How long is the flight from Košice to Boston?

Airlines like Austrian Airlines fly from Košice to Boston in about 29h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Košice to Boston is about 4203 mi.

What is the cheapest month to book a flight from Košice to Boston?

Currently, January is the cheapest month in which you can book a flight from Košice to Boston (average of $218). Flying from Košice to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from KSC to BOS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Košice to Boston as you normally would.

Can I find deals for flights from Košice to Boston that include hotel bookings?

Yes. In addition to deals on Košice to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Košice to Boston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Košice to Boston.

Can I find deals for business class flights from Košice to Boston?

Yes. Cheapflights offers flight deals from Košice to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$619+ Cheap Flights from Košice to Boston

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Cheap flight deals from Košice to Boston

Round-trip from	$619 (Austrian Airlines)

From Košice Barca to Boston Logan Intl

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Find flight deals from Košice to Boston

Cheapest flights from Košice to Boston
Explore the most affordable flight options available from Košice to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Thu 11/62:55 pmKSC - BOS

1 stop29h 10mAustrian Airlines

Mon 11/101:30 pmBOS - KSC

2 stops18h 45mAustrian Airlines

Deal found 9/14

$619

Best flights from Košice to Boston
Discover carefully curated flight deals from Košice to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Thu 11/62:55 pmKSC - BOS

1 stop29h 10mAustrian Airlines

Mon 11/101:30 pmBOS - KSC

2 stops18h 45mAustrian Airlines

Deal found 9/12

$619

Sat 3/75:15 amKSC - BOS

2 stops24h 59mLOT

Sat 3/216:05 pmBOS - KSC

2 stops25h 05mLOT

Deal found 9/13

$1,010

Fly from

Fly to

Route

Depart

Return

Price

KošiceBoston

KSC - BOS

KSCBOS

Košice Barca

Thu 11/6

2:55 pm-2:05 pm

1 stop29h 10m

Boston Logan Intl

Mon 11/10

1:30 pm-2:15 pm

2 stops18h 45m

$619

KošiceBoston

KSC - BOS

KSCBOS

Košice Barca

Sat 3/7

5:15 am-12:14 am

2 stops24h 59m

Boston Logan Intl

Sat 3/21

6:05 pm-12:10 am

2 stops25h 05m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Košice to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Košice with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Boston

See what other customers who have flown with SWISS from Košice to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,730 reviews

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

SWISS

7.5

Good

1,730 reviews

SWISS

7.5

Good

1,730 reviews

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Related info for your journey

How long is the flight from Košice to Boston?
Airlines like Austrian Airlines fly from Košice to Boston in about 29h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Košice to Boston is about 4203 mi.
Can I find deals for flights from Košice to Boston that include hotel bookings?
Yes. In addition to deals on Košice to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Košice to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Košice to Boston.
Can I find deals for business class flights from Košice to Boston?
Yes. Cheapflights offers flight deals from Košice to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Košice to Boston?
Currently, January is the cheapest month in which you can book a flight from Košice to Boston (average of $218). Flying from Košice to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Košice to Boston

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$555	Average$707	FlexibilityNo cancel fee	On-time79%

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$619+ Cheap flights from Košice (KSC) to Boston (BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Košice to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Košice to Boston

Round-trip from

Find flight deals from Košice to Boston

Cheapest flights from Košice to BostonExplore the most affordable flight options available from Košice to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Košice to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Košice to Boston that are best for you.

Best time to book a flight from Košice to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Košice with our price prediction graph.

Reviews of airlines servicing Boston

See what other customers who have flown with SWISS from Košice to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Košice to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Košice to Boston?

Can I find deals for flights from Košice to Boston that include hotel bookings?

How can I find direct flights from Košice to Boston?

Can I find deals for business class flights from Košice to Boston?

What is the cheapest month to book a flight from Košice to Boston?

Traveling to a place near Boston?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Košice to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Košice to Boston

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Košice to Boston
Explore the most affordable flight options available from Košice to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.