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Cheap Flights from Mexico City (MEXA) to Ontario (ONT)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Mexico City to Ontario International flight deals

      Find the cheapest month or even day of the year to fly to Ontario International

      Book the best Ontario International fare with no extra fees

      Flight deals from Mexico City to Ontario International

      Looking for a cheap last-minute deal or the best return flight from Mexico City to Ontario International Airport? If you want to travel next month, return fares start from $438. Find the lowest prices on one-way and return tickets right here.
      Ontario.$437 per passenger.Departing Wed, 23 Sep, returning Wed, 7 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Mexico City Juarez International on Wed, 23 Sep, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 7 Oct, arriving in Mexico City Juarez International.Price includes taxes and charges.From $437, select.
      Ontario.$438 per passenger.Departing Tue, 13 Oct, returning Tue, 20 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Mexico City Juarez International on Tue, 13 Oct, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 20 Oct, arriving in Mexico City Juarez International.Price includes taxes and charges.From $438, select.
      Ontario.$468 per passenger.Departing Sat, 24 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Mexico City Juarez International on Sat, 24 Oct, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 4 Nov, arriving in Mexico City Juarez International.Price includes taxes and charges.From $468, select.
      Ontario.$502 per passenger.Departing Thu, 24 Sep, returning Mon, 28 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Mexico City Juarez International on Thu, 24 Sep, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 28 Sep, arriving in Mexico City Juarez International.Price includes taxes and charges.From $502, select.
      Ontario.$527 per passenger.Departing Wed, 11 Nov, returning Wed, 25 Nov.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Felipe Angeles International on Wed, 11 Nov, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Wed, 25 Nov, arriving in Felipe Angeles International.Price includes taxes and charges.From $527, select.
      Ontario.$548 per passenger.Departing Mon, 18 Jan, returning Mon, 25 Jan.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Felipe Angeles International on Mon, 18 Jan, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Mon, 25 Jan, arriving in Felipe Angeles International.Price includes taxes and charges.From $548, select.
      Ontario.$567 per passenger.Departing Tue, 22 Dec, returning Sun, 3 Jan.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Felipe Angeles International on Tue, 22 Dec, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Sun, 3 Jan, arriving in Felipe Angeles International.Price includes taxes and charges.From $567, select.
      Ontario.$578 per passenger.Departing Thu, 10 Dec, returning Sun, 13 Dec.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Mexico City Juarez International on Thu, 10 Dec, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Sun, 13 Dec, arriving in Mexico City Juarez International.Price includes taxes and charges.From $578, select.
      Ontario.$593 per passenger.Departing Mon, 1 Feb, returning Sun, 28 Feb.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Mexico City Juarez International on Mon, 1 Feb, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Sun, 28 Feb, arriving in Mexico City Juarez International.Price includes taxes and charges.From $593, select.
      Ontario.$616 per passenger.Departing Mon, 2 Nov, returning Mon, 14 Dec.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Felipe Angeles International on Mon, 2 Nov, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Mon, 14 Dec, arriving in Felipe Angeles International.Price includes taxes and charges.From $616, select.
      Ontario.$741 per passenger.Departing Tue, 18 May, returning Mon, 24 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Mexico City Juarez International on Tue, 18 May, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Mon, 24 May, arriving in Mexico City Juarez International.Price includes taxes and charges.From $741, select.
      Ontario.$826 per passenger.Departing Fri, 29 Jan, returning Sat, 6 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Mexico City Juarez International on Fri, 29 Jan, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Sat, 6 Feb, arriving in Mexico City Juarez International.Price includes taxes and charges.From $826, select.
      Ontario.$891 per passenger.Departing Fri, 26 Mar, returning Tue, 13 Apr.Return flight with Volaris.Outbound indirect flight with Volaris, departs from Mexico City Juarez International on Fri, 26 Mar, arriving in Ontario International.Inbound indirect flight with Volaris, departs from Ontario International on Tue, 13 Apr, arriving in Mexico City Juarez International.Price includes taxes and charges.From $891, select.

      Find the cheapest month to fly from Mexico City to Ontario International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Mexico City to Ontario International flights are currently cheapest in October.
      Sep
      from $502
      Oct
      from $438
      Nov
      from $527
      Dec
      from $578
      Jan
      from $548
      Feb
      from $593
      Mar
      Find prices
      Apr
      Find prices
      May
      from $741
      Jun
      Find prices
      Jul
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      Aug
      Find prices

      Mexico City to Ontario International: Alternative routes

      Compare routes from Mexico City to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

      Ontario International

      4km from central Ontario
      Closest
      from $437
      Search flights

      San Bernardino Norton AFB

      39km from central Ontario
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      Santa Ana John Wayne

      48km from central Ontario
      from $779
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      Long Beach Municipal

      54km from central Ontario
      from $963
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      Hawthorne

      65km from central Ontario
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      Burbank

      67km from central Ontario
      from $736
      Search flights

      Los Angeles International

      71km from central Ontario
      Cheapest
      from $309
      Search flights

      Mexico City to Ontario: Flight information

      The things to know before you go.
      Cheapest flight found$437
      Cheapest month to flySeptember

      Finding cheap flights from Mexico City to Ontario International: Frequently asked questions

      The best price we found for a return flight from Mexico City to Ontario International is $437. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Mexico City to Ontario International. But we found flights with one stop from $437.
      As of September 2026, there are no flights flying from Mexico City to Ontario International.
      The cheapest month to fly from Mexico City to Ontario International is usually September.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Mexico City to Ontario International Airport on Wednesday, 23 September 2026.
      No airlines currently offer direct flights between Mexico City and Ontario International Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.

      The cheapest airline that flies to Ontario International is Frontier Airlines .

      Travelling from Mexico City to Ontario International Airport (ONT): What you need to know

      • Ontario is two hours behind Mexico City. Ontario International Airport is located in Ontario, which follows the UTC-8 timezone.

      • Your flight from Mexico City to ONT won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

      • During popular months such as September, you'll want to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during peak periods in general.

      Airports in Mexico City

      Mexico City Benito Juarez International Airport (MEX)

      • We make it a breeze to book cheap flights from Mexico City to ONT with a stopover. To explore your options leaving from Mexico City Benito Juarez International Airport (MEX), deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Major stopovers between MEX and ONT include:

        • Houston George Bush Intercontinental Airport (IAH)

        • Phoenix Sky Harbour International Airport (PHX)

        • Las Vegas Harry Reid International Airport (LAS)

      • Located around 13 kilometres from central Mexico City, MEX can be reached in about 30 minutes by car (depending on traffic). The journey on public transport is roughly 40 minutes.

      • Want a hassle-free start to your holiday? Stay near Mexico City Benito Juarez International Airport. Whether you're boarding an early flight from Mexico City to Ontario International Airport or prefer not to feel hurried, these hotels are just the thing:

      • Mexico City Benito Juarez International Airport gets high marks for its on-time performance. 84% of flights that take off from MEX arrive at their destination as scheduled.

      Mexico City Felipe Angeles International Airport (NLU)

      • On public transport, you can travel from central Mexico City to NLU in around 2 hours. The airport is roughly 56 kilometres away, and making the journey by car takes approximately 55 minutes.

      • It's your holiday, so why not book an extra night away at a hotel close to Mexico City Felipe Angeles International Airport? Before your Mexico City to ONT flight, treat yourself to a stay at Verticca Hotel.

      • 76% of all departures from Mexico City Felipe Angeles International Airport meet their expected arrival time.

      About Ontario International Airport (ONT)

      Getting from Ontario International Airport (ONT) to central Ontario

      • From Ontario International Airport, central Ontario is around 10 kilometres away. It takes about 15 minutes to reach the city centre by car.

      • It typically takes 45 minutes if you're travelling on public transport.

      How to find the cheapest flights from Mexico City to Ontario International Airport (ONT)

      • The cheapest price we've found for a one-way ticket from Mexico City to Ontario International Airport is $222. For a return flight on this route, the best price is $437. Depending on the availability and when you book, these fares could change.

      • Booking early is often the key to scoring a cheap flight from Mexico City to ONT. Fares tend to rise as demand increases, so the closer you get to departure, the more expensive your ticket may be.

      • Affordable Mexico City to Ontario International Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' search tool to compare fares across each month and then pick the cheapest day.

      • Spend less time searching for cheap plane tickets from Mexico City to ONT by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

      • Find a cheap flight from Mexico City to Ontario International Airport by using filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

      The best time to fly from Mexico City to Ontario International Airport (ONT)

      • It's time to figure out your travel dates for your flight from Mexico City to Ontario International Airport (ONT). July is when most people travel to Ontario. If you're all about a more relaxed kind of trip, think about going in December.

      • The warmest month in Ontario is August, with temperatures ranging between 16ºC (61ºF) and 36ºC (97ºF). Book your Mexico City to ONT plane ticket then if that's your definition of good weather.

      • February has temperatures of between 4ºC (39ºF) and 24ºC (75ºF). Look for cheap tickets from Mexico City to Ontario International Airport around that time if you like cooler conditions.

      More about Ontario

      Explore more of the United States

      • Ontario has plenty to offer, but there are so many other parts of the United States you'll want to see. Around 153 kilometres south of Ontario, a visit to San Diego will keep your itinerary busy. Start with leading attractions like San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

      • If you want to check out another side of the United States, consider Bakersfield, about 193 kilometres northwest of Ontario. Kern County Museum, Rabobank Arena, Theatre & Convention Centre and Bakersfield Museum of Art are key reasons to visit.

      Plan smart, explore more

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      Plan the rest of your trip from Mexico City to Ontario

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.