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Nonstop flights from Chicago to San Francisco from $297 MDW, ORD, RFD → SFO

Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD) → San Francisco International Airport (SFO)

The cheapest nonstop return found recently is $297 with American Airlines, 5 Jan 2027 – 12 Jan 2027, found 2 days ago.

Nonstop return

The cheapest nonstop return fare on each of 9 departure dates is usually $345 to $400.

Cheapest nonstop return

$297

5 Jan 2027 – 12 Jan 2027 · American Airlines

O'Hare International Airport (ORD) → San Francisco International Airport (SFO)

Leaves 9:01 p.m. · Return leaves 9:55 p.m. · 9 h 35 min of travel, both ways together

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Southwest Airlines (9 departure dates), American Airlines (7 departure dates), United Airlines (7 departure dates).

On the 19 trips where we hold both on the same dates, nonstop cost a median $59 (20.7%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 2 of those 19 trips.

Every nonstop date we hold

Nonstop fares on 9 of the 10 departure dates we hold for this route.

22 Nov – 26 Nov: $523, found 4 days ago3 Dec – 5 Dec: $318, found 7 days ago22 Dec – 26 Dec: $379, found 6 days ago25 Dec – 30 Dec: $345, found yesterday5 Jan 2027 – 12 Jan 2027: $297, found 2 days ago21 Jan 2027 – 24 Jan 2027: $386, found 3 days ago14 Apr 2027 – 17 Apr 2027: $390, found 6 days ago15 Apr 2027 – 17 Apr 2027: $400, found 2 days ago16 Apr 2027 – 18 Apr 2027: $510, found 7 days agoNovDecJanApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Nov – 26 Nov$523Southwest AirlinesChicago Midway International Airport (MDW) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 4 days agoSee prices for these dates
3 Dec – 5 Dec$318Southwest AirlinesChicago Midway International Airport (MDW) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 7 days agoSee prices for these dates
22 Dec – 26 Dec$379Southwest AirlinesChicago Midway International Airport (MDW) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 6 days agoSee prices for these dates
25 Dec – 30 Dec$345United AirlinesO'Hare International Airport (ORD) → San Francisco International Airport (SFO)out nonstop, back nonstopfound yesterdaySee prices for these dates
5 Jan 2027 – 12 Jan 2027$297American AirlinesO'Hare International Airport (ORD) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
21 Jan 2027 – 24 Jan 2027$386American AirlinesO'Hare International Airport (ORD) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 3 days agoSee prices for these dates
14 Apr 2027 – 17 Apr 2027$390American AirlinesO'Hare International Airport (ORD) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 6 days agoSee prices for these dates
15 Apr 2027 – 17 Apr 2027$400American AirlinesO'Hare International Airport (ORD) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Apr 2027 – 18 Apr 2027$510Southwest AirlinesChicago Midway International Airport (MDW) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 7 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work