Cheap Flights from Portland (PDX) to Casper (CPR)

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Flight deals from Portland Airport to Casper Airport

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Casper Airport? If you want to travel next month, return fares start from £538. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Casper

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Casper flights are currently cheapest in April.

Portland to Casper: Alternative routes

Compare routes from Portland to Casper below. You may find an airport to fly into that's cheaper, faster, or easier than Casper.

Portland to Casper: Flight information

The things to know before you go.
Cheapest flight found£308
Cheapest month to flyApril

Finding cheap flights from Portland to Casper: Frequently asked questions

The best price we found for a return flight from Portland to Casper is £538. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Casper. But we found flights with one or more stops from £538.
As of March 2026, there are no flights flying from Portland to Casper.
The cheapest month to fly from Portland to Casper is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Casper Airport on Sunday, 12 April 2026.
No airlines currently offer direct flights between Portland Airport and Casper Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Casper but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Casper is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Casper.

Travelling from Portland International Airport (PDX) to Casper/Natrona County International Airport (CPR): what you need to know

  • To ensure you get on your PDX to CPR flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • You can expect longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • If you'd like to visit a new city along the way, look for a flight with a stopover. To see all your options for tickets from Portland International Airport to Casper/Natrona County International Airport, uncheck 'Direct flights only.' Denver International Airport is a sought-after stop between PDX and CPR.

How to find the cheapest flights from Portland International Airport (PDX) to Casper/Natrona County International Airport (CPR)

  • Right now, £308 is the lowest price we've found for a one-way Portland International Airport to Casper/Natrona County International Airport flight. The best price for a return plane ticket is £538. Remember that fares can change due to availability at the time of booking.

  • It's often best to book in advance if you're looking for cheap tickets from PDX to CPR. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' search tool. It'll find the lowest price across the month when searching for your flight from Portland International Airport to Casper/Natrona County International Airport.

  • Landing cheap flights from PDX to CPR is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as fares go down.

  • Tailor your flights using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Portland International Airport to Casper/Natrona County International Airport.

Handy information about Portland International Airport (PDX)

  • The address for PDX is 7000 NE Airport Way.

  • Portland International Airport earns top marks for its on-time performance. 83.65% of flights that depart PDX reach their destination without delay.

  • Portland International Airport is around 12 miles from central Portland. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport takes roughly 45 minutes.

  • Get your travels off to a leisurely start by staying near PDX. Whether you're catching an early flight from Portland International Airport to Casper/Natrona County International Airport or just don't want to be rushed, these stays are perfect:

Arriving at Casper/Natrona County International Airport (CPR)

  • Get on the fast track to adventure by picking up a Casper/Natrona County International Airport rental car. Grab your wheels from Hertz, Budget or Avis and explore beyond Casper's main sights.

  • To get the best deal, book your vehicle from Casper/Natrona County International Airport at least a couple of weeks in advance. Rates generally rise closer to the day of travel.

Getting from Casper/Natrona County International Airport (CPR) to central Casper

  • The street address for CPR is 8500 Airport Parkway.

  • From Casper/Natrona County International Airport, Casper is approximately 11 miles away. It takes around 15 minutes to get to the centre driving.

When to fly to Casper/Natrona County International Airport (CPR)

  • It's time to pick your dates for your flight from Portland International Airport to Casper/Natrona County International Airport. April is the busiest month to head to Casper. If you're after a more laid-back vibe, go in October.

  • When reserving your flight from Portland International Airport to Casper/Natrona County International Airport, consider the kind of weather you like. July is the warmest month in Casper, with temperatures ranging from 13ºC (55ºF) to 33ºC (91ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from PDX to CPR in January. Average temperatures are between -14ºC (7ºF) and 0ºC (32ºF) then.

Explore more of United States

  • Casper is easy to fall in love with, but there are so many other parts of United States you'll want to see. About 230 miles south of Casper, a trip to Denver will keep your itinerary busy. Start with attractions like Denver Art Museum, Union Station and Denver Botanic Gardens.

  • Around 290 miles south of Casper, Colorado Springs is another favourite stop in United States. Experience the best of this destination with a visit to US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.