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$337+ Cheap flights from Boston to Casper (BOS - CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPR
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap 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 agosto 14, 2025.

Round-trip from

$368
(United Airlines)

One-way from

$337
(United Airlines)
From Boston Logan Intl to Casper Natrona County
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One-way flight from Boston Logan Intl to Casper Natrona County
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Find flight deals from Boston to Casper

Cheapest flights from Boston to Casper
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 agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 9/39:30 amBOS - CPR
1 stop11h 39mUnited Airlines
sáb. 9/611:00 amCPR - BOS
1 stop10h 46mUnited Airlines
Deal found 8/13$368
This United Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 8/217:30 amBOS - CPR
1 stop11h 22mUnited Airlines
jue. 8/285:50 pmCPR - BOS
1 stop10h 09mUnited Airlines
Deal found 8/14$458
This United Airlines deal was found by Cheapflights users on 8/14. 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.
mar. 8/199:30 amBOS - CPR
1 stop11h 39mUnited Airlines
jue. 8/285:50 pmCPR - BOS
1 stop10h 09mUnited Airlines
Deal found 8/14$493
This United Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 8/2111:50 amBOS - CPR
1 stop10h 31mUnited Airlines
mié. 8/275:30 amCPR - BOS
1 stop6h 37mUnited Airlines
Deal found 8/14$498
This United Airlines deal was found by Cheapflights users on 8/14. 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.
lun. 8/187:35 amBOS - CPR
2 stops14h 51mUnited Airlines
jue. 8/285:50 pmCPR - BOS
1 stop10h 09mUnited Airlines
Deal found 8/14$499
This United Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 8/219:30 amBOS - CPR
1 stop11h 39mUnited Airlines
lun. 8/259:10 amCPR - BOS
2 stops13h 35mUnited Airlines
Deal found 8/14$504
This United Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 8/219:30 amBOS - CPR
2 stops11h 39mUnited Airlines
mar. 8/269:10 amCPR - BOS
2 stops8h 09mUnited Airlines
Deal found 8/14$509
This United Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 8/295:00 pmBOS - CPR
1 stop7h 14mUnited Airlines
lun. 9/11:37 pmCPR - BOS
1 stop8h 09mUnited Airlines
Deal found 8/14$524
This United Airlines deal was found by Cheapflights users on 8/14. 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.
mar. 8/199:30 amBOS - CPR
1 stop11h 39mUnited Airlines
mar. 8/261:37 pmCPR - BOS
1 stop6h 18mUnited Airlines
Deal found 8/14$533

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 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Boston to Casper that are best for you.

Fly from

Boston

Fly to

Casper

Route

Depart

Return

Price

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

mié. 9/3

9:30 am-2:36 pm

1 stop7h 06m

Casper Natrona County

sáb. 9/6

1:37 pm-11:46 pm

1 stop8h 09m

$368

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

jue. 8/21

7:30 am-4:52 pm

1 stop11h 22m

Casper Natrona County

jue. 8/28

5:50 pm-5:59 am

1 stop10h 09m

$458

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

mié. 8/20

11:50 am-8:21 pm

1 stop10h 31m

Casper Natrona County

jue. 8/28

5:50 pm-5:59 am

1 stop10h 09m

$493

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

mar. 8/19

9:30 am-7:09 pm

1 stop11h 39m

Casper Natrona County

jue. 8/28

5:50 pm-5:59 am

1 stop10h 09m

$493

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

jue. 8/21

9:30 am-7:09 pm

1 stop11h 39m

Casper Natrona County

mar. 8/26

1:37 pm-11:46 pm

1 stop8h 09m

$498

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

jue. 10/2

5:05 pm-10:12 pm

1 stop7h 07m

$337

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

lun. 9/29

5:05 pm-10:12 pm

1 stop7h 07m

$337

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

vie. 9/26

9:30 am-2:37 pm

1 stop7h 07m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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.
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 agosto 14, 2025.
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.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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 Boston to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Boston to Casper round-trip?

    Cheapflights users have booked flights from Boston to Casper round-trip from $586.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Casper 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 Boston to Casper?

    Currently, January is the cheapest month in which you can book a flight from Boston to Casper (average of $348). Flying from Boston to Casper in June is currently the most expensive (average of $504). 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

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins

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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 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$586Average$769FlexibilityNo cancel feeOn-time69%

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