Cheap flights from Ontario to San Diego

Round-trip
1 adult
Economy
From?
To?
Fri 10/29
Fri 11/5

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Ontario to San Diego.
View current United States travel restrictions

Flight information for Ontario to San Diego
(ONT to SAN)

Find info about flight duration, direct flights, and airports for your flight from Ontario to San Diego
Best Price Found$244The best flight deal from Ontario to San Diego found on momondo in the last 72 hours is $244
Fastest flight time0h 46mThe fastest flight from Ontario to San Diego takes 0h 46m
Direct flightsNoneThere are no direct flights from Ontario to San Diego. Popular non-direct route for this connection is Ontario Airport - San Diego Airport.
Airports in San Diego2 airportsThere are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

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 day to depart Ontario for San Diego?

Friday

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

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

in the morning

Ontario to San Diego flights are approximately 0% more expensive in the morning than 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


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 three 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
Nov 8
ONT7:17 amOntario
5h 38m
1 stop
SAN12:55 pmSan Diego
Nov 12
SAN3:00 amSan Diego
25h 20m
1 stop
ONT4:20 amOntario
Frontier
Dec 22
ONT9:35 amOntario
6h 52m
1 stop
SAN4:27 pmSan Diego
Dec 28
SAN3:09 amSan Diego
25h 07m
1 stop
ONT4:16 amOntario
United Airlines
Dec 11
ONT1:00 amOntario
14h 29m
1 stop
SAN3:29 pmSan Diego
Dec 12
SAN1:15 amSan Diego
18h 00m
1 stop
ONT7:15 pmOntario
Alaska Airlines
Jan 5
ONT1:00 amOntario
9h 44m
1 stop
SAN10:44 amSan Diego
Jan 5
SAN3:15 pmSan Diego
13h 59m
1 stop
ONT5:14 amOntario
American Airlines
Dec 4
ONT1:30 amOntario
11h 25m
1 stop
SAN12:55 pmSan Diego
Dec 6
SAN11:07 amSan Diego
16h 36m
1 stop
ONT3:43 amOntario
Multiple Airlines
Nov 26
ONT6:36 amOntario
12h 39m
1 stop
SAN7:15 pmSan Diego
Nov 29
SAN5:31 pmSan Diego
11h 03m
1 stop
ONT4:34 amOntario

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 Alaska Airlines, Frontier and Linear Air Taxi
Frontier
Oct 30
ONT5:56 amOntario
6h 54m
1 stop
SAN12:50 pmSan Diego
United Airlines
Nov 25
ONT11:00 amOntario
7h 28m
1 stop
SAN6:28 pmSan Diego
Alaska Airlines
Dec 10
ONT3:57 pmOntario
11h 48m
1 stop
SAN3:45 amSan Diego

Search last-minute flights to San Diego from Ontario

Find and compare flight prices for your last-minute flight from Ontario to San Diego
Frontier
Nov 1
ONT8:22 amOntario
11h 07m
1 stop
SAN7:29 pmSan Diego
Nov 2
SAN9:27 amSan Diego
7h 53m
1 stop
ONT5:20 pmOntario
Multiple Airlines
Oct 30
ONT1:45 amOntario
9h 42m
1 stop
SAN11:27 amSan Diego
Oct 31
SAN2:30 amSan Diego
9h 58m
2 stops
ONT12:28 pmOntario
Frontier
Nov 2
ONT8:08 amOntario
11h 21m
1 stop
SAN7:29 pmSan Diego
Nov 5
SAN2:25 amSan Diego
12h 23m
1 stop
ONT2:48 pmOntario
American Airlines
Nov 2
ONT5:14 amOntario
8h 17m
1 stop
SAN1:31 pmSan Diego
Nov 5
SAN8:35 amSan Diego
9h 18m
1 stop
ONT5:53 pmOntario
Frontier
Oct 30
ONT5:56 amOntario
6h 54m
1 stop
SAN12:50 pmSan Diego
Nov 1
SAN6:04 amSan Diego
8h 59m
1 stop
ONT3:03 pmOntario
United Airlines
Nov 3
ONT6:31 amOntario
4h 37m
1 stop
SAN11:08 amSan Diego
Nov 3
SAN3:05 pmSan Diego
5h 10m
1 stop
ONT8:15 pmOntario

  • Are airlines flying from Ontario to San Diego offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Ontario to San Diego are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are American Airlines, Linear Air Taxi, and United Airlines. You can search for the full list of airlines like American Airlines that are offering this flexibility.

  • 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 3h 55m.


Can I fly to San Diego from Ontario right now?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering San Diego.

Can I fly back to Ontario from San Diego?

Returning to Ontario from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Ontario.

If you are planning to travel to San Diego at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

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 20m
Cheapest price$38
Los Angeles to Oakland, California Flights
Fastest flight time1h 14m
Cheapest price$38
Los Angeles to San Francisco Flights
Fastest flight time1h 19m
Cheapest price$61
San Francisco to Los Angeles Flights
Fastest flight time1h 15m
Cheapest price$61
Santa Ana to Oakland, California Flights
Fastest flight time1h 19m
Cheapest price$73
Oakland, California to Santa Ana Flights
Fastest flight time1h 19m
Cheapest price$73
Los Angeles to Reno Flights
Fastest flight time1h 22m
Cheapest price$77
San Francisco to Ontario Flights
Fastest flight time1h 22m
Cheapest price$80
Ontario to San Francisco Flights
Fastest flight time1h 25m
Cheapest price$80
Sacramento to San Diego Flights
Fastest flight time1h 28m
Cheapest price$89
Oakland, California to San Diego Flights
Fastest flight time3h 33m
Cheapest price$90
Los Angeles to San Jose Flights
Fastest flight time1h 12m
Cheapest price$97

Similar Ontario to San Diego flights

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