Question 1

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and Guadalajara, London, Dallas, Seattle, Las Vegas, San Francisco, Mexico City, Houston, Sacramento, Denver, Honolulu, New York, Portland, Chicago, Washington, D.C., Toronto, Orlando, Cancún, Veracruz, Manila.

Question 2

What are the most popular routes to and from San Diego?

Accepted Answer

Travelers frequently search for route combinations, such as San Diego and London, Calgary, San Francisco, San Jose, Las Vegas, New York, Vancouver, Sacramento, Toronto, Edmonton, Seattle, Phoenix, Tokyo, Dallas, Aberdeen, Edinburgh, Manchester, Washington, D.C., Denver, Honolulu.

Question 3

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, McClellan–Palomar.

Question 4

What airports are near San Diego?

Accepted Answer

The main airport in San Diego is San Diego International. It is also served by Tijuana International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Mexicali International, Long Beach, Imperial County, Hawthorne Municipal, Yuma International.

Question 5

Which airlines fly between Ontario and San Diego?

Accepted Answer

Currently, you can fly between Ontario and San Diego with Frontier Airlines, United Airlines, Alaska Airlines, AeroMéxico, Volaris.

Question 6

When’s the best time to travel between Ontario and San Diego?

Accepted Answer

If you don’t have specific dates for your trip between Ontario and San Diego, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 7

What flights operate between Ontario and San Diego?

Accepted Answer

Traveling between Ontario and San Diego, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 8

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, McClellan–Palomar

Question 9

How many airports are there near San Diego?

Accepted Answer

There are a number of airports in and around San Diego. The main one is San Diego International and other nearby airports include Tijuana International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Mexicali International, Long Beach, Imperial County, Hawthorne Municipal, Yuma International.

Question 10

What time do nonstop (direct) flights between Ontario and San Diego depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 11

What time do nonstop (direct) flights between Ontario and San Diego arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at San Diego, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 12

What time do flights between Ontario and San Diego depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 13

What time do flights between Ontario and San Diego arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at San Diego, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£59
Cheapest round-trip	£114
Average round-trip	£181
Includes rare itinerary	Travel hack
Most popular airline	Frontier Airlines

Transport Option	Typical Time	Typical Cost	Frequency	Best For
MTS Bus Route 992	12-20 min	$2.50 (single ride fare)	every 15 min (traffic dependent)	budget travelers
San Diego Trolley (via Old Town Transfer)	25-40 min	$2.50-$5 (requires bus transfer at Old Town)	every 15 min (traffic dependent)	connecting to trolley network
Taxi	10-20 min	$15-$25 (metered; varies by traffic and destination)	on-demand 24/7 (traffic dependent)	door-to-door convenience
Ride-hailing (Uber/Lyft)	10-20 min	$12-$30 (surge pricing may apply)	on-demand 24/7 (traffic dependent)	app-based convenience
Private Transfer / Shuttle	10-25 min	$30-$60 (pre-booked; varies by provider)	by reservation (traffic dependent)	groups or pre-arranged travel
Rental Car	10-20 min	$40-$100 (daily rate; varies by provider and vehicle)	on-demand (traffic dependent)	exploring San Diego region

Name	Carrier code	IATA Code	Passport needed during booking
Frontier Airlines	FFT	F9	No
United Airlines	UAL	UA	No
Alaska Airlines	ASA	AS	No
AeroMéxico	AMX	AM	Yes
Volaris	VOI	Y4	No

Month	Average monthly max temperature	Average monthly min temperature
January	18°C	10°C
February	17°C	10°C
March	18°C	11°C
April	19°C	12°C
May	20°C	14°C
June	22°C	16°C
July	24°C	18°C
August	25°C	19°C
September	25°C	19°C
October	23°C	16°C
November	21°C	13°C
December	17°C	11°C

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