Cheap flights from Illinois to San Francisco from $80
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Francisco departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from 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 month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $288.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Illinois to San Francisco is on a Wednesday when prices can be found for as low as $371. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $554.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Illinois to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $400. Flights at noon are often more expensive with an average ticket price of $442.
What is the cheapest Illinois to San Francisco flight route?
Fly from Chicago Midway to San Francisco for the best Illinois - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Illinois when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $324 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Illinois for as low as $271 on momondo.
What cabin class options are available on Illinois to San Francisco flights?
There are 4 cabin classes available to choose from on Illinois to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to San Francisco?
Alaska Airlines, Frontier, and Southwest are the most popular carriers operating from Illinois to San Francisco
What airlines fly to San Francisco?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from Illinois according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to San Francisco on average per day?
61 flights are operational daily from Illinois to San Francisco as of April 2025. The most popular departure time for this route is 8:00PM, with 34% of flights per day taking off in the afternoon.
How many flights depart from Illinois to San Francisco on average per week?
As of April 2025, there are 429 flights per week flying from Illinois to San Francisco. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.
Cheap Illinois to San Francisco flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to San Francisco
Best Price Found | $80 |
|---|---|
Fastest flight time | 4h 10m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
When did momondo last update prices for flights from Illinois to San Francisco Airport?
Prices for flights from Illinois to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Illinois to San Francisco Airport?
As of April 2025, there are 7 operators available to choose from for flights from Illinois to San Francisco Airport.
How old do you have to be to fly from Illinois to San Francisco 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 Illinois to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco 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 San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to San Francisco?
Based on momondo bookings for flights between Illinois and San Francisco, the leading plane model is Airbus A321neo, making up 16.16% of the total bookings. Other popular models include Boeing 757-300 with 15.93%, Boeing 737-800 with 14.53%, and Boeing 777 with 14.13%.
Best airlines flying from Illinois to San Francisco
Compare and see reviews for airlines that fly from Illinois to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $78 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 7.9 2,392 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 8.0 9,906 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,684 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $262 | Free Cancellation | Rating 8.0 4,286 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 Illinois to San Francisco?
It is quick and easy to find Illinois 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 Illinois to San Francisco with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to San Francisco flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to San Francisco?
Once you have performed a search for Illinois to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to San Francisco right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Francisco from Illinois. 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.