Cheap flights from Ontario to Lexington

One-way fares from $534 · ONT → LEX · prices found by travellers in the last 48 hours

Compare all dates Lexington → Ontario
Cheapest fare
$534

United Airlines · Thu, Nov 12

Cheapest month
November

from $534

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 52m

3,000 km

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Cheapest month to fly from Ontario to Lexington

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

  1. November 2026 Cheapest $534

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Getting around

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About flights from Ontario to Lexington

Ontario (ONT) and Lexington (LEX) are about 3,000 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 52m. Over the next few months, one-way fares start from $534, 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 Ontario to Lexington?

The cheapest one-way fare we've seen recently is $534 with United Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $534 one way.

Are there direct flights from Ontario to Lexington?

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

How long is the flight from Ontario to Lexington?

The quickest journey we've seen takes about 4h 52m. Ontario and Lexington are around 3,000 km apart.

Which airlines fly from Ontario to Lexington?

Recent fares on this route were with United Airlines.

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