Cheap flights from Ontario to Salt Lake City from $82 ONT → SLC

Found recently, and the cheapest we hold

What have prices looked like?

Over 48 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $84 to $237.

At $318, the cheapest return found recently is above that range.

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

Could nearby dates be cheaper?

We hold no other 1-night return fares leaving within 3 days of 20 Nov to compare.

Every date we hold

2 fares on 2 departure dates

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 36 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $66 to $141.

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 4 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $82.

Return

Fares 14 to 29 days before departure were typically 53% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (48 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 12% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (36 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 Salt Lake City?

The cheapest return found recently is $318 with Frontier Airlines, 20 Nov to 21 Nov, found 2 days ago. The cheapest return we hold, of any age, is $217 with Frontier Airlines, 24 Nov to 26 Nov, found 4 days ago.

How much is a one-way flight from Ontario to Salt Lake City?

The cheapest one-way found recently is $82 with Frontier Airlines, 4 Dec, found 7 days ago. The cheapest one-way fare on each of 3 departure dates is usually $114 to $245.

What is the cheapest month to fly from Ontario to Salt Lake City?

December 2026 is the cheapest month for a one-way, from $82, 4 Dec, found 7 days ago.

How far ahead should I book a flight from Ontario to Salt Lake City?

In 48 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 53% lower than 0 to 6 days before departure. In 36 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 12% lower than 14 to 29 days before departure.

How long is the flight from Ontario to Salt Lake City?

The cheapest one-way found recently, with Frontier Airlines on 4 Dec, takes 4 h 12 min with 1 stop.

Which airlines have the cheapest flights from Ontario to Salt Lake City?

Between 4 Dec and 2 Jul 2027, Frontier Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and Alaska Airlines on 1.