$328+ Cheap flights from Boise to Casper (BOI - CPR)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPR
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Casper with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Boise to Casper
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to CasperExplore the most affordable flight options available from Boise to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
Explore the most affordable flight options available from Boise to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 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.
Fri 12/42:48 pm -
1 stop5h 54m
Tue 12/85:00 am -
1 stop4h 59m
Deal found 10/13![United Airlines logo]()
$328
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.
Fri 10/305:00 am -
1 stop5h 49m
Tue 11/37:00 am -
1 stop6h 45m
Deal found 10/13![United Airlines logo]()
$343
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 11/245:44 pm -
1 stop4h 15m
Thu 11/265:15 am -
1 stop4h 37m
Deal found 10/13![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/65:44 pm -
1 stop4h 15m
Sat 11/143:13 pm -
1 stop6h 21m
Deal found 10/10![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/312:51 pm -
1 stop4h 02m
Tue 11/31:29 pm -
1 stop8h 03m
Deal found 10/11![United Airlines logo]()
$413
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 11/32:51 pm -
1 stop4h 02m
Thu 11/55:57 pm -
1 stop5h 02m
Deal found 10/13![United Airlines logo]()
$556
Best flights from Boise to CasperDiscover carefully curated flight deals from Boise to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Boise to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 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.
Fri 12/42:48 pm -
1 stop5h 54m
Tue 12/85:00 am -
1 stop4h 59m
Deal found 10/13![United Airlines logo]()
$328
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 11/245:44 pm -
1 stop4h 15m
Thu 11/265:15 am -
1 stop4h 37m
Deal found 10/13![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/65:44 pm -
1 stop4h 15m
Sat 11/143:13 pm -
1 stop6h 21m
Deal found 10/11![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/312:51 pm -
1 stop4h 02m
Tue 11/31:29 pm -
1 stop8h 03m
Deal found 10/11![United Airlines logo]()
$413
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 11/32:51 pm -
1 stop4h 02m
Thu 11/55:57 pm -
1 stop5h 02m
Deal found 10/13![United Airlines logo]()
$556
Last-minute flights from Boise to CasperDiscover last-minute flight deals from Boise to Casper. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Casper. Data last updated October 13, 2026 and is based on user searches.
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.
Fri 10/305:00 am -
1 stop5h 49m
Tue 11/37:00 am -
1 stop6h 45m
Deal found 10/13![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/312:51 pm -
1 stop4h 02m
Tue 11/31:29 pm -
1 stop8h 03m
Deal found 10/11![United Airlines logo]()
$413
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 11/32:51 pm -
1 stop4h 02m
Thu 11/55:57 pm -
1 stop5h 02m
Deal found 10/13![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/65:44 pm -
1 stop4h 15m
Sat 11/143:13 pm -
1 stop6h 21m
Deal found 10/10![United Airlines logo]()
$398
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 11/245:44 pm -
1 stop4h 15m
Thu 11/265:15 am -
1 stop4h 37m
Deal found 10/13![United Airlines logo]()
$376
One-way flights from Boise to CasperSearch for one-way flight options from Boise to Casper. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
Search for one-way flight options from Boise to Casper. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This deal was found by Cheapflights users on 10/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:20 am -
1 stop4h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![United Airlines logo]()
$328
This deal was found by Cheapflights users on 10/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:43 pm -
1 stop4h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![United Airlines logo]()
$403
Find flight deals from Boise to Casper
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Casper (CPR). 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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (United Airlines) |
One-way from | $328 |
Popular in | May |
Cheapest in | October |
Average price | $237 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Casper 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 13, 2026.
Use the filters below to find and compare flights from Boise to Casper that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Tue 12/22
6:20 am-10:58 am
1 stop4h 38m
Casper Natrona County
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$328
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Fri 12/4
2:48 pm-8:42 pm
1 stop5h 54m
Casper Natrona County
Tue 12/8
5:00 am-9:59 am
1 stop4h 59m
$328
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Tue 11/24
5:44 pm-9:59 pm
1 stop4h 15m
Casper Natrona County
Thu 11/26
5:15 am-9:52 am
1 stop4h 37m
$376
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Fri 11/6
5:44 pm-9:59 pm
1 stop4h 15m
Casper Natrona County
Sat 11/14
3:13 pm-9:34 pm
1 stop6h 21m
$398
Quickest round-trip
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Wed 12/23
2:43 pm-7:06 pm
1 stop4h 23m
Casper Natrona County
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$403
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Sat 10/31
2:51 pm-6:53 pm
1 stop4h 02m
Casper Natrona County
Tue 11/3
1:29 pm-9:32 pm
1 stop8h 03m
$413
BoiseCasper
BOI Boise Air Term. Gowen Fld - CPR Casper Natrona County
BOICPR
Boise Air Term. Gowen Fld
Tue 11/3
2:51 pm-6:53 pm
1 stop4h 02m
Casper Natrona County
Thu 11/5
5:57 pm-10:59 pm
1 stop5h 02m
$556
Sorted by cheapest first
Compare providers for flights from Boise to Casper
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 Boise to Casper 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 Boise-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Casper flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Casper 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 Boise-Casper 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 Boise to Casper
Have a flexible travel schedule? Discover the best time to fly to Casper from Boise with our price prediction graph.
BOI-CPR
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 Boise to Casper
Reviews of airlines servicing Casper
Get insights into the airlines that provide service to Casper. 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 Casper. Reviews last updated October 13, 2026.
Read through reviews of airlines operating flights from Boise to Casper, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.7
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Food
6.7
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Boise to Casper. 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 Casper?
Book flights to Casper if you plan to visit one of these locationsRawlins
Douglas
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Other flights to Casper
Explore flights to Casper departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.
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Boise and Casper flights
Browse other Boise and Casper flight options. Last updated on October 13, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boise to Casper
Discover the top airline that operate flights from Boise to Casper. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$318 | FlexibilityNo cancel fee | On-time69% |