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

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

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

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

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

There is 1 operator available for flights from Casper Natrona County Airport to Washington as of June 2026.

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

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 Casper Natrona County Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$299 Cheap Flights from Casper to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Casper to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 3:12 pm

CPR

GEG

7h 27m

1 stop

4:08 pm - 9:59 pm

GEG

CPR

4h 51m

1 stop

$328United Airlines

Sat, Jul 11 - Sat, Jul 18

8:45 am - 3:12 pm

CPR

GEG

7h 27m

1 stop

4:08 pm - 9:59 pm

GEG

CPR

4h 51m

1 stop

$357United Airlines

Sat, Jul 11 - Sat, Jul 18

6:01 pm - 10:59 pm

CPR

SEA

5h 58m

1 stop

5:07 am - 10:53 am

SEA

CPR

4h 46m

1 stop

$358United Airlines

Wed, Nov 25 - Tue, Dec 15

4:15 pm - 10:53 pm

CPR

PDX

7h 38m

1 stop

5:00 am - 10:48 am

PDX

CPR

4h 48m

1 stop

$378United Airlines

Wed, Sep 23 - Sat, Sep 26

9:10 am - 3:19 pm

CPR

GEG

7h 09m

1 stop

5:00 am - 10:53 am

GEG

CPR

4h 53m

1 stop

$378United Airlines

Wed, Oct 28 - Sat, Oct 31

1:25 pm - 6:09 pm

CPR

SEA

5h 44m

1 stop

5:07 am - 10:53 am

SEA

CPR

4h 46m

1 stop

$378United Airlines

Sat, Nov 7 - Sun, Nov 15

1:25 pm - 11:21 pm

CPR

SEA

10h 56m

2 stops

5:07 am - 10:53 am

SEA

CPR

4h 46m

1 stop

$384United Airlines

Sat, Nov 7 - Sun, Nov 15

3:11 pm - 8:49 pm

CPR

GEG

6h 38m

1 stop

1:38 pm - 8:17 pm

GEG

CPR

5h 39m

1 stop

$397United Airlines

Thu, Oct 15 - Tue, Oct 20

6:05 pm - 10:53 pm

CPR

PDX

5h 48m

1 stop

5:00 am - 10:48 am

PDX

CPR

4h 48m

1 stop

$398United Airlines

Wed, Sep 23 - Sat, Sep 26

9:10 am - 3:19 pm

CPR

GEG

7h 09m

1 stop

4:00 pm - 10:12 pm

GEG

CPR

5h 12m

1 stop

$398United Airlines

Wed, Oct 28 - Sat, Oct 31

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Casper to State of Washington

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

United Airlines

Jul 11

CPR8:45 amCasper Natrona County

7h 27m

1 stop

GEG3:12 pmSpokane

Jul 18

GEG4:08 pmSpokane

4h 51m

1 stop

CPR9:59 pmCasper Natrona County

$328

United Airlines

Jul 11

CPR8:45 amCasper Natrona County

7h 27m

1 stop

GEG3:12 pmSpokane

Jul 18

GEG4:08 pmSpokane

4h 51m

1 stop

CPR9:59 pmCasper Natrona County

$357

United Airlines

Nov 25

CPR6:01 pmCasper Natrona County

5h 58m

1 stop

SEA10:59 pmSeattle/Tacoma Intl

Dec 15

SEA5:07 amSeattle/Tacoma Intl

4h 46m

1 stop

CPR10:53 amCasper Natrona County

$358

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Sat 7/11

8:45 am-3:12 pm

1 stop7h 27m

Spokane

Sat 7/18

4:08 pm-9:59 pm

1 stop4h 51m

$328

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Sat 7/11

8:45 am-3:12 pm

1 stop7h 27m

Spokane

Sat 7/18

4:08 pm-9:59 pm

1 stop4h 51m

$357

CasperSeattle

CPR - SEA

CPRSEA

Casper Natrona County

Wed 11/25

6:01 pm-10:59 pm

1 stop5h 58m

Seattle/Tacoma Intl

Tue 12/15

5:07 am-10:53 am

1 stop4h 46m

$358

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 9/23

4:15 pm-10:53 pm

1 stop7h 38m

Portland

Sat 9/26

5:00 am-10:48 am

1 stop4h 48m

$378

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Wed 10/28

9:10 am-3:19 pm

1 stop7h 09m

Spokane

Sat 10/31

5:00 am-10:53 am

1 stop4h 53m

$378

Quickest round-trip

CasperSeattle

CPR - SEA

CPRSEA

Casper Natrona County

Sat 11/7

1:25 pm-6:09 pm

1 stop5h 44m

Seattle/Tacoma Intl

Sun 11/15

5:07 am-10:53 am

1 stop4h 46m

$378

CasperSeattle

CPR - SEA

CPRSEA

Casper Natrona County

Sat 11/7

1:25 pm-11:21 pm

2 stops10h 56m

Seattle/Tacoma Intl

Sun 11/15

5:07 am-10:53 am

1 stop4h 46m

$384

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Thu 10/15

3:11 pm-8:49 pm

1 stop6h 38m

Spokane

Tue 10/20

1:38 pm-8:17 pm

1 stop5h 39m

$397

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 9/23

6:05 pm-10:53 pm

1 stop5h 48m

Portland

Sat 9/26

5:00 am-10:48 am

1 stop4h 48m

$398

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Wed 10/28

9:10 am-3:19 pm

1 stop7h 09m

Spokane

Sat 10/31

4:00 pm-10:12 pm

1 stop5h 12m

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Airlines

What is the cheapest month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Casper, with most prices found around $0. If you aren’t able to travel to State of Washington during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $238.

Cheap Casper to State of Washington flight deals and tips

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

Fastest flight time	4h 51m
Direct flights	None

The fastest flight from Casper to State of Washington takes 4h 51m

There are no direct flights from Casper to State of Washington. There are no popular flight routes from Casper to State of Washington.

Search flight deals

Frequently asked questions about flying from Casper to Washington

When did momondo last update prices for flights from Casper Natrona County Airport to Washington?
Prices for flights from Casper Natrona County Airport to Washington are updated daily.
How many operators does momondo search for flights from Casper Natrona County Airport to Washington?
There is 1 operator available for flights from Casper Natrona County Airport to Washington as of June 2026.
How old do you have to be to fly from Casper Natrona County Airport to Washington?
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 Casper Natrona County Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Casper to State of Washington

Compare and see reviews for airlines that fly from Casper to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $212	Free Cancellation	Rating 7.4 9,804 reviews		Search United Airlines flights

Why use momondo?

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

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 Washington from Casper.

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

Flights from Casper to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Casper to Washington.

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

Yes momondo offers price alerts on flights to Washington from Casper. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.