$279+ Cheap flights from Decatur, IL to San Francisco (DEC - SFO)
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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — SFO
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Decatur to San Francisco with Cheapflights
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 Decatur to San Francisco
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Cheapest flights from Decatur to San FranciscoExplore the most affordable flight options available from Decatur to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Decatur to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 11/107:02 pm -
1 stop7h 48m
Sat 11/1410:45 pm -
1 stop7h 24m
Deal found 10/25![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/26:57 pm -
1 stop18h 39m
Wed 12/94:45 pm -
1 stop13h 10m
Deal found 10/27![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/26:57 pm -
1 stop17h 28m
Sun 12/136:35 am -
1 stop9h 34m
Deal found 10/27![United Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/199:10 am -
1 stop9h 10m
Fri 11/277:00 am -
1 stop9h 10m
Deal found 10/29![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/26:57 pm -
1 stop20h 18m
Fri 12/112:17 pm -
1 stop25h 53m
Deal found 10/27![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/56:57 pm -
1 stop18h 39m
Wed 12/92:17 pm -
1 stop15h 38m
Deal found 10/27![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/56:57 pm -
1 stop17h 28m
Sun 12/136:35 am -
1 stop9h 34m
Deal found 10/27![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/66:57 pm -
1 stop18h 39m
Thu 12/103:00 pm -
1 stop14h 55m
Deal found 10/27![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/68:31 am -
1 stop6h 44m
Fri 12/1111:40 pm -
1 stop16h 30m
Deal found 10/27![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/56:57 pm -
1 stop17h 28m
Fri 12/1111:40 pm -
1 stop16h 30m
Deal found 10/27![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/56:57 pm -
1 stop18h 39m
Sat 12/127:00 am -
2 stops22h 55m
Deal found 10/27![United Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/126:57 pm -
1 stop7h 56m
Mon 11/165:10 pm -
1 stop23h 00m
Deal found 10/28![United Airlines logo]()
$694
Best flights from Decatur to San FranciscoDiscover carefully curated flight deals from Decatur to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Decatur to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 11/107:02 pm -
1 stop7h 48m
Sat 11/1410:45 pm -
1 stop7h 24m
Deal found 10/25![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/139:10 am -
1 stop9h 10m
Tue 11/1711:30 pm -
1 stop6h 39m
Deal found 10/29![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/146:57 pm -
1 stop7h 56m
Wed 11/1811:30 pm -
1 stop6h 39m
Deal found 10/30![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/199:10 am -
1 stop9h 10m
Fri 11/277:00 am -
1 stop9h 10m
Deal found 10/25![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/199:10 am -
1 stop7h 32m
Thu 11/2610:45 pm -
1 stop7h 24m
Deal found 10/27![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 1/229:25 am -
1 stop10h 08m
Tue 1/2610:40 pm -
1 stop7h 37m
Deal found 10/29![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/216:57 pm -
1 stop7h 56m
Fri 11/277:00 am -
1 stop9h 10m
Deal found 10/26![United Airlines logo]()
$514
Last-minute flights from Decatur to San FranciscoDiscover last-minute flight deals from Decatur to San Francisco. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Decatur to San Francisco. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 11/107:02 pm -
1 stop7h 48m
Sat 11/1410:45 pm -
1 stop7h 24m
Deal found 10/25![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/126:57 pm -
1 stop7h 56m
Mon 11/165:10 pm -
1 stop23h 00m
Deal found 10/28![United Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/139:10 am -
1 stop9h 10m
Tue 11/174:40 pm -
2 stops13h 29m
Deal found 10/29![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/146:57 pm -
2 stops16h 33m
Wed 11/182:20 pm -
2 stops15h 49m
Deal found 10/30![United Airlines logo]()
$906
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/199:10 am -
1 stop9h 10m
Fri 11/277:00 am -
1 stop9h 10m
Deal found 10/29![United Airlines logo]()
$514
One-way flights from Decatur to San FranciscoSearch for one-way flight options from Decatur to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Decatur to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/169:10 am -
1 stop28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 10/25. 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 1/27:03 pm -
1 stop15h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$386
Find flight deals from Decatur to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Decatur (DEC) to San Francisco (SFO). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $464 (United Airlines) |
One-way from | $279 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Decatur 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, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Decatur to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Mon 11/16
9:10 am-11:50 am
1 stop28h 40m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$279
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Tue 11/10
7:02 pm-12:50 am
1 stop7h 48m
San Francisco
Sat 11/14
10:45 pm-8:09 am
1 stop7h 24m
$464
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Fri 11/13
9:10 am-4:20 pm
1 stop9h 10m
San Francisco
Tue 11/17
11:30 pm-8:09 am
1 stop6h 39m
$464
Quickest round-trip
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Sat 11/14
6:57 pm-12:53 am
1 stop7h 56m
San Francisco
Wed 11/18
11:30 pm-8:09 am
1 stop6h 39m
$464
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Thu 11/19
9:10 am-4:20 pm
1 stop9h 10m
San Francisco
Fri 11/27
7:00 am-6:10 pm
1 stop9h 10m
$514
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Thu 11/19
9:10 am-2:42 pm
1 stop7h 32m
San Francisco
Thu 11/26
10:45 pm-8:09 am
1 stop7h 24m
$514
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Fri 1/22
9:25 am-5:33 pm
1 stop10h 08m
San Francisco
Tue 1/26
10:40 pm-8:17 am
1 stop7h 37m
$514
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Sat 11/21
6:57 pm-12:53 am
1 stop7h 56m
San Francisco
Fri 11/27
7:00 am-6:10 pm
1 stop9h 10m
$514
DecaturSan Francisco
DEC Decatur Arpt - SFO San Francisco
DECSFO
Decatur Arpt
Sat 1/2
9:18 am-7:32 am
2 stops24h 14m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$589
Sorted by cheapest first
Compare providers for flights from Decatur to San Francisco
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 Decatur to San Francisco in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Decatur, Illinois-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Decatur, Illinois-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Decatur, Illinois-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Decatur, Illinois-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub 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 Decatur, Illinois-San Francisco 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 Decatur to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Decatur with our price prediction graph.
DEC-SFO
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.
Related info for your journey
Find useful and relevant information for your journey from Decatur to San Francisco. 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 San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
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Santa Cruz
Walnut Creek
Hayward
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Newark
Burlingame
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Vallejo
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Fairfield
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San Bruno
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Davis
Morgan Hill
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