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Cheap Flights from Guadalajara to Ontario International

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      Travellers and cabin class, 1 Adult, Economy
      Volaris
      Frontier Airlines

      Compare Guadalajara 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 Guadalajara to Ontario International

      Looking for a cheap last-minute deal or the best return flight from Guadalajara Airport to Ontario International Airport? If you want to travel next month, return fares start from R 4,342. Find the lowest prices on one-way and return tickets right here.
      Ontario.R 2,807 per passenger.Departing Fri, 16 Oct.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Fri, 16 Oct, arriving in Ontario International.Price includes taxes and charges.From R 2,807, select.
      Ontario.R 2,978 per passenger.Departing Tue, 15 Dec.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Tue, 15 Dec, arriving in Ontario International.Price includes taxes and charges.From R 2,978, select.
      Ontario.R 3,239 per passenger.Departing Tue, 15 Sep.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Tue, 15 Sep, arriving in Ontario International.Price includes taxes and charges.From R 3,239, select.
      Ontario.R 3,344 per passenger.Departing Wed, 11 Nov.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Wed, 11 Nov, arriving in Ontario International.Price includes taxes and charges.From R 3,344, select.
      Ontario.R 3,375 per passenger.Departing Thu, 18 Mar.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Thu, 18 Mar, arriving in Ontario International.Price includes taxes and charges.From R 3,375, select.
      Ontario.R 4,227 per passenger.Departing Sat, 10 Apr.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Sat, 10 Apr, arriving in Ontario International.Price includes taxes and charges.From R 4,227, select.
      Ontario.R 5,965 per passenger.Departing Fri, 1 Jan.One-way flight with Volaris.Outbound direct flight with Volaris departs from Guadalajara on Fri, 1 Jan, arriving in Ontario International.Price includes taxes and charges.From R 5,965, select.
      Ontario.R 13,188 per passenger.Departing Fri, 30 Jul.One-way flight with United.Outbound indirect flight with United, departs from Guadalajara on Fri, 30 Jul, arriving in Ontario International.Price includes taxes and charges.From R 13,188, select.

      Find the cheapest month to fly from Guadalajara to Ontario International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Guadalajara to Ontario International flights are currently cheapest in October.
      Sep
      from R 3,239
      Oct
      from R 2,807
      Nov
      from R 3,344
      Dec
      from R 2,978
      Jan
      from R 5,965
      Feb
      Find prices
      Mar
      from R 3,375
      Apr
      from R 4,227
      May
      Find prices
      Jun
      Find prices
      Jul
      from R 13,188
      Aug
      Find prices

      Direct flights from Guadalajara to Ontario International

      Frontier Airlines
      Volaris

      Guadalajara to Ontario International: Alternative routes

      Compare routes from Guadalajara 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 R 2,807
      Search flights

      San Bernardino Norton AFB

      39km from central Ontario
      from R 4,330
      Search flights

      Santa Ana John Wayne

      48km from central Ontario
      from R 3,065
      Search flights

      Long Beach Municipal

      54km from central Ontario
      from R 3,674
      Search flights

      Hawthorne

      65km from central Ontario
      from R 10,570
      Search flights

      Burbank

      67km from central Ontario
      from R 3,033
      Search flights

      Los Angeles International

      71km from central Ontario
      Cheapest
      from R 2,183
      Search flights

      Guadalajara to Ontario: Flight information

      The things to know before you go.
      Cheapest flight foundR 2,807
      Cheapest month to flyOctober
      Average flight time3 hrs, 12 mins
      Most popular airlineVolaris
      Average flights per week22

      Finding cheap flights from Guadalajara to Ontario International: Frequently asked questions

      The best price we found for a return flight from Guadalajara to Ontario International is R 4,342. 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.
      3 hours and 12 minutes is the average flight time from Guadalajara to Ontario International.
      Volaris and Frontier Airlines fly direct from Guadalajara to Ontario International.
      As of September 2026, there are 22 flights per week flying from Guadalajara to Ontario International.
      The cheapest month to fly from Guadalajara to Ontario International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Guadalajara Airport to Ontario International Airport on Tuesday, 20 October 2026.
      Yes – the average flight time is 3 hours and 12 minutes.
      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.

      Currently, Volaris offers the cheapest flight tickets to Ontario International.

      Travelling from Guadalajara Airport (GDL) to Ontario International Airport (ONT): what you need to know

      • Around 3 hours is how long you can expect to be in the air on a direct flight from Guadalajara Airport to Ontario International Airport.

      • Ontario's timezone is UTC-8, which makes Ontario two hours behind Guadalajara.

      • You can choose from 14 weekly Guadalajara Airport to Ontario International Airport flights.

      • Arrive at the airport on time so you don't miss your GDL to ONT flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

      • Flying during a peak time such as July? School holidays and other popular periods can lead to longer queues and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.

      • Travelling to Ontario (and then discovering more of the United States!) is a cinch with Volaris. This popular carrier offers direct flights from Guadalajara Airport to Ontario International Airport.

      • The majority of passengers choose to travel with Volaris on this route.

      • With 76.67% of services landing as planned, Volaris is the most punctual carrier offering GDL to ONT flights.

      • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Guadalajara Airport to Ontario International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Stopovers between GDL and ONT include:

        • Dallas Fort Worth International Airport

        • Houston George Bush Intercntl. Airport

        • Phoenix Sky Harbour Airport

      How to find the cheapest flights from Guadalajara Airport (GDL) to Ontario International Airport (ONT)

      • The cheapest price we've seen for a one-way Guadalajara Airport to Ontario International Airport flight is R 2,807. A return ticket right now is R 4,342. Depending on the availability when you book, these fares could change.

      • To get cheap tickets from GDL to ONT, book your journey one month before your departure.

      • Schedule your trip for June. That's the cheapest month for flights from Guadalajara Airport to Ontario International Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest price across every month.

      • You won't have to check every day to see if fares have gone down when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from GDL to ONT.

      • Lock in the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Guadalajara Airport to Ontario International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

      Handy information about Guadalajara Airport (GDL)

      • When it comes to the on-time performance of Guadalajara Airport, data shows 77% of flights arrive within the expected timeframe.

      • To reach Guadalajara Airport from central Guadalajara, it'll take about 25 minutes if you're planning to drive. This depends on traffic, however. It's approximately 16 kilometres from the airport to the city centre.

      • The journey on public transport takes about 45 minutes.

      • Booked an early flight from Guadalajara Airport to Ontario International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near GDL:

      Arriving at Ontario International Airport (ONT)

      When to fly to Ontario International Airport (ONT)

      • The quietest month for a flight from Guadalajara Airport to Ontario International Airport is March, while July is the most popular. Choose the best time to go to Ontario based on whether you prefer a more fast-paced or easygoing experience.

      • When reserving your flight from Guadalajara Airport to Ontario International Airport, consider the kind of weather you enjoy. August is the warmest month in Ontario, with temperatures ranging from 16ºC (61ºF) to 36ºC (97ºF).

      • If you like cooler conditions, search for a cheap ticket from GDL to ONT in February. Average temperatures are between 4ºC (39ºF) and 24ºC (75ºF) then.

      Explore more of the United States

      • Ontario has loads to offer, but there are so many other parts of the United States just waiting to be explored. Around 56 kilometres west of Ontario, a visit to Los Angeles will keep you on the go. Start with leading attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • If you're ready to explore another major destination in the United States, head for San Diego, about 153 kilometres south of Ontario. San Diego Zoo, San Diego Balboa Park and USS Midway Museum are key highlights.

      Plan the rest of your trip from Guadalajara to Ontario

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