Which airlines fly direct between Chicago and San Francisco?

Airlines operating direct flights include United Airlines, American Airlines, Alaska Airlines.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $159 depending on season and advance booking.

Home FlightsChicago to San Francisco

Verified Route Guide

Flights from Chicago to San Francisco

Q: How long is the flight from Chicago to San Francisco?

The average nonstop flight time from Chicago (ORD) to San Francisco (SFO) is approximately 4h 25m covering a distance of 2964 km.

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

Fares From$159

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Flight Time

4h 25m

Nonstop average

Distance

2964 km

Air route corridor

Best Time to Fly

Year-Round (Best rates booked 3-5 weeks ahead)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Chicago to San Francisco

Cheap flights from Chicago (ORD) to San Francisco (SFO). Compare United Airlines fares from $159 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between O'Hare International and San Francisco International, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

United Airlines

American Airlines

Alaska Airlines

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Chicago (ORD) to San Francisco (SFO)
Flight Distance	2,964 kilometers / 1,842 miles
Average Flight Duration	4h 25m (nonstop)
Starting Fare	From $159 (0% added booking fees)
Operating Airlines	United Airlines, American Airlines, Alaska Airlines
Optimal Travel Season	Year-Round (Best rates booked 3-5 weeks ahead)

Return Flight Route

San Francisco (SFO) to Chicago (ORD)

Nonstop return tickets from $159 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Chicago to San Francisco?

The nonstop flight takes approximately 4h 25m, traversing 2964 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.