Popular in | December |
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Cheapest in | August |
Round-trip from | $288 |
One-way from | $135 |
Find a great deal and save up to 64% by booking at least 22 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 $185.
The best pricing can be found in the month of July. Prices to San Diego from Ontario average $207. You can even find prices in July for less than $207, as users have found deals to San Diego from as low as $138. The month of June 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 19%.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to San Diego as you normally would.
Fly from
Fly to
Budget
$112 - $382
Route
Depart
Return
Price
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
dom 4/7
1 stop25h 46m
San Diego
sex 4/12
1 stop14h 56m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
qua 4/24
1 stop7h 42m
San Diego
qua 5/1
1 stop9h 36m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
ter 4/23
1 stop7h 25m
San Diego
qua 5/1
1 stop10h 20m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
ter 4/23
1 stop7h 25m
San Diego
qua 5/1
2 stops8h 30m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
qua 4/24
1 stop6h 20m
San Diego
qua 5/1
2 stops8h 30m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
dom 5/19
1 stop5h 44m
San Diego
dom 5/26
1 stop13h 16m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
sex 4/26
1 stop12h 51m
San Diego
sex 5/3
1 stop9h 59m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
sáb 4/20
1 stop7h 34m
San Diego
qua 4/24
1 stop5h 44m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
sáb 4/27
1 stop6h 40m
San Diego
sáb 5/4
1 stop9h 50m
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 June is currently the most expensive (average of $376). 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
$325
May
$328
June
$376
July
$368
August
$313
September
$300
October
$288
November
$334
December
$305
SAN Temperature | 57.2 - 71.6 °F |
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Food
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Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Food
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Food
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Boarding
Crew
Overall
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Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
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.
Yes, you can often find last-minute deals on Ontario to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.
Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.