Cheap flights from Cheyenne to Ontario

One-way fares from $401 · CYS → ONT · prices found by travellers in the last 48 hours

Cheapest fare
$401

United Airlines · Thu, Nov 12

Cheapest month
November

from $401

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 11m

1,380 km

Get a price alert

We'll email you when Cheyenne → Ontario drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $401. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Cheyenne to Ontario

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

  1. November 2026 Cheapest $401

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

United Airlines
Depart13:49 Thu, Nov 12CYS → ONT 4h 11m · 2 stops
$401one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Ontario

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

About flights from Cheyenne to Ontario

Cheyenne (CYS) and Ontario (ONT) are about 1,380 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 4h 11m. Over the next few months, one-way fares start from $401, 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 Cheyenne to Ontario?

The cheapest one-way fare we've seen recently is $401 with United Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $401 one way.

Are there direct flights from Cheyenne to Ontario?

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

How long is the flight from Cheyenne to Ontario?

The quickest journey we've seen takes about 4h 11m. Cheyenne and Ontario are around 1,380 km apart.

Which airlines fly from Cheyenne to Ontario?

Recent fares on this route were with United Airlines.

More cheap flights from Cheyenne

Compare flights to Ontario from other cities →