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Find cheap United Airlines flights to San Diego

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

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

Wed 12/88:00 a.m.
YYC
-
SAN
1 stop10h 00m
United Airlines
Sun 16/86:20 a.m.
SAN
-
YYC
1 stop5h 10m
United Airlines
Deal found 27/7C$ 438
Sun 30/88:00 a.m.
YYC
-
SAN
1 stop15h 27m
United Airlines
Fri 4/96:30 a.m.
SAN
-
YYC
1 stop11h 00m
United Airlines
Deal found 24/7C$ 545
Tue 11/83:17 p.m.
YEG
-
SAN
1 stop6h 17m
United Airlines
Sat 15/86:30 a.m.
SAN
-
YEG
1 stop6h 38m
United Airlines
Deal found 23/7C$ 589

Flights to San Diego with United Airlines at a glance

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

Popular in

March

Cheapest in

January

Average price

C$ 615

Round-trip from

C$ 438

One-way from

C$ 187

Good round-trip deal

C$ 639 or less
Highest demand for flights to San Diego with United Airlines; 5% potential price increase.
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Best time to find cheap flights to San Diego with United Airlines; 2% potential price drop.
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Average price for flights to San Diego with United Airlines (round-trip).
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United Airlines
  • United Airlines
  • 12/8-16/8
  • 2 total stops
  • 15h 10m total
  • Canada to San Diego
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United Airlines
  • United Airlines
  • 28/8
  • 2 total stops
  • 17h 44m total
  • Canada to San Diego
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Price to beat on a round-trip flight from Canada to San Diego with United Airlines.
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Cheapflights Insights

Find cheap United Airlines flights to San Diego

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

On average, United Airlines flights from Canada to San Diego take 4 hours 35 minutes. Flights to San Diego 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 Diego

The most flights to San Diego operated by United Airlines are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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

The best time to book a flight to San Diego with United Airlines is 48 days before departure. On average, fares are higher if you book 3 days before departure.

FAQs about flights to San Diego with United Airlines

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

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

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

    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 Diego tends to be with American Airlines.

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

    Air Canada, WestJet and Delta all fly to San Diego and offer an alternative to United Airlines.

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

    The average price for a round-trip with United Airlines is C$ 621, while a one-way flight costs around C$ 380.

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Reviews of United Airlines

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United Airlines
7.4
Good
10,000 reviews
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Overview

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

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