Cheap flights from Ontario to San Diego

Round-trip
Economy
Boston (BOS)
San Diego (SAN)
Depart
Return
Any month
Compare vs. Cheapflights |

How to find the cheapest flight from
Ontario to San Diego (SAN)

All the information you need to plan the best null to SAN flight in 2021: compare Ontario to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
How far in advance should I book a flight from Ontario to San Diego?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 13 days in advance, which can save you up to 0% on flights from Ontario to San Diego compared to booking the week you need them. Waiting 13 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 496. For sooner than that we have options available in the next 3 days from C$ 500.

What is the cheapest month to fly from Ontario to San Diego?

Flights from Ontario to San Diego lean towards being more expensive in December. Prices are generally better when you fly from Ontario to San Diego in April, with the cheapest ticket starting at C$ 368.

Cheap flights from Ontario to San Diego in August, September 2021

The best prices found for Ontario to SAN flights for August, September
10 Sep - 13 Sep
C$ 446pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
28 Sep - 13 Oct
C$ 448pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
9 Sep - 13 Sep
C$ 453pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Ontario to San Diego 2021 flight deals

Cheap flights to San Diego from Ontario found for this year
10 Sep - 13 Sep
C$ 446pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
3 Nov - 7 Nov
C$ 447pp
YYZ
Toronto Pearson Intl
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
16 Oct - 13 Nov
C$ 448pp
YYZ
Toronto Pearson Intl
Delta
   
2 STOPS
SAN
San Diego
SAN
San Diego
Delta
   
2 STOPS
YYZ
Toronto Pearson Intl

Direct flights to San Diego from Ontario

Save time with Ontario to San Diego direct flight deals
6 Oct - 16 Oct
C$ 564pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
SAN
San Diego
SAN
San Diego
Air Canada
Direct
YYZ
Toronto Pearson Intl
3 Nov - 7 Nov
C$ 570pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
SAN
San Diego
SAN
San Diego
Air Canada
Direct
YYZ
Toronto Pearson Intl
18 Oct - 14 Nov
C$ 610pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
SAN
San Diego
SAN
San Diego
Air Canada
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Ontario to San Diego

Late deals on round-trip flights to San Diego from Ontario, departing today and this week
9 Aug - 17 Aug
C$ 689pp
YYZ
Toronto Pearson Intl
United Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
12 Aug - 17 Aug
C$ 700pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SAN
San Diego
SAN
San Diego
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
13 Aug - 17 Aug
C$ 708pp
YYZ
Toronto Pearson Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

One-way flights to San Diego from Ontario

The cheapest one-way flights from Ontario to San Diego
11:50 a.m. - 6:49 p.m.
Delta
1 stop
9h 59m
YYZ - SAN
Delta
C$ 256
Delta
6:45 a.m. - 4:44 p.m.
Alaska Airlines
2 stops
12h 59m
YYZ - SAN
Alaska Airlines
C$ 294
Alaska Airlines
2:15 a.m. - 2:10 p.m.
Multiple Airlines
2 stops
38h 55m
YHM - SAN
Multiple Airlines
C$ 340
FlightNetwork

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Ontario to San Diego

What airport do you fly into for flights to San Diego from Ontario?

San Diego (SAN), located 4.2 km from the city centre, is the airport you fly into when you book flights from Ontario to San Diego.

Which airlines flying from Ontario to San Diego have flexible cancellations due to COVID-19?

Air Canada, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ontario to San Diego for under C$ 501 on Cheapflights?

Yes, there are multiple flights from Ontario to San Diego for under C$ 501. The cheapest flight booked recently is on American Airlines for just C$ 445, but on average you can expect to pay C$ 473.

Are there direct flights from Ontario to San Diego for under C$ 626 on Cheapflights?

Cheapflights has 15 direct flights from Ontario to San Diego under C$ 626. A good price for a direct flight from Ontario to San Diego is less than C$ 689.

Are there last-minute flights available from Ontario to San Diego for under C$ 752?

There are currently 20+ open flights from Ontario to San Diego within the next 7 days for less than C$ 752.

What are the most popular airlines that fly from Ontario to San Diego?

American Airlines, Air Canada and Delta are the most popular airlines when flying from Ontario to San Diego.

What are the most popular routes from Ontario to San Diego?

When deciding which route to take from Ontario to San Diego consider Toronto Pearson Intl - San Diego, Ottawa - San Diego or Toronto Island - San Diego as they are the most popular.

What are the cheapest flights from Ontario to San Diego?

The cheapest flight price from Ontario to San Diego is C$ 215. On average you can expect to pay C$ 873. The most popular route, (Toronto Pearson Intl - San Diego), can usually be booked for C$ 448.

How long is the flight from Ontario to San Diego?

There are many flights that can get you from Ontario to San Diego in 7h 55m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Ontario to San Diego round-trip?

Our cheapest airline available from Ontario to San Diego is American Airlines. Our recent data shows that you can find tickets from as low as C$ 445 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at C$ 458 and C$ 471 round-trip.

What are the cheapest airlines to fly from Ontario to San Diego one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 254. American Airlines flights start at C$ 259 while deals on Air Canada start at C$ 286 one-way.

Related searches

Flights to San Diego from Ontario
Flights to Ontario Flights to San Diego

Rent a Car

Car Rentals in San Diego Car Rentals in USA

Departure points for flights from Ontario to San Diego

Select to see more specific information for flights to San Diego from all departure points in Ontario.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Ontario to San Diego.
Today's exchange rate
C$ 1 = $0.80
Average temperature for August in San Diego
27.0 °C
Avg rainfall for August in San Diego
1.0 mm

Airports servicing

Chatham-Kent (XCM)
Fort Frances (YAG)
Sault Ste Marie (YAM)
Attawapiskat (YAT)
Fort Albany (YFA)
Kingston, Ontario (YGK)

Airports servicing San Diego

Top 5 airlines flying from Ontario to San Diego

The chart below displays the airlines Cheapflights users travelling from Ontario to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
C$ 163 C$ 397 No cancel fee 71%
Search American Airlines flights
United Airlines
C$ 209 C$ 469 No cancel fee 69%
Search United Airlines flights
Delta
C$ 241 C$ 492 No cancel fee N/A
Search Delta flights
Air Canada
C$ 212 C$ 552 No cancel fee 67%
Search Air Canada flights
WestJet
C$ 160 C$ 606 No cancel fee 60%
Search WestJet flights
Home North America USA California San Diego Cheap flights from Ontario to San Diego
  • Round-trip
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First