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

YTO — SAN
26 Jan — 2 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Toronto to San Diego on United Airlines typically fly into San Diego and depart from Toronto Pearson Intl. Select your dates above for pricing.

United Airlines flights from Toronto to San Diego in 2025

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 27 December 2025.

One-way from

C$ 396

Round-trip from

C$ 443

Popular in

December

Cheapest in

April

Average price (all airlines)

C$ 697
United Airlines
  • United Airlines
  • 2/1
  • 2 total stops
  • 14h 27m total
  • Toronto to San Diego
United Airlines
  • United Airlines
  • 7/1-13/1
  • 2 total stops
  • 15h 24m total
  • Toronto to San Diego
Highest demand for flights from Toronto to San Diego; 13% potential price increase.
Best time to find cheap flights from Toronto to San Diego; 4% potential price drop.
Average price for all Toronto to San Diego flights (one-way and round-trip).
  • Can I get a flight from Toronto to San Diego on United Airlines for under C$ 820?

    Cheapflights users have found 4 United Airlines flights for under C$ 820 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.

  • How do most travelers feel about United Airlines?

    The average rating from 9,113 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.

Find United Airlines flight deals from Toronto to San Diego

Enter your travel dates to find the best prices.

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 27 December 2025.

Wed 7/16:50 a.m.YYZ - SAN
1 stop7h 58mUnited Airlines
Tue 13/112:11 p.m.SAN - YYZ
1 stop7h 26mUnited Airlines
Deal found 26/12C$ 443
Thu 15/16:10 a.m.YYZ - SAN
2 stops20h 32mUnited Airlines
Sun 18/16:30 a.m.SAN - YYZ
2 stops14h 16mUnited Airlines
Deal found 25/12C$ 444
Wed 7/110:00 a.m.YYZ - SAN
2 stops13h 42mUnited Airlines
Sun 11/110:40 p.m.SAN - YYZ
1 stop10h 08mUnited Airlines
Deal found 27/12C$ 455

Travel insights for United Airlines flights from Toronto to San Diego

Get recent, data-driven insights about United Airlines flights from Toronto to San Diego including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Toronto to San Diego with United Airlines?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to San Diego. Price data was last updated on 26 December 2025.

Booking with United Airlines 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Toronto to San Diego with United Airlines?

Currently, the most affordable month to book a United Airlines flight from Toronto to San Diego in May, with an average price of C$ 182. Conversely, traveling with United Airlines from Toronto to San Diego in December will be the most expensive, with an average cost of C$ 441. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly United Airlines flight availability from Toronto to San Diego

The most United Airlines flights from YTO to SAN are scheduled on a Monday (1 on average). You will have fewer United Airlines flight options on Monday, 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).

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.

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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 27 December 2025.

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 27 December 2025.
United Airlines
7.4
Good
9,113 reviews
Overview

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

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