Cheap Flights from Boston (BOS) to Karlstad (KSD)

Popular airlines from Logan International Airport (BOS) to Karlstad (KSD)

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Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Karlstad Airport (KSD) cost?
Lock in a cheap one-way flight or cheap return flight from Logan Intl. Airport (BOS) to Karlstad Airport (KSD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Karlstad Airport (KSD)?
The cheapest month to fly from BOS to KSD is , when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Karlstad Airport (KSD)?
To find the cheapest airline that'll fly you from BOS to KSD, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Logan Intl. Airport (BOS) to Karlstad Airport (KSD)?
You'll have to take a flight with a layover if you're traveling from Logan Intl. Airport (BOS) to Karlstad Airport (KSD). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BOS to KSD?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Karlstad Airport (KSD)?
Opt for a flight from Logan Intl. Airport (BOS) to Karlstad Airport (KSD) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 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 Karlstad Airport (KSD) last-minute?
Waiting until just before your departure to book a ticket from BOS to KSD generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a BOS to KSD flight and hotel package?
You can save money by booking a BOS to KSD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Karlstad Airport (KSD)?
It's usually possible to cancel or reschedule your BOS to KSD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Karlstad
Distance
3585 mi

Book with confidence

Boston to Karlstad Flights

The cheapest times to fly from Boston to Karlstad

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

 

The best time to book a flight from Boston to Karlstad

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

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 Karlstad 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 Karlstad 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 Karlstad 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 Karlstad Flights

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*Available to One Key members.