$388+ Cheap flights from Boston to Casper (BOS - 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPR
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Find cheap flights from Boston 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 Boston to Casper
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to CasperExplore the most affordable flight options available from Boston to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
Explore the most affordable flight options available from Boston to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
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 12/39:20 am -
1 stop7h 28m
Sat 12/123:24 pm -
1 stop6h 34m
Deal found 10/12![United Airlines logo]()
$388
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.
Tue 10/273:05 pm -
1 stop8h 54m
Sat 10/317:15 am -
1 stop6h 15m
Deal found 10/12![United Airlines logo]()
$458
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.
Wed 12/99:20 am -
1 stop11h 39m
Sat 12/121:21 pm -
1 stop8h 37m
Deal found 10/11![United Airlines logo]()
$488
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.
Sun 11/17:15 am -
1 stop9h 23m
Sat 11/77:00 am -
1 stop6h 30m
Deal found 10/11![United Airlines logo]()
$493
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.
Thu 12/314:50 pm -
1 stop7h 09m
Sun 1/36:00 pm -
2 stops16h 10m
Deal found 10/11![United Airlines logo]()
$529
Best flights from Boston to CasperDiscover carefully curated flight deals from Boston to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from Boston to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 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 10/2911:34 am -
1 stop9h 19m
Mon 11/25:15 am -
1 stop6h 27m
Deal found 10/14![United Airlines logo]()
$458
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.
Tue 10/2711:34 am -
1 stop7h 43m
Sat 10/317:15 am -
2 stops8h 30m
Deal found 10/12![United Airlines logo]()
$464
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.
Wed 12/99:20 am -
1 stop11h 39m
Sat 12/121:21 pm -
1 stop8h 37m
Deal found 10/11![United Airlines logo]()
$488
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.
Sun 11/17:15 am -
1 stop9h 23m
Sat 11/77:00 am -
1 stop6h 30m
Deal found 10/11![United Airlines logo]()
$493
Last-minute flights from Boston to CasperDiscover last-minute flight deals from Boston to Casper. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Casper. Data last updated October 15, 2026 and is based on user searches.
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 10/145:08 pm -
1 stop6h 56m
Sun 10/1811:23 am -
1 stop8h 26m
Deal found 10/14![United Airlines logo]()
$618
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.
Mon 10/1910:36 am -
2 stops13h 28m
Fri 11/131:29 pm -
1 stop8h 21m
Deal found 10/10![United Airlines logo]()
$649
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.
Wed 10/217:30 am -
1 stop11h 41m
Sun 10/255:57 pm -
1 stop9h 55m
Deal found 10/10![United Airlines logo]()
$603
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.
Tue 10/273:05 pm -
1 stop8h 54m
Sat 10/317:15 am -
1 stop6h 15m
Deal found 10/12![United Airlines logo]()
$458
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.
Sun 11/17:15 am -
1 stop9h 23m
Sat 11/77:00 am -
1 stop6h 30m
Deal found 10/11![United Airlines logo]()
$493
One-way flights from Boston to CasperSearch for one-way flight options from Boston to Casper. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from Boston to Casper. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
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.
Sat 10/249:30 am -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![United Airlines logo]()
$443
Find flight deals from Boston to Casper
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $388 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 15, 2026.
Use the filters below to find and compare flights from Boston to Casper that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonCasper
BOS Boston Logan Intl - CPR Casper Natrona County
BOSCPR
Boston Logan Intl
Sat 10/24
9:30 am-2:36 pm
1 stop7h 06m
Casper Natrona County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$443
BostonCasper
BOS Boston Logan Intl - CPR Casper Natrona County
BOSCPR
Boston Logan Intl
Thu 10/29
11:34 am-6:53 pm
1 stop9h 19m
Casper Natrona County
Mon 11/2
5:15 am-1:42 pm
1 stop6h 27m
$458
BostonCasper
BOS Boston Logan Intl - CPR Casper Natrona County
BOSCPR
Boston Logan Intl
Tue 10/27
11:34 am-5:17 pm
1 stop7h 43m
Casper Natrona County
Sat 10/31
7:15 am-5:45 pm
2 stops8h 30m
$464
BostonCasper
BOS Boston Logan Intl - CPR Casper Natrona County
BOSCPR
Boston Logan Intl
Wed 12/9
9:20 am-6:59 pm
1 stop11h 39m
Casper Natrona County
Sat 12/12
1:21 pm-11:58 pm
1 stop8h 37m
$488
BostonCasper
BOS Boston Logan Intl - CPR Casper Natrona County
BOSCPR
Boston Logan Intl
Sun 11/1
7:15 am-2:38 pm
1 stop9h 23m
Casper Natrona County
Sat 11/7
7:00 am-3:30 pm
1 stop6h 30m
$493
Sorted by cheapest first
Compare providers for flights from Boston 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 Boston 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 Boston-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Casper flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to Casper
Have a flexible travel schedule? Discover the best time to fly to Casper from Boston with our price prediction graph.
BOS-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.
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 15, 2026.
Read reviews from past customers who have flown United Airlines from Boston to Casper. 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.
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.7
Crew
8.1
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Boston 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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Top airline flying from Boston to Casper
Discover the top airline that operate flights from Boston 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$472 | Average$664 | FlexibilityNo cancel fee | On-time69% |