Allegiant AirDepart10:47
Thu, Nov 12IAG → PDX
11h 13m · 3 stops
$705one way, per person
View deal
- Cheapest fare
- $705
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 11h 13m
Allegiant Air · Thu, Nov 12
from $705
Usually 1+ stop
3,450 km
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Cheapest month to fly from Niagara Falls to Portland
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.
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About flights from Niagara Falls to Portland
Niagara Falls (IAG) and Portland (PDX) are about 3,450 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 11h 13m. Over the next few months, one-way fares start from $705, 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 Niagara Falls to Portland?
The cheapest one-way fare we've seen recently is $705 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Niagara Falls to Portland?
November 2026 currently has the lowest fares, from $705 one way.
Are there direct flights from Niagara Falls to Portland?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Niagara Falls to Portland?
The quickest journey we've seen takes about 11h 13m. Niagara Falls and Portland are around 3,450 km apart.
Which airlines fly from Niagara Falls to Portland?
Recent fares on this route were with Allegiant Air.
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