Cheap Flights from Boston (BOS) to King Island (KNS)

Popular airlines from Logan International Airport (BOS) to King Island, TAS (KNS)

Cheap Flights from Boston to King Island (BOS-KNS)

Prices were available within the past 7 days and start at for one-way flights and $3,861 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Fri, Nov 14 - Fri, Nov 21
BOS
Boston
KNS
King Island
$3,861 Roundtrip, found 1 day ago
$3,861
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Fri, Nov 14 from Boston to King Island, returning Fri, Nov 21, priced at $3,861 found 1 day ago
Etihad Airways
Fri, Nov 14 - Fri, Nov 21
BOS
Boston
KNS
King Island
$3,931 Roundtrip, found 1 day ago
$3,931
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Fri, Nov 14 from Boston to King Island, returning Fri, Nov 21, priced at $3,931 found 1 day ago
Etihad Airways
Fri, Nov 14 - Fri, Nov 21
BOS
Boston
KNS
King Island
$4,041 Roundtrip, found 1 day ago
$4,041
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Fri, Nov 14 from Boston to King Island, returning Fri, Nov 21, priced at $4,041 found 1 day ago
Etihad Airways
Fri, Nov 14 - Fri, Nov 21
BOS
Boston
KNS
King Island
$4,191 Roundtrip, found 1 day ago
$4,191
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Fri, Nov 14 from Boston to King Island, returning Fri, Nov 21, priced at $4,191 found 1 day ago
Flights from Boston (BOS) to King Island (KNS)
Origin airport
Logan Intl.
Destination airport
King Island
Roundtrip price
$3,860
Distance
10624 mi

Boston to King Island Flights

The cheapest times to fly from Boston to King Island

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 King Island are during the month of November. You can find some of the cheapest flights from Boston to King Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to King Island

Sunday is one of the best days to book for cheap flights from Boston to King Island: 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 King Island

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 King Island in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 King Island 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 King Island 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.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to King Island Airport (KNS) cost?
Get a cheap one-way flight or cheap return flight from $3,861 from Logan Intl. Airport (BOS) to King Island Airport (KNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to King Island Airport (KNS)?
November is the most affordable month to fly from BOS to KNS. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to King Island Airport (KNS)?
To find the cheapest airline that'll fly you from BOS to KNS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Logan Intl. Airport (BOS) to King Island Airport (KNS)?
Nonstop flights from Logan Intl. Airport (BOS) to King Island Airport (KNS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to KNS?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*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 King Island Airport (KNS)?
To avoid possible delays on the Logan Intl. Airport (BOS) to King Island Airport (KNS) route, fly before 3 PM. Flights after this time 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 King Island Airport (KNS) last-minute?
Booking your ticket from BOS to KNS right before your trip is typically more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a BOS to KNS flight and hotel package?
Securing a BOS to KNS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to King Island Airport (KNS)?
If you reserved your BOS to KNS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.