
Ontario International Airport (ONT), located in Ontario, California, primarily serves domestic flights within the United States. While it is a significant hub for regional and national travel, it does not currently offer a wide range of international flights. Most international travelers flying to or from the region typically use larger airports such as Los Angeles International Airport (LAX) or John Wayne Airport (SNA) in Orange County. However, Ontario Airport has seen efforts to expand its services, including potential future international routes, as it continues to grow and adapt to the needs of its passengers. For now, travelers seeking international flights from the Inland Empire area will need to connect through other major airports.
| Characteristics | Values |
|---|---|
| Airport Name | Ontario International Airport (ONT) |
| Location | Ontario, California, United States |
| International Flights | Yes, but limited |
| International Destinations | Mexico (Guadalajara, Mexico City, Morelia, Puerto Vallarta, San José del Cabo, León/El Bajío), Taiwan (Taipei) |
| Airlines with International Service | Volaris, China Airlines (seasonal) |
| Customs and Border Protection (CBP) Facility | Yes |
| Global Entry Enrollment Center | Yes |
| Annual International Passengers (approx.) | 200,000+ (pre-pandemic levels) |
| Focus | Primarily serves domestic flights, with some international service to Mexico and seasonal flights to Taiwan |
| Future Plans | Potential expansion of international service, subject to airline demand and market conditions |
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What You'll Learn
- Current International Destinations: List of countries and cities Ontario Airport currently serves internationally
- Airlines Offering International Flights: Airlines operating international routes from Ontario Airport
- Customs and Immigration Facilities: Availability and details of customs and immigration services at the airport
- Future International Expansions: Planned or proposed international routes and partnerships for Ontario Airport
- Passenger Statistics for International Travel: Data on international passenger traffic at Ontario Airport

Current International Destinations: List of countries and cities Ontario Airport currently serves internationally
Ontario International Airport (ONT), located in Ontario, California, has expanded its international flight offerings in recent years, providing travelers with convenient access to several global destinations. As of the latest updates, the airport serves a growing number of international locations, making it an increasingly viable option for those seeking to fly abroad from the Inland Empire region. Below is a detailed list of the countries and cities currently served by Ontario Airport internationally.
Mexico remains one of the primary international destinations from Ontario Airport. Major cities such as Mexico City (MEX), Guadalajara (GDL), and San José del Cabo (SJD) are regularly serviced by airlines like Volaris and Aeroméxico. These routes cater to both leisure and business travelers, offering direct flights that connect Southern California to key Mexican hubs. Additionally, seasonal flights to Puerto Vallarta (PVR) are available, particularly during peak travel seasons, providing tourists with easy access to popular beach destinations.
Central America is another region well-served by Ontario Airport. Destinations in Guatemala, including Guatemala City (GUA), are accessible via airlines such as Volaris. These routes are particularly important for the local Guatemalan community in the Inland Empire, facilitating family visits and cultural connections. While the number of Central American destinations is currently limited, the airport continues to explore opportunities to expand its reach in this region.
In recent years, Ontario Airport has also begun offering flights to Canada, specifically to Toronto (YYZ) and Vancouver (YVR). These routes are operated by major carriers like Air Canada and WestJet, providing both business and leisure travelers with direct access to key Canadian cities. The addition of these destinations reflects the growing demand for international travel options from the airport and its strategic location as a gateway to North America.
While Ontario Airport’s international network is primarily focused on North America, efforts are underway to explore connections to other regions. However, as of now, Mexico, Central America, and Canada remain the core international destinations served by the airport. Travelers are encouraged to check with airlines directly for the most up-to-date schedules and availability, as routes may be subject to seasonal adjustments or expansions.
For those planning international travel from Ontario Airport, it is advisable to arrive early, as international flights typically require additional time for customs and security procedures. The airport’s ongoing commitment to enhancing its international services ensures that passengers have a smooth and efficient travel experience, whether flying for business or leisure. As the airport continues to grow, travelers can anticipate even more international destinations being added to its roster in the future.
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Airlines Offering International Flights: Airlines operating international routes from Ontario Airport
Ontario International Airport (ONT), located in Southern California, has expanded its international flight offerings in recent years, providing travelers with convenient access to several global destinations. While it may not be as large as some of the major international hubs, ONT has strategically partnered with key airlines to offer a range of international routes. These airlines have recognized the growing demand for international travel from the Inland Empire region and have responded by establishing direct flights to popular destinations.
One of the prominent airlines operating international routes from Ontario Airport is Volaris, a Mexican low-cost carrier. Volaris offers flights to multiple destinations in Mexico, including Guadalajara, Mexico City, and Morelia. These routes cater to both leisure and business travelers, particularly those with ties to Mexico. The airline's presence at ONT has significantly enhanced connectivity between Southern California and Mexico, providing an affordable and efficient travel option.
Another key player in the international flight market at Ontario Airport is Aeromexico, Mexico's flagship carrier. Aeromexico operates flights to Mexico City, offering passengers a premium travel experience with its modern fleet and comprehensive services. This route is particularly important for business travelers and those seeking a more upscale journey. The inclusion of Aeromexico at ONT underscores the airport's commitment to providing diverse international travel options.
China Airlines also plays a significant role in ONT's international flight network, offering direct service to Taipei, Taiwan. This route is a vital link for both business and leisure travelers, connecting Southern California to a major hub in Asia. From Taipei, passengers can easily connect to other destinations across Asia, making this route a strategic addition to the airport's international offerings. China Airlines' presence highlights ONT's growing importance as a gateway to the Asia-Pacific region.
In addition to these carriers, Air Canada operates flights to Toronto, providing a direct connection to Canada. This route is particularly valuable for business travelers and those visiting family and friends in Canada. Air Canada's service complements the airport's existing domestic and international flights, further solidifying ONT's position as a versatile travel hub.
For travelers seeking international flights from Ontario Airport, it is essential to check the latest schedules and destinations, as airlines may adjust their routes based on demand and seasonal variations. The airport's website and the respective airline websites provide up-to-date information on available flights, ensuring that passengers can plan their international travel with ease. With its expanding international flight options, Ontario Airport continues to enhance its role as a convenient and accessible gateway for global travel.
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Customs and Immigration Facilities: Availability and details of customs and immigration services at the airport
Ontario International Airport (ONT), located in Ontario, California, does serve international flights, and as such, it is equipped with customs and immigration facilities to handle arriving international passengers. These facilities are essential for processing travelers entering the United States from abroad, ensuring compliance with federal regulations and security protocols. The airport’s customs and immigration services are managed by U.S. Customs and Border Protection (CBP), which operates a Federal Inspection Station (FIS) on-site. This station is designed to efficiently process passengers, baggage, and cargo arriving on international flights, streamlining the entry process while maintaining security standards.
The customs and immigration facilities at Ontario Airport are available for all international arrivals, typically from destinations in Mexico and other select international locations. Upon disembarking from their flights, passengers are directed to the FIS area, where they undergo inspection and processing. This includes presenting travel documents, such as passports and visas, to CBP officers for verification. Passengers may also be required to declare any goods or items subject to customs duties or restrictions. The process is straightforward, with clear signage and airport staff available to guide travelers through each step, ensuring a smooth and efficient experience.
For departing international passengers, Ontario Airport does not currently offer customs and immigration pre-clearance services, as these are typically available only at specific U.S. airports with direct flights to certain countries. However, passengers departing on international flights from ONT will complete customs and immigration processes upon arrival at their destination country. It is advisable for travelers to check with their airline or destination country’s customs authority for specific requirements and procedures.
The airport’s customs and immigration facilities are equipped with modern technology to enhance security and expedite processing times. Automated Passport Control (APC) kiosks are available for U.S. citizens, Canadian citizens, and eligible Visa Waiver Program travelers, allowing them to complete part of the inspection process electronically before speaking with a CBP officer. This technology reduces wait times and improves overall efficiency, particularly during peak travel periods. Additionally, Global Entry members can utilize dedicated lanes for expedited processing, further streamlining their arrival experience.
Ontario Airport’s commitment to providing robust customs and immigration services reflects its role as a growing international gateway in the region. While the airport’s international flight offerings are currently limited compared to larger hubs, the availability of these facilities ensures that it can effectively handle international traffic and provide a seamless experience for travelers. Passengers are encouraged to arrive early for international flights to allow sufficient time for customs and immigration processing, especially during busy travel seasons. For the most up-to-date information on international flights and customs procedures, travelers should consult the airport’s official website or contact their airline directly.
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Future International Expansions: Planned or proposed international routes and partnerships for Ontario Airport
Ontario International Airport (ONT), located in Southern California, has been steadily growing its presence in the aviation industry, and there is a growing interest in expanding its international reach. Currently, the airport primarily serves domestic destinations, but there are ongoing discussions and plans to introduce international flights, which would significantly enhance its global connectivity. The airport's strategic location, coupled with its capacity for growth, makes it an attractive hub for potential international carriers.
In recent years, the airport authority has been actively engaging with various international airlines to explore new route opportunities. One of the most anticipated developments is the proposed direct flight to Mexico City, a major international hub. This route would not only cater to the large Mexican-American population in the region but also provide a convenient connection for travelers heading to South America. The airport's management has been in talks with several Mexican carriers, including Aeroméxico and Volaris, to make this route a reality, potentially opening up a new gateway for both business and leisure travelers.
Another area of focus for Ontario Airport's international expansion is Asia. The airport has expressed interest in attracting airlines from China and other East Asian countries. With the increasing demand for travel between Southern California and Asia, establishing direct flights to cities like Shanghai, Seoul, or Tokyo could be a game-changer. These routes would not only benefit the local economy by boosting tourism but also facilitate trade and cultural exchange. The airport's ability to handle larger aircraft and its efficient infrastructure make it a viable option for long-haul international flights.
Partnerships with European carriers are also on the horizon. There have been discussions about potential routes to major European cities, such as London, Paris, or Frankfurt. These flights would provide a more direct connection for travelers from the Inland Empire region to Europe, reducing the reliance on connecting through busier airports like Los Angeles International (LAX). By offering these international services, Ontario Airport aims to become a more prominent player in the global aviation network, providing passengers with more convenient travel options.
The airport's expansion plans also include improving facilities to accommodate international arrivals and departures. This involves enhancing customs and border protection services, as well as upgrading terminal amenities to meet the standards expected by international travelers. With these developments, Ontario Airport is positioning itself as a competitive alternative to larger airports in the region, offering a more efficient and passenger-friendly experience for international travel. As these proposed routes and partnerships materialize, Ontario International Airport is set to play a more significant role in connecting Southern California to the world.
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Passenger Statistics for International Travel: Data on international passenger traffic at Ontario Airport
Ontario International Airport (ONT), located in Southern California, has seen significant growth in recent years, but its role in international travel remains limited compared to larger hubs like Los Angeles International Airport (LAX). While ONT does offer some international flights, its primary focus is on domestic travel. According to recent data, the airport’s international passenger traffic constitutes a smaller portion of its overall operations. In 2022, Ontario Airport handled approximately 5.3 million passengers, with only a fraction of those traveling internationally. This highlights the airport’s position as a regional hub primarily serving domestic routes, though efforts to expand international services are ongoing.
Passenger statistics for international travel at Ontario Airport reveal a gradual increase in recent years, driven by the addition of select international routes. As of the latest available data, ONT offers direct flights to Mexico, with destinations such as Guadalajara and Mexico City being the most prominent. These routes are operated by airlines like Volaris and Aeromexico, catering primarily to leisure and business travelers with ties to Mexico. In 2022, international passenger traffic accounted for less than 5% of the airport’s total passenger volume, indicating that while international travel exists, it is not the airport’s primary focus.
The airport’s international passenger numbers are also influenced by seasonal demand, with peak travel periods during holidays and summer months. For instance, flights to Mexico often see higher occupancy rates during December and July, reflecting increased travel for family visits and vacations. Despite this seasonal uptick, the overall volume of international passengers remains modest compared to domestic traffic. This trend underscores the airport’s strategic emphasis on serving local and regional travelers rather than competing directly with larger international hubs.
Efforts to expand international services at Ontario Airport are evident in its infrastructure development and airline partnerships. The airport has invested in improving terminal facilities and customs processing to accommodate more international flights. Additionally, discussions with airlines to add new routes, particularly to Canada and other nearby international destinations, are underway. However, these initiatives are still in their early stages, and significant growth in international passenger traffic is not expected in the immediate future.
In summary, while Ontario Airport does facilitate international travel, its passenger statistics reflect a strong focus on domestic operations. The limited international routes, primarily to Mexico, account for a small percentage of total traffic. As the airport continues to develop its infrastructure and explore new partnerships, there is potential for gradual growth in international passenger numbers. For now, travelers seeking extensive international options still rely heavily on larger airports like LAX, while ONT remains a convenient choice for domestic and select international flights.
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Frequently asked questions
Yes, Ontario International Airport (ONT) offers international flights, primarily to Mexico and other select destinations.
Popular international destinations from Ontario Airport include Guadalajara, Mexico City, and other cities in Mexico, with seasonal or limited flights to other countries.
Yes, there are direct international flights from Ontario Airport, mainly to Mexico, operated by airlines like Volaris and Aeromexico.
Yes, Ontario Airport has a U.S. Customs and Border Protection (CBP) facility to process arriving international passengers.
Airlines such as Volaris, Aeromexico, and occasionally others operate international flights from Ontario Airport, primarily to Mexico.











































