Cheap flights from Boston to Kos

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Planning a flight from Boston to Kos?

Flight prices from Boston to Kos change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which airports near Boston or Kos offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

  • Airports in Boston: Only Boston - Logan is currently operating.
  • Airports in Kos: Kos is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Flights from Boston - Logan to Kos

Find the best flight from Boston to Kos

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to Greece? Travelers also looked at: Athens, Crete, Kerkyra, Thessaloniki, Thira.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Boston – Kos flights.
Frequently Asked Questions

Frequently asked questions about flights from Boston to Kos.

How much does an airline ticket from Boston to Kos cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Boston to Kos.

How far is Boston from Kos?

Boston is about 7931 km from Kos.

What are the airports in Kos?

Kos has one airport: Kos.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the most popular cities in Greece?

The most popular cities in Greece according to our users' searches are: Athens, Crete, Kerkyra, Thessaloniki, Thira.

When should I book a flight from Boston to Kos?

This information is not available at the moment.

What is the cheapest month to fly from Boston to Kos?

This information is not available at the moment.

What is the most expensive month to fly from Boston to Kos?

This information is not available at the moment.

What is the best day of the week to fly from Boston to Kos?

This information is not available at the moment.