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Cheap flights Chicago — San Francisco

Chicago (CHI, US) San Francisco (SFO, US)
from $90 2 985 km ~4h 1m 15 flights found 5 airlines cheapest on Saturday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $90 on 03.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 13 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
03 Dec 2026, Thu
Frontier Airlines F9 2145
15:21
ORD O'Hare International Airport
21:29
SFO San Francisco International Airport
6h 8m 1 stop
Flightnetwork
$90
View this ticket
10 Dec 2026, Thu
Frontier Airlines F9 1483
16:25
ORD O'Hare International Airport
22:25
SFO San Francisco International Airport
6h 1 stop
Gotogate
$98
View this ticket
14 Nov 2026, Sat
Frontier Airlines F9 1483
15:30
ORD O'Hare International Airport
21:17
SFO San Francisco International Airport
5h 47m 1 stop
Trip.com
$103
View this ticket
17 Nov 2026, Tue
Frontier Airlines F9 1341
05:30
ORD O'Hare International Airport
13:18
SFO San Francisco International Airport
7h 48m 2 stops
Clickavia
$114
View this ticket
04 Dec 2026, Fri
Southwest Airlines WN 1536
06:05
MDW Chicago Midway International Airport
10:55
SFO San Francisco International Airport
4h 50m Direct
Farera
$148
View this ticket
10 Dec 2026, Thu
Southwest Airlines WN 786
18:55
MDW Chicago Midway International Airport
23:45
SFO San Francisco International Airport
4h 50m Direct
Farera
$150
View this ticket
Route characteristics
Distance
2 985 km
Flight time
4h 1m
Time difference
-2h
Minimum price
from $90 (03.12.2026)
Average price
$111
Maximum price
$163
Departures per week
1
Cheapest day
Saturday
Departure airports (2)
MDW Chicago Midway International Airport ORD O'Hare International Airport
Arrival airports (1)
SFO San Francisco International Airport
Airlines (5)
F9 Frontier Airlines WN Southwest Airlines UA United Airlines AS Alaska Airlines AA American Airlines
Agencies (7)
Flightnetwork Gotogate Trip.com Clickavia Farera Tickets Kupi.com
Prices by day of week
Tuesday
$114
avg $114
Thursday
$90
avg $113
Friday
$148
avg $148
Saturday
$103
avg $103
Cheapest
Price trend by month
November 2026
from $103
avg $109
2 flights
December 2026
from $90
avg $122
4 flights
Airlines — cheapest prices 5
Frontier Airlines
Frontier Airlines
Low-cost 7 flights · 6 days
$90
Southwest Airlines
Southwest Airlines
Low-cost 5 flights · 4 days
$148
United Airlines
United Airlines
1 flights · 1 days
$163
Alaska Airlines
Alaska Airlines
1 flights · 1 days
$183
American Airlines
American Airlines
1 flights · 1 days
$195
Where to buy tickets 7
Flightnetwork
1 tickets · 1 days
from $90
Gotogate
1 tickets · 1 days
from $98
Trip.com
3 tickets · 2 days
from $103
Clickavia
5 tickets · 4 days
from $114
Farera
3 tickets · 3 days
from $148
Tickets
1 tickets · 1 days
from $195
Kupi.com
1 tickets · 1 days
from $224
Airports

From — Chicago (2)

  • MDW Chicago Midway International Airport
  • ORD O'Hare International Airport

To — San Francisco (1)

  • SFO San Francisco International Airport
Other destinations from Chicago
Las Vegas
US · Hub
Denver
US · Hub
Nashville
US
Fort Lauderdale
US
Minneapolis
US · Hub
St Louis
US
Atlanta
US · Hub
Philadelphia
US · Hub
Tampa
US
Baltimore
US
Phoenix
US
New Orleans
US
Frequently asked questions about the route Chicago — San Francisco
How long is the flight from Chicago to San Francisco?
Approximate flight time — 4h 1m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Chicago to San Francisco?
The straight-line distance — 2 985 km.
How much do flights from Chicago to San Francisco cost?
The minimum price over 3 months — from $90 on 03.12.2026.
What is the average ticket price?
The average price — $111. Range: $90 — $163.
What is the time difference between Chicago and San Francisco?
The difference — -2h.
From which airports does Chicago operate flights?
From Chicago: MDW (Chicago Midway International Airport), ORD (O'Hare International Airport).
To which airports in San Francisco do flights arrive?
To San Francisco: SFO (San Francisco International Airport).
Which airlines fly this route?
This route is served by 5 airlines: Frontier Airlines, Southwest Airlines, United Airlines, Alaska Airlines, American Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $148. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Chicago — San Francisco

Flights Chicago — San Francisco is a popular route. The straight-line distance is 2 985 km. Flight time 4h 1m. Time difference -2h.

From Chicago (CHI) flights depart from 2 airports: MDW, ORD. To San Francisco (SFO) — 1 arrival airport: SFO.

5 airlines operate on this route: Frontier Airlines, Southwest Airlines, United Airlines, Alaska Airlines, American Airlines.

The minimum price for the next 3 months — from $90 (03.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $111, ranging from $90 to $163. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Saturday.

Other destinations in United States from Chicago
Denver
US
Las Vegas
US
Nashville
US
Fort Lauderdale
US
Minneapolis
US
St Louis
US
Atlanta
US
Philadelphia
US

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