Cheap flights from Lexington to Ontario

One-way fares from $318 · LEX → ONT · prices found by travellers in the last 48 hours

Cheapest fare
$318

Allegiant Air · Thu, Nov 12

Cheapest month
November

from $318

Direct flights
Not recently

Usually 1+ stop

Quickest trip
10h 54m

3,000 km

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Cheapest month to fly from Lexington to Ontario

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

  1. November 2026 Cheapest $318

Cheapest dates in November 2026

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

Allegiant Air
Depart18:24 Thu, Nov 12LEX → ONT 10h 54m · 3 stops
$318one 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 Lexington to Ontario

Lexington (LEX) and Ontario (ONT) 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 10h 54m. Over the next few months, one-way fares start from $318, 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 Lexington to Ontario?

The cheapest one-way fare we've seen recently is $318 with Allegiant Air, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $318 one way.

Are there direct flights from Lexington to Ontario?

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

How long is the flight from Lexington to Ontario?

The quickest journey we've seen takes about 10h 54m. Lexington and Ontario are around 3,000 km apart.

Which airlines fly from Lexington to Ontario?

Recent fares on this route were with Allegiant Air.

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