Cheap flights from Ontario to Salt Lake City

One-way fares from $64 · ONT → SLC · prices found by travellers in the last 48 hours

Compare all dates Salt Lake City → Ontario
Cheapest fare
$64

Frontier Airlines · Thu, Dec 3

Cheapest month
December

from $64

Direct flights
Yes

Southwest Airlines

Flight time
3h 45m

900 km

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Cheapest month to fly from Ontario to Salt Lake City

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $135
  2. December 2026 Cheapest $64
  3. January 2027 $66
  4. April 2027 $215

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Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

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Getting around

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About flights from Ontario to Salt Lake City

Ontario (ONT) and Salt Lake City (SLC) are about 900 km apart. Direct flights take around 3h 45m, and recent direct fares were with Southwest Airlines. Over the next few months, one-way fares start from $64, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

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

The cheapest one-way fare we've seen recently is $64 with Frontier Airlines, departing Thursday, December 3, 2026. Over the coming months, the lowest fare in each month ranges from $64 to $215.

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

December 2026 currently has the lowest fares, from $64 one way.

Are there direct flights from Ontario to Salt Lake City?

Yes. Recent direct fares were with Southwest Airlines.

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

A direct flight takes about 3h 45m. Ontario and Salt Lake City are around 900 km apart.

Which airlines fly from Ontario to Salt Lake City?

Recent fares on this route were with Frontier Airlines and Southwest Airlines.

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