How long is the flight from Boston to Casper?

A quick flight from Boston to Casper can take about 11h 23m. United Airlines provides one of the quickest options available for as low as $388. The distance from Boston to Casper is about 1788 mi.

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 $472.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from BOS to CPR?

When flying from Boston to Casper, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Boston-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Casper flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$388+ Flights from Boston to Casper

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Cheap 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 December 15, 2025.

Thu 12/184:47 pmBOS - CPR

1 stop7h 38mUnited Airlines

Sat 12/201:22 pmCPR - BOS

2 stops9h 23mUnited Airlines

Deal found 12/14

$514

Best flights from Boston to Casper
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 December 15, 2025.

Thu 1/811:17 amBOS - CPR

1 stop7h 37mUnited Airlines

Mon 1/125:30 amCPR - BOS

1 stop6h 32mUnited Airlines

Deal found 12/12

$388

Wed 2/183:09 pmBOS - CPR

1 stop7h 17mUnited Airlines

Sun 2/226:08 pmCPR - BOS

1 stop9h 44mUnited Airlines

Deal found 12/13

$613

Last-minute flights from Boston to Casper
Discover last-minute flight deals from Boston to Casper. Data last updated December 15, 2025 and is based on user searches.

Thu 12/184:47 pmBOS - CPR

1 stop7h 38mUnited Airlines

Sat 12/201:22 pmCPR - BOS

2 stops9h 23mUnited Airlines

Deal found 12/14

$514

Thu 1/811:17 amBOS - CPR

1 stop11h 23mUnited Airlines

Mon 1/1211:28 amCPR - BOS

1 stop10h 18mUnited Airlines

Deal found 12/14

$388

Find flight deals from Boston to Casper

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$388 (United Airlines)

Provider with most accurate pricing for Boston Logan Intl-Casper Natrona County flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Casper Natrona County flights.

Search Deals

From Boston Logan Intl to Casper Natrona County

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

Thu 1/8

11:17 am-4:54 pm

1 stop7h 37m

Casper Natrona County

Mon 1/12

5:30 am-2:02 pm

1 stop6h 32m

$388

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

Wed 2/18

3:09 pm-8:26 pm

1 stop7h 17m

Casper Natrona County

Sun 2/22

6:08 pm-5:52 am

1 stop9h 44m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Compare providers for flights from Boston to Casper

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Casper in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boston-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Casper flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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

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

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Boston to Casper?
A quick flight from Boston to Casper can take about 11h 23m. United Airlines provides one of the quickest options available for as low as $388. The distance from Boston to Casper is about 1788 mi.
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 $472.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Casper

Top airline flying from Boston to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$472	Average$755	FlexibilityNo cancel fee	On-time69%

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$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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Casper

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 December 15, 2025.

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 December 15, 2025.

Find flight deals from Boston to Casper

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Casper that are best for you.

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 December.

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.

Reviews of airlines servicing Casper

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.

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.

How long is the flight from Boston to Casper?

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

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

How can I find direct flights from Boston to Casper?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Casper

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boston to Casper

100% Free

Book with Flexibility

Travel Smart

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 December 15, 2025.