BOS - CPR

$358 Find Cheap Flights from Boston to Casper

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Casper departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Casper

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Casper, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Casper, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Boston to Casper (BOS-CPR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Casper that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Casper

Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
9:30 am - 7:09 pmBOS-CPR
11h 39m1 stop
United Airlines Logo
6:00 pm - 6:00 amCPR-BOS
10h 00m1 stop
$358United Airlines
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Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
8:25 am - 4:52 pmBOS-CPR
10h 27m2 stops
United Airlines Logo
6:00 pm - 6:00 amCPR-BOS
10h 00m1 stop
$360United Airlines
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Fri, Sep 12 - Fri, Sep 19
United Airlines Logo
3:30 pm - 10:14 pmBOS-CPR
8h 44m1 stop
United Airlines Logo
5:50 pm - 5:59 amCPR-BOS
10h 09m1 stop
$367United Airlines
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Fri, Sep 12 - Fri, Sep 19
United Airlines Logo
3:30 pm - 10:14 pmBOS-CPR
8h 44m1 stop
United Airlines Logo
5:50 pm - 9:37 amCPR-BOS
13h 47m2 stops
$375United Airlines
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Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
7:45 am - 7:09 pmBOS-CPR
13h 24m2 stops
United Airlines Logo
6:00 pm - 12:43 pmCPR-BOS
16h 43m2 stops
$378United Airlines
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Fri, Sep 12 - Fri, Sep 19
United Airlines Logo
7:45 am - 7:09 pmBOS-CPR
13h 24m2 stops
United Airlines Logo
5:50 pm - 9:37 amCPR-BOS
13h 47m2 stops
$406United Airlines
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Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
11:50 am - 8:21 pmBOS-CPR
10h 31m1 stop
United Airlines Logo
5:30 am - 2:08 pmCPR-BOS
6h 38m1 stop
$418United Airlines
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Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
9:43 am - 8:21 pmBOS-CPR
12h 38m2 stops
United Airlines Logo
1:37 pm - 11:46 pmCPR-BOS
8h 09m1 stop
$424United Airlines
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Sat, Sep 20 - Fri, Sep 26
United Airlines Logo
6:10 am - 4:52 pmBOS-CPR
12h 42m2 stops
United Airlines Logo
6:00 pm - 5:55 pmCPR-BOS
21h 55m3 stops
$483United Airlines
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Wed, Sep 3 - Sun, Sep 7
United Airlines Logo
1:38 pm - 2:36 pmBOS-CPR
26h 58m3 stops
United Airlines Logo
5:50 pm - 5:59 amCPR-BOS
10h 09m1 stop
$487United Airlines
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Booking Insights

KAYAK's insights & trends for Boston to Casper flights

Get data-powered insights and trends into flights from Boston to Casper to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Boston to Casper?

The average price of all round-trip flights from Boston to Casper clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Casper on a Wednesday and more expensive on a Monday. On your return trip to Boston, you should consider flying back on a Tuesday, and avoid Fridays for better deals.

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Good to know

Cheapest flight$358
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Casper

  • What is the cheapest flight from Boston to Casper?

    In the last 3 days, the lowest price for a flight from Boston to Casper was $358 for a round-trip ticket.

  • Do I need a passport to fly between Boston and Casper?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Boston to Casper?

    Boston airport is called Boston Logan Intl and the only airport in Casper is Casper Natrona County.

  • Which aircraft models fly most regularly from Boston to Casper?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Casper?

    Star Alliance is the only airline alliance operating flights between Boston and Casper.

  • How does KAYAK find such low prices on flights from Boston to Casper?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Casper.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Casper?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Casper from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Casper?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Casper with an airline and back to Boston with another airline. Booking your flights between Boston and CPR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Casper?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Casper from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Boston to Casper

 
See real verified KAYAK customer reviews for airlines flying from Boston to Casper. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Casper? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8928 reviews
6.6Food
7.7Boarding
8.1Crew
7.1Entertainment
7.3Comfort
Airline reviews

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

6.0 GoodMarydoug, Aug 2025SJC - DEN
Read more United Airlines reviews

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

The flight was comfortable with the exit row and great service

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

The service was good, the food could have been better.

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

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

Information on your arrival and departure airports

Boston (BOS)
Casper (CPR)

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