$156 Find Cheap Flights from Ontario to Billings - Compare and Save

In the last 5 days, the lowest price for a flight from Ontario to Billings was $156 for a one-way ticket and $271 for a round-trip.

No, a passport isn't needed to fly from Ontario to Billings. However, local authorities might ask for an official ID.

Ontario airport is called Ontario and the only airport in Billings is Billings Logan Intl.

We unfortunately don’t have that data for this specific route.

oneworld, and SkyTeam are the airline alliances operating flights between Ontario and Billings, with oneworld being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from Ontario to Billings are Alaska Airlines and Delta. With an average price for the route of $619 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $364 and an overall rating of 7.8.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Billings.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Billings from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Billings with an airline and back to Ontario with another airline. Booking your flights between Ontario and BIL can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Billings from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.