How long does it take to fly to Casper?

The flight from State of Washington to Casper depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Spokane (a popular airport in State of Washington) to Casper (the most popular airport in Casper), then the flight time is 4h 35m on average. If you fly from Pasco (another popular airport in State of Washington) to Casper, then the average flight time is 4h 59m.

What is the cheapest airline that flies from Washington to Casper Natrona County?

United Airlines is the most popular carrier operating from Washington to Casper Natrona County

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?

As of August 2025, there are 2 operators available to choose from 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.

$233 Cheap Flights from Washington to Casper in 2025

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Find the cheapest flights from Washington to Casper

Round-trip

One-way

Last minute

Cheap round-trip flights

5:00 am - 10:50 amPDX-CPR

4h 50m1 stop

5:50 pm - 10:42 pmCPR-PDX

5h 52m1 stop

$248United Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

5:15 am - 10:50 amGEG-CPR

4h 35m1 stop

9:10 am - 3:13 pmCPR-GEG

7h 03m1 stop

$293United Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

5:02 am - 2:36 pmSEA-CPR

8h 34m1 stop

1:37 pm - 5:58 pmCPR-SEA

5h 21m1 stop

$308United Airlines

Find Deal

Fri, Aug 29 - Sun, Aug 31

12:40 pm - 10:12 pmPDX-CPR

8h 32m1 stop

6:01 pm - 10:38 pmCPR-PDX

5h 37m1 stop

$308United Airlines

Find Deal

Thu, Jan 29 - Wed, Feb 4

5:15 am - 10:50 amGEG-CPR

4h 35m1 stop

5:30 am - 12:36 pmCPR-GEG

8h 06m1 stop

$308United Airlines

Find Deal

Tue, Aug 26 - Sat, Aug 30

1:05 pm - 10:14 pmSEA-CPR

8h 09m2 stops

5:30 am - 1:28 pmCPR-SEA

8h 58m1 stop

$314United Airlines

Find Deal

Sat, Aug 30 - Thu, Sep 4

4:05 pm - 10:12 pmPDX-CPR

5h 07m1 stop

1:25 pm - 8:05 pmCPR-PDX

7h 40m2 stops

$314United Airlines

Find Deal

Wed, Jan 28 - Wed, Feb 4

1:05 pm - 10:14 pmSEA-CPR

8h 09m2 stops

1:37 pm - 10:59 pmCPR-SEA

10h 22m2 stops

$319United Airlines

Find Deal

Wed, Sep 3 - Sat, Sep 6

7:30 am - 10:12 pmPDX-CPR

13h 42m2 stops

1:25 pm - 8:05 pmCPR-PDX

7h 40m2 stops

$319United Airlines

Find Deal

Wed, Jan 28 - Wed, Feb 4

4:07 pm - 10:14 pmPDX-CPR

5h 07m1 stop

5:30 am - 9:28 amCPR-PDX

4h 58m1 stop

$323United Airlines

Find Deal

Thu, Sep 18 - Sun, Sep 21

United Airlines flights from State of Washington to Casper

Our best United Airlines deals on State of Washington to Casper flight tickets

United Airlines

Aug 21

PDX5:00 amPortland

4h 50m

1 stop

CPR10:50 amCasper Natrona County

Aug 25

CPR5:50 pmCasper Natrona County

5h 52m

1 stop

PDX10:42 pmPortland

$248

Find similar

United Airlines

Aug 21

GEG5:15 amSpokane

4h 35m

1 stop

CPR10:50 amCasper Natrona County

Aug 25

CPR9:10 amCasper Natrona County

7h 03m

1 stop

GEG3:13 pmSpokane

$293

Find similar

United Airlines

Aug 26

GEG5:15 amSpokane

4h 35m

1 stop

CPR10:50 amCasper Natrona County

Aug 30

CPR5:30 amCasper Natrona County

8h 06m

1 stop

GEG12:36 pmSpokane

$308

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandCasper

PDX - CPR

PDXCPR

Portland

Thu 8/21

5:00 am-10:50 am

1 stop4h 50m

Casper Natrona County

Mon 8/25

5:50 pm-10:42 pm

1 stop5h 52m

$248

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Thu 8/21

5:15 am-10:50 am

1 stop4h 35m

Casper Natrona County

Mon 8/25

9:10 am-3:13 pm

1 stop7h 03m

$293

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Fri 8/29

5:02 am-2:36 pm

1 stop8h 34m

Casper Natrona County

Sun 8/31

1:37 pm-5:58 pm

1 stop5h 21m

$308

PortlandCasper

PDX - CPR

PDXCPR

Portland

Thu 1/29

12:40 pm-10:12 pm

1 stop8h 32m

Casper Natrona County

Wed 2/4

6:01 pm-10:38 pm

1 stop5h 37m

$308

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 8/26

5:15 am-10:50 am

1 stop4h 35m

Casper Natrona County

Sat 8/30

5:30 am-12:36 pm

1 stop8h 06m

$308

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Sat 8/30

1:05 pm-10:14 pm

2 stops8h 09m

Casper Natrona County

Thu 9/4

5:30 am-1:28 pm

1 stop8h 58m

$314

PortlandCasper

PDX - CPR

PDXCPR

Portland

Wed 1/28

4:05 pm-10:12 pm

1 stop5h 07m

Casper Natrona County

Wed 2/4

1:25 pm-8:05 pm

2 stops7h 40m

$314

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Wed 9/3

1:05 pm-10:14 pm

2 stops8h 09m

Casper Natrona County

Sat 9/6

1:37 pm-10:59 pm

2 stops10h 22m

$319

PortlandCasper

PDX - CPR

PDXCPR

Portland

Wed 1/28

7:30 am-10:12 pm

2 stops13h 42m

Casper Natrona County

Wed 2/4

1:25 pm-8:05 pm

2 stops7h 40m

$319

PortlandCasper

PDX - CPR

PDXCPR

Portland

Thu 9/18

4:07 pm-10:14 pm

1 stop5h 07m

Casper Natrona County

Sun 9/21

5:30 am-9:28 am

1 stop4h 58m

$323

Flights are sorted by cheapest round-trip flights first.

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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

Prices

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Other information

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

Best Price Found	$233
Fastest flight time	4h 35m
Direct flights	None
Airports in Casper	1 airport

The best one-way flight to Casper from State of Washington in the past 72 hours is $233. The best round-trip flight deal from State of Washington to Casper found on momondo in the last 72 hours is $248.

The fastest flight from State of Washington to Casper takes 4h 35m

There are no direct flights from State of Washington to Casper. Popular non-direct routes for this connection are Portland Airport - Casper Natrona County Airport, Spokane Airport - Casper Natrona County Airport and Seattle/Tacoma Intl Airport - Casper Natrona County Airport.

There is 1 airport near Casper: Casper Natrona County (CPR)

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?
As of August 2025, there are 2 operators available to choose from 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 Airlines	PriceFrom $253	Free Cancellation	Rating 7.4 8,917 reviews		Search United Airlines flights

Rawlins

Evansville

Douglas

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

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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.

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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 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from State of Washington to Casper

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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?

What is the cheapest airline that flies from Washington to Casper Natrona County?

United Airlines is the most popular carrier operating from Washington to Casper Natrona County

How long does it take to fly to Casper?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Casper

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

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?

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

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

Traveling to a place near Casper?

Why use momondo?

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

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

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

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

An easier way to manage your Casper trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Wyoming