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Cheap flights from Casper to Portland from $258

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 1/9. 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
0 bags

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Find the cheapest flights from Casper to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 1:45 pm
CPR
-
PDX
5h 45m1 stop
United Airlines Logo
5:00 am - 12:35 pm
PDX
-
CPR
6h 35m1 stop
$258United Airlines
Fri, Jan 9 - Sun, Jan 11
United Airlines Logo
11:28 am - 6:56 pm
CPR
-
PDX
8h 28m2 stops
United Airlines Logo
5:00 am - 10:53 am
PDX
-
CPR
4h 53m1 stop
$264United Airlines
Fri, Jan 9 - Sun, Jan 11
United Airlines Logo
1:16 pm - 9:12 pm
CPR
-
PDX
8h 56m1 stop
United Airlines Logo
8:30 am - 2:42 pm
PDX
-
CPR
5h 12m1 stop
$328United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
11:28 am - 11:06 pm
CPR
-
PDX
12h 38m2 stops
United Airlines Logo
8:30 am - 7:06 pm
PDX
-
CPR
9h 36m1 stop
$334United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
5:30 am - 12:33 pm
CPR
-
PDX
8h 03m2 stops
United Airlines Logo
5:35 am - 4:54 pm
PDX
-
CPR
10h 19m2 stops
$339United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
1:22 pm - 10:46 pm
CPR
-
PDX
10h 24m2 stops
United Airlines Logo
12:54 pm - 8:41 pm
PDX
-
CPR
6h 47m1 stop
$469United Airlines
Wed, Dec 31 - Sat, Jan 3
United Airlines Logo
1:22 pm - 9:07 pm
CPR
-
PDX
8h 45m1 stop
United Airlines Logo
9:00 am - 4:59 pm
PDX
-
CPR
6h 59m1 stop
$474United Airlines
Wed, Dec 31 - Sat, Jan 3
United Airlines Logo
5:30 am - 10:01 am
CPR
-
PDX
5h 31m1 stop
United Airlines Logo
3:45 pm - 12:35 pm
PDX
-
CPR
19h 50m1 stop
$492United Airlines
Mon, Jan 5 - Fri, Jan 9
United Airlines Logo
3:19 pm - 10:58 pm
CPR
-
PDX
8h 39m1 stop
United Airlines Logo
5:00 am - 12:35 pm
PDX
-
CPR
6h 35m1 stop
$495United Airlines
Sat, Jan 3 - Wed, Jan 7
United Airlines Logo
5:30 am - 10:01 am
CPR
-
PDX
5h 31m1 stop
United Airlines Logo
3:50 pm - 10:53 am
PDX
-
CPR
18h 03m2 stops
$497United Airlines
Mon, Jan 5 - Fri, Jan 9

United Airlines flights from Casper to Portland

Our best United Airlines deals on Casper to Portland flight tickets
United Airlines
Jan 9
CPR9:00 amCasper Natrona County
5h 45m
1 stop
PDX1:45 pmPortland
Jan 11
PDX5:00 amPortland
6h 35m
1 stop
CPR12:35 pmCasper Natrona County
$258
Find similar
United Airlines
Jan 9
CPR11:28 amCasper Natrona County
8h 28m
2 stops
PDX6:56 pmPortland
Jan 11
PDX5:00 amPortland
4h 53m
1 stop
CPR10:53 amCasper Natrona County
$264
Find similar
United Airlines
Jan 24
CPR1:16 pmCasper Natrona County
8h 56m
1 stop
PDX9:12 pmPortland
Jan 27
PDX8:30 amPortland
5h 12m
1 stop
CPR2:42 pmCasper Natrona County
$328
Find similar

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 December 21, 2025.
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

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Fri 1/9

9:00 am-1:45 pm

1 stop5h 45m

Portland

Sun 1/11

5:00 am-12:35 pm

1 stop6h 35m

$258

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Fri 1/9

11:28 am-6:56 pm

2 stops8h 28m

Portland

Sun 1/11

5:00 am-10:53 am

1 stop4h 53m

$264

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 1/24

1:16 pm-9:12 pm

1 stop8h 56m

Portland

Tue 1/27

8:30 am-2:42 pm

1 stop5h 12m

$328

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 1/24

11:28 am-11:06 pm

2 stops12h 38m

Portland

Tue 1/27

8:30 am-7:06 pm

1 stop9h 36m

$334

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 1/24

5:30 am-12:33 pm

2 stops8h 03m

Portland

Tue 1/27

5:35 am-4:54 pm

2 stops10h 19m

$339

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 12/31

1:22 pm-10:46 pm

2 stops10h 24m

Portland

Sat 1/3

12:54 pm-8:41 pm

1 stop6h 47m

$469

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 12/31

1:22 pm-9:07 pm

1 stop8h 45m

Portland

Sat 1/3

9:00 am-4:59 pm

1 stop6h 59m

$474

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Mon 1/5

5:30 am-10:01 am

1 stop5h 31m

Portland

Fri 1/9

3:45 pm-12:35 pm

1 stop19h 50m

$492

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 1/3

3:19 pm-10:58 pm

1 stop8h 39m

Portland

Wed 1/7

5:00 am-12:35 pm

1 stop6h 35m

$495

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Mon 1/5

5:30 am-10:01 am

1 stop5h 31m

Portland

Fri 1/9

3:50 pm-10:53 am

2 stops18h 03m

$497

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 typical price of a round-trip flight between Casper and Portland?

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $358. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $481.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $374. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $645 per ticket.

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 45m

Direct flights

None
The fastest flight from Casper to Portland takes 5h 45m
There are no direct flights from Casper to Portland. There are no popular flight routes from Casper to Portland.
Search flight deals

  • 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 45m.

  • 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 $238Free CancellationRating
7.4
9,099 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
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
McMinnville
Gresham
Tigard
Longview
Pacific City
The Dalles
Manzanita
Clackamas

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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