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United Airlines flights from Toronto to San Diego (YTO - SAN)

YTO — SAN
21 Aug — 28 Aug1
1 adult
1 adult, Economy, 0 bags

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Cheapest United Airlines flights from Toronto to San Diego
Explore the most affordable United Airlines flight options available from Toronto to San Diego. Find the lowest fares with prices last updated on 22 July 2026.

Tue 18/82:30 p.m.
YYZ
-
SAN
1 stop8h 59m
United Airlines
Tue 18/810:40 p.m.
SAN
-
YYZ
1 stop8h 14m
United Airlines
Deal found 17/7C$ 728
Sat 22/81:00 p.m.
YYZ
-
SAN
2 stops9h 55m
United Airlines
Tue 25/811:00 a.m.
SAN
-
YYZ
2 stops9h 59m
United Airlines
Deal found 17/7C$ 735
Sat 22/81:00 p.m.
YYZ
-
SAN
2 stops9h 55m
United Airlines
Sat 29/811:00 a.m.
SAN
-
YYZ
2 stops9h 54m
United Airlines
Deal found 19/7C$ 737

  • How do most travelers feel about United Airlines?

    The average rating from 10,020 United Airlines reviews by Cheapflights users is 7.4 (out of a maximum rating of 10). If you are considering flying YTO-SAN with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to San Diego with United Airlines.

  • Can I get a flight from Toronto to San Diego on United Airlines for under C$ 845?

    Cheapflights users have found 14 United Airlines flights for under C$ 845 on the YTO-SAN route. Prices on flights to San Diego from Toronto can vary based on many factors including dates. To look at price based on your preferred dates, click here.

United Airlines flights from Toronto to San Diego in 2026

Find detailed information about United Airlines flights from Toronto to San Diego. Explore the options provided by United Airlines to plan your journey from Toronto to San Diego. Data last updated 22 July 2026.

One-way from

C$ 408

Round-trip from

C$ 728

Popular in

March

Cheapest in

April

Average price (all airlines)

C$ 721
United Airlines
  • United Airlines
  • 23/11
  • 2 total stops
  • 11h 09m total
  • Toronto to San Diego
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United Airlines
  • United Airlines
  • 12/1-12/1
  • 4 total stops
  • 20h 43m total
  • Toronto to San Diego
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Highest demand for flights from Toronto to San Diego; 2% potential price increase.
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Best time to find cheap flights from Toronto to San Diego; 2% potential price drop.
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Average price for all Toronto to San Diego flights (one-way and round-trip).
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Which month is the cheapest to fly Economy Class from Toronto to San Diego?

For Economy Class flights, the cheapest month to fly this route is January. The most expensive months are May and March.

Weekly United Airlines flight availability from Toronto to San Diego

The most United Airlines flights from YTO to SAN are scheduled on a Monday (2 on average). You will have fewer United Airlines flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 66 days before departure. On average, fares are higher if you book 7 days before departure.

Best time to book a flight from Toronto to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Toronto to San Diego on another airline

Consider alternative airlines that service the San Diego area. Flight routes are based on user searches made on Cheapflights and were last updated on 22 July 2026.
Air Canada flights from Toronto to San Diego

See what others are saying about United Airlines

Read reviews and see what other travellers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated 22 July 2026.
United Airlines
7.4
Good
10,000 reviews
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Overview

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

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