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Did you mean flights from San Diego to Ontario?

Flights from Ontario to San Diego, United States Last modified: Sep 26, 2016 2:12 AM

Ontario to San Diego Last modified: Sep 26, 2016 2:12 AM

We've scanned 20,789,023,501 round trip itineraries and found the cheapest flights from Ontario to San Diego. American & United frequently offer the best deals on Ontario to San Diego flights, or select your preferred carrier below to see the cheapest days to fly.

American
ONTSAN
Sat 11/12
1 stop
SANONT
Wed 11/16
1 stop
$342
Select
United
ONTSAN
Sat 11/12
2 stops
SANONT
Wed 11/16
2 stops
$346
Select

How Much is a Flight from Ontario to San Diego?

We have collected flight cost data from across the web for travel from Ontario to San Diego, and have found the average flight price for this trip to be $528.

Where To Buy Cheap Flights from Ontario to San Diego?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Ontario to San Diego based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Ontario to San Diego?

The chart below shows up-to-date information regarding how far in advance to book your flight from Ontario to San Diego.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $670
7-14 days $0 $0
14-21 days $0 $0
21-30 days $0 $496
30-60 days $0 $342
60-90 days $0 $358
90+ days $0 $769

Cheapest Day To Fly from Ontario to San Diego

We've examined 20,795,316,600 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Ontario to San Diego is Saturday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$602 $496 $342 $670

Compare Flight Prices from Ontario to San Diego by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Ontario to San Diego flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
September Ontario San Diego United 9/30/16 10/2/16 2 $919
October Ontario San Diego United 10/21/16 10/23/16 1 $496
November Ontario San Diego American 11/12/16 11/16/16 1 $342
December Ontario San Diego United 12/3/16 12/5/16 1 $358
January Ontario San Diego United 1/7/17 1/9/17 2 $769

Cheap Last Minute Flights from Ontario to San Diego

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Ontario to San Diego. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
25 26 27 28 29 30 1
$831
2 3 4 5 6 7 8
$831
9 10 11 12 13 14 15
16 17 18 19 20 21 22
$496
23 24 25 26 27 28 29
$496

Connecting Flights vs Direct Flights from Ontario to San Diego

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Ontario to San Diego is $344.

The average price for direct flights from Ontario to San Diego is not available.

One Way Flights vs Round Trip Flights from Ontario to San Diego

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ontario to San Diego. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ontario to San Diego is not available.

The average price for round trip flights from Ontario to San Diego is $344.

Ontario to San Diego Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ontario to San Diego?
Answer: San Francisco, CA

Airlines in Ontario flying to San Diego Last modified: Sep 26, 2016 2:12 AMNumber of routes searched: 55Number of itineraries searched: 1,830

Wondering which airlines fly out of Ontario to San Diego? We've gathered the average price of Ontario airlines with flights to San Diego. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Ontario to San Diego
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Alaska MRY
American -
American DFW
American PHX
American SFO
American SLC
Alaska PDX
Alaska SEA
Alaska SJC
Alaska FAT
United DEN

Ontario to San Diego Airports

These are the major commercial airports we're currently monitoring in Ontario and San Diego. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Domestic Flights to San Diego - SAN

FlightsAirlineLowest Price
Flights from Los Angeles to San Diego American, Alaska, Delta, United $183
Flights from Las Vegas to San Diego Delta, Spirit, United $90
Flights from Burbank to San DiegoCheck Dates
Flights from Santa Ana to San DiegoCheck Dates
Flights from Long Beach to San Diego American Check Dates
Flights from San Luis Obispo to San Diego United $260
Flights from Santa Barbara to San DiegoCheck Dates
Flights from Bakersfield to San Diego American $408
Flights from Yuma to San Diego American $387
Flights from Las Vegas to Los Angeles Delta, Spirit, United, Virgin America $81
Flights from Los Angeles to Phoenix American, Alaska, Delta, Spirit, United $127
Flights from Los Angeles to San Francisco Alaska, Delta, Hawaiian, United, Virgin America $117
Flights from Los Angeles to PalomarCheck Dates
Flights from San Diego to Los Angeles American, Alaska, Delta, United $183
Flights from Las Vegas to Long Beach American, JetBlue, Delta $87
Flights from Las Vegas to Santa Ana American, Alaska, Delta $194
Flights from San Diego to Las Vegas Delta, Spirit, United $90
Flights from Las Vegas to San Francisco JetBlue, Delta, Frontier, United, Virgin America $86
Flights from Las Vegas to Phoenix American $150
Flights from Las Vegas to PalomarCheck Dates
Flights from Los Angeles to Palm Springs United $435
Flights from Las Vegas to Palm SpringsCheck Dates
Flights from Los Angeles to Ontario American, Alaska, United $344
Flights from Las Vegas to Burbank American, Alaska, United $194
Flights from Las Vegas to Ontario American, Alaska, United $199
Flights from Burbank to Las Vegas Delta Check Dates

Cheap International Flights to San Diego - SAN

Cheap Flights from Ontario to San Diego