Cheap flights from Gillette to Ontario

One-way fares from $493 · GCC → ONT · prices found by travellers in the last 48 hours

Compare all dates Ontario → Gillette
Cheapest fare
$493

United Airlines · Thu, Nov 12

Cheapest month
November

from $493

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 49m

1,550 km

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Cheapest month to fly from Gillette to Ontario

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

  1. November 2026 Cheapest $493

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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 Gillette to Ontario

Gillette (GCC) and Ontario (ONT) are about 1,550 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 49m. Over the next few months, one-way fares start from $493, and November 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 Gillette to Ontario?

The cheapest one-way fare we've seen recently is $493 with United Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $493 one way.

Are there direct flights from Gillette to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Gillette to Ontario?

The quickest journey we've seen takes about 5h 49m. Gillette and Ontario are around 1,550 km apart.

Which airlines fly from Gillette to Ontario?

Recent fares on this route were with United Airlines.

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