$5,668 Cheap Flights from Boston (BOS) to Kostanay (KSN)

View $5,668 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Kostanay (KSN)

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Cheap Flights from Boston to Kostanay (BOS-KSN)

Prices were available within the past 7 days and start at $5,668 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Kostanay Airport (KSN) cost?
Snag a cheap one-way flight from $5,668 or cheap return flight from Logan Intl. Airport (BOS) to Kostanay Airport (KSN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Kostanay Airport (KSN)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between BOS and KSN. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Kostanay Airport (KSN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BOS to KSN. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Logan Intl. Airport (BOS) to Kostanay Airport (KSN)?
Direct flights from Logan Intl. Airport (BOS) to Kostanay Airport (KSN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to KSN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Kostanay Airport (KSN)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Kostanay Airport (KSN) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Kostanay Airport (KSN) last-minute?
Booking your plane ticket from BOS to KSN shortly before your getaway is generally more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a BOS to KSN flight and hotel package?
You'll generally save money by booking a BOS to KSN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Kostanay Airport (KSN)?
Generally, it's possible to cancel or reschedule your BOS to KSN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
Kostanay
Distance
5302 mi

Book with confidence

Book with confidence

Boston to Kostanay Flights

The cheapest times to fly from Boston to Kostanay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Kostanay are during the month of . You can find some of the cheapest flights from Boston to Kostanay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Kostanay

Sunday is one of the best days to book for cheap flights from Boston to Kostanay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Kostanay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Kostanay in 2025. You can also book with separate airlines for your outbound and return journeys, from $5,668 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Kostanay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Kostanay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Kostanay Flights

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*Available to One Key members.