Denver Air Connection (DAC)Depart08:15
Tue, Nov 10TVF → ONT
7h 25m · 2 stops
$371one way, per person
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- Cheapest fare
- $371
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 7h 25m
Denver Air Connection (DAC) · Tue, Nov 10
from $371
Usually 1+ stop
2,370 km
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Cheapest month to fly from Thief River Falls to Ontario
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Denver Air Connection (DAC)Denver Air Connection (DAC)Depart15:35
Thu, Nov 12TVF → ONT
7h 25m · 2 stops
$426one way, per person
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Plan the rest of your trip to Ontario
Where to stay, what to do and getting around, from our travel partners.
About flights from Thief River Falls to Ontario
Thief River Falls (TVF) and Ontario (ONT) are about 2,370 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 25m. Over the next few months, one-way fares start from $371, 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 Thief River Falls to Ontario?
The cheapest one-way fare we've seen recently is $371 with Denver Air Connection (DAC), departing Tuesday, November 10, 2026.
What is the cheapest month to fly from Thief River Falls to Ontario?
November 2026 currently has the lowest fares, from $371 one way.
Are there direct flights from Thief River Falls to Ontario?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Thief River Falls to Ontario?
The quickest journey we've seen takes about 7h 25m. Thief River Falls and Ontario are around 2,370 km apart.
Which airlines fly from Thief River Falls to Ontario?
Recent fares on this route were with Denver Air Connection (DAC).
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