Cheap flights from Ontario (ONT) to Shannon (SNN) from $679

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 21 days in advance, which can save you up to 116% on flights from Ontario to Shannon compared to booking the week you need them. Waiting 21 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,206. For sooner than that we have options available in the next 3 days from $2,100.

Our data shows that April tends to be the cheapest month to fly to Shannon from Ontario. Users have commonly found prices around $997 for the month, but tickets can be as low as $493. Due to multiple factors, prepare for potentially higher prices in August.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Shannon as you normally would.

Yes, there are multiple flights from Ontario to Shannon for under $1,000. The cheapest flight booked recently is on British Airways for just $924, but on average you can expect to pay $1,554.

There are currently 3+ open flights from Ontario to Shannon within the next 7 days for less than $2,200.

The cheapest airlines for a one-way flight from Ontario to Shannon are United Airlines ($679), British Airways ($1,355), and American Airlines ($1,908).

ONT stands for Ontario Airport, while SNN stands for Shannon Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.