$329+ Cheap flights from Casper to Boise (CPR - BOI)
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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — BOI
Nov 15 — Nov 221
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Casper to Boise
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Best
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Cheapest flights from Casper to BoiseExplore the most affordable flight options available from Casper to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
Explore the most affordable flight options available from Casper to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/295:57 pm -
1 stop5h 02m
Mon 11/25:44 pm -
1 stop4h 15m
Deal found 10/14![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/288:55 am -
1 stop4h 50m
Sun 11/15:44 pm -
1 stop4h 15m
Deal found 10/13![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/215:15 am -
1 stop4h 19m
Sat 10/2410:35 am -
1 stop4h 01m
Deal found 10/14![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/2310:06 am -
1 stop7h 37m
Sat 11/75:00 am -
1 stop7h 48m
Deal found 10/12![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/261:19 pm -
1 stop8h 24m
Thu 1/72:35 pm -
1 stop5h 59m
Deal found 10/15![United Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/221:19 pm -
1 stop8h 24m
Tue 12/296:20 am -
1 stop8h 23m
Deal found 10/13![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/261:19 pm -
1 stop8h 24m
Sat 1/26:20 am -
1 stop8h 23m
Deal found 10/15![United Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/227:15 am -
1 stop6h 23m
Thu 10/225:30 pm -
1 stop4h 34m
Deal found 10/12![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/193:11 pm -
1 stop6h 24m
Thu 10/2210:30 am -
1 stop6h 41m
Deal found 10/12![United Airlines logo]()
$756
Best flights from Casper to BoiseDiscover carefully curated flight deals from Casper to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
Discover carefully curated flight deals from Casper to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/288:55 am -
1 stop4h 50m
Sun 11/15:44 pm -
1 stop4h 15m
Deal found 10/13![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/261:19 pm -
1 stop8h 24m
Thu 1/72:35 pm -
1 stop5h 59m
Deal found 10/15![United Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/221:19 pm -
1 stop8h 24m
Tue 12/296:20 am -
1 stop8h 23m
Deal found 10/13![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/2610:06 am -
2 stops11h 30m
Sat 1/26:20 am -
1 stop8h 23m
Deal found 10/15![United Airlines logo]()
$1,096
Last-minute flights from Casper to BoiseDiscover last-minute flight deals from Casper to Boise. Data last updated October 16, 2026 and is based on user searches.
Discover last-minute flight deals from Casper to Boise. Data last updated October 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/193:11 pm -
1 stop6h 24m
Thu 10/2210:30 am -
1 stop6h 41m
Deal found 10/12![United Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/1910:06 am -
1 stop7h 37m
Fri 10/2312:26 pm -
2 stops20h 33m
Deal found 10/12![United Airlines logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/215:15 am -
1 stop4h 19m
Sat 10/2410:35 am -
1 stop4h 01m
Deal found 10/14![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/227:15 am -
1 stop6h 23m
Thu 10/225:30 pm -
1 stop4h 34m
Deal found 10/12![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/2310:06 am -
1 stop7h 37m
Sat 11/75:00 am -
1 stop7h 48m
Deal found 10/12![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/288:55 am -
1 stop4h 50m
Sun 11/15:44 pm -
1 stop4h 15m
Deal found 10/13![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/295:57 pm -
1 stop5h 02m
Mon 11/25:44 pm -
1 stop4h 15m
Deal found 10/14![United Airlines logo]()
$358
One-way flights from Casper to BoiseSearch for one-way flight options from Casper to Boise. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
Search for one-way flight options from Casper to Boise. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/261:19 pm -
1 stop8h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/216:00 pm -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/231:20 pm -
2 stops22h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/2411:23 am -
2 stops24h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/255:15 am -
2 stops30h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$717
Find flight deals from Casper to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Casper (CPR) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (United Airlines) |
One-way from | $329 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Casper to Boise 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 16, 2026.
Use the filters below to find and compare flights from Casper to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Wed 10/28
8:55 am-1:45 pm
1 stop4h 50m
Boise Air Term. Gowen Fld
Sun 11/1
5:44 pm-9:59 pm
1 stop4h 15m
$366
Quickest round-trip
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Sat 10/24
1:20 pm-5:43 pm
1 stop4h 23m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$378
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Fri 10/23
7:15 am-1:38 pm
1 stop6h 23m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$378
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Thu 10/22
3:11 pm-9:35 pm
1 stop6h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$378
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Sat 12/26
1:19 pm-9:43 pm
1 stop8h 24m
Boise Air Term. Gowen Fld
Thu 1/7
2:35 pm-8:34 pm
1 stop5h 59m
$532
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Tue 12/22
1:19 pm-9:43 pm
1 stop8h 24m
Boise Air Term. Gowen Fld
Tue 12/29
6:20 am-2:43 pm
1 stop8h 23m
$567
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Sat 12/26
7:00 am-11:44 pm
2 stops16h 44m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$609
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Wed 10/21
1:20 pm-11:59 pm
2 stops10h 39m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$734
CasperBoise
CPR Casper Natrona County - BOI Boise Air Term. Gowen Fld
CPRBOI
Casper Natrona County
Sat 12/26
10:06 am-9:36 pm
2 stops11h 30m
Boise Air Term. Gowen Fld
Sat 1/2
6:20 am-2:43 pm
1 stop8h 23m
$1,096
Sorted by cheapest first
Compare providers for flights from Casper to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Casper to Boise in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Casper-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Casper-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Casper-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Casper-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casper-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Casper to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Casper with our price prediction graph.
CPR-BOI
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.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated October 16, 2026.
Get a feel of what it's like to fly with United Airlines from Casper to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
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 Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
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Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2026.
Complete your trip
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Casper and Boise flights
Browse other Casper and Boise flight options. Last updated on October 16, 2026.
Other flights from Casper
Browse through other flights departing from Casper. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Casper to Boise
Discover the top airline that operate flights from Casper to Boise. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$218 | Average$408 | FlexibilityNo cancel fee | On-time69% |