Non-stop flights to Ontario (ONT)
Ontario International Airport is a medium sized airport in United States. It is an international airport. In total there are 31 airports around the world that have direct flights to Ontario, spread around 28 cities in 3 countries. Currently, there are 25 domestic flights to Ontario.
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All direct flights to Ontario Top 200 flights with a stopover Airlines flying to Ontario Best time to visit Ontario Long-Haul Flights Business Class flights Intercontinental flights International flights Domestic flights Alternative airports FAQThis month, there are 2,326 flights arriving at Ontario Airport, which are 78 flights per day or 3 flights per hour. On an average day, there is at least 1 flight arriving every 20 minutes.
The most frequently departed flights to Ontario are routes from Phoenix (PHX) in United States and Denver (DEN), also in United States. These two routes together are operated 449 times this month, and make up for 19% of all monthly arrivals at Ontario International Airport.
The longest flight to Ontario ONT is departing from Taipei (TPE). This non-stop flight takes around 14 hours and 5 minutes and covers a distance of 6,815 miles (10,968 km).
List of all direct flights to Ontario
Below you can find a list of all cities and countries that have direct flights to Ontario, ordered by popularity.
Top 200 flights with a stopover
This list contains the 200 most popular airports from which flights depart that require just one stopover to get to Ontario.
Airlines flying to Ontario
Currently, there are 11 airlines that fly to Ontario. Most flights to Ontario are operated by Southwest Airlines, as they connect 13 airports to ONT. That’s around 2 times as much as Frontier Airlines, the second biggest airline in terms of operated flight routes to Ontario. Below you can find the list of airlines that operate all ONT flights:
What is the best time to visit Ontario?
🌿 🍇 Warm Mediterranean
In Ontario, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Ontario is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.
Long-Haul Flights to Ontario
Explore all long-haul flights to Ontario with a flight duration of more than 7 hours.
Business class flights to Ontario
There are 12 airports that have flights to Ontario in Business Class. All airports that offer business class flights to ONT are listed below:
Intercontinental flights to Ontario
The only intercontinental flights to Ontario International Airport (ONT) are from Central America and Eastern Asia, as of April 2026.
* Please note that there are no direct services from Europe, Canada, Southern America, the Caribbean, Africa, the Middle-East, Southern Asia, China, Japan, South-Eastern Asia, Central Asia or Oceania.
Non-stop flights from Central America to Ontario
Avianca (Star Alliance): year-round flights from San Salvador (SAL).
Volaris: year-round flights from Guadalajara (GDL), León (BJX), Morelia (MLM) and seasonal flights from San José del Cabo (SJD).
Non-stop flights from East Asia to Ontario
China Airlines (SkyTeam): year-round flights from Taipei (TPE).
Starlux Airlines: year-round flights from Taipei (TPE).
International flights to Ontario
Flights from El Salvador to Ontario
San Salvador is the only city in El Salvador with direct flights to Ontario. From San Salvador, direct flights are offered by Avianca (Star Alliance).
All flights from El Salvador
Flights from Mexico to Ontario
There are 4 airports in Mexico that have non-stop flights to Ontario.
From Guadalajara, León, Morelia and San José del Cabo, all direct flights to Ontario are operated by Volaris.
All flights from Mexico
Flights from Taiwan to Ontario
In Taiwan, the only airport that has a direct connection to Ontario is Taipei. From Taipei, you can fly non-stop with China Airlines (SkyTeam) or Starlux Airlines.
All flights from Taiwan
Domestic flights to Ontario
Flights from United States to Ontario
There are lots of domestic flights to Ontario (ONT). 25 airports in United States have direct flights to the airport.
From Atlanta, direct flights are offered by Delta (SkyTeam).
From Austin and Baltimore-Washington, you can fly with Southwest Airlines.
From Boise, the only airline with direct flights is Alaska (Oneworld).
From Charlotte, direct flights are offered by American Airlines (Oneworld).
From Chicago, you can fly non-stop to Ontario with Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Chicago, direct flights are offered by United Airlines (Star Alliance).
From Dallas, the only airline with direct flights is Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Dallas-Fort Worth, you can fly non-stop with American Airlines (Oneworld) or Frontier Airlines.
From Denver, direct flights are offered by Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance).
From Honolulu, you can fly non-stop with Alaska (Oneworld) or Southwest Airlines.
From Houston, you can fly non-stop with Frontier Airlines or United Airlines (Star Alliance).
From Houston, direct flights are offered by Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Las Vegas, you can fly non-stop with Frontier Airlines or Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Nashville, you can fly non-stop to Ontario with Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From New York City, the only airline with direct flights is JetBlue. This is a seasonal route that starts in May and ends in October.
From Oakland, East Bay, direct flights are offered by Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Phoenix, you can fly non-stop with American Airlines (Oneworld) or Southwest Airlines.
From Portland, direct flights are offered by Alaska (Oneworld).
From Sacramento, the only airline with direct flights is Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Salt Lake City, you can fly non-stop with Delta (SkyTeam) or Frontier Airlines.
From San Francisco, you can fly non-stop with Frontier Airlines or United Airlines (Star Alliance).
From San Jose, direct flights are offered by Southwest Airlines. This is a seasonal route that starts in April and ends in October.
From Santa Rosa, you can fly non-stop to Ontario with Alaska (Oneworld).
From Seattle / Tacoma, direct flights are offered by Alaska (Oneworld), Delta (SkyTeam) and Frontier Airlines.
All flights from United States
Alternative airports near Ontario
Flying to an alternative airport near Ontario could give you other options to reach your destination. For example, the possibility to fly with a different airline or alliance, or finding a cheaper airfare. For this reason, alternative airports near to Ontario (ONT) are listed below. The closest alternative airports are San Bernardino (SBD) and Santa Ana (SNA).
Frequently asked questions - FAQ
How many airports are there in Ontario?
There are 8 airports in Ontario: Ontario International Airport (ONT), San Bernardino International Airport (SBD), John Wayne Airport (SNA), Long Beach Airport (LGB), Hawthorne Municipal Airport (Jack Northrop Field) (HHR), Bob Hope Airport (BUR), Los Angeles International Airport (LAX) and Santa Monica Airport (SMO).
What is the best airport to fly into Ontario?
You have multiple options when flying into Ontario. Although Ontario (ONT) is a convenient airport to reach the city, the biggest airport near to Ontario is Los Angeles (LAX), Los Angeles International Airport, which offers you additional options.
How many airlines fly to Ontario?
There are 11 airlines flying to Ontario from 31 airports around the world, as of April 2026.
Which airlines fly to Ontario?
Southwest Airlines, Frontier Airlines and Alaska operate most flights to Ontario. To get a full overview of all operating airlines, please use the airline filter.
Which alliances are flying to Ontario?
Star Alliance, SkyTeam and Oneworld are all flying to Ontario.
How many nonstop flights are there to Ontario?
There are roughly 2,326 flights arriving at Ontario every month (or 546 flights each week), from a total of 31 airports worldwide.
What is the official name of Ontario Airport?
The official name of Ontario Airport is Ontario International Airport.
What is the airport code of Ontario Airport?
The airport code of Ontario Airport is ONT.
What are the most popular flights to Ontario?
Phoenix, Denver and Seattle / Tacoma are the 3 most popular routes to Ontario. For a complete overview of all flight routes to Ontario, please use our flight map.
How long is the flight to Ontario?
| Phoenix to Ontario | 1h 23m |
| Denver to Ontario | 2h 22m |
| Seattle / Tacoma to Ontario | 2h 41m |
| Las Vegas to Ontario | 1h 9m |
| Sacramento to Ontario | 1h 20m |
