Cheap flights from Ontario to San Diego (ONT - SAN) from $159
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Cheap flight deals from Ontario to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2024.
Popular in | December |
|---|---|
Cheapest in | August |
Average price | $766 |
Round-trip from | $288 |
How far in advance should I book a flight from Ontario to San Diego?
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.
What is the cheapest month to fly from Ontario to San Diego?
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%.
When is the cheapest time to fly from Ontario to San Diego (ONT - SAN)?
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.
Cheap American Airlines flights from Ontario to San Diego
Explore cheap flight options specifically provided by American Airlines for the route between Ontario and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Peruse some of the lowest-priced American Airlines flights we've found from Ontario to San Diego. It's recommended that users confirm their flight details before booking.
Cheap Alaska Airlines flights from Ontario to San Diego
Explore cheap flight options specifically provided by Alaska Airlines for the route between Ontario and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Have a look at some of the cheapest available Alaska Airlines flights departing from Ontario and landing in San Diego. Deals are refreshing constantly so come back soon for more options.
Cheap Ontario to San Diego flights in April & May 2024
Find cheap flight options from Ontario to San Diego specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.
Scroll through some of the best deals on flights from Ontario to San Diego in 2024. Check back soon for alternative fares.
Ontario to San Diego 2024 flight deals
Discover exclusive flight deals for travel between Ontario and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Scroll through some of the best deals on flights from Ontario to San Diego in 2024. Check back soon for alternative fares.
Ontario to San Diego flights leaving soon
Find last-minute flight options from Ontario to San Diego for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Have a look at some of the last-minute flights available departing from Ontario to San Diego. To prevent any unwanted surprises, users should verify their flight info before booking.
One-way flights to San Diego from Ontario
Search for one-way flight options from Ontario to San Diego. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Users traveling one-way from Ontario to San Diego can select one of these great deals. Those seeking round-trip flights from Ontario to San Diego should utilize the search form at the the top of the page.
Find flights from Ontario to San Diego within your budget
Customize your flight search to find flights from Ontario to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
Fly from
Fly to
Budget
$324 - $507
Route
Depart
Return
Price
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Tue 5/21
1 stop26h 07m
San Diego
Tue 5/28
1 stop26h 59m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Sat 5/25
1 stop13h 40m
San Diego
Sat 6/1
1 stop10h 59m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Wed 6/5
1 stop10h 04m
San Diego
Wed 6/12
1 stop11h 52m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Tue 6/11
1 stop10h 04m
San Diego
Wed 6/12
1 stop11h 52m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Tue 7/16
1 stop10h 08m
San Diego
Wed 10/16
1 stop10h 08m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Sat 7/27
1 stop10h 10m
San Diego
Tue 7/30
1 stop9h 20m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Thu 5/23
1 stop9h 39m
San Diego
Sun 5/26
1 stop9h 11m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Wed 5/15
1 stop8h 40m
San Diego
Sat 5/18
1 stop10h 59m
OntarioSan Diego
ONT - SAN
ONTSAN
Ontario
Fri 5/17
1 stop16h 26m
San Diego
Fri 5/24
1 stop13h 05m
No data available for this route at this time. Please check back soon.
Average price of flights to San Diego by month
Plan your trip from Ontario to San Diego by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to San Diego is currently $199 while a round-trip flight costs $424. Price data was last updated on April 28, 2024.
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 $360). 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
$301
May
$304
June
$360
July
$359
August
$311
September
$298
October
$288
November
$335
December
$305
Temperature and rainfall in San Diego by month
Plan your trip to San Diego by taking into account the average temperature and rainfall totals by month.
SAN Temperature | 57.2 - 71.6 °F |
|---|
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated April 29, 2024.
Get a feel of what it's like to fly with American Airlines, Alaska Airlines and United Airlines from Ontario to San Diego by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.
Comfort
Boarding
Entertainment
Food
Overall
Crew
Reviews
We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.
Related info for your journey
Find useful and relevant information for your journey from Ontario to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to San DiegoSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Search flights from Ontario to San Diego by cabin class
Find flights from Ontario to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Weekly flight availability from Ontario to San Diego
Explore weekly flight availability from Ontario to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2024.
| Sunday | 0daily flights |
|---|---|
| Monday | 0daily flights |
| Tuesday | 0daily flights |
| Wednesday | 0daily flights |
| Thursday | 0daily flights |
| Friday | 0daily flights |
| Saturday | 1daily flight |
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Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to San Diego flexibly with Cheapflights today.
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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.