- Must visit
USS Midway Museum
A large aircraft carrier museum on the waterfront with restored aircraft, flight deck views, and naval history exhibits. One of the city’s signature attractions.
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Journey information
Overview: Ontario, CA to San Diego, CA flight
USAUSA
Flights from Ontario, CA to San Diego, CA depart on average 34 times per day, taking around 4h 18m. Cheap flight tickets for this journey start at $311 (€251) but you can travel from only $38 (€31) by bus.
There are 2 flights per day. The earliest flight runs at 05:00, the last at 23:55. The fastest flight covers the 97 miles (157 km) distance in 58m. 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 $38 (€31)
Distance 97 miles (157 km) |
Average flight duration 4h 18m |
Cheapest ticket price $311 (€251) |
Flights per day 34 |
Direct flights 2 |
Fastest flight 58m |
First flight 5:00 AM |
Last flight 11:55 PM |
Cheapest Month Nov |
Cheapest Day Sat |
High Season Jul - Sep |
Low Season Apr - Jun |
Best time to book 5 days |
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 $38 (€31)
The cheapest and fastest flights from Ontario, CA to San Diego, CA
Showing times and prices for May 29
Cheapest price
$352
Average price
$454
Fastest journey
58 m
Average duration
3 h 51 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 $454 if you buy it on the day, but the cheapest tickets can be found for only $352.
Fast flights
Of the 4 flights that leave Ontario, CA for San Diego, CA onFri, May 29, 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, May 29 the direct flights cover the 157 km distance in an average of 3 h 51 m but if you time it right, some flights will get you there in just 58 m .
On Fri, May 29 the longest flights will take 12 h 22 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.
4:17 PM12h22Ontario, CA4:39 AMSan Diego, CA$3521One-way0 transfers
5:17 PM1h07Ontario, CA6:24 PMSan Diego, CA$4681One-way0 transfers- 2:50 AM0h58Ontario, CA3:48 AMSan Diego, CA$4771One-way0 transfers
- 2:14 AM0h58Ontario, CA3:12 AMSan Diego, CA$5191One-way0 transfers
- 2:50 AM0h58Ontario, CA3:48 AMSan Diego, CA$4771One-way0 transfers
- 2:14 AM0h58Ontario, CA3:12 AMSan Diego, CA$5191One-way0 transfers
- 5:17 PM1h07Ontario, CA6:24 PMSan Diego, CA$4681One-way0 transfers
- 4:17 PM12h22Ontario, CA4:39 AMSan Diego, CA$3521One-way0 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 $38. For those with little time consider booking a bus which can get you there in 4h 3m. The ticket price range depends on the travel mode: a bus costs an average of $38, and a flight costs an average of $311.
Distance: 97 miles (157 km)
Compare flight with
| Flight | Most popular Bus | Driving |
|---|---|---|
$446 Average price | $56 Average price Cheapest | $24 Average price (fuel + tolls) |
7h 18m Average total duration 4h 18m Onboard + 3h 0m Additional time* | 4h 33m Average total duration Fastest 4h 3m Onboard + 30m Additional time* | 1h 49m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options |
The cheapest way to travel from Ontario, CA to San Diego, CA is a bus with an average price of $56 (€46).
This is compared to other travel options from Ontario, CA to San Diego, CA:
A bus is $390 (€315) less than a flight for this route with tickets for a flight from Ontario, CA to San Diego, CA costing on average $446 (€360).
The fastest way to travel from Ontario, CA to San Diego, CA is by bus with an average journey time of 4h 3m.
Other travel options to San Diego, CA take longer:
Flight takes on average 4h 18m.
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.
We recommend using the bus as it is the most popular way to get from Ontario, CA to San Diego, CA among Omio's users.
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, May 28. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 2:50 AM Ontario, CA | 0h58 | 3:48 AM San Diego, CA | 0 transfersDirect | |
| 4:17 PM Ontario, CA | 12h22 | 4:39 AM San Diego, CA | 0 transfersDirect | |
| 5:17 PM Ontario, CA | 1h07 | 6:24 PM San Diego, CA | 0 transfersDirect | |
| 8:30 PM Ontario, CA | 7h18 | 3:48 AM San Diego, CA | 0 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
May 29
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May 30
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May 31
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Complete guide to San Diego
Things to do in San Diego
Discover the best of San Diego — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Diego trip today.
- Recommended
San Diego Museum of Art
Balboa Park’s major art museum, known for European old masters, Asian art, and rotating exhibitions in a landmark Spanish Colonial Revival building.
- Recommended
Museum of Contemporary Art San Diego
Contemporary art museum with strong regional and international programming, especially noted for its oceanfront La Jolla location and modern exhibitions.
- Must visit
Balboa Park
San Diego’s flagship urban park, packed with gardens, museums, Spanish Colonial architecture, plazas, and highly photogenic walking paths.
- Must visit
La Jolla Cove
A scenic coastal area known for sea lions, cliffs, turquoise water, and one of the city’s most photographed ocean viewpoints.
- Must visit
Gaslamp Quarter
The city’s best-known historic downtown district, lined with Victorian-era buildings, lively streets, and a strong day-to-night atmosphere.
Fish Tacos
Beer-battered or grilled fish in a tortilla, usually topped with cabbage, crema, and salsa. A signature San Diego favorite shaped by Baja California influence.
California Burrito
A San Diego staple burrito filled with carne asada, fries, cheese, and salsa. It is one of the city’s most iconic late-night and taqueria foods.
Carne Asada Fries
French fries topped with carne asada, cheese, guacamole, sour cream, and salsa. This indulgent border-style dish is strongly associated with San Diego taco shops.
Mitch's Seafood
Established waterfront seafood restaurant in Point Loma known for fresh local catch, fish sandwiches, and harbor views.
Las Cuatro Milpas
Legendary casual spot in Barrio Logan known for traditional Mexican plates, handmade tortillas, and an old-school local atmosphere.
Oscar's Mexican Seafood
Popular casual venue celebrated for fish tacos, smoked fish tacos, and fresh coastal Baja-style seafood in a laid-back setting.
United States Dollar
San Diego is pricey by U.S. standards, especially for hotels and dining, though tacos, casual eats, and happy hours can help keep daily costs lower.
Average meal costs
- Budget
- USD 10-18 for tacos, fast food, or casual counter service.
- Mid-range
- USD 25-45 per person at a standard sit-down restaurant.
- Fine dining
- USD 80+ per person before drinks, tax, and tip.
- Coffee
- USD 4-7 for drip coffee or a latte.
Tipping culture
Tip 18-20% at restaurants; 20%+ for great service. USD 1-2 per drink at bars, round up or 10-15% for taxis, and USD 2-5 nightly for hotel housekeeping.
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.
Cheap plane tickets from Ontario, CA to San Diego, CA can start from as little as $311 (€251) when you book in advance. The average flight ticket price for Ontario, CA to San Diego, CA is $446 (€360) ; 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 58m 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 5:00 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.
Some of the most interesting sights to explore in San Diego, CA are:
- Balboa Park, a sprawling urban park with museums, gardens, and the San Diego Zoo
- USS Midway Museum, a historic naval aircraft carrier museum offering interactive exhibits and tours
- La Jolla Cove, a picturesque coastal area known for its stunning views and marine life
- Gaslamp Quarter, a lively historic district with Victorian architecture, dining, and entertainment options
- Coronado Beach, a beautiful sandy beach known for its gentle waves and iconic hotel.
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 things to do in San Diego, CA include:
- Explore the vibrant art scene at the Museum of Contemporary Art San Diego
- enjoy a harbor cruise for stunning views of the skyline and naval ships
- hike the scenic trails at Torrey Pines State Natural Reserve
- visit the Birch Aquarium to learn about marine life and ocean conservation
- experience the thrill of a whale watching tour off the coast.
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.
We recommend using the bus as it is the most popular way to get from Ontario, CA to San Diego, CA among Omio's users.
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.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In San Diego, CA, travelers should be cautious of pickpocketing and petty theft, especially in crowded areas like beaches, public transportation, and popular tourist spots such as the Gaslamp Quarter and Old Town. Common scams include overpriced parking fees and unauthorized ticket sellers near attractions. Staying aware of surroundings, securing belongings, and using official transportation services help reduce risks. Additionally, travelers should avoid isolated areas at night and be mindful of local traffic laws when using scooters or bikes.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
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.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
4 km
Car connection
I-10, Exit 55Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in terminals, including duty-free and local brands.
Parking
- Parking available near the terminal, approximately 0.30€ (IDR 5,000) per hour.
Dining
- Various options in terminals, including fast food and sit-down restaurants
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Hotels nearby, such as Ontario Airport Hotel & Conference Center.
Shower
- Available in terminal 4, approx. $15 per use.
Lounge
- Several lounges available, including Aspire Lounge.
Lost and Found Office
- Available throughout the airport.
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
The major airport for arrivals in San Diego is San Diego International Airport. Find all the information you need to know about services, amenities and connections at San Diego International Airport for your journey to San Diego from Ontario.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
4 kmCar connection
I-5, exit Sassafras StWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in terminals 1 and 2, including Duty-Free and Hudson News.
Parking
- Parking available, price varies.
Dining
- Restaurants in terminals 1 and 2, including fast food and sit-down options like The Counter and Phil's BBQ
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Hotels nearby, Sheraton San Diego Hotel & Mari within walking distance.
Shower
- Showers available at the Airspace Lounge, access fee required.
Lounge
- Lounges available, including United Club and Airspace Lounge.
Lost and Found Office
- Lost and Found located in terminal 2 East, baggage claim area.
Car Rental
- Car rental services available at Rental Car Center, free shuttle from terminals
Public transit options for San Diego International Airport
- Bus Route 992, Airport Station, 4.8 km
McClellan-Palomar Airport (CLD)
Amenities at airport
Accessibilityinformation
Accessibility
- The place has an entrance that is wheelchair-accessible
More options for your journey from Ontario, CA to San Diego, CA
Here are some other resources that might have the information you need
Most popular flights to and from San Diego, CA and Ontario, CA
Most popular flights to San Diego, CA
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