Cheap flights from Columbia to Ontario

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

Cheapest fare
$401

American Airlines · Sun, Nov 22

Cheapest month
November

from $401

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 21m

2,330 km

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Cheapest month to fly from Columbia to Ontario

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

  1. November 2026 Cheapest $401

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

About flights from Columbia to Ontario

Columbia (COU) and Ontario (ONT) are about 2,330 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 21m. 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 Columbia to Ontario?

The cheapest one-way fare we've seen recently is $401 with American Airlines, departing Sunday, November 22, 2026.

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

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

Are there direct flights from Columbia to Ontario?

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

How long is the flight from Columbia to Ontario?

The quickest journey we've seen takes about 5h 21m. Columbia and Ontario are around 2,330 km apart.

Which airlines fly from Columbia to Ontario?

Recent fares on this route were with American Airlines.

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