Chicago to San Francisco

MDWSFO

Fly from Chicago to San Francisco starting at USD 112 with Frontier Airlines.Best fare available on May 30, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to San Francisco cheapest flights this week

30 May
Frontier Airlines
15:07MDW
01:04SFO
1 Stop$112VIEW DEAL
29 Jun
Frontier Airlines
12:04MDW
21:26SFO
1 Stop$158VIEW DEAL
1 Jul
Southwest Airlines
21:30MDW
02:10SFO
Direct$177VIEW DEAL
5 Aug
Southwest Airlines
20:30MDW
01:05SFO
Direct$170VIEW DEAL
7 Aug
Southwest Airlines
21:30MDW
02:05SFO
Direct$200VIEW DEAL

Chicago to San Francisco monthly flight fare trend

May
from USD 105
Jun
from USD 158
Jul
from USD 177
Aug
from USD 170
Sep
No flights
Oct
No flights

Airport Details

Origin

Chicago

Chicago Midway International Airport (MDW)

Chicago, MDW
Zone

Chicago

Elev

620 ft

Destination

San Francisco

San Francisco International Airport (SFO)

San Francisco, SFO
Zone

Los Angeles

Elev

13 ft

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