Round-trip from | $288 |
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One-way from | $165 |
Find a great deal and save up to 57% by booking at least 25 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to San Diego within the next two weeks, with the cheapest ticket starting at $178.
The best pricing can be found in the month of August. Prices to San Diego from Ontario average $211. You can even find prices in August for less than $211, as users have found deals to San Diego from as low as $138. The month of May appears to be one of the more expensive times to travel to San Diego from Ontario. Flying in the targeted month can save you up to 12%.
It’s typically best to fly out from Ontario to San Diego at noon. Doing so could potentially save you 41% on the flight price compared to flying in the morning, which is usually more expensive.
Fly from
Fly to
Budget
$362 - $855
Route
Depart
Return
Price
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
mar. 8/27
1 stop7h 16m
San Diego
mié. 9/4
1 stop9h 25m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
jue. 8/15
1 stop10h 10m
San Diego
vie. 8/16
1 stop9h 20m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
mar. 6/11
1 stop11h 54m
San Diego
mié. 6/12
1 stop11h 52m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
sáb. 6/15
1 stop17h 56m
San Diego
sáb. 6/22
1 stop15h 07m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
lun. 9/9
1 stop13h 59m
San Diego
dom. 9/15
1 stop15h 25m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
jue. 9/26
1 stop10h 14m
San Diego
lun. 9/30
1 stop8h 13m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
jue. 6/13
1 stop16h 49m
San Diego
jue. 6/20
1 stop16h 59m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
jue. 8/8
1 stop10h 10m
San Diego
lun. 8/12
1 stop9h 20m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
jue. 6/13
1 stop5h 14m
San Diego
jue. 6/20
1 stop6h 04m
No data available for this route at this time. Please check back soon.
Currently, October is the cheapest month in which you can book a flight from Ontario to San Diego (average of $288). Flying from Ontario to San Diego in July is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$292
February
$297
March
$339
April
$298
May
$297
June
$346
July
$356
August
$308
September
$298
October
$288
November
$337
December
$305
SAN Temperature | 57.2 - 71.6 °F |
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Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Sunday | 0daily flights |
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Monday | 0daily flights |
Tuesday | 0daily flights |
Wednesday | 0daily flights |
Thursday | 0daily flights |
Friday | 0daily flights |
Saturday | 1daily flight |
Cheapflights makes it easy to find Ontario to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from Ontario.
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to San Diego flexibly with Cheapflights today.
Not ready to book yet? You can track prices for flights from Ontario to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.