEC  Decatur Arpt-SFO San Francisco
7h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
6:35 am - 5:55 pmSFO  San Francisco-DEC Decatur Arpt
9h 20m1 stop Chicago O'Hare Intl
$454United Airlines
Sat, Oct 24 - Tue, Nov 3

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United Airlines flights from Decatur, Illinois to San Francisco

Our best United Airlines deals on Decatur, Illinois to San Francisco flight tickets
United Airlines
Oct 24
DEC7:18 pmDecatur Arpt
7h 12m
1 stop
SFO12:30 amSan Francisco
Nov 5
SFO6:35 amSan Francisco
9h 20m
1 stop
DEC5:55 pmDecatur Arpt
$420
United Airlines
Feb 2
DEC6:55 pmDecatur Arpt
7h 41m
1 stop
SFO12:36 amSan Francisco
Feb 6
SFO10:45 pmSan Francisco
8h 01m
1 stop
DEC8:46 amDecatur Arpt
$454
United Airlines
Oct 25
DEC6:57 pmDecatur Arpt
15h 47m
1 stop
SFO8:44 amSan Francisco
Nov 3
SFO6:35 amSan Francisco
9h 20m
1 stop
DEC5:55 pmDecatur Arpt
$479

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to San Francisco 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 August 6, 2026.
Use the filters below to find and compare flights from Decatur, Illinois to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Sat 10/24

7:18 pm-12:30 am

1 stop7h 12m

San Francisco

Thu 11/5

6:35 am-5:55 pm

1 stop9h 20m

$420

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Tue 2/2

6:55 pm-12:36 am

1 stop7h 41m

San Francisco

Sat 2/6

10:45 pm-8:46 am

1 stop8h 01m

$454
Quickest round-trip

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Thu 9/3

7:20 pm-12:16 am

1 stop6h 56m

San Francisco

Sun 9/6

10:35 pm-7:37 am

1 stop7h 02m

$454

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Fri 9/4

7:20 pm-12:50 am

1 stop7h 30m

San Francisco

Tue 9/8

10:35 pm-8:05 am

1 stop7h 30m

$454

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Thu 9/3

7:20 pm-12:16 am

1 stop6h 56m

San Francisco

Tue 9/8

10:35 pm-8:05 am

1 stop7h 30m

$454

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Mon 10/26

6:57 pm-12:53 am

1 stop7h 56m

San Francisco

Sat 11/7

11:30 pm-8:40 am

1 stop7h 10m

$454

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Fri 10/23

7:18 pm-12:30 am

1 stop7h 12m

San Francisco

Sun 11/8

11:30 pm-8:40 am

1 stop7h 10m

$454

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Thu 10/22

7:18 pm-12:30 am

1 stop7h 12m

San Francisco

Sat 11/7

10:45 pm-8:40 am

1 stop7h 55m

$454

DecaturSan Francisco

DEC Decatur Arpt - SFO San Francisco

DECSFO

Decatur Arpt

Sat 10/24

7:18 pm-12:30 am

1 stop7h 12m

San Francisco

Tue 11/3

6:35 am-5:55 pm

1 stop9h 20m

$454

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Decatur, Illinois to San Francisco

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

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

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

Fastest flight time

6h 56m

Direct flights

None
The fastest flight from Decatur, Illinois to San Francisco takes 6h 56m
There are no direct flights from Decatur, Illinois to San Francisco. There are no popular flight routes from Decatur, Illinois to San Francisco.
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Frequently asked questions about flying from Decatur, Illinois to San Francisco

  • How far is Decatur Arpt to San Francisco by plane?

    There are 1794.6 mi between Decatur Arpt and San Francisco. 6h 56m is a normal flight duration for this route.

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

    Prices for flights from Decatur Arpt Airport to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Decatur Arpt Airport to San Francisco Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Decatur Arpt Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Decatur, Illinois to San Francisco?

Best airlines flying from Decatur, Illinois to San Francisco

Compare and see reviews for airlines that fly from Decatur, Illinois to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $316Free CancellationRating
7.4
10,073 reviews
Search United Airlines flights

Frequently asked questions about flying from Decatur, Illinois to San Francisco

  • How do I get Price Alerts for flights from Decatur, Illinois to San Francisco?

    Search flight deals from Decatur, Illinois to San Francisco. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Decatur, Illinois to San Francisco with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Fremont
Berkeley
Hayward
Walnut Creek
Bodega Bay
Roseville
Sonoma
Santa Clara
Vallejo
Salinas
Sunnyvale
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Daly City
Burlingame
Turlock
Marina

Why use momondo?

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

It is quick and easy to find Decatur to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Yes. All flights to San Francisco from Decatur on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Price alerts on flights to San Francisco from Decatur are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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