Cheap flights from Billings to Portland

One-way fares from $358 · BIL → PDX · prices found by travellers in the last 48 hours

Compare all dates Portland → Billings
Cheapest fare
$358

United Airlines · Wed, Nov 4

Cheapest month
November

from $358

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 49m

1,100 km

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Cheapest month to fly from Billings to Portland

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

  1. November 2026 Cheapest $358

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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 Billings to Portland

Billings (BIL) and Portland (PDX) are about 1,100 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 4h 49m. Over the next few months, one-way fares start from $358, 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 Billings to Portland?

The cheapest one-way fare we've seen recently is $358 with United Airlines, departing Wednesday, November 4, 2026.

What is the cheapest month to fly from Billings to Portland?

November 2026 currently has the lowest fares, from $358 one way.

Are there direct flights from Billings to Portland?

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

How long is the flight from Billings to Portland?

The quickest journey we've seen takes about 4h 49m. Billings and Portland are around 1,100 km apart.

Which airlines fly from Billings to Portland?

Recent fares on this route were with United Airlines.

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