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Cheap flights from Ontario to San Diego from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Diego departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Tue 4/9
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Cheap Ontario to San Diego (ONT to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to San Diego

Best Price Found

$63

Fastest flight time

4h 12m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Ontario in the past 72 hours is $63. The best round-trip flight deal from Ontario to San Diego found on momondo in the last 72 hours is $112.
The fastest flight from Ontario to San Diego takes 4h 12m
There are no direct flights from Ontario to San Diego. Popular non-direct route for this connection is Ontario Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)

How to get the cheapest flight ticket from Ontario to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Ontario to San Diego?

June. The cheapest time of year to fly to San Diego from Ontario is June. Most expensive is October

What is the cheapest day to depart Ontario for San Diego?

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Thursday

When is the cheapest time to fly from Ontario to San Diego?

Ontario to San Diego flights are currently only available in the morning

What is the cheapest Ontario to San Diego flight route?

Ontario - San Diego. Fly from Ontario to San Diego for the best Ontario - San Diego flight prices

How many flights depart from Ontario to San Diego on average per week?

As of March 2024, there are 1 flights per week flying from Ontario to San Diego. The most common day of the week flights depart is Saturday, with 100% of flights taking off on this day.

When traveling from Ontario to San Diego, the most popular airport to fly into is San Diego Airport. The majority of travelers flying into San Diego Airport from Ontario are departing from Ontario Airport. If you are looking for alternate airports to fly out of when traveling to San Diego, you can try flying out of Los Angeles Airport (in Los Angeles), Burbank Bob Hope Airport (in Burbank), or Santa Ana J. Wayne/Orange Cnty Airport (in Santa Ana). If you are looking for alternate airports to fly into when traveling from Ontario, you can try flying into Palm Springs Airport (in Palm Springs), Santa Ana J. Wayne/Orange Cnty Airport (in Santa Ana), or Ontario Airport (in 15). In March, $77 is typically the cheapest round trip price you’ll find from Ontario to San Diego which you can find when you fly LAX — SAN.

Los Angeles Airport (LAX) to San Diego Airport (SAN)$77
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Burbank Bob Hope Airport (BUR) to San Diego Airport (SAN)$78
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Los Angeles Airport (LAX) to Palm Springs Airport (PSP)$249
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Ontario Airport (ONT) to San Diego Airport (SAN)$112
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Los Angeles Airport (LAX) to Santa Ana J. Wayne/Orange Cnty Airport (SNA)$122
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Burbank Bob Hope Airport (BUR) to Ontario Airport (ONT)$101
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Easily compare round-trip flights from Ontario to San Diego

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to San Diego by changing tabs
Multiple Airlines
Apr 7
ONT9:41 pmOntario
25h 46m
1 stop
SAN11:27 pmSan Diego
Apr 12
SAN10:25 pmSan Diego
14h 56m
1 stop
ONT1:21 pmOntario
Frontier
Apr 23
ONT12:59 amOntario
7h 25m
1 stop
SAN8:24 amSan Diego
May 1
SAN8:34 amSan Diego
8h 30m
2 stops
ONT5:04 pmOntario
Multiple Airlines
Apr 24
ONT12:39 pmOntario
7h 42m
1 stop
SAN8:21 pmSan Diego
May 1
SAN9:32 pmSan Diego
9h 36m
1 stop
ONT7:08 amOntario
Multiple Airlines
Apr 23
ONT12:59 amOntario
7h 25m
1 stop
SAN8:24 amSan Diego
May 1
SAN11:37 amSan Diego
10h 20m
1 stop
ONT9:57 pmOntario
Alaska Airlines
Apr 26
ONT7:59 pmOntario
12h 51m
1 stop
SAN8:50 amSan Diego
May 3
SAN2:00 pmSan Diego
9h 59m
1 stop
ONT11:59 pmOntario
United Airlines
Apr 20
ONT10:45 amOntario
7h 34m
1 stop
SAN6:19 pmSan Diego
Apr 24
SAN5:20 pmSan Diego
5h 44m
1 stop
ONT11:04 pmOntario

Find the cheapest one-way flights from Ontario to San Diego

If you're looking for one-way flights from Ontario to San Diego, view some of our deals below provided by Frontier and United Airlines
Multiple Airlines
Apr 7
ONT9:41 pmOntario
25h 46m
1 stop
SAN11:27 pmSan Diego
Frontier
Apr 1
ONT9:55 pmOntario
19h 11m
1 stop
SAN5:06 pmSan Diego
Multiple Airlines
Apr 2
ONT10:08 pmOntario
23h 24m
1 stop
SAN9:32 pmSan Diego

Search last-minute flights to San Diego from Ontario

Find and compare round-trip flight prices for your last-minute flight from Ontario to San Diego
Multiple Airlines
Apr 7
ONT9:41 pmOntario
25h 46m
1 stop
SAN11:27 pmSan Diego
Apr 12
SAN10:25 pmSan Diego
14h 56m
1 stop
ONT1:21 pmOntario
Multiple Airlines
Apr 7
ONT5:42 pmOntario
5h 45m
1 stop
SAN11:27 pmSan Diego
Apr 12
SAN8:44 amSan Diego
9h 11m
2 stops
ONT5:55 pmOntario
United Airlines
Apr 4
ONT10:45 amOntario
10h 06m
1 stop
SAN8:51 pmSan Diego
Apr 12
SAN6:49 pmSan Diego
17h 51m
1 stop
ONT12:40 pmOntario
American Airlines
Apr 4
ONT10:00 amOntario
5h 26m
1 stop
SAN3:26 pmSan Diego
Apr 12
SAN12:45 pmSan Diego
6h 04m
1 stop
ONT6:49 pmOntario
Alaska Airlines
Apr 4
ONT6:00 amOntario
17h 59m
1 stop
SAN11:59 pmSan Diego
Apr 6
SAN6:15 amSan Diego
17h 44m
1 stop
ONT11:59 pmOntario
American Airlines
Apr 6
ONT10:00 amOntario
5h 26m
1 stop
SAN3:26 pmSan Diego
Apr 9
SAN6:20 amSan Diego
5h 30m
1 stop
ONT11:50 amOntario

Alaska Airlines flights from Ontario to San Diego

Our best Alaska Airlines deals on Ontario to San Diego flight tickets
Alaska Airlines
Apr 26
ONT7:59 pmOntario
12h 51m
1 stop
SAN8:50 amSan Diego
May 3
SAN2:00 pmSan Diego
9h 59m
1 stop
ONT11:59 pmOntario
Alaska Airlines
Apr 27
ONT6:00 amOntario
6h 40m
1 stop
SAN12:40 pmSan Diego
May 4
SAN6:15 amSan Diego
9h 50m
1 stop
ONT4:05 pmOntario
Alaska Airlines
Apr 26
ONT4:41 pmOntario
7h 17m
1 stop
SAN11:58 pmSan Diego
May 3
SAN2:00 pmSan Diego
9h 59m
1 stop
ONT11:59 pmOntario

United Airlines flights from Ontario to San Diego

Our best United Airlines deals on Ontario to San Diego flight tickets
United Airlines
Apr 20
ONT10:45 amOntario
7h 34m
1 stop
SAN6:19 pmSan Diego
Apr 24
SAN5:20 pmSan Diego
5h 44m
1 stop
ONT11:04 pmOntario
United Airlines
Apr 24
ONT6:00 amOntario
4h 32m
1 stop
SAN10:32 amSan Diego
May 1
SAN1:50 pmSan Diego
9h 14m
1 stop
ONT11:04 pmOntario
United Airlines
May 11
ONT6:00 amOntario
14h 51m
1 stop
SAN8:51 pmSan Diego
May 12
SAN6:15 amSan Diego
16h 49m
1 stop
ONT11:04 pmOntario

  • How far is Ontario to San Diego by plane?

    A flight from Ontario to San Diego will travel around 97.3 mi. By plane, this route typically takes 4h 12m.

  • When did momondo last update prices for flights from Ontario Airport to San Diego Airport?

    Prices for flights from Ontario Airport to San Diego Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for Ontario to San Diego

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Oakland, California to Los Angeles Flights
Fastest flight time1h 21m
Cheapest price$59
San Francisco to Los Angeles Flights
Fastest flight time1h 25m
Cheapest price$48
San Jose to Los Angeles Flights
Fastest flight time1h 20m
Cheapest price$66
Los Angeles to Oakland, California Flights
Fastest flight time1h 19m
Cheapest price$67
Los Angeles to San Francisco Flights
Fastest flight time1h 21m
Cheapest price$66
San Francisco to San Diego Flights
Fastest flight time1h 33m
Cheapest price$68
Oakland, California to Santa Ana Flights
Fastest flight time1h 21m
Cheapest price$69
Oakland, California to Burbank Flights
Fastest flight time1h 11m
Cheapest price$64
Los Angeles to San Jose Flights
Fastest flight time1h 10m
Cheapest price$70
San Francisco to Ontario Flights
Fastest flight time1h 21m
Cheapest price$48
Burbank to Oakland, California Flights
Fastest flight time1h 15m
Cheapest price$70
Ontario to San Francisco Flights
Fastest flight time1h 20m
Cheapest price$48

Similar Ontario to San Diego flights

Flexible with your destination? Broaden your search and find flights similar to your Ontario to San Diego route

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Ontario.

I’m not ready to book a flight from Ontario to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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