Skyscanner home

265 € Cheap Flights from Ontario International to Pittsburgh International

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy

      Compare Ontario International to Pittsburgh International flight deals

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

      Book the best Pittsburgh International fare with no extra fees

      Flight deals from Ontario International to Pittsburgh International

      Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Pittsburgh International Airport? If you want to travel next month, return fares start from 289 €. Find the lowest prices on one-way and return tickets right here.
      Pittsburgh.265 € per passenger.Departing Sat, 7 Nov, returning Wed, 11 Nov.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Sat, 7 Nov, arriving in Pittsburgh International.Inbound indirect flight with United, departs from Pittsburgh International on Wed, 11 Nov, arriving in Ontario International.Price includes taxes and charges.From 265 €, select.
      Pittsburgh.269 € per passenger.Departing Wed, 2 Dec, returning Wed, 9 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 2 Dec, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Wed, 9 Dec, arriving in Ontario International.Price includes taxes and charges.From 269 €, select.
      Pittsburgh.271 € per passenger.Departing Tue, 15 Dec, returning Tue, 5 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 15 Dec, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Tue, 5 Jan, arriving in Ontario International.Price includes taxes and charges.From 271 €, select.
      Pittsburgh.272 € per passenger.Departing Tue, 23 Feb, returning Tue, 2 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 23 Feb, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Tue, 2 Mar, arriving in Ontario International.Price includes taxes and charges.From 272 €, select.
      Pittsburgh.289 € per passenger.Departing Thu, 22 Oct, returning Sat, 24 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 22 Oct, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Sat, 24 Oct, arriving in Ontario International.Price includes taxes and charges.From 289 €, select.
      Pittsburgh.306 € per passenger.Departing Sat, 31 Oct, returning Sat, 7 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Sat, 31 Oct, arriving in Pittsburgh International.Inbound indirect flight with Delta, departs from Pittsburgh International on Sat, 7 Nov, arriving in Ontario International.Price includes taxes and charges.From 306 €, select.
      Pittsburgh.328 € per passenger.Departing Thu, 12 Nov, returning Tue, 1 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 12 Nov, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Tue, 1 Dec, arriving in Ontario International.Price includes taxes and charges.From 328 €, select.
      Pittsburgh.344 € per passenger.Departing Fri, 22 Jan, returning Fri, 22 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 22 Jan, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Fri, 22 Jan, arriving in Ontario International.Price includes taxes and charges.From 344 €, select.
      Pittsburgh.347 € per passenger.Departing Tue, 23 Feb, returning Sun, 28 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Tue, 23 Feb, arriving in Pittsburgh International.Inbound indirect flight with Delta, departs from Pittsburgh International on Sun, 28 Feb, arriving in Ontario International.Price includes taxes and charges.From 347 €, select.
      Pittsburgh.391 € per passenger.Departing Fri, 23 Oct, returning Fri, 22 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 23 Oct, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Fri, 22 Jan, arriving in Ontario International.Price includes taxes and charges.From 391 €, select.
      Pittsburgh.396 € per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Frontier Airlines and Southern Airways Express.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 30 Sep, arriving in Pittsburgh International.Inbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Sun, 4 Oct, arriving in Ontario International.Price includes taxes and charges.From 396 €, select.
      Pittsburgh.414 € per passenger.Departing Fri, 9 Apr, returning Fri, 23 Apr.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Fri, 9 Apr, arriving in Pittsburgh International.Inbound indirect flight with United, departs from Pittsburgh International on Fri, 23 Apr, arriving in Ontario International.Price includes taxes and charges.From 414 €, select.
      Pittsburgh.414 € per passenger.Departing Wed, 31 Mar, returning Wed, 7 Apr.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Wed, 31 Mar, arriving in Pittsburgh International.Inbound indirect flight with United, departs from Pittsburgh International on Wed, 7 Apr, arriving in Ontario International.Price includes taxes and charges.From 414 €, select.
      Pittsburgh.418 € per passenger.Departing Fri, 14 May, returning Fri, 28 May.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Fri, 14 May, arriving in Pittsburgh International.Inbound indirect flight with United, departs from Pittsburgh International on Fri, 28 May, arriving in Ontario International.Price includes taxes and charges.From 418 €, select.
      Pittsburgh.419 € per passenger.Departing Sat, 24 Apr, returning Wed, 12 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 24 Apr, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Wed, 12 May, arriving in Ontario International.Price includes taxes and charges.From 419 €, select.
      Pittsburgh.424 € per passenger.Departing Wed, 17 Mar, returning Wed, 24 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 17 Mar, arriving in Pittsburgh International.Inbound indirect flight with Southwest Airlines, departs from Pittsburgh International on Wed, 24 Mar, arriving in Ontario International.Price includes taxes and charges.From 424 €, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Ontario International to Pittsburgh International found in the last 4 days, and are subject to change and availability.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Pittsburgh International flights are currently cheapest in November.
      Sep
      from 890 €
      Oct
      from 289 €
      Nov
      from 265 €
      Dec
      from 269 €
      Jan
      from 344 €
      Feb
      from 347 €
      Mar
      from 424 €
      Apr
      from 414 €
      May
      from 418 €
      Jun
      from 509 €
      Jul
      Find prices
      Aug
      Find prices

      Ontario International to Pittsburgh International: Alternative routes

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

      Pittsburgh International

      21km from central Pittsburgh
      ClosestCheapest
      from 265 €
      Search flights

      Latrobe

      54km from central Pittsburgh
      Search flights

      Morgantown

      89km from central Pittsburgh
      from 911 €
      Search flights

      Ontario to Pittsburgh: Flight information

      The things to know before you go.
      Cheapest flight found265 €
      Cheapest month to flyNovember

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

      The best price we found for a return flight from Ontario International to Pittsburgh International is 265 €. 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 Pittsburgh International. But we found flights with one or more stops from 265 €.
      As of September 2026, there are no flights flying from Ontario International to Pittsburgh International.
      The cheapest month to fly from Ontario International to Pittsburgh International is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Pittsburgh International Airport on Saturday, 7 November 2026.
      No airlines currently offer direct flights between Ontario International Airport and Pittsburgh 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 Pittsburgh 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 Pittsburgh is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, United offers the cheapest flight tickets to Pittsburgh International.

      Flying from Ontario International Airport (ONT) to Pittsburgh International Airport (PIT): what you need to know

      • The timezone in Pittsburgh is UTC-5, which is three hours ahead of Ontario.

      • Your ONT to PIT flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • Be prepared for longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

      • If you'd like to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Pittsburgh International Airport. These are the most popular stopovers between ONT and PIT:

        • Denver International Airport

        • Phoenix Sky Harbour Airport

        • Nashville Airport

      How to find the cheapest flights from Ontario International Airport (ONT) to Pittsburgh International Airport (PIT)

      • Right now, 134 € is the cheapest price we've found for a one-way Ontario International Airport to Pittsburgh International Airport flight. The best price for a return plane ticket is 265 €. Keep in mind that fares can change due to availability at the time of booking.

      • To find cheap tickets from ONT to PIT, book ahead. Airlines generally offer lower prices when flights are first made available.

      • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll show you the cheapest price in every month when searching for a flight from Ontario International Airport to Pittsburgh International Airport.

      • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update as soon as there's a new deal on cheap flights from ONT to PIT.

      • Select your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Ontario International Airport to Pittsburgh International Airport.

      Handy information about Ontario International Airport (ONT)

      • ONT is located at 2900 E. Airport Drive.

      • 83% of flights leaving Ontario International Airport land at their destination as planned. Given its strong on-time performance, you're unlikely to be delayed when jetting out of ONT.

      • Ontario International Airport is around 10 kilometres from central Ontario. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

      • The journey on public transport takes about 45 minutes.

      • Get your break off to a leisurely start by staying near ONT. Whether you're taking an early flight from Ontario International Airport to Pittsburgh International Airport or just don't want to be rushed, these stays are perfect:

      Arriving at Pittsburgh International Airport (PIT)

      Getting from Pittsburgh International Airport (PIT) to central Pittsburgh

      • The street address for PIT is 1000 Airport Boulevard.

      • Pittsburgh International Airport is approximately 32 kilometres from central Pittsburgh. The drive time takes about 30 minutes.

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

      When to fly to Pittsburgh International Airport (PIT)

      • It's time to pick your travel dates for your flight from Ontario International Airport to Pittsburgh International Airport. July is the busiest month to head to Pittsburgh. If you prefer a more low-key vibe, go in March.

      • Book your flight from Ontario International Airport to Pittsburgh International Airport for July if you'd like to go to Pittsburgh during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 31ºC (88ºF).

      • Look for cheap tickets from ONT to PIT in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC (14ºF) and 6ºC (43ºF) on average.

      Explore more of the United States

      • You've done Pittsburgh, now it's time to discover more of the United States. Travel about 418 kilometres east to Philadelphia to check off its leading attractions. From Independence Hall to Liberty Bell and Philadelphia Museum of Art, you've got a jam-packed schedule ahead.

      • Around 257 kilometres west of Pittsburgh, Columbus is another favourite stop in the United States. Experience this destination's highlights firsthand at Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

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