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

YTO — SAN
23 Apr — 30 Apr1
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 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 24 March 2026.

One-way from

C$ 294

Round-trip from

C$ 497

Popular in

December

Cheapest in

April

Average price (all airlines)

C$ 498
United Airlines
  • United Airlines
  • 18/4
  • 2 total stops
  • 12h 54m total
  • Toronto to San Diego
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United Airlines
  • United Airlines
  • 1/5-1/5
  • 2 total stops
  • 23h 14m total
  • Toronto to San Diego
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Highest demand for flights from Toronto to San Diego; 11% 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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  • How do most travelers feel about United Airlines?

    The average rating from 9,469 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$ 549?

    Cheapflights users have found 20 United Airlines flights for under C$ 549 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.

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 24 March 2026.

Mon 20/41:00 p.m.
YYZ
-
SAN
2 stops10h 12m
United Airlines
Mon 27/410:30 p.m.
SAN
-
YYZ
1 stop8h 24m
United Airlines
Deal found 21/3C$ 505
Tue 14/41:00 p.m.
YYZ
-
SAN
2 stops10h 12m
United Airlines
Sun 19/410:30 p.m.
SAN
-
YYZ
1 stop10h 19m
United Airlines
Deal found 20/3C$ 531
Sat 18/410:45 a.m.
YYZ
-
SAN
2 stops16h 14m
United Airlines
Sun 26/46:15 a.m.
SAN
-
YYZ
1 stop13h 21m
United Airlines
Deal found 19/3C$ 532

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 January will be the most expensive, with an average cost of C$ 401. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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 24 March 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 24 March 2026.
United Airlines
7.4
Good
9,469 reviews
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Overview

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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