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 $374.

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 $500). 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.

What is the cheapest day to fly from Boston to Casper?

Travelers seeking maximum savings on their Boston to Casper flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Boston to Casper?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 52% on the overall cost on flights from Boston to Casper.

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

One of the essential ways to save on airfare from Boston to Casper is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 36% on airfare.

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.

$337+ Flights from Boston to Casper

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Cheap flight deals from Boston to Casper

Round-trip from	$374 (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 julio 2, 2025.

mié. 9/33:30 pmBOS - CPR

1 stop8h 44mUnited Airlines

sáb. 9/65:30 amCPR - BOS

2 stops13h 59mUnited Airlines

Deal found 6/29

$374

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 julio 2, 2025.

mié. 9/35:05 pmBOS - CPR

1 stop7h 09mUnited Airlines

sáb. 9/65:30 amCPR - BOS

2 stops13h 59mUnited Airlines

Deal found 7/1

$374

Last-minute flights from Boston to Casper
Discover last-minute flight deals from Boston to Casper. Data last updated julio 2, 2025 and is based on user searches.

vie. 7/117:30 amBOS - CPR

1 stop9h 10mUnited Airlines

lun. 7/145:59 pmCPR - BOS

1 stop10h 02mUnited Airlines

Deal found 7/1

$659

mar. 7/157:30 amBOS - CPR

1 stop7h 09mUnited Airlines

sáb. 7/195:30 amCPR - BOS

2 stops8h 59mUnited Airlines

Deal found 6/29

$510

One-way flights from Boston to Casper
Search for one-way flight options from Boston to Casper. Find affordable one-way fares based on user searches. Data last updated julio 2, 2025.

jue. 7/3111:45 amBOS - CPR

1 stop7h 08mUnited Airlines

Deal found 6/29

$337

Cheapflights Fare Finder

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

Price

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

mié. 9/3

3:30 pm-10:14 pm

1 stop8h 44m

Casper Natrona County

sáb. 9/6

5:30 am-9:29 pm

2 stops13h 59m

$374

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

jue. 7/31

11:45 am-4:53 pm

1 stop7h 08m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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

8,861 reviews

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

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

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

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 $374.
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 $500). 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

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Alternative routes for Boston to Casper

Top airline flying from Boston to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$525	Average$755	FlexibilityNo cancel fee	On-time69%

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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 7/31. 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

Round-trip from

One-way from

Find 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 julio 2, 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 julio 2, 2025.

Cheapflights Fare Finder

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

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

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 julio 2, 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.

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?

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?

What is the cheapest month to book a flight from Boston to Casper?

Traveling to a place near Boston?

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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

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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 julio 2, 2025.