Cheap flights from Wilmington to Ontario

One-way fares from $370 · ILM → ONT · prices found by travellers in the last 48 hours

Cheapest fare
$370

Avelo Airlines · Fri, Nov 13

Cheapest month
November

from $370

Direct flights
Not recently

Usually 1+ stop

Quickest trip
9h 54m

3,630 km

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Cheapest month to fly from Wilmington to Ontario

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

  1. November 2026 Cheapest $370

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About flights from Wilmington to Ontario

Wilmington (ILM) and Ontario (ONT) are about 3,630 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 9h 54m. Over the next few months, one-way fares start from $370, 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 Wilmington to Ontario?

The cheapest one-way fare we've seen recently is $370 with Avelo Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $370 one way.

Are there direct flights from Wilmington to Ontario?

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

How long is the flight from Wilmington to Ontario?

The quickest journey we've seen takes about 9h 54m. Wilmington and Ontario are around 3,630 km apart.

Which airlines fly from Wilmington to Ontario?

Recent fares on this route were with Avelo Airlines.

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