Cheap flights from Ontario to Duluth

One-way fares from $555 · ONT → DLH · prices found by travellers in the last 48 hours

Compare all dates Duluth → Ontario
Cheapest fare
$555

United Airlines · Thu, Nov 12

Cheapest month
November

from $555

Direct flights
Not recently

Usually 1+ stop

Quickest trip
7h 36m

2,570 km

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Cheapest month to fly from Ontario to Duluth

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

  1. November 2026 Cheapest $555

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

Where to stay

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Things to do

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Getting around

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About flights from Ontario to Duluth

Ontario (ONT) and Duluth (DLH) are about 2,570 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 7h 36m. Over the next few months, one-way fares start from $555, 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 Duluth?

The cheapest one-way fare we've seen recently is $555 with United Airlines, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $555 one way.

Are there direct flights from Ontario to Duluth?

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

How long is the flight from Ontario to Duluth?

The quickest journey we've seen takes about 7h 36m. Ontario and Duluth are around 2,570 km apart.

Which airlines fly from Ontario to Duluth?

Recent fares on this route were with United Airlines.

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