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Cheap flights from Chicago to San Francisco from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to San Francisco departing on 10/16. 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
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dl. 7/22
dl. 7/29

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Easily compare round-trip flights from Chicago to San Francisco

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to San Francisco by changing tabs
Alaska Airlines
Sep 13
ORD5:25 pmChicago O'Hare Intl
4h 44m
SFO8:09 pmSan Francisco
Sep 21
SFO9:55 amSan Francisco
4h 20m
ORD4:15 pmChicago O'Hare Intl
Frontier
Nov 13
MDW4:09 pmChicago Midway
4h 38m
SFO6:47 pmSan Francisco
Nov 18
SFO9:03 amSan Francisco
4h 11m
MDW3:14 pmChicago Midway
United Airlines
Sep 29
ORD6:30 amChicago O'Hare Intl
4h 39m
SFO9:09 amSan Francisco
Oct 11
SFO10:45 pmSan Francisco
4h 14m
ORD4:59 amChicago O'Hare Intl
Multiple Airlines
Aug 29
ORD1:24 pmChicago O'Hare Intl
7h 18m
1 stop
SFO6:42 pmSan Francisco
Sep 4
SFO9:55 amSan Francisco
4h 20m
ORD4:15 pmChicago O'Hare Intl
American Airlines
Aug 17
ORD5:50 amChicago O'Hare Intl
9h 50m
1 stop
SFO1:40 pmSan Francisco
Aug 20
SFO8:00 amSan Francisco
4h 14m
ORD2:14 pmChicago O'Hare Intl
Frontier
Nov 13
MDW4:09 pmChicago Midway
4h 38m
SFO6:47 pmSan Francisco
Nov 18
SFO9:03 amSan Francisco
4h 11m
MDW3:14 pmChicago Midway

Find the cheapest one-way flights from Chicago to San Francisco

If you're looking for one-way flights from Chicago to San Francisco, view some of our deals below provided by Alaska Airlines, Frontier and United Airlines
Frontier
Oct 16
MDW4:09 pmChicago Midway
4h 38m
SFO6:47 pmSan Francisco
Alaska Airlines
Nov 5
ORD5:57 pmChicago O'Hare Intl
4h 44m
SFO8:41 pmSan Francisco
United Airlines
Aug 20
ORD7:30 amChicago O'Hare Intl
4h 43m
SFO10:13 amSan Francisco

Find the cheapest direct flights from Chicago to San Francisco

Frontier
Nov 13
MDW4:09 pmChicago Midway
4h 38m
SFO6:47 pmSan Francisco
Nov 18
SFO9:03 amSan Francisco
4h 11m
MDW3:14 pmChicago Midway
Alaska Airlines
Sep 5
ORD5:25 pmChicago O'Hare Intl
4h 44m
SFO8:09 pmSan Francisco
Sep 14
SFO9:55 amSan Francisco
4h 20m
ORD4:15 pmChicago O'Hare Intl
United Airlines
Sep 29
ORD6:30 amChicago O'Hare Intl
4h 39m
SFO9:09 amSan Francisco
Oct 11
SFO10:45 pmSan Francisco
4h 14m
ORD4:59 amChicago O'Hare Intl
American Airlines
Sep 10
ORD8:35 amChicago O'Hare Intl
4h 43m
SFO11:18 amSan Francisco
Sep 17
SFO6:00 amSan Francisco
4h 15m
ORD12:15 pmChicago O'Hare Intl
Frontier
Nov 13
MDW4:09 pmChicago Midway
4h 38m
SFO6:47 pmSan Francisco
Nov 18
SFO9:03 amSan Francisco
4h 11m
MDW3:14 pmChicago Midway
Alaska Airlines
Aug 29
ORD5:25 pmChicago O'Hare Intl
4h 44m
SFO8:09 pmSan Francisco
Sep 4
SFO9:55 amSan Francisco
4h 20m
ORD4:15 pmChicago O'Hare Intl

Search last-minute flights to San Francisco from Chicago

Find and compare round-trip flight prices for your last-minute flight from Chicago to San Francisco
Frontier
Jul 27
ORD8:21 pmChicago O'Hare Intl
6h 21m
1 stop
SFO12:42 amSan Francisco
Jul 31
SFO4:08 pmSan Francisco
9h 59m
1 stop
ORD4:07 amChicago O'Hare Intl
Multiple Airlines
Jul 24
ORD8:05 pmChicago O'Hare Intl
14h 13m
1 stop
SFO8:18 amSan Francisco
Jul 30
SFO8:42 pmSan Francisco
6h 49m
1 stop
ORD5:31 amChicago O'Hare Intl
American Airlines
Jul 23
ORD3:15 pmChicago O'Hare Intl
4h 36m
SFO5:51 pmSan Francisco
Aug 6
SFO6:00 amSan Francisco
4h 17m
ORD12:17 pmChicago O'Hare Intl
United Airlines
Jul 18
ORD8:45 amChicago O'Hare Intl
4h 35m
SFO11:20 amSan Francisco
Aug 20
SFO4:02 pmSan Francisco
5h 55m
1 stop
ORD11:57 pmChicago O'Hare Intl
Sun Country Air
Jul 25
ORD8:05 pmChicago O'Hare Intl
14h 13m
1 stop
SFO8:18 amSan Francisco
Jul 28
SFO11:59 pmSan Francisco
18h 00m
1 stop
ORD7:59 pmChicago O'Hare Intl
Delta
Jul 31
ORD6:00 amChicago O'Hare Intl
8h 21m
1 stop
SFO12:21 pmSan Francisco
Aug 14
SFO5:19 amSan Francisco
9h 13m
1 stop
ORD4:32 pmChicago O'Hare Intl

Alaska Airlines flights from Chicago to San Francisco

Our best Alaska Airlines deals on Chicago to San Francisco flight tickets
Alaska Airlines
Sep 13
ORD5:25 pmChicago O'Hare Intl
4h 44m
SFO8:09 pmSan Francisco
Sep 21
SFO9:55 amSan Francisco
4h 20m
ORD4:15 pmChicago O'Hare Intl
Alaska Airlines
Oct 16
ORD5:45 pmChicago O'Hare Intl
4h 43m
SFO8:28 pmSan Francisco
Oct 16
SFO11:45 pmSan Francisco
4h 19m
ORD6:04 amChicago O'Hare Intl
Alaska Airlines
Aug 29
ORD5:25 pmChicago O'Hare Intl
4h 44m
SFO8:09 pmSan Francisco
Sep 4
SFO9:55 amSan Francisco
4h 20m
ORD4:15 pmChicago O'Hare Intl

United Airlines flights from Chicago to San Francisco

Our best United Airlines deals on Chicago to San Francisco flight tickets
United Airlines
Sep 29
ORD6:30 amChicago O'Hare Intl
4h 39m
SFO9:09 amSan Francisco
Oct 11
SFO10:45 pmSan Francisco
4h 14m
ORD4:59 amChicago O'Hare Intl
United Airlines
Sep 6
ORD3:50 pmChicago O'Hare Intl
4h 39m
SFO6:29 pmSan Francisco
Sep 9
SFO4:50 pmSan Francisco
4h 15m
ORD11:05 pmChicago O'Hare Intl
United Airlines
Aug 15
ORD6:05 amChicago O'Hare Intl
4h 40m
SFO8:45 amSan Francisco
Aug 20
SFO5:15 amSan Francisco
4h 22m
ORD11:37 amChicago O'Hare Intl

How to get the cheapest flight ticket from Chicago 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 from Chicago to San Francisco?

September. The cheapest time of year to fly to San Francisco from Chicago is September. Most expensive is March

What is the cheapest day to depart Chicago for San Francisco?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Chicago to San Francisco?

In the afternoon. Chicago to San Francisco flights are approximately 11% more expensive at noon than in the afternoon

What is the cheapest airline that flies to San Francisco from Chicago?

Spirit Airlines. Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Chicago to San Francisco

What is the cheapest Chicago to San Francisco flight route?

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

How far in advance should you book Chicago to San Francisco flights?

51 days before. The cheapest time to buy a flight from Chicago to San Francisco is approximately 51 days to departure

How many flights depart from Chicago to San Francisco on average per day?

The number of flights available between Chicago and San Francisco is 58 per day as of July 2024. The most frequent departure time is 8:00PM, with 40% of daily flights leaving in the afternoon.

How many flights depart from Chicago to San Francisco on average per week?

407 flights are operational weekly from Chicago to San Francisco as of July 2024. The most popular departure day for this route is Monday, with 16% of flights per week taking off on this day.

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

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

Can stopping save me money on Chicago to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Chicago to San Francisco.

How have Chicago to San Francisco flight prices changed over time?

As of July 2024, prices for Chicago to San Francisco flights are approximately 22% cheaper when compared to flights at the same time last year.

Cheap Chicago to San Francisco (CHI to SFO) flight deals and tips

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

Best Price Found

$39

Fastest flight time

4h 29m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Chicago in the past 72 hours is $39. The best round-trip flight deal from Chicago to San Francisco found on momondo in the last 72 hours is $107.
The fastest flight from Chicago to San Francisco takes 4h 29m
Direct flights go from Chicago to San Francisco on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: American Airlines, Alaska Airlines and Frontier.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is Chicago to San Francisco by plane?

    San Francisco is 1852.8 mi away from Chicago. Typically, this will take 4h 29m by plane in normal conditions.

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

    Prices for flights from Chicago to San Francisco Airport refresh daily.

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

  • How old do you have to be to fly from Chicago 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 Chicago 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.


Best airlines flying from Chicago to San Francisco

Compare and see reviews for airlines that fly from Chicago to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $78Free CancellationRating
6.2
3,859 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $95Free CancellationRating
6.3
8,412 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $109Free CancellationRating
8.0
9,381 reviews
Search Alaska Airlines flights
DeltaPriceFrom $118Free CancellationRating
8.0
9,766 reviews
Search Delta flights
American AirlinesPriceFrom $158Free CancellationRating
7.3
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
10,000 reviews
Search United Airlines flights
  • Alaska Airlines Flights From Chicago to San Francisco

    Alaska Airlines operates around 8 flights from Chicago to San Francisco every week. The average price of these flights found in the last 72 hours has been $287, but momondo users have found Alaska Airlines deals from Chicago to San Francisco from as low as $109 round-trip. Alaska Airlines has been scored 8.0/10 in 9,381 reviews.

  • United Airlines Flights From Chicago to San Francisco

    $196 is the best United Airlines flight deal from Chicago to San Francisco found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $338, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 10,000 user reviews) flies into San Francisco from Chicago 57 times in an average week so prices can vary.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Chicago.

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

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

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

Once you have performed a search for Chicago 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 Chicago to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.


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dl. 7/29
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