$288+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — SEA
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Casper to WashingtonExplore 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 October 30, 2026.
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 October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/255:57 pm -
1 stop6h 18m
Wed 12/28:30 am -
1 stop7h 47m
Deal found 10/28![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/275:57 pm -
1 stop6h 18m
Fri 12/48:30 am -
1 stop7h 47m
Deal found 10/27![United Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/115:57 pm -
1 stop6h 18m
Mon 11/235:05 am -
1 stop6h 43m
Deal found 10/27![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/236:00 pm -
1 stop6h 16m
Wed 12/305:00 am -
1 stop4h 58m
Deal found 10/27![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/236:00 pm -
1 stop6h 16m
Sat 1/25:00 am -
1 stop4h 58m
Deal found 10/25![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/143:13 pm -
1 stop6h 58m
Wed 11/181:49 pm -
1 stop5h 43m
Deal found 10/29![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/103:13 pm -
1 stop7h 06m
Sat 11/145:05 am -
1 stop4h 44m
Deal found 10/26![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/127:00 am -
1 stop7h 54m
Mon 11/165:05 am -
1 stop4h 44m
Deal found 10/27![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/51:21 pm -
1 stop9h 04m
Tue 12/89:00 am -
1 stop7h 17m
Deal found 10/29![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/133:24 pm -
1 stop7h 01m
Mon 12/285:00 am -
1 stop4h 58m
Deal found 10/29![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/133:13 pm -
1 stop6h 45m
Tue 11/175:10 am -
1 stop4h 39m
Deal found 10/29![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 11/221:29 pm -
1 stop8h 42m
Sun 11/294:10 pm -
1 stop7h 55m
Deal found 10/25![United Airlines logo]()
$657
Best flights from Casper to WashingtonDiscover carefully curated flight deals from Casper to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Casper to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/115:57 pm -
1 stop6h 18m
Mon 11/235:05 am -
1 stop6h 43m
Deal found 10/27![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/236:00 pm -
1 stop6h 16m
Sat 1/25:00 am -
1 stop4h 58m
Deal found 10/25![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/135:57 pm -
1 stop6h 18m
Tue 11/175:05 am -
1 stop6h 43m
Deal found 10/29![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/51:21 pm -
1 stop9h 04m
Tue 12/89:00 am -
1 stop7h 17m
Deal found 10/29![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/21:21 pm -
2 stops9h 37m
Sat 12/512:50 pm -
1 stop5h 09m
Deal found 10/29![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/133:24 pm -
1 stop7h 01m
Mon 12/285:00 am -
1 stop4h 58m
Deal found 10/29![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/133:13 pm -
1 stop6h 45m
Tue 11/175:10 am -
1 stop4h 39m
Deal found 10/29![United Airlines logo]()
$589
Last-minute flights from Casper to WashingtonDiscover last-minute flight deals from Casper to Washington. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Casper to Washington. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/103:13 pm -
1 stop7h 06m
Sat 11/145:05 am -
1 stop4h 44m
Deal found 10/26![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/115:57 pm -
1 stop6h 18m
Mon 11/235:05 am -
1 stop6h 43m
Deal found 10/27![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/127:00 am -
1 stop7h 54m
Mon 11/165:05 am -
1 stop4h 44m
Deal found 10/27![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/133:13 pm -
1 stop6h 45m
Tue 11/175:10 am -
1 stop4h 39m
Deal found 10/29![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/143:13 pm -
1 stop6h 58m
Wed 11/181:49 pm -
1 stop5h 43m
Deal found 10/29![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 11/221:29 pm -
1 stop8h 42m
Sun 11/294:10 pm -
1 stop7h 55m
Deal found 10/25![United Airlines logo]()
$657
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/255:57 pm -
1 stop6h 18m
Wed 12/28:30 am -
1 stop7h 47m
Deal found 10/28![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/275:57 pm -
1 stop6h 18m
Fri 12/48:30 am -
1 stop7h 47m
Deal found 10/27![United Airlines logo]()
$360
One-way flights from Casper to WashingtonSearch for one-way flight options from Casper to Washington. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Casper to Washington. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/217:00 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/195:57 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/253:13 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/135:57 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/211:24 am -
2 stops11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$469
Find flight deals from Casper to Washington
Keep the following information in mind while searching for Casper to Washington flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (United Airlines) |
One-way from | $288 (United Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $457 |
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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Casper to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CasperSpokane
CPR Casper Natrona County - GEG Spokane
CPRGEG
Casper Natrona County
Sat 11/21
7:00 am-12:47 pm
1 stop6h 47m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$288
Quickest round-trip
CasperSeattle
CPR Casper Natrona County - SEA Seattle/Tacoma Intl
CPRSEA
Casper Natrona County
Thu 11/19
5:57 pm-11:15 pm
1 stop6h 18m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$288
CasperPasco
CPR Casper Natrona County - PSC Pasco Tri Cities
CPRPSC
Casper Natrona County
Wed 11/25
3:13 pm-8:58 pm
1 stop6h 45m
Pasco Tri Cities
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$338
CasperSeattle
CPR Casper Natrona County - SEA Seattle/Tacoma Intl
CPRSEA
Casper Natrona County
Wed 11/11
5:57 pm-11:15 pm
1 stop6h 18m
Seattle/Tacoma Intl
Mon 11/23
5:05 am-12:48 pm
1 stop6h 43m
$363
CasperSeattle
CPR Casper Natrona County - SEA Seattle/Tacoma Intl
CPRSEA
Casper Natrona County
Wed 12/23
6:00 pm-11:16 pm
1 stop6h 16m
Seattle/Tacoma Intl
Sat 1/2
5:00 am-10:58 am
1 stop4h 58m
$377
CasperSeattle
CPR Casper Natrona County - SEA Seattle/Tacoma Intl
CPRSEA
Casper Natrona County
Fri 11/13
5:57 pm-11:15 pm
1 stop6h 18m
Seattle/Tacoma Intl
Tue 11/17
5:05 am-12:48 pm
1 stop6h 43m
$378
CasperSeattle
CPR Casper Natrona County - SEA Seattle/Tacoma Intl
CPRSEA
Casper Natrona County
Fri 11/13
5:15 am-4:27 pm
2 stops12h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
CasperSpokane
CPR Casper Natrona County - GEG Spokane
CPRGEG
Casper Natrona County
Sat 12/5
1:21 pm-9:25 pm
1 stop9h 04m
Spokane
Tue 12/8
9:00 am-5:17 pm
1 stop7h 17m
$448
CasperSeattle
CPR Casper Natrona County - SEA Seattle/Tacoma Intl
CPRSEA
Casper Natrona County
Wed 12/2
1:21 pm-9:58 pm
2 stops9h 37m
Seattle/Tacoma Intl
Sat 12/5
12:50 pm-6:59 pm
1 stop5h 09m
$454
CasperSpokane
CPR Casper Natrona County - GEG Spokane
CPRGEG
Casper Natrona County
Sun 12/13
3:24 pm-9:25 pm
1 stop7h 01m
Spokane
Mon 12/28
5:00 am-10:58 am
1 stop4h 58m
$478
Showing 1-10 of 11 resultsSorted by cheapest first
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.
CPR-GEG
CPR-SEA
CPR-PSC
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
CPR-USWA
CPR-GEG
CPR-SEA
CPR-PSC
No data available for this route at this time. Please check back soon.
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 October 30, 2026.
Read reviews from past customers who have flown United Airlines from Casper to Washington. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Overall
7.3
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Overall
7.3
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
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Casper and Washington flights
Browse other Casper and Washington flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Casper to Washington flights
Consider these flights traveling from Casper to Washington.
Top airline flying from Casper to Washington
Discover the top airline 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$425 | FlexibilityNo cancel fee | On-time69% |