BOS - CPR

$373 Find Cheap Flights from Boston to Casper - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$418
Typical prices: $483-$759
United Airlines
Sat 9/1Wed 9/5
BOS - CPR • 1 stop
Cheapest one-way
$373
Typical prices: $541-$541
United Airlines
Sun 9/16
BOS - CPR • 1 stop
When to travel
February
Cheapest • 44% price drop
August
Most popular
Good to know
+1
Good to know
+1
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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

Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
11:55 am - 7:09 pmBOS  Boston Logan Intl-CPR Casper Natrona County
9h 14m1 stop Denver Intl
United Airlines Logo
11:24 am - 7:55 pmCPR  Casper Natrona County-BOS Boston Logan Intl
6h 31m1 stop Denver Intl
$418United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
9:30 am - 5:03 pmBOS  Boston Logan Intl-CPR Casper Natrona County
9h 33m1 stop Denver Intl
United Airlines Logo
5:15 am - 1:42 pmCPR  Casper Natrona County-BOS Boston Logan Intl
6h 27m1 stop Denver Intl
$420United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
9:35 am - 2:46 pmBOS  Boston Logan Intl-CPR Casper Natrona County
7h 11m1 stop Denver Intl
United Airlines Logo
10:01 am - 9:58 pmCPR  Casper Natrona County-BOS Boston Logan Intl
9h 57m2 stops Denver Intl Chicago O'Hare Intl
$424United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
10:38 am - 5:18 pmBOS  Boston Logan Intl-CPR Casper Natrona County
8h 40m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
1:26 pm - 11:59 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 33m2 stops Denver Intl Washington, D.C. Dulles Intl
$429United Airlines
Fri, Dec 4 - Tue, Dec 8
United Airlines Logo
11:45 am - 8:17 pmBOS  Boston Logan Intl-CPR Casper Natrona County
10h 32m1 stop Denver Intl
United Airlines Logo
11:25 am - 11:42 pmCPR  Casper Natrona County-BOS Boston Logan Intl
10h 17m1 stop Denver Intl
$448United Airlines
Fri, Dec 4 - Tue, Dec 8
United Airlines Logo
7:30 am - 5:04 pmBOS  Boston Logan Intl-CPR Casper Natrona County
11h 34m1 stop Denver Intl
United Airlines Logo
9:10 am - 7:59 pmCPR  Casper Natrona County-BOS Boston Logan Intl
8h 49m1 stop Denver Intl
$448United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
9:30 am - 7:09 pmBOS  Boston Logan Intl-CPR Casper Natrona County
11h 39m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
5:57 pm - 5:52 amCPR  Casper Natrona County-BOS Boston Logan Intl
9h 55m1 stop Denver Intl
$454United 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 from Boston to Casper with more confidence.

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

Round-trip flights from Boston to Casper start at $418. Prices are below average for this route right now, with typical round-trip fares ranging from $483 to $759. The lowest price found in the past 5 days was $418 on United Airlines.

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Key details for Boston to Casper flights

Low season

February

Cheapest flight

$373
Best time to beat the crowds with an average 44% drop in price.
Most popular time to fly with an average 17% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

  • 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. Other layover airports each see under 5%.

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

    On the Boston to Casper route, being flexible with your departure day can save you up to 73%. Saturday is the cheapest day at $323 round-trip on average, while Sunday is the most expensive at $1,190: a $867 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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.

  • 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 varied from about $418 to $713. That means the highest observed fare was about 70% 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 $404, which is 26% below the typical average for this route.

  • 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.

  • 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

  • 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.

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 can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $323 - about $867 less than Sunday (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).

Everything you need to know for your flight from Boston to Casper

Information on your arrival and departure airports

Boston (BOS)
Casper (CPR)