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$248+ Cheap flights from Casper (CPR) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — SEA
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Casper to Washington

Keep the following information in mind while searching for Casper to Washington flight deals. Data was last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$349
Provider with most accurate pricing for Casper Natrona County-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Casper Natrona County-Seattle/Tacoma Intl flights.
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From Casper Natrona County to Washington
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Highest demand for flights based on searches. 24% potential increase in price ($192 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Casper to Washington

Cheapest flights from Casper to Washington
Explore the most affordable flight options available from Casper to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/911:26 amCPR - PDX
1 stop7h 01mUnited Airlines
Sun 4/135:00 amPDX - CPR
1 stop4h 51mUnited Airlines
Deal found 3/25$248
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:10 pmCPR - GEG
1 stop6h 40mUnited Airlines
Sun 4/134:08 pmGEG - CPR
1 stop5h 03mUnited Airlines
Deal found 3/25$248
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/911:26 amCPR - SEA
1 stop7h 41mUnited Airlines
Sun 4/135:14 amSEA - CPR
1 stop4h 37mUnited Airlines
Deal found 3/25$266

Cheapflights Fare Finder

Customize your flight search to find flights from Casper to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from Casper to Washington that are best for you.

Fly from

Casper

Fly to

Washington

Route

Depart

Return

Price

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Wed 4/9

11:26 am-5:27 pm

1 stop7h 01m

Portland

Sun 4/13

5:00 am-10:51 am

1 stop4h 51m

$248

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Wed 4/9

3:10 pm-8:50 pm

1 stop6h 40m

Spokane

Sun 4/13

4:08 pm-10:11 pm

1 stop5h 03m

$248

CasperSeattle

CPR - SEA

CPRSEA

Casper Natrona County

Wed 4/9

11:26 am-6:07 pm

1 stop7h 41m

Seattle/Tacoma Intl

Sun 4/13

5:14 am-10:51 am

1 stop4h 37m

$266

CasperPortland

CPR - PDX

CPRPDX

Casper Natrona County

Mon 6/9

5:58 pm-10:35 pm

1 stop5h 37m

$249

CasperSeattle

CPR - SEA

CPRSEA

Casper Natrona County

Fri 6/20

7:15 am-3:53 pm

1 stop9h 38m

$464

CasperSeattle

CPR - SEA

CPRSEA

Casper Natrona County

Fri 6/20

1:29 pm-8:30 pm

2 stops8h 01m

$468

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Thu 4/3

3:10 pm-8:50 pm

1 stop6h 40m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Best time to book a flight from Casper to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Casper with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Casper to Washington

What is the cheapest month to book a flight from Casper to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Casper to State of Washington (average of $238). Flying from Casper to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated March 26, 2025.
United Airlines
7.4
Good
8,608 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,608 reviews
United Airlines
7.4
Good
8,608 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Casper to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Casper to Washington?

    Casper Natrona County (CPR), located 8.1 mi from the city center, is the airport you fly out of when you book flights from Casper to Washington.

  • What are the most popular routes from Casper to State of Washington?

    The most popular flight routes from Casper to State of Washington are Casper Natrona County - Seattle/Tacoma Intl, Casper Natrona County - Spokane and Casper Natrona County - Portland.

  • Can I find deals for flights from Casper to Washington that include hotel bookings?

    Yes. In addition to deals on Casper to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Casper to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Washington.

  • Can I find deals for business class flights from Casper to Washington?

    Yes. Cheapflights offers flight deals from Casper to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Casper to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Casper to State of Washington (average of $238). Flying from Casper to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Casper to Washington

Discover the top 2 airlines that operate flights from Casper to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$217Average$267FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$515FlexibilityNo cancel feeOn-time69%
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