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Cheap flights from Washington to Casper from $233

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Casper departing on 1/7. 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 Washington to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:35 pm
PSC
-
CPR
6h 35m1 stop
United Airlines Logo
5:30 am - 1:46 pm
CPR
-
PSC
9h 16m1 stop
$308United Airlines
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
12:25 pm - 7:06 pm
SEA
-
CPR
5h 41m1 stop
United Airlines Logo
1:16 pm - 6:26 pm
CPR
-
SEA
6h 10m1 stop
$308United Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
8:30 am - 7:02 pm
PDX
-
CPR
9h 32m1 stop
United Airlines Logo
1:20 pm - 9:15 pm
CPR
-
PDX
8h 55m1 stop
$308United Airlines
Tue, Feb 17 - Tue, Feb 24
United Airlines Logo
1:48 pm - 8:40 pm
GEG
-
CPR
5h 52m1 stop
United Airlines Logo
7:00 am - 12:46 pm
CPR
-
GEG
6h 46m1 stop
$308United Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
6:00 am - 4:54 pm
PSC
-
CPR
9h 54m2 stops
United Airlines Logo
5:30 am - 1:46 pm
CPR
-
PSC
9h 16m1 stop
$314United Airlines
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
12:24 pm - 10:14 pm
SEA
-
CPR
8h 50m2 stops
United Airlines Logo
3:17 pm - 9:15 pm
CPR
-
SEA
6h 58m1 stop
$314United Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
1:40 pm - 10:09 pm
PDX
-
CPR
7h 29m2 stops
United Airlines Logo
5:25 am - 9:42 am
CPR
-
PDX
5h 17m1 stop
$314United Airlines
Fri, Feb 20 - Thu, Feb 26
United Airlines Logo
1:35 pm - 10:14 pm
PDX
-
CPR
7h 39m2 stops
United Airlines Logo
9:10 am - 6:56 pm
CPR
-
PDX
10h 46m2 stops
$319United Airlines
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
5:00 am - 12:46 pm
PDX
-
CPR
6h 46m1 stop
United Airlines Logo
9:00 am - 6:10 pm
CPR
-
PDX
10h 10m1 stop
$353United Airlines
Fri, Jan 2 - Fri, Jan 9
United Airlines Logo
6:00 am - 7:06 pm
PSC
-
CPR
12h 06m2 stops
United Airlines Logo
9:00 am - 1:46 pm
CPR
-
PSC
5h 46m1 stop
$359United Airlines
Wed, Jan 7 - Sat, Jan 10

United Airlines flights from State of Washington to Casper

Our best United Airlines deals on State of Washington to Casper flight tickets
United Airlines
Feb 17
PDX8:30 amPortland
9h 32m
1 stop
CPR7:02 pmCasper Natrona County
Feb 24
CPR1:20 pmCasper Natrona County
8h 55m
1 stop
PDX9:15 pmPortland
$308
Find similar
United Airlines
Feb 20
PDX1:40 pmPortland
7h 29m
2 stops
CPR10:09 pmCasper Natrona County
Feb 26
CPR5:25 amCasper Natrona County
5h 17m
1 stop
PDX9:42 amPortland
$314
Find similar
United Airlines
Jan 28
PDX1:35 pmPortland
7h 39m
2 stops
CPR10:14 pmCasper Natrona County
Feb 4
CPR9:10 amCasper Natrona County
10h 46m
2 stops
PDX6:56 pmPortland
$319
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Casper 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 8, 2025.
Use the filters below to find and compare flights from Washington to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PascoCasper

PSC - CPR

PSCCPR

Pasco Tri Cities

Wed 1/7

5:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Sat 1/10

5:30 am-1:46 pm

1 stop9h 16m

$308

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Tue 1/6

12:25 pm-7:06 pm

1 stop5h 41m

Casper Natrona County

Sat 1/10

1:16 pm-6:26 pm

1 stop6h 10m

$308

PortlandCasper

PDX - CPR

PDXCPR

Portland

Tue 2/17

8:30 am-7:02 pm

1 stop9h 32m

Casper Natrona County

Tue 2/24

1:20 pm-9:15 pm

1 stop8h 55m

$308

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Thu 1/8

1:48 pm-8:40 pm

1 stop5h 52m

Casper Natrona County

Mon 1/12

7:00 am-12:46 pm

1 stop6h 46m

$308

PascoCasper

PSC - CPR

PSCCPR

Pasco Tri Cities

Wed 1/7

6:00 am-4:54 pm

2 stops9h 54m

Casper Natrona County

Sat 1/10

5:30 am-1:46 pm

1 stop9h 16m

$314

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Tue 1/6

12:24 pm-10:14 pm

2 stops8h 50m

Casper Natrona County

Sat 1/10

3:17 pm-9:15 pm

1 stop6h 58m

$314

PortlandCasper

PDX - CPR

PDXCPR

Portland

Fri 2/20

1:40 pm-10:09 pm

2 stops7h 29m

Casper Natrona County

Thu 2/26

5:25 am-9:42 am

1 stop5h 17m

$314

PortlandCasper

PDX - CPR

PDXCPR

Portland

Wed 1/28

1:35 pm-10:14 pm

2 stops7h 39m

Casper Natrona County

Wed 2/4

9:10 am-6:56 pm

2 stops10h 46m

$319

PortlandCasper

PDX - CPR

PDXCPR

Portland

Fri 1/2

5:00 am-12:46 pm

1 stop6h 46m

Casper Natrona County

Fri 1/9

9:00 am-6:10 pm

1 stop10h 10m

$353

PascoCasper

PSC - CPR

PSCCPR

Pasco Tri Cities

Wed 1/7

6:00 am-7:06 pm

2 stops12h 06m

Casper Natrona County

Sat 1/10

9:00 am-1:46 pm

1 stop5h 46m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Casper from

How to get the cheapest flight ticket from State of Washington to Casper

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 day to depart on your flight to Casper?

The cheapest day to depart from State of Washington to Casper is on a Wednesday when prices can be found for as low as $500. The most expensive day to fly to Casper is Tuesday, with ticket prices averaging around $778.

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

The cheapest time of day to fly to Casper is in the morning when flights can be purchased for as low as $596. Flights to Casper are more costly in the afternoon, with an average ticket price of $753. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap State of Washington to Casper flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Casper

Fastest flight time

4h 42m

Direct flights

None
The fastest flight from State of Washington to Casper takes 4h 42m
There are no direct flights from State of Washington to Casper. There are no popular flight routes from State of Washington to Casper.
Search flight deals

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

    Prices for flights from Washington to Casper Natrona County Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The necessary travel and health documents for your Casper Natrona County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Casper

Compare and see reviews for airlines that fly from State of Washington to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,076 reviews
Search United Airlines flights

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Evansville
Douglas

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Casper from Washington.

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

All flight searches from Washington to Casper on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington to Casper flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Casper from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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