Ontario, CA ONT to San Diego, CA SAN Flights

Fri, Feb 27
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1,000+ travel companies
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Journey information

Overview: Ontario, CA to San Diego, CA flight

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Flights from Ontario, CA to San Diego, CA depart on average 31 times per day, taking around 3h 47m. Cheap flight tickets for this journey start at $135 (€107) but you can travel from only $34 (€27) by bus.

There are 1 flights per day. The earliest flight runs at 00:59, the last at 23:55. The fastest flight covers the 97 miles (157 km) distance in 55m. November is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $34 (€27)
Distance
97 miles (157 km)
Average flight duration
3h 47m
Cheapest ticket price
$135 (€107)
Flights per day
31
Direct flights
1
Fastest flight
55m
Cheapest month
November
First flight
00:59
Last flight
23:55
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $34 (€27)

The cheapest and fastest flights from Ontario, CA to San Diego, CA

Showing times and prices for Feb 28

Cheapest price

$199

Average price

$396

Fastest journey

55 m

Average duration

4 h 11 m

Flights per day

4

Distance

157 km

Cheap tickets

The best way to find a cheap flight ticket from Ontario, CA to San Diego, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Ontario, CA to San Diego, CA will cost around $396 if you buy it on the day, but the cheapest tickets can be found for only $199.

Fast flights

Of the 4 flights that leave Ontario, CA for San Diego, CA onSat, Feb 28, 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Sat, Feb 28 the direct flights cover the 157 km distance in an average of 4 h 11 m but if you time it right, some flights will get you there in just 55 m .

On Sat, Feb 28 the longest flights will take 13 h 39 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

American Airlines
03:08AM13h39
Ontario, CA
04:47PMSan Diego, CA
$1991One-way
0 transfers
United
02:55AM1h02
Ontario, CA
03:57AMSan Diego, CA
$4221One-way
0 transfers
United
05:17PM1h07
Ontario, CA
06:24PMSan Diego, CA
$4761One-way
0 transfers
United
02:59AM0h55
Ontario, CA
03:54AMSan Diego, CA
$4891One-way
0 transfers

Travel Information

Compare bus and flight for Ontario, CA to San Diego, CA

Omio recommends booking the bus as it is the most popular option from Ontario, CA to San Diego, CA among Omio's users. If you are prioritising price take the bus with prices starting from $34. For those with little time consider booking a flight which can get you there in 3h 47m. The ticket price range depends on the travel mode: a bus costs an average of $34, and a flight costs an average of $135.

Distance: 97 miles (157 km)

Compare flight with

Flight
Most popular
Bus

$376

Average price

$50

Average price

Cheapest

6h 47m

Average total duration

Fastest

3h 47m

Onboard

+

3h 0m

Additional time*

4h 35m

Average total duration

4h 5m

Onboard

+

30m

Additional time*

Direct Options

Direct Options

Live departures

Ontario, CA to San Diego, CA flight times

The table below shows live departures for Ontario, CA to San Diego, CA flights for today, Thursday, February 26. You can also manually refresh the results below to see updated flight journeys.

Last updated at 7:44 PM
ProviderDepartsDurationArrivesTransfers
Tickets
american_airlinesAA2789 · AA31068:59 PM Los Angeles International Airport
5h53
2:52 AM San Diego International Airport1 transfer
american_airlinesAA2789 · AA23828:59 PM Los Angeles International Airport
8h40
5:39 AM San Diego International Airport1 transfer
unitedUA2187 · UA5409:00 PM Burbank
7h51
4:51 AM San Diego International Airport1 transfer
unitedUA2692 · UA14349:25 PM Los Angeles International Airport
5h23
2:48 AM San Diego International Airport1 transfer
unitedUA1470 · UA14349:40 PM Ontario International Airport
5h08
2:48 AM San Diego International Airport1 transfer
unitedUA1470 · UA15779:40 PM Ontario International Airport
7h09
4:49 AM San Diego International Airport1 transfer
unitedUA2154 · UA143410:04 PM Burbank
4h44
2:48 AM San Diego International Airport1 transfer
unitedUA2154 · UA157710:04 PM Burbank
6h45
4:49 AM San Diego International Airport1 transfer
unitedUA5504 · UA157711:30 PM Burbank
5h19
4:49 AM San Diego International Airport1 transfer
unitedUA5249 · UA1603 · UA214211:38 PM Los Angeles International Airport
8h51
8:29 AM San Diego International Airport2 transfers
unitedUA5249 · UA1267 · UA214211:38 PM Los Angeles International Airport
8h51
8:29 AM San Diego International Airport2 transfers
unitedUA5715 · UA157711:45 PM John Wayne Airport
5h04
4:49 AM San Diego International Airport1 transfer
Friday, February 27
unitedUA2019 · UA157712:10 AM Los Angeles International Airport
4h39
4:49 AM San Diego International Airport1 transfer
unitedUA541512:26 AM Los Angeles International Airport
1h03
1:29 AM San Diego International Airport0 transfersDirect
unitedUA2679 · UA1267 · UA214212:40 AM Los Angeles International Airport
7h49
8:29 AM San Diego International Airport2 transfers
american_airlinesAA2743 · AA238212:42 AM Los Angeles International Airport
4h57
5:39 AM San Diego International Airport1 transfer
unitedUA2315 · UA21422:37 AM Burbank
5h52
8:29 AM San Diego International Airport1 transfer
united2:55 AM Ontario, CA
1h02
3:57 AM San Diego, CA0 transfersDirect
united2:59 AM Ontario, CA
0h55
3:54 AM San Diego, CA0 transfersDirect
american_airlines3:08 AM Ontario, CA
13h39
4:47 PM San Diego, CA0 transfersDirect
american_airlinesAA2908 · AA22313:35 AM Los Angeles International Airport
13h18
4:53 PM San Diego International Airport1 transfer
unitedUA4735 · UA21424:10 AM Burbank
4h19
8:29 AM San Diego International Airport1 transfer
american_airlinesAA2091 · AA22314:35 AM Los Angeles International Airport
12h18
4:53 PM San Diego International Airport1 transfer
unitedUA46426:37 AM Los Angeles International Airport
1h03
7:40 AM San Diego International Airport0 transfersDirect
sun_country_airlinesSY430 · SY4077:55 AM Los Angeles International Airport
17h20
1:15 AM San Diego International Airport1 transfer
united5:17 PM Ontario, CA
1h07
6:24 PM San Diego, CA0 transfersDirect

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets Ontario, CA to San Diego, CA by bus or flight

Compare bus and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Fri
Feb 27
Sat
Feb 28
Sun
Mar 01
Mon
Mar 02
Tue
Mar 03
Wed
Mar 04
Thu
Mar 05

FAQs: Ontario, CA to San Diego, CA Flight

Find answers to the most common questions about traveling from Ontario, CA to San Diego, CA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Diego, CA, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Ontario, CA to San Diego, CA can start from as little as $135 (€107) when you book in advance. The average flight ticket price for Ontario, CA to San Diego, CA is $376 (€299) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Ontario, CA to San Diego, CA is 55m to travel the 97 miles (157 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Ontario, CA to San Diego, CA leaves at 12:59 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Ontario, CA to San Diego, CA leaves at 11:55 PM.
Flights from Ontario, CA to San Diego, CA generally leave from Los Angeles International Airport and arrive in San Diego International Airport.Los Angeles International Airport is 1 miles (2 km) away from Ontario, CA city centre and San Diego International Airport is 2 miles (4 km) from San Diego, CA city centre.
The cheapest month for a flight from Ontario, CA to San Diego, CA is November.
It's helpful to compare your options as there are 2 ways to travel between Ontario, CA and San Diego, CA including taking a bus and flight.
Since neither Ontario, CA nor San Diego, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is no time difference between Ontario, CA and San Diego, CA.
The best events to attend in San Diego, CA include:
  • Comic-Con International, the largest comic book and popular arts convention in the world
  • San Diego County Fair, a month-long fair featuring rides, games, and local food
  • San Diego Beer Week, a celebration of craft beer with tastings and events across the county
  • La Jolla Music Festival, an annual event showcasing classical music performances in a picturesque coastal setting.
The best holidays to experience in San Diego, CA include:
  • Memorial Day, ideal weather for beach activities and outdoor events
  • Independence Day, spectacular fireworks and patriotic celebrations
  • Labor Day, perfect for enjoying the last days of summer at the beach
  • Thanksgiving, a time for family gatherings with pleasant fall weather.
The best season to visit San Diego, CA is Spring or Fall. The best weather to explore San Diego, CA is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

popular airports

Popular airports from Ontario, CA to San Diego, CA

Ontario
San Diego
The major airport for departures in Ontario is Ontario International Airport. Find all the information you need to know about services, amenities and connections at Ontario International Airport for your trip from Ontario to San Diego.
Ontario International Airport (ONT)WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rental
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
address
Address
Ontario, CA 91761, United States
ticketOfficeHours
Distance to city center
4 km
carConnection
Car connection
I-10, Exit 55
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops in terminals, including duty-free and local brands.
Parking
Parking
  • Parking available near the terminal, approximately 0.30€ (IDR 5,000) per hour.
Dining
Dining
  • Various options in terminals, including fast food and sit-down restaurants
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • Available throughout the airport.
Hotel
Hotel
  • Hotels nearby, such as Ontario Airport Hotel & Conference Center.
Shower
Shower
  • Available in terminal 4, approx. $15 per use.
Lounge
Lounge
  • Several lounges available, including Aspire Lounge.
Lost and Found Office
Lost and Found Office
  • Available throughout the airport.
Car Rental
Car Rental
  • Car rental services available on-site, including major brands
Public transit options for Ontario International Airport
  • Bus line 61, Ontario Airport at terminal Way 2, 38 miles

More options for your journey from Ontario, CA to San Diego, CA

Here are some other resources that might have the information you need

Return journeys for flights from San Diego, CA to Ontario, CA
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More information on flights to San Diego, CA

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