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Latest Flight Deals from Ontario to San Diego
Book one-way or return flights from Ontario to San Diego from as little as NZD 64. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- ONT12:393h 47m1 stopSAN16:26Tue, May 14|Ontario - San Diego|Frontier AirlinesNZD 64NZD 12348% OFF48% OFFNZD 123NZD 64
- ONT07:5812h 34m1 stopSAN20:32Wed, May 8|Ontario - San Diego|Frontier AirlinesNZD 65NZD 12347% OFF47% OFFNZD 123NZD 65
- ONT12:393h 47m1 stopSAN16:26Tue, May 7|Ontario - San Diego|Frontier AirlinesNZD 73NZD 12341% OFF41% OFFNZD 123NZD 73
- ONT13:265h 53m1 stopSAN19:19Thu, May 23|Ontario - San Diego|Frontier AirlinesNZD 75NZD 75
- ONT14:254h 59m1 stopSAN19:24Wed, Jun 12|Ontario - San Diego|Frontier AirlinesNZD 78NZD 78
- ONT14:294h 55m1 stopSAN19:24Sat, Jun 8|Ontario - San Diego|Frontier AirlinesNZD 79NZD 79
- ONT12:305h 1m1 stopSAN17:31Wed, May 22|Ontario - San Diego|Frontier AirlinesNZD 81NZD 81
- ONT13:265h 53m1 stopSAN19:19Thu, May 30|Ontario - San Diego|Frontier AirlinesNZD 83NZD 83
- ONT17:416h 12m1 stopSAN23:53Sat, Jun 1|Ontario - San Diego|Frontier AirlinesNZD 85NZD 85
- ONT17:416h 12m1 stopSAN23:53Tue, May 21|Ontario - San Diego|Frontier AirlinesNZD 89NZD 89
- ONT13:003h 5mDirectSAN14:00Thu, May 9|Ontario - San Diego|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Searching for the best last minute flight from Ontario to San Diego? Find one-way or return flights that are affordable and fit your itinerary.
Trip.com monitors the ticket fares of flights from Ontario to San Diego. Stay updated on price trends and snag the best deals for your upcoming trip.
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Ontario to San Diego
View airlines operating flights from Ontario to San Diego. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From NZD 64
Southwest Airlines
From NZD 212
United Airlines
From NZD 218
Alaska Airlines
From NZD 271
Delta Air Lines
From NZD 331
American Airlines
From NZD 439
Hawaiian Airlines
From NZD 942
ANA airlines
Find more flights and airlines
Alternative Routes from Ontario to San Diego
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to San Diego.
- CheapestONT12:393h 47m1 transferSAN16:26Ontario International Airport - San Diego International AirportTue, May 14Frontier AirlinesNZD 64
- ONT12:393h 47m1 transferSAN16:26Ontario International Airport - San Diego International AirportTue, May 14Frontier AirlinesNZD 64Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Ontario to San Diego
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to San Diego. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
Compare prices on travel agency and airline websites.
Look Out for Deals
Check airline and travel agency websites for latest flight deals
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Ontario to San Diego
Cheapest nonstop flight price | NZD 63 |
---|---|
Cheapest round-trip ticket price | NZD 512 |
Off-season for travel | September |
Peak season for travel | December |
Flight distance | 12,520.52km |
Popular airline | United Airlines |
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