Cheap Flights from Ontario International to Havana

Compare Ontario International to Havana flight deals

Find the cheapest month or even day of the year to fly to Havana

Book the best Havana fare with no extra fees

Flight deals from Ontario International Airport to Havana Airport

Looking for a cheap last-minute deal or the best return flight from Ontario International to Havana? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ontario International to Havana

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Havana flights are currently cheapest in March.

Ontario International to Havana: Alternative routes

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

Ontario to Havana: Flight information

The things to know before you go.
Cheapest flight found$648
Cheapest month to flyApril

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

The best price we found for a return flight from Ontario International to Havana is $648. 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 Ontario International to Havana. But we found flights with one or more stops from $647.
As of January 2026, there are no flights flying from Ontario International to Havana.
The cheapest month to fly from Ontario International to Havana is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Havana Airport on Tuesday, 28 April 2026.
No airlines currently offer direct flights between Ontario International Airport and Havana 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 Havana 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 Havana is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to Havana.

Travelling from Ontario International Airport (ONT) to Jose Marti International Airport (HAV): what you need to know

  • The timezone in Havana is UTC-4, which is three hours ahead of Ontario.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your ONT to HAV flight.

  • You can expect longer queues in popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • If you'd love to check out another city along the way, look for a flight with a stopover. To see your options for tickets from Ontario International Airport to Jose Marti International Airport, deselect 'Direct flights only.' George Bush Intercontinental Airport is a popular stop between ONT and HAV.

How to find the cheapest flights from Ontario International Airport (ONT) to Jose Marti International Airport (HAV)

  • The lowest price we've found for a one-way Ontario International Airport to Jose Marti International Airport flight is $306. A return fare right now is $647. Depending on the availability when you book, these fares could change.

  • It's usually smart to book as early as possible if you want to get cheap tickets from ONT to HAV. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Ontario International Airport to Jose Marti International Airport is more likely if you can be flexible with your dates. Use the 'Whole month' function to see the lowest fares across the month and snap up a great deal.

  • You won't have to check every day to see if fares have dropped when you set up a Price Alert. We'll send you an update the moment there's a change in price on cheap flights from ONT to HAV.

  • Tailor your flights with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Ontario International Airport to Jose Marti International Airport.

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • 83.6% of flights leaving Ontario International Airport touch down at their destination as planned. Given its reliable on-time performance, you're unlikely to experience delays when jetting out of ONT.

  • Central Ontario to Ontario International Airport is around 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Taking public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Booked an early flight from Ontario International Airport to Jose Marti International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near ONT:

Arriving at Jose Marti International Airport (HAV)

Getting from Jose Marti International Airport (HAV) to central Havana

  • Jose Marti International Airport is roughly 16 kilometres from central Havana. Driving there takes about 30 minutes.

When to fly to Jose Marti International Airport (HAV)

  • The quietest month for a flight from Ontario International Airport to Jose Marti International Airport is April, while August is the most popular. Pick the ideal time to go to Havana based on whether you prefer a more relaxed vibe or a faster pace.

  • Book your flight from Ontario International Airport to Jose Marti International Airport for July if you'd like to visit Havana during its warmest month. You can expect temperatures of between 23ºC and 35ºC.

  • January sees average temperatures of between 17ºC and 28ºC. Look for cheap tickets from ONT to HAV around that time if you want to travel when it's cooler.

Explore more of Cuba

  • You've visited Havana, now it's time to discover other corners of Cuba. Travel around 499 kilometres east to Camaguey to tick off its top attractions. From Iglesia de Nuestra Senora de la Merced to Plaza del Carmen and Museo Casa Natal de Carlos J. Finlay, you'll have a packed itinerary ahead.

  • If you're ready to explore another major stop in Cuba, head for Santa Clara, about 257 kilometres east of Havana. Che Guevara Mausoleum, Monumento a la Toma del Tren Blindado and Parque Leoncio Vidal are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.