How long is the flight from Boston to Casper?

A quick flight from Boston to Casper can take about 11h 17m. United Airlines provides one of the quickest options available for as low as $399. 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 $608.

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.

$399+ Flights from Boston to Casper

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Cheap flight deals from Boston to Casper

Round-trip from	$374 (United Airlines)

From Boston Logan Intl to Casper Natrona County

Search Deals

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 September 14, 2025.

Tue 9/309:30 amBOS - CPR

1 stop11h 17mUnited Airlines

Tue 10/76:00 pmCPR - BOS

2 stops14h 31mUnited Airlines

Deal found 9/12

$399

Tue 10/76:00 amBOS - CPR

2 stops12h 53mUnited Airlines

Tue 10/1411:22 amCPR - BOS

1 stop10h 22mUnited Airlines

Deal found 9/13

$439

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 September 14, 2025.

Tue 9/309:30 amBOS - CPR

1 stop11h 17mUnited Airlines

Tue 10/76:00 pmCPR - BOS

2 stops14h 31mUnited Airlines

Deal found 9/12

$399

Tue 10/76:00 amBOS - CPR

2 stops12h 53mUnited Airlines

Tue 10/146:00 pmCPR - BOS

2 stops14h 31mUnited Airlines

Deal found 9/13

$404

Last-minute flights from Boston to Casper
Discover last-minute flight deals from Boston to Casper. Data last updated September 14, 2025 and is based on user searches.

Tue 9/309:30 amBOS - CPR

1 stop11h 17mUnited Airlines

Tue 10/76:00 pmCPR - BOS

2 stops14h 31mUnited Airlines

Deal found 9/12

$399

Tue 10/76:00 amBOS - CPR

2 stops12h 53mUnited Airlines

Tue 10/1411:22 amCPR - BOS

1 stop10h 22mUnited Airlines

Deal found 9/13

$439

Fly from

Fly to

Route

Depart

Return

Price

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

Tue 9/30

9:30 am-6:47 pm

1 stop11h 17m

Casper Natrona County

Tue 10/7

6:00 pm-10:31 am

2 stops14h 31m

$399

BostonCasper

BOS - CPR

BOSCPR

Boston Logan Intl

Tue 10/7

6:00 am-4:53 pm

2 stops12h 53m

Casper Natrona County

Tue 10/14

6:00 pm-10:31 am

2 stops14h 31m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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

8,934 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

8,934 reviews

United Airlines

7.4

Good

8,934 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

How long is the flight from Boston to Casper?
A quick flight from Boston to Casper can take about 11h 17m. United Airlines provides one of the quickest options available for as low as $399. 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 $608.
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$608	Average$815	FlexibilityNo cancel fee	On-time69%

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$399+ 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 9/30. 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

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 September 14, 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 September 14, 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

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?

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

Traveling to a place near Casper?

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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 September 14, 2025.