Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Illinois from $88

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 Illinois departing on 5/24. 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
0 bags

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 San Francisco to Illinois

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Francisco to Illinois.
Frontier Logo
11:45 pm - 1:34 pmSFO-MDW
11h 49m1 stop
Frontier Logo
10:48 am - 10:22 pmMDW-SFO
13h 34m1 stop
$178Frontier
Find Deal
Wed, May 7 - Sat, May 10
Frontier Logo
8:45 pm - 8:22 amSFO-ORD
9h 37m1 stop
Frontier Logo
6:00 am - 5:19 pmORD-SFO
13h 19m1 stop
$178Frontier
Find Deal
Sat, May 24 - Sat, May 31
American Airlines Logo
11:49 pm - 6:13 amSFO-ORD
4h 24mnonstop
American Airlines Logo
7:40 am - 10:36 amORD-SFO
4h 56mnonstop
$179American Airlines
Find Deal
Sat, May 24 - Fri, May 30
Alaska Airlines Logo
12:33 pm - 6:59 pmSFO-ORD
4h 26mnonstop
Alaska Airlines Logo
7:59 pm - 10:49 pmORD-SFO
4h 50mnonstop
$198Alaska Airlines
Find Deal
Sun, May 25 - Thu, May 29
American Airlines Logo
11:49 pm - 6:06 amSFO-ORD
4h 17mnonstop
American Airlines Logo
6:45 am - 9:23 amORD-SFO
4h 38mnonstop
$206American Airlines
Find Deal
Mon, Jun 2 - Sat, Jun 7
Southwest Logo
7:45 pm - 5:00 amSFO-MDW
7h 15m1 stop
Southwest Logo
5:25 pm - 11:30 pmMDW-SFO
8h 05m1 stop
$207Southwest
Find Deal
Tue, Jul 1 - Wed, Jul 9
Southwest Logo
5:40 am - 4:05 pmSFO-MDW
8h 25m1 stop
Southwest Logo
5:25 pm - 11:30 pmMDW-SFO
8h 05m1 stop
$216Southwest
Find Deal
Wed, Jun 4 - Tue, Jun 10
Alaska Airlines Logo
12:33 pm - 6:59 pmSFO-ORD
4h 26mnonstop
Alaska Airlines Logo
7:59 pm - 10:49 pmORD-SFO
4h 50mnonstop
$217Alaska Airlines
Find Deal
Tue, May 27 - Wed, May 28
United Airlines Logo
8:35 am - 2:55 pmSFO-ORD
4h 20mnonstop
United Airlines Logo
6:30 am - 9:09 amORD-SFO
4h 39mnonstop
$255United Airlines
Find Deal
Sat, May 17 - Mon, May 26
United Airlines Logo
12:10 am - 6:30 amSFO-ORD
4h 20mnonstop
United Airlines Logo
7:55 pm - 11:00 pmORD-SFO
5h 05mnonstop
$267United Airlines
Find Deal
Sun, May 11 - Thu, May 15

Frontier flights from San Francisco to Illinois

Our best Frontier deals on San Francisco to Illinois flight tickets
Frontier
May 24
SFO8:45 pmSan Francisco
9h 37m
1 stop
ORD8:22 amChicago O'Hare Intl
May 31
ORD6:00 amChicago O'Hare Intl
13h 19m
1 stop
SFO5:19 pmSan Francisco
Frontier
May 20
SFO11:50 pmSan Francisco
9h 36m
1 stop
MDW11:26 amChicago Midway
May 31
MDW2:44 pmChicago Midway
11h 25m
1 stop
SFO12:09 amSan Francisco
Frontier
May 20
SFO9:59 pmSan Francisco
32h 23m
1 stop
ORD8:22 amChicago O'Hare Intl
May 24
ORD5:03 pmChicago O'Hare Intl
19h 25m
1 stop
SFO10:28 amSan Francisco

American Airlines flights from San Francisco to Illinois

Our best American Airlines deals on San Francisco to Illinois flight tickets
American Airlines
May 24
SFO11:49 pmSan Francisco
4h 24m
ORD6:13 amChicago O'Hare Intl
May 30
ORD7:40 amChicago O'Hare Intl
4h 56m
SFO10:36 amSan Francisco
American Airlines
Jun 2
SFO11:49 pmSan Francisco
4h 17m
ORD6:06 amChicago O'Hare Intl
Jun 7
ORD6:45 amChicago O'Hare Intl
4h 38m
SFO9:23 amSan Francisco
American Airlines
Jun 6
SFO12:59 amSan Francisco
7h 11m
1 stop
ORD10:10 amChicago O'Hare Intl
Jun 14
ORD6:35 pmChicago O'Hare Intl
4h 52m
SFO9:27 pmSan Francisco

See travel insights to Illinois from

How to get the cheapest flight ticket from San Francisco to 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 month to fly to Illinois?

The cheapest month to fly to Illinois from San Francisco is in February. Flight prices, which tend to average around $286, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $308.

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

The cheapest day to depart from San Francisco to Illinois is on a Wednesday when prices can be found for as low as $414. Flights from San Francisco to Illinois on a Sunday will generally be more expensive and average around $564. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from San Francisco to Illinois during this time can be as low as $374. Flights at noon are often more expensive with an average ticket price of $543.

What is the cheapest San Francisco to Illinois flight route?

Fly from San Francisco to Chicago Midway for the best San Francisco - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from San Francisco when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $376 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from San Francisco for as low as $306 on momondo.

What cabin class options are available on San Francisco to Illinois flights?

There are 4 cabin classes available to choose from on San Francisco to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Francisco to Illinois flight deals and tips

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

Best Price Found

$88

Fastest flight time

3h 45m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from San Francisco in the past 72 hours is $88. The best round-trip flight deal from San Francisco to Illinois found on momondo in the last 72 hours is $178.
The fastest flight from San Francisco to Illinois takes 3h 45m
Direct flights go from San Francisco to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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

    Prices for flights from San Francisco Airport to Illinois were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to Illinois?


Best airlines flying from San Francisco to Illinois

Compare and see reviews for airlines that fly from San Francisco to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $113Free CancellationRating
6.3
7,941 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.9
2,393 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $175Free CancellationRating
8.0
9,918 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $185Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
American AirlinesPriceFrom $197Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $208Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,920 reviews
Search Delta flights

Why use momondo?

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

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 Illinois for you.

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

Yes. momondo enables you to select and highlight flights to Illinois from San Francisco with this policy.

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

momondo helps you find the best flight between San Francisco and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from San Francisco and alert you when they change.


An easier way to manage your 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
From?
To?
Tue 4/29
Tue 5/6

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo