Cheap flights from Ontario to Cleveland from $147 ONT → CLE

Found recently, and the cheapest we hold

What have prices looked like?

Over 42 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $232 to $580.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 21 Sept 2027 to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $357.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 29 days, 4 Oct to 11 Nov, the cheapest one-way we saw each day was $122 to $259.

29 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 28 Jan 2027 to compare.

Every date we hold

2 fares on 2 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $147.

Return

The cheapest fares were 30 to 59 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (42 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 60 to 89 days before departure were typically 38% lower than 30 to 59 days before departure.

From the cheapest one-way each day between 4 Oct and 11 Nov (29 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Ontario to Cleveland?

The cheapest return found recently is $483 with Alaska Airlines, 21 Sept 2027 to 24 Sept 2027, found 2 days ago. The cheapest return we hold, of any age, is $357 with Southwest Airlines, 10 Dec to 13 Dec, found 6 days ago. The cheapest return fare on each of 3 departure dates is usually $393 to $456.

How much is a one-way flight from Ontario to Cleveland?

The cheapest one-way found recently is $147 with Frontier Airlines, 28 Jan 2027, found 6 days ago.

What is the cheapest month to fly from Ontario to Cleveland?

December 2026 is the cheapest month for a return, from $357, 10 Dec to 13 Dec, found 6 days ago. January 2027 is the cheapest month for a one-way, from $147, 28 Jan 2027, found 6 days ago.

How far ahead should I book a flight from Ontario to Cleveland?

In 42 days of prices between 24 Sept and 11 Nov, return fares were cheapest 30 to 59 days before departure. In 29 days of prices between 4 Oct and 11 Nov, one-way fares 60 to 89 days before departure were typically 38% lower than 30 to 59 days before departure.

How long is the flight from Ontario to Cleveland?

The cheapest one-way found recently, with Frontier Airlines on 28 Jan 2027, takes 7 h 34 min with 1 stop.

Which airlines have the cheapest flights from Ontario to Cleveland?

Between 20 Nov and 21 Sept 2027, Frontier Airlines has the cheapest return on 1 of the 3 departure dates we hold, Southwest Airlines on 1 and Alaska Airlines on 1.