Cheap flights from Decatur, Illinois to San Francisco from $374
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 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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 Decatur, Illinois to San Francisco
Cheap round-trip flights
United Airlines flights from Decatur, Illinois to San Francisco
Our best United Airlines deals on Decatur, Illinois to San Francisco flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Decatur, Illinois to San Francisco
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 San Francisco?
The cheapest day to depart from Decatur, Illinois to San Francisco is on a Tuesday when prices can be found for as low as $348. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $571.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Decatur, Illinois to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $413. Flights in the afternoon are often more expensive with an average ticket price of $456.
When to book flights from Decatur, Illinois to San Francisco
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
How far is Decatur Arpt to San Francisco by plane?
There are 1795.0 mi between Decatur Arpt and San Francisco. 7h 04m 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?
The number of operators available for flights from Decatur Arpt Airport to San Francisco Airport is 1 as of July 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Decatur, Illinois to San Francisco is United Airlines (100% of total bookings).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $283 | Free Cancellation | Rating 7.4 8,844 reviews |
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy 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.