Cheap flights from Portland to Casper

One-way fares from $422 · PDX → CPR · prices found by travellers in the last 48 hours

Compare all dates Casper → Portland
Cheapest fare
$422

United Airlines · Fri, Nov 13

Cheapest month
November

from $422

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 42m

1,320 km

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Cheapest month to fly from Portland to Casper

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

  1. November 2026 Cheapest $422

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

United Airlines
Depart09:00 Fri, Nov 13PDX → CPR 3h 42m · 1 stop
$422one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Casper

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

Where to stay

Hotels in CasperCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in CasperTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in CasperPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in CasperCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Portland to Casper

Portland (PDX) and Casper (CPR) are about 1,320 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 3h 42m. Over the next few months, one-way fares start from $422, 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 Portland to Casper?

The cheapest one-way fare we've seen recently is $422 with United Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $422 one way.

Are there direct flights from Portland to Casper?

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

How long is the flight from Portland to Casper?

The quickest journey we've seen takes about 3h 42m. Portland and Casper are around 1,320 km apart.

Which airlines fly from Portland to Casper?

Recent fares on this route were with United Airlines.

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