Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to San Diego from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Diego departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ontario to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to San Diego.

Cheap last minute flights

Planning a quick getaway from Ontario to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to San Diego

Find recent round-trip train or bus tickets from Ontario to San Diego.

All round-trip flight deals to San Diego

The cheapest plane tickets to San Diego found on KAYAK recently.
2:15 pm - 7:18 pmYTZ-SAN
32h 03m2 stops
8:08 pm - 8:05 pmSAN-YTZ
20h 57m2 stops
Sat, Feb 15 - Mon, Feb 17
2:15 pm - 7:18 pmYTZ-SAN
32h 03m2 stops
8:08 pm - 8:05 pmSAN-YTZ
20h 57m2 stops
Sat, Feb 15 - Mon, Feb 17
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
$209Porter Airlines
Find Deal
Wed, Jan 29 - Wed, Feb 12
6:10 am - 9:03 pmYYZ-SAN
17h 53m1 stop
9:29 am - 10:43 pmSAN-YYZ
10h 14m1 stop
$214Alaska Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
5:10 pm - 8:38 amYYZ-SAN
18h 28m1 stop
6:15 am - 4:15 pmSAN-YYZ
7h 00m1 stop
$221Alaska Airlines
Find Deal
Sun, Jan 26 - Tue, Jan 28
2:45 pm - 9:10 pmYYZ-SAN
9h 25m1 stop
10:10 pm - 12:30 pmSAN-YYZ
11h 20m1 stop
$228United Airlines
Find Deal
Sat, Jan 25 - Thu, Jan 30
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
$240Porter Airlines
Find Deal
Mon, Feb 3 - Fri, Feb 7
12:20 pm - 7:51 pmYYZ-SAN
10h 31m2 stops
7:00 am - 7:45 pmSAN-YYZ
9h 45m1 stop
$256United Airlines
Find Deal
Wed, Jan 29 - Mon, Feb 3
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$263Lufthansa
Find Deal
Sat, Jan 18 - Mon, Jan 27
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$264Lufthansa
Find Deal
Sat, Jan 18 - Mon, Jan 27
4:10 pm - 12:05 pmYTZ-SAN
22h 55m2 stops
Mon, Feb 10
7:25 pm - 12:05 pmYYZ-SAN
19h 40m1 stop
Mon, Feb 3
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
$137Porter Airlines
Find Deal
Mon, Feb 3
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
$144Porter Airlines
Find Deal
Wed, Apr 23
3:25 pm - 9:43 pmYXU-SAN
9h 18m1 stop
$160United Airlines
Find Deal
Fri, Feb 28
9:55 am - 8:18 pmYXU-SAN
13h 23m3 stops
$166United Airlines
Find Deal
Fri, Feb 28
4:30 pm - 11:59 pmYYZ-SAN
10h 29m1 stop
$167Alaska Airlines
Find Deal
Thu, Apr 17
2:20 pm - 9:05 pmYUL-SAN
9h 45m1 stop
$168American Airlines
Find Deal
Fri, Jan 24
7:14 am - 7:16 pmYUL-SAN
15h 02m1 stop
$189American Airlines
Find Deal
Wed, Jan 15
4:30 pm - 11:59 pmYYZ-SAN
10h 29m2 stops
$201Alaska Airlines
Find Deal
Thu, Apr 17
10:40 pm - 8:58 amYYZ-SAN
37h 18m2 stops
6:15 am - 9:45 pmSAN-YYZ
12h 30m1 stop
Fri, Jan 10 - Tue, Jan 28
10:40 pm - 8:58 amYYZ-SAN
37h 18m2 stops
5:01 pm - 5:55 amSAN-YYZ
9h 54m1 stop
Fri, Jan 10 - Mon, Jan 20
6:30 am - 11:45 amYOW-SAN
32h 15m2 stops
12:35 pm - 5:33 amSAN-YOW
13h 58m2 stops
$500WestJet
Find Deal
Fri, Jan 10 - Wed, Jan 22
5:45 pm - 11:45 amYOW-SAN
21h 00m1 stop
12:35 pm - 12:45 amSAN-YOW
9h 10m1 stop
$550WestJet
Find Deal
Fri, Jan 10 - Wed, Jan 22
4:20 pm - 7:40 amYYZ-SAN
18h 20m2 stops
6:52 pm - 3:05 pmSAN-YYZ
17h 13m1 stop
$590Alaska Airlines
Find Deal
Tue, Jan 7 - Fri, Feb 7
4:20 pm - 7:40 amYYZ-SAN
18h 20m2 stops
4:20 pm - 3:05 pmSAN-YYZ
19h 45m2 stops
$595Alaska Airlines
Find Deal
Tue, Jan 7 - Fri, Feb 7
7:30 am - 3:22 pmYUL-SAN
10h 52m2 stops
3:01 pm - 1:35 pmSAN-YUL
19h 34m2 stops
$595American Airlines
Find Deal
Wed, Jan 8 - Sat, Jan 18
7:30 am - 6:32 pmYUL-SAN
14h 02m2 stops
8:30 am - 10:45 pmSAN-YUL
11h 15m2 stops
$609American Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 22
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
$647Porter Airlines
Find Deal
Wed, Jan 8 - Fri, Feb 7
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
$648Porter Airlines
Find Deal
Wed, Jan 8 - Fri, Feb 7
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
$209Porter Airlines
Find Deal
Wed, Jan 29 - Wed, Feb 12
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
$229Porter Airlines
Find Deal
Wed, Feb 26 - Wed, Mar 5
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$255Air Canada
Find Deal
Tue, Feb 4 - Tue, Feb 11
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
Wed, Jan 29 - Sun, Feb 2
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$263Lufthansa
Find Deal
Sat, Jan 18 - Mon, Jan 27
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$264Lufthansa
Find Deal
Sat, Jan 18 - Mon, Jan 27
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$267Air Canada
Find Deal
Sat, Jan 18 - Mon, Jan 27
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$273United Airlines
Find Deal
Sat, Jan 18 - Mon, Jan 27
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
$385United Airlines
Find Deal
Sun, Jan 19 - Sun, Jan 26
9:30 am - 11:53 amYYZ-SAN
5h 23mnonstop
12:55 pm - 8:48 pmSAN-YYZ
4h 53mnonstop
Thu, May 8 - Sun, May 11

Porter Airlines flights from Region of Ontario to San Diego

Our best Porter Airlines deals on Region of Ontario to San Diego flight tickets
Porter Airlines
Jan 29
YYZ10:20 amToronto Pearson Intl
5h 45m
SAN1:05 pmSan Diego
Feb 12
SAN2:05 pmSan Diego
4h 45m
YYZ9:50 pmToronto Pearson Intl
Porter Airlines
Jan 19
YYZ10:20 amToronto Pearson Intl
5h 45m
SAN1:05 pmSan Diego
Jan 26
SAN2:05 pmSan Diego
4h 45m
YYZ9:50 pmToronto Pearson Intl
Porter Airlines
Jan 19
YYZ10:20 amToronto Pearson Intl
5h 45m
SAN1:05 pmSan Diego
Jan 26
SAN2:05 pmSan Diego
4h 45m
YYZ9:50 pmToronto Pearson Intl

United Airlines flights from Region of Ontario to San Diego

Our best United Airlines deals on Region of Ontario to San Diego flight tickets
United Airlines
Jan 25
YYZ2:45 pmToronto Pearson Intl
9h 25m
1 stop
SAN9:10 pmSan Diego
Jan 30
SAN10:10 pmSan Diego
11h 20m
1 stop
YYZ12:30 pmToronto Pearson Intl
United Airlines
Jan 29
YYZ12:20 pmToronto Pearson Intl
10h 31m
2 stops
SAN7:51 pmSan Diego
Feb 3
SAN7:00 amSan Diego
9h 45m
1 stop
YYZ7:45 pmToronto Pearson Intl
United Airlines
Jan 22
YYZ9:25 amToronto Pearson Intl
5h 38m
SAN12:03 pmSan Diego
Jan 28
SAN11:25 amSan Diego
8h 24m
1 stop
YYZ10:49 pmToronto Pearson Intl

See travel insights to San Diego from

How to get the cheapest flight ticket from Region of Ontario to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Region of Ontario during the month February is also very affordable. Most momondo users find prices during this month for around $413.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Region of Ontario to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $508. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $594. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $460. Flights at noon are often more expensive with an average ticket price of $582.

What is the cheapest Ontario to San Diego flight route?

Fly from Toronto Pearson Intl to San Diego for the best Ontario - San Diego flight prices

How far in advance should I book a flight to San Diego?

Most flyers found that booking tickets 34 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $462. However, in the past 72 hours, people saw flights from Region of Ontario for as low as $254.

What cabin class options are available on Ontario to San Diego flights?

There are 3 cabin classes available to choose from on Ontario to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to San Diego flights?

You could potentially save up to 13% on your flight if you consider stops on a Region of Ontario to San Diego flight.

Cheap Region of Ontario to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Diego

Best Price Found

$119

Fastest flight time

5h 10m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Region of Ontario in the past 72 hours is $119. The best round-trip flight deal from Region of Ontario to San Diego found on momondo in the last 72 hours is $201.
The fastest flight from Region of Ontario to San Diego takes 5h 10m
Direct flights go from Region of Ontario to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • When did momondo last update prices for flights from Ontario to San Diego Airport?

    Prices for flights from Ontario to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from Ontario to San Diego Airport?

  • How old do you have to be to fly from Ontario to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Region of Ontario to San Diego?


Best airlines flying from Region of Ontario to San Diego

Compare and see reviews for airlines that fly from Region of Ontario to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $115Free CancellationRating
7.9
275 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $204Free CancellationRating
7.0
8,502 reviews
Search Air Canada flights
Air TransatPriceFrom $234Free CancellationRating
7.8
386 reviews
Search Air Transat flights
United AirlinesPriceFrom $262Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights
DeltaPriceFrom $291Free CancellationRating
8.0
8,517 reviews
Search Delta flights
American AirlinesPriceFrom $294Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to San Diego for you.

Can I find flights from Ontario to San Diego with flexible booking policies on momondo?

All flight searches from Ontario to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to San Diego?

Once all potential Ontario to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Ontario and alert you when they change.


An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 1/10
Fri 1/17
Email me momondo's favorite deals

Find better results for your trip to the United States