£79 Cheap American Airlines flights from Chicago to San Francisco (ORD→SFO)

View £79 flight on Wed, 18 Mar 2026Opens in a new window

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American Airlines flights from Chicago to San Francisco (ORD→SFO)

Prices were available within the past 7 days and start at £79 for one-way flights and £278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 8 Mar - Sun, 29 Mar
ORD
Chicago
SFO
San Francisco
£278 Return, found 3 days ago
£278
Return
found 3 days ago
Select American Airlines flight, departing Sun, 8 Mar from Chicago to San Francisco, returning Sun, 29 Mar, priced at £278 found 3 days ago

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city centre is 19 minutes. Flights from £323
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city centre19 min
Flights from £323

Find the cheapest month to fly from Chicago (ORD) to San Francisco (SFO)

September is typically the cheapest month to fly

From £98 - £294 per traveller.
Flight from Chicago to San Francisco route information
Origin airport
O'Hare Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, United
Popular airline
Alaska Airlines
Distance
2947 km
Average flight time
2 hours 58 mins

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Frequently asked questions

How much is an American Airlines flight from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
Finding cheap one-way American Airlines flights from ORD to SFO from £79 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from £278 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to SFO with American Airlines?
Browse for return or one-way flights to San Francisco in February or April. You could find cheaper fares with American Airlines during these off-season months.
Does American Airlines fly nonstop from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
Hop on one of American Airlines's 13 weekly direct flights from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO). To view available options, enter your dates, origin and destination and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from ORD to SFO with American Airlines?
Take off from O'Hare Intl. Airport (ORD) for San Francisco Intl. Airport (SFO) on a direct American Airlines flight, and you'll be in the air for approximately 4h 52m.
Which day of the week has the most American Airlines flights from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
If you're looking for flexibility, Thursday offers the most choice for American Airlines flights from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO). Take your pick of 2 different departures.
What airports does American Airlines fly into in San Francisco?
Most American Airlines flights from O'Hare Intl. Airport (ORD) to San Francisco land at San Francisco Intl. Airport (SFO). This is the airline's main gateway here. It's worth checking out Expedia for flights to nearby airports such as Norman Y. Mineta San Jose Intl. Airport (SJC), as fares may be cheaper.
What type of plane does American Airlines fly from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
For the O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO) route, American Airlines typically operates Boeing 737 MAX 8 and Boeing 737-800 planes. Remember that last-minute changes are possible for operational needs, meaning your flight may be on a different aircraft.
Can I change or cancel my American Airlines flight from O'Hare Intl. Airport (ORD) to San Francisco Intl. Airport (SFO)?
Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For further details about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, check the "Changes included" or "No cancel fee" filter when organising your next trip.

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