Which airports can I use when flying from Portland to Casper?

Flights from Portland to Casper usually depart from Portland (PDX) and arrive at Casper Natrona County (CPR).

What cabin classes can I book on flights from Portland to Casper?

Two cabin classes are available on flights from Portland to Casper: • Economy Class • First Class

Which airports do connecting flights from Portland to Casper pass through?

Most connecting flights from Portland to Casper pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Portland to Casper?

Yes. Being flexible with your travel dates can save you up to 73% on the Portland to Casper route. Friday is the cheapest departure day at $292 round-trip on average, while Monday is the most expensive at $1,070, a difference of $778. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Portland to Casper?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Portland to Casper changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $308 to $1,548. That means the highest observed fare was about 5x higher than the lowest one.

How are flight prices from Portland to Casper looking right now?

One-way fares from Portland to Casper are currently lower than usual. Average one-way flight prices are about $336, which is 19% below the typical average for this route.

What is the time difference between Portland and Casper?

Casper is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Casper Natrona County Airport (CPR)?

Casper Natrona County Airport (CPR) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include: • Budget • Hertz • Avis • Enterprise Rent-A-Car • Alamo

How much should I expect to pay for a Portland to Casper flight?

Round-trip flights from Portland to Casper range from $292 to $418, with an average of $330 over the past 12 months. Anything below $292 counts as a good deal.

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

United Airlines ($308) offered the cheapest round-trip ticket from Portland to Casper in the last 5 days.

What is the cheapest layover airport when flying from Portland to Casper?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $399. Based on KAYAK data over the past 3 months.

When flying from Portland to Casper which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Portland to Casper layovers at 203 minutes over the past 3 months.

$278 CHEAP FLIGHTS from Portland to Casper (PDX - CPR)

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Cheapest round-trip

$308

Typical prices: $292-$418

United Airlines

Tue 10/23Wed 10/24

PDX - CPR • 1 stop

Cheapest one-way

$278

Typical prices: $268-$444

United Airlines

Wed 10/10

PDX - CPR • 1 stop

When to travel

April

Cheapest • 17% price drop

January

Most popular

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We hope you love your trip to Casper!

Flight Deals

Cheap Flights from Portland to Casper (PDX-CPR)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Portland to Casper

Fri, Oct 23 - Sat, Oct 24

10:43 am - 6:54 pmPDX Portland-CPR Casper Natrona County

7h 11m1 stop Denver Intl

10:06 am - 3:05 pmCPR Casper Natrona County-PDX Portland

5h 59m1 stop Denver Intl

$308United Airlines

Fri, Oct 23 - Sat, Oct 24

10:43 am - 5:11 pmPDX Portland-CPR Casper Natrona County

5h 28m1 stop Denver Intl

5:15 am - 12:10 pmCPR Casper Natrona County-PDX Portland

7h 55m2 stops Denver Intl San Francisco

$314United Airlines

Sat, Oct 10 - Sat, Oct 17

4:07 pm - 10:04 pmPDX Portland-CPR Casper Natrona County

4h 57m1 stop Denver Intl

10:06 am - 3:05 pmCPR Casper Natrona County-PDX Portland

5h 59m1 stop Denver Intl

$328United Airlines

Fri, Oct 23 - Sun, Oct 25

10:43 am - 5:11 pmPDX Portland-CPR Casper Natrona County

5h 28m1 stop Denver Intl

5:15 am - 9:35 amCPR Casper Natrona County-PDX Portland

5h 20m1 stop Denver Intl

$328United Airlines

Fri, Oct 23 - Tue, Oct 27

10:43 am - 5:11 pmPDX Portland-CPR Casper Natrona County

5h 28m1 stop Denver Intl

5:15 am - 9:36 amCPR Casper Natrona County-PDX Portland

5h 21m1 stop Denver Intl

$328United Airlines

Fri, Oct 23 - Fri, Oct 30

10:43 am - 5:11 pmPDX Portland-CPR Casper Natrona County

5h 28m1 stop Denver Intl

3:13 pm - 9:13 pmCPR Casper Natrona County-PDX Portland

7h 00m1 stop Denver Intl

$328United Airlines

Fri, Oct 23 - Wed, Oct 28

10:43 am - 6:54 pmPDX Portland-CPR Casper Natrona County

7h 11m1 stop Denver Intl

5:15 am - 9:36 amCPR Casper Natrona County-PDX Portland

5h 21m1 stop Denver Intl

$328United Airlines

Fri, Oct 23 - Thu, Oct 29

10:43 am - 6:54 pmPDX Portland-CPR Casper Natrona County

7h 11m1 stop Denver Intl

3:13 pm - 9:13 pmCPR Casper Natrona County-PDX Portland

7h 00m1 stop Denver Intl

$328United Airlines

Fri, Oct 23 - Mon, Oct 26

10:43 am - 6:54 pmPDX Portland-CPR Casper Natrona County

7h 11m1 stop Denver Intl

5:15 am - 9:36 amCPR Casper Natrona County-PDX Portland

5h 21m1 stop Denver Intl

$328United Airlines

Thu, Oct 22 - Wed, Oct 28

5:00 am - 10:48 amPDX Portland-CPR Casper Natrona County

4h 48m1 stop Denver Intl

5:15 am - 9:36 amCPR Casper Natrona County-PDX Portland

5h 21m1 stop Denver Intl

$328United Airlines

Booking Insights

Price, demand and travel trends for Portland to Casper flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Portland to Casper with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Portland to Casper?

Round-trip flights from Portland to Casper start at $308. Prices are typical for this route right now, with typical round-trip fares ranging from $292 to $418. The lowest price found in the past 5 days was $308 on United Airlines.

What's the cheapest day of the week to fly from Portland to Casper?

Friday is the cheapest day of the week to fly from Portland to Casper, it is 12% cheaper than the average day. Monday is the most expensive day with flight prices 224% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

April is the cheapest month to fly from Portland to Casper at $275 round-trip.
September ($1,070) and October ($608) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 289% on average.

This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	August
High season	January
Cheapest flight	$278

Most popular time to fly and prices are also 7% lower on average.

Flight from Portland to Casper

When to book flights from Portland to Casper

Are your dates flexible? Find out the best times to travel from Portland to Casper based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Portland to Casper?
Flights from Portland to Casper usually depart from Portland (PDX) and arrive at Casper Natrona County (CPR).
What cabin classes can I book on flights from Portland to Casper?
Two cabin classes are available on flights from Portland to Casper:

• Economy Class
• First Class
Which airports do connecting flights from Portland to Casper pass through?
Most connecting flights from Portland to Casper pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Portland to Casper?
Yes. Being flexible with your travel dates can save you up to 73% on the Portland to Casper route. Friday is the cheapest departure day at $292 round-trip on average, while Monday is the most expensive at $1,070, a difference of $778. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from Portland to Casper?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Portland to Casper changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $308 to $1,548. That means the highest observed fare was about 5x higher than the lowest one.
How are flight prices from Portland to Casper looking right now?
One-way fares from Portland to Casper are currently lower than usual. Average one-way flight prices are about $336, which is 19% below the typical average for this route.
What is the time difference between Portland and Casper?
Casper is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Casper Natrona County Airport (CPR)?
Casper Natrona County Airport (CPR) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
• Budget
• Hertz
• Avis
• Enterprise Rent-A-Car
• Alamo
How much should I expect to pay for a Portland to Casper flight?
Round-trip flights from Portland to Casper range from $292 to $418, with an average of $330 over the past 12 months. Anything below $292 counts as a good deal.

If your dates can be flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average $292 - about $778 less than Monday (73% savings) based on the last 12 months.
If you can choose when to travel, plan your Portland to Casper trip for April. Fares historically average $275 round-trip in that month - typically $795 less than the most expensive month, which is September (based on the last 12 months).

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PDX - CPR

$278 Find Cheap Flights from Portland to Casper - Compare and Save

Everything you should know

Cheap Flights from Portland to Casper (PDX-CPR)

Recent round-trip flight deals from Portland to Casper

Recent one-way flight deals from Portland to Casper

Price, demand and travel trends for Portland to Casper flights

How much is a round-trip flight from Portland to Casper?

What's the cheapest day of the week to fly from Portland to Casper?

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

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

What is the cheapest layover airport when flying from Portland to Casper?

When flying from Portland to Casper which airport offers the shortest layover?

Key details for Portland to Casper flights

Low season

High season

Cheapest flight

When to book flights from Portland to Casper

Your Portland to Casper flight questions, answered

Your guide to booking Portland to Casper flights

More options for your flight from Portland to Casper

Complete your trip to Casper with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Casper

Find direct flights to and from Portland and Casper

Flights from domestic origins to Casper

Flights to other popular destinations

Find deals for your return flight