1 Adult (Economy)
  • Economy
  • - + 12+
  • - + 2-11
  • - + <2 (on lap)
  • Done

Cheap Flights to Ontario, United States (USA). Return Flights.

Here are the cheapest airfare deals to Ontario. View Flights to United States (USA)

Route Cheapest Adult Fare
Adelaide (ADL) to Ontario$1253Select

Did you know...

  • The cheapest flight from Adelaide to Ontario is $845.
  • Tijuana in Mexico is the closest international airport to Ontario.
  • 37 hrs 5 mins is the longest flight from Melbourne (Tullamarine) to Ontario.

What people are saying about Ontario right now:

Swoop flights out of Hamilton cancelled, delayed due to bad weather - Global News
Twitter: From user 'Steve Portigal ????????'
@shadowymaus You’re in Ontario! You’re going elsewhere in Ontario. GO Transit! (Teasing you but also wow multiple flights yuck)
Twitter: From user 'lexi'
After not explaining anything to the passengers, we were r told we’d “probably” miss our connection. However,… https://t.co/dpP2p6sKGI
Twitter: From user 'Loreo'
RT @FlySwoop: Update: Extreme weather in Southern Ontario has resulted in the cancellation of two additional flights (WO800 & WO701) We sin…
Twitter: From user 'FlySwoop'
Update: Extreme weather in Southern Ontario has resulted in the cancellation of two additional flights (WO800 & WO7… https://t.co/9B27orL8me
Twitter: From user 'NewsTalk 610 CKTB'
NEWS | Swoop cancelling several flights in Southern Ontario due to weather. Details: https://t.co/2jaPgrFfPp https://t.co/0ACWMVUsQx

Airlines that fly to Ontario :