Cheap Flights from Ontario International to Tucson International

Compare Ontario International to Tucson International flight deals

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

Book the best Tucson International fare with no extra fees

Flight deals from Ontario International to Tucson International

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Tucson International Airport? If you want to travel next month, return fares start from Rs82,072. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ontario International to Tucson International

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

Ontario International to Tucson International: Alternative routes

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

Ontario to Tucson: Flight information

The things to know before you go.
Cheapest flight foundRs38,865
Cheapest month to flyJune

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

The best price we found for a return flight from Ontario International to Tucson International is Rs64,667. 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 Tucson International. But we found flights with one or more stops from Rs64,667.
As of May 2026, there are no flights flying from Ontario International to Tucson International.
The cheapest month to fly from Ontario International to Tucson International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Tucson International Airport on Wednesday, 2 September 2026.
No airlines currently offer direct flights between Ontario International Airport and Tucson 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 Tucson 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 Tucson 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 Tucson International.

Flying from Ontario International Airport (ONT) to Tucson International Airport (TUS): what you need to know

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

  • Travelling during a peak month like August? Major public holidays and other popular seasons can lead to longer queues and delays at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Ontario International Airport to Tucson International Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here are some options between ONT and TUS:

    • Phoenix Sky Harbour International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • San Francisco International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Tucson International Airport (TUS)

  • Rs38,865 is currently the best price for a one-way Ontario International Airport to Tucson International Airport flight. Return flights start at Rs64,667. These prices can change depending on availability and demand.

  • To find cheap tickets from ONT to TUS, book early. Airlines generally offer lower fares when flights are first made available.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price in every month when searching for your flight from Ontario International Airport to Tucson International Airport.

  • Cut down on the time spent looking for cheap flights from ONT to TUS by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Ontario International Airport to Tucson International Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • 83.6% of flights departing from Ontario International Airport arrive at their destination on schedule. Given its dependable on-time performance, delays are unlikely when jetting out of ONT.

  • To get to Ontario International Airport from central Ontario, it'll take about 10 minutes if you're planning to drive. This depends on traffic though. It's approximately 6 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 1 hour 30 minutes.

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

Arriving at Tucson International Airport (TUS)

Getting from Tucson International Airport (TUS) to central Tucson

  • The street address for TUS is 7005 South Plumer Ave..

  • Tucson International Airport is approximately 21 kilometres from central Tucson. The drive time takes about 20 minutes.

  • Travelling to the centre on public transport takes around 3 hours 5 minutes.

When to fly to Tucson International Airport (TUS)

  • October is the most popular month for flights from Ontario International Airport to Tucson International Airport. To steer clear of the crowds, go to Tucson in May.

  • Book your flight from Ontario International Airport to Tucson International Airport for June if you'd like to visit Tucson during its warmest month. Expect temperatures of between 19ºC and 38ºC.

  • For cooler conditions, look for a cheap ticket from ONT to TUS in January. Temperatures average between 2ºC and 20ºC then.

Explore more of United States

  • You've visited Tucson, now it's time to explore other parts of United States. Journey about 161 kilometres north-west to Phoenix to tick off its must-visit sights. From Desert Botanical Garden to Heard Museum and Papago Park, you'll have a packed itinerary ahead.

  • El Paso is another must-experience destination in United States and is around 434 kilometres east of Tucson. No journey is complete without seeing Franklin Mountains State Park, Wyler Aerial Tramway and Chamizal National Memorial.

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