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Cheap flights from Casper to Portland from $298

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 11/16. 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
5:30 am - 9:38 amCPR-PDX
5h 08m1 stop
United Airlines Logo
5:00 am - 10:45 amPDX-CPR
4h 45m1 stop
$298United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
United Airlines Logo
3:15 pm - 10:38 pmCPR-PDX
8h 23m1 stop
United Airlines Logo
1:25 pm - 6:59 pmPDX-CPR
4h 34m1 stop
$308United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
3:15 pm - 10:38 pmCPR-PDX
8h 23m1 stop
United Airlines Logo
7:38 am - 10:12 pmPDX-CPR
13h 34m2 stops
$314United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:25 pm - 10:51 pmCPR-PDX
10h 26m2 stops
United Airlines Logo
5:00 am - 10:45 amPDX-CPR
4h 45m1 stop
$331United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
United Airlines Logo
11:30 am - 10:57 pmCPR-PDX
12h 27m2 stops
United Airlines Logo
1:35 pm - 10:12 pmPDX-CPR
7h 37m2 stops
$364United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:25 pm - 10:51 pmCPR-PDX
10h 26m2 stops
United Airlines Logo
10:05 am - 8:17 pmPDX-CPR
9h 12m2 stops
$453United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
United Airlines Logo
6:05 pm - 10:56 pmCPR-PDX
5h 51m1 stop
United Airlines Logo
12:55 pm - 9:40 amPDX-CPR
19h 45m1 stop
$529United Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
United Airlines Logo
6:05 pm - 10:56 pmCPR-PDX
5h 51m1 stop
United Airlines Logo
3:54 pm - 9:40 amPDX-CPR
16h 46m2 stops
$534United Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
United Airlines Logo
7:00 am - 8:38 pmCPR-PDX
14h 38m2 stops
United Airlines Logo
6:00 am - 8:17 pmPDX-CPR
13h 17m3 stops
$1,390United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23

United Airlines flights from Casper to Portland

Our best United Airlines deals on Casper to Portland flight tickets
United Airlines
Nov 16
CPR5:30 amCasper Natrona County
5h 08m
1 stop
PDX9:38 amPortland
Nov 23
PDX5:00 amPortland
4h 45m
1 stop
CPR10:45 amCasper Natrona County
$298
Find similar
United Airlines
Mar 7
CPR3:15 pmCasper Natrona County
8h 23m
1 stop
PDX10:38 pmPortland
Mar 10
PDX1:25 pmPortland
4h 34m
1 stop
CPR6:59 pmCasper Natrona County
$308
Find similar
United Airlines
Mar 7
CPR3:15 pmCasper Natrona County
8h 23m
1 stop
PDX10:38 pmPortland
Mar 10
PDX7:38 amPortland
13h 34m
2 stops
CPR10:12 pmCasper Natrona County
$314
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 November 4, 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

Sun 11/16

5:30 am-9:38 am

1 stop5h 08m

Portland

Sun 11/23

5:00 am-10:45 am

1 stop4h 45m

$298

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 3/7

3:15 pm-10:38 pm

1 stop8h 23m

Portland

Tue 3/10

1:25 pm-6:59 pm

1 stop4h 34m

$308

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 3/7

3:15 pm-10:38 pm

1 stop8h 23m

Portland

Tue 3/10

7:38 am-10:12 pm

2 stops13h 34m

$314

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sun 11/16

1:25 pm-10:51 pm

2 stops10h 26m

Portland

Sun 11/23

5:00 am-10:45 am

1 stop4h 45m

$331

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sat 3/7

11:30 am-10:57 pm

2 stops12h 27m

Portland

Tue 3/10

1:35 pm-10:12 pm

2 stops7h 37m

$364

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sun 11/16

1:25 pm-10:51 pm

2 stops10h 26m

Portland

Sun 11/23

10:05 am-8:17 pm

2 stops9h 12m

$453

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Mon 11/17

6:05 pm-10:56 pm

1 stop5h 51m

Portland

Fri 11/21

12:55 pm-9:40 am

1 stop19h 45m

$529

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Mon 11/17

6:05 pm-10:56 pm

1 stop5h 51m

Portland

Fri 11/21

3:54 pm-9:40 am

2 stops16h 46m

$534

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Sun 11/16

7:00 am-8:38 pm

2 stops14h 38m

Portland

Sun 11/23

6:00 am-8:17 pm

3 stops13h 17m

$1,390

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 month to fly to Portland?

The cheapest month to fly to Portland from Casper is in February. Flight prices, which tend to average around $278, 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 $308.

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

Direct flights

None
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 08m.

  • 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 $268Free CancellationRating
7.4
9,002 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
Gresham
McMinnville
Longview
The Dalles
Pacific City
Tigard
Manzanita
Tillamook

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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