United States
USD

BOS - CPR

$368 Find Cheap Flights from Boston to Casper - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$368
Typical prices: $483-$759
United Airlines
Mon 12/3Mon 12/10
BOS - CPR • 1 stop
Cheapest one-way
$373
Typical prices: $541-$541
United Airlines
Wed 10/24
BOS - CPR • 1 stop
When to travel
February
Cheapest • 44% price drop
August
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Casper!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Casper (BOS-CPR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Casper

Thu, Dec 3 - Thu, Dec 10
United Airlines Logo
9:20 am - 5:17 pmBOS  Boston Logan Intl-CPR Casper Natrona County
9h 57m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:41 pmCPR  Casper Natrona County-BOS Boston Logan Intl
6h 41m1 stop Denver Intl
$368United Airlines
Thu, Dec 3 - Thu, Dec 10
United Airlines Logo
11:00 am - 6:59 pmBOS  Boston Logan Intl-CPR Casper Natrona County
9h 59m2 stops Newark Denver Intl
United Airlines Logo
5:00 am - 1:41 pmCPR  Casper Natrona County-BOS Boston Logan Intl
6h 41m1 stop Denver Intl
$374United Airlines
Thu, Dec 31 - Thu, Jan 7
United Airlines Logo
4:50 pm - 9:59 pmBOS  Boston Logan Intl-CPR Casper Natrona County
7h 09m1 stop Denver Intl
United Airlines Logo
10:30 am - 7:59 pmCPR  Casper Natrona County-BOS Boston Logan Intl
7h 29m1 stop Denver Intl
$432United Airlines
Thu, Dec 31 - Thu, Jan 7
United Airlines Logo
4:50 pm - 9:59 pmBOS  Boston Logan Intl-CPR Casper Natrona County
7h 09m1 stop Denver Intl
United Airlines Logo
9:10 am - 7:43 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 33m2 stops Denver Intl Newark
$438United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
7:30 am - 12:39 pmBOS  Boston Logan Intl-CPR Casper Natrona County
7h 09m1 stop Denver Intl
United Airlines Logo
11:24 am - 9:33 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 09m1 stop Denver Intl
$439United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
7:30 am - 12:39 pmBOS  Boston Logan Intl-CPR Casper Natrona County
7h 09m1 stop Denver Intl
United Airlines Logo
1:29 pm - 11:59 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 30m2 stops Denver Intl Washington, D.C. Dulles Intl
$444United Airlines
Thu, Dec 31 - Thu, Jan 7
United Airlines Logo
1:16 pm - 8:26 pmBOS  Boston Logan Intl-CPR Casper Natrona County
9h 10m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
9:10 am - 7:25 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 15m2 stops Denver Intl Chicago O'Hare Intl
$459United Airlines
Wed, Dec 9 - Sat, Dec 12
United Airlines Logo
9:20 am - 6:59 pmBOS  Boston Logan Intl-CPR Casper Natrona County
11h 39m1 stop Denver Intl
United Airlines Logo
1:21 pm - 11:58 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 37m1 stop Denver Intl
$488United Airlines
Booking Insights

Price, demand and travel trends for Boston to Casper flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Casper?

Round-trip flights from Boston to Casper typically range from $483 to $759. The lowest price found in the past 5 days was $368, on United Airlines.

Find deals

Key details for Boston to Casper flights

Low season

February

Cheapest flight

$368
Beat the crowds with an average 59% drop in travelers.
Round-trip flight from Boston to Casper

When to book flights from Boston to Casper

Are your dates flexible? Find out the best times to travel from Boston to Casper based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Casper flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Casper?

    Only Economy Class is available on flights from Boston to Casper.

  • Do I need a passport to fly from Boston to Casper?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Boston to Casper flight?

    Round-trip flights from Boston to Casper range from $483 to $759, with an average of $578 over the past 12 months. Anything below $483 counts as a good deal.

  • Have flight prices from Boston to Casper changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $368 to $1,391. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Boston to Casper looking right now?

    One-way fares from Boston to Casper are currently lower than usual. Average one-way flight prices are about $482, which is 11% below the typical average for this route.

  • What car rental options are available at Casper Natrona County Airport (CPR)?

    Casper Natrona County Airport (CPR) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

    • Budget
    • Hertz
    • Avis
    • Enterprise Rent-A-Car
    • Alamo

  • Which airports can I use when flying from Boston to Casper?

    Flights from Boston to Casper usually depart from Boston Logan Intl (BOS) and arrive at Casper Natrona County (CPR).

  • Which airports do connecting flights from Boston to Casper pass through?

    Most connecting flights from Boston to Casper pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Boston to Casper?

    Yes. Flexible dates can save you up to 73% on flights from Boston to Casper. Saturday is the cheapest departure day at $323 round-trip on average, while Sunday is the most expensive at $1,190, a difference of $867.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Boston and Casper?

    Casper is 2 hours behind Boston (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boston to Casper flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $323, about $867 less than Sunday fares (73% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Casper trip for February. Fares historically average $323 round-trip in that month - typically $715 less than the most expensive month, which is November (based on the last 12 months).

More options for your flight from Boston to Casper

Complete your trip to Casper with a hotel stay or car rental

Car rentals in Casper
Hotels in Casper
Vacations in Casper