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Cheap flights from Casper to Portland from $378

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Casper to Portland departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Casper to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:01 pm - 11:07 pm
CPR
-
PDX
6h 06m
1 stop
United Airlines Logo
1:15 pm - 6:37 pm
PDX
-
CPR
4h 22m
1 stop
$378United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
1:25 pm - 6:05 pm
CPR
-
PDX
5h 40m
1 stop
United Airlines Logo
1:19 pm - 10:12 pm
PDX
-
CPR
7h 53m
2 stops
$384United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
6:05 pm - 10:54 pm
CPR
-
PDX
5h 49m
1 stop
United Airlines Logo
12:45 pm - 8:27 pm
PDX
-
CPR
6h 42m
1 stop
$386United Airlines
Thu, Aug 20 - Wed, Aug 26
United Airlines Logo
9:10 am - 6:29 pm
CPR
-
PDX
10h 19m
2 stops
United Airlines Logo
9:00 am - 8:22 pm
PDX
-
CPR
10h 22m
2 stops
$389United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
7:00 am - 6:29 pm
CPR
-
PDX
12h 29m
2 stops
United Airlines Logo
9:00 am - 8:22 pm
PDX
-
CPR
10h 22m
2 stops
$404United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
1:25 pm - 9:08 pm
CPR
-
PDX
8h 43m
1 stop
United Airlines Logo
8:45 am - 6:37 pm
PDX
-
CPR
8h 52m
1 stop
$408United Airlines
Wed, Nov 25 - Fri, Dec 4
United Airlines Logo
1:25 pm - 9:08 pm
CPR
-
PDX
8h 43m
1 stop
United Airlines Logo
5:15 am - 10:53 am
PDX
-
CPR
4h 38m
1 stop
$423United Airlines
Wed, Nov 25 - Fri, Dec 4
United Airlines Logo
1:25 pm - 12:35 am
CPR
-
PDX
12h 10m
2 stops
United Airlines Logo
5:15 am - 10:53 am
PDX
-
CPR
4h 38m
1 stop
$429United Airlines
Wed, Nov 25 - Fri, Dec 4
United Airlines Logo
11:25 am - 10:44 pm
CPR
-
PDX
12h 19m
2 stops
United Airlines Logo
1:19 pm - 10:12 pm
PDX
-
CPR
7h 53m
2 stops
$434United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
11:25 am - 12:35 am
CPR
-
PDX
14h 10m
2 stops
United Airlines Logo
8:45 am - 6:37 pm
PDX
-
CPR
8h 52m
1 stop
$509United Airlines
Wed, Nov 25 - Fri, Dec 4

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United Airlines flights from Casper to Portland

Our best United Airlines deals on Casper to Portland flight tickets
United Airlines
Nov 10
CPR6:01 pmCasper Natrona County
6h 06m
1 stop
PDX11:07 pmPortland
Nov 14
PDX1:15 pmPortland
4h 22m
1 stop
CPR6:37 pmCasper Natrona County
$378
United Airlines
Nov 10
CPR1:25 pmCasper Natrona County
5h 40m
1 stop
PDX6:05 pmPortland
Nov 14
PDX1:19 pmPortland
7h 53m
2 stops
CPR10:12 pmCasper Natrona County
$384
United Airlines
Aug 20
CPR6:05 pmCasper Natrona County
5h 49m
1 stop
PDX10:54 pmPortland
Aug 26
PDX12:45 pmPortland
6h 42m
1 stop
CPR8:27 pmCasper Natrona County
$386

momondo Fare Finder

 
Customize your flight search to find flights from Casper to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Casper to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Tue 11/10

6:01 pm-11:07 pm

1 stop6h 06m

Portland

Sat 11/14

1:15 pm-6:37 pm

1 stop4h 22m

$378

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Tue 11/10

1:25 pm-6:05 pm

1 stop5h 40m

Portland

Sat 11/14

1:19 pm-10:12 pm

2 stops7h 53m

$384

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Thu 8/20

6:05 pm-10:54 pm

1 stop5h 49m

Portland

Wed 8/26

12:45 pm-8:27 pm

1 stop6h 42m

$386

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Tue 11/10

9:10 am-6:29 pm

2 stops10h 19m

Portland

Sat 11/14

9:00 am-8:22 pm

2 stops10h 22m

$389

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Tue 11/10

7:00 am-6:29 pm

2 stops12h 29m

Portland

Sat 11/14

9:00 am-8:22 pm

2 stops10h 22m

$404

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 11/25

1:25 pm-9:08 pm

1 stop8h 43m

Portland

Fri 12/4

8:45 am-6:37 pm

1 stop8h 52m

$408

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 11/25

1:25 pm-9:08 pm

1 stop8h 43m

Portland

Fri 12/4

5:15 am-10:53 am

1 stop4h 38m

$423

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 11/25

1:25 pm-12:35 am

2 stops12h 10m

Portland

Fri 12/4

5:15 am-10:53 am

1 stop4h 38m

$429

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Tue 11/10

11:25 am-10:44 pm

2 stops12h 19m

Portland

Sat 11/14

1:19 pm-10:12 pm

2 stops7h 53m

$434

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 11/25

11:25 am-12:35 am

2 stops14h 10m

Portland

Fri 12/4

8:45 am-6:37 pm

1 stop8h 52m

$509

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Casper to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Casper is in February. Flight prices, which tend to average around $258, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until January to fly from Casper, when ticket prices are also cheap, with an average price of $281.

When to book flights from Casper to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Casper to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Casper to Portland (CPR to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Casper to Portland

Fastest flight time

5h 49m

Direct flights

None
The fastest flight from Casper to Portland takes 5h 49m
There are no direct flights from Casper to Portland. There are no popular flight routes from Casper to Portland.
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Frequently asked questions about flying from Casper to Portland

  • How far is Casper Natrona County to Portland by plane?

    A flight from Casper Natrona County to Portland will travel around 828.7 mi. In terms of flight time, this usually takes a little over 5h 49m.

  • When did momondo last update prices for flights from Casper Natrona County Airport to Portland Airport?

    Prices for flights from Casper Natrona County Airport to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Casper Natrona County Airport to Portland Airport?

  • How old do you have to be to fly from Casper Natrona County Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Casper Natrona County Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Casper to Portland?

Best airlines flying from Casper to Portland

Compare and see reviews for airlines that fly from Casper to Portland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $257Free CancellationRating
7.4
9,948 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Depoe Bay
Tigard
Hood River
Longview
Newberg
Clackamas
Troutdale
McMinnville
Gresham
The Dalles

Why use momondo?

Why should I use momondo to find a flight deal from Casper to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Casper to Portland for you.

Can I find flights from Casper to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Casper on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Casper to Portland?

momondo helps you find the best flight between Casper and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Casper to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Casper to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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