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Find cheap United Airlines flights to San Francisco

CMH — SFO
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

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Cheapest United Airlines flights from Canada to San Francisco
Explore the most affordable United Airlines flight options available from Canada to San Francisco. Find the lowest fares with prices last updated on 27 July 2026.

Fri 14/87:00 a.m.
YVR
-
SFO
Nonstop2h 28m
United Airlines
Sun 16/86:35 p.m.
SFO
-
YVR
Nonstop2h 24m
United Airlines
Deal found 22/7C$ 427
Thu 27/89:47 a.m.
YVR
-
SFO
Nonstop2h 24m
United Airlines
Mon 31/86:35 p.m.
SFO
-
YVR
Nonstop2h 24m
United Airlines
Deal found 27/7C$ 437
Tue 25/85:25 p.m.
YVR
-
SFO
Nonstop2h 24m
United Airlines
Tue 1/912:47 p.m.
SFO
-
YVR
1 stop10h 09m
United Airlines
Deal found 26/7C$ 449

Flights to San Francisco with United Airlines at a glance

Find detailed information about United Airlines flights from Canada to San Francisco. Explore the options provided by United Airlines to plan your journey from Canada to San Francisco. Data last updated 27 July 2026.

Popular in

July

Cheapest in

November

Average price

C$ 552

Round-trip from

C$ 362

One-way from

C$ 232

Good round-trip deal

C$ 803 or less

Good one-way deal

C$ 4,853 or less
Highest demand for flights to San Francisco with United Airlines; 15% potential price increase.
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Best time to find cheap flights to San Francisco with United Airlines; 2% potential price drop.
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Average price for flights to San Francisco with United Airlines (round-trip).
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United Airlines
  • United Airlines
  • 1/9-22/9
  • Nonstop
  • 5h 42m total
  • Canada to San Francisco
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United Airlines
  • United Airlines
  • 4/9
  • Nonstop
  • 2h 54m total
  • Canada to San Francisco
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Price to beat on a round-trip flight from Canada to San Francisco with United Airlines.
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Price to beat on a one-way flight from Canada to San Francisco with United Airlines.
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Cheapflights Insights

Find cheap United Airlines flights to San Francisco

How long is the flight to San Francisco with United Airlines?

On average, United Airlines flights from Canada to San Francisco take 4 hours 41 minutes. Flights to San Francisco from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

United Airlines weekly flight availability to San Francisco

The most flights to San Francisco operated by United Airlines are scheduled on a Sunday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

When is the best time to book a flight to San Francisco with United Airlines?

The best time to book a flight to San Francisco with United Airlines is 85 days before departure. On average, fares are higher if you book on the same day as departure.

When is the cheapest time to fly to San Francisco with United Airlines?

Users looking for the cheapest United Airlines fares to San Francisco should consider flying on Monday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.

FAQs about flights to San Francisco with United Airlines

  • Which airport do United Airlines flights arrive at when travelling to San Francisco?

    United Airlines flights on this route tend to land at San Francisco Airport.

  • Is United Airlines the cheapest airline for a flight to San Francisco?

    Flight prices will depend on factors like date, time, and cabin class, so it is worth comparing flights before booking. Based on Cheapflights data, the cheapest average round-trip price for flights to San Francisco tends to be with Flair Airlines.

  • Are there alternative airlines other than United Airlines that fly to San Francisco?

    Air Canada, Porter Airlines and WestJet all fly to San Francisco and offer an alternative to United Airlines.

  • How much is a flight to San Francisco with United Airlines?

    The average price for a round-trip with United Airlines is C$ 593, while a one-way flight costs around C$ 496.

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Reviews of United Airlines

See what Cheapflights users have to say about their United Airlines experience.
United Airlines
7.4
Good
10,000 reviews
Check prices
Overview

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

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