Cheap flights from Boston (BOS) to Kos (KGS)

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How to find the cheapest flight from
Boston (BOS) to Kos (KGS)

All the information you need to plan the best BOS to KGS flight in 2022: compare Boston to Kos flight prices with the expected peak season, weather and rainfall in Kos.
What is the cheapest day to fly round-trip from Boston to Kos?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 116% on your flight compared to booking on days when demand is much higher.

When is the cheapest time to fly from Boston to Kos (BOS - KGS)?

When flying from Boston to Kos, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 6% versus a flight in the morning.

Boston Logan Intl to Kos 2022 flight deals

Cheap flights to Kos from Boston found for this year
4 Aug - 21 Aug
$1,408pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
KGS
Kos
KGS
Kos
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
4 Aug - 21 Aug
$1,491pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
KGS
Kos
KGS
Kos
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
4 Aug - 21 Aug
$1,548pp
BOS
Boston Logan Intl
Lufthansa
   
2 STOPS
KGS
Kos
KGS
Kos
Lufthansa
 
1 STOP
BOS
Boston Logan Intl

One-way flights to Kos from Boston

The cheapest one-way flights from Boston to Kos
1:10 pm - 11:00 am
Multiple Airlines
1 Stop
14h 50m
BOS - KGS
Multiple Airlines
$1,036
Gotogate
5:40 pm - 3:55 pm
SWISS
1 Stop
15h 15m
BOS - KGS
SWISS
$1,648
KAYAK
3:00 pm - 9:00 pm
Multiple Airlines
2 Stops
23h 00m
BOS - KGS
Multiple Airlines
$542
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">Kos</span> flights.

Flight FAQs

From Boston to Kos

Which airlines flying from Boston Logan Intl to Kos have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to Kos have new flexible policies in place due to COVID-19. Lufthansa and SWISS are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Lufthansa with this kind of flexibility.

Can I find flights from Boston to Kos for under $1,500 on Cheapflights?

Yes, there are multiple flights from Boston to Kos for under $1,500. The cheapest flight booked recently is on Multiple Airlines for just $1,408, but on average you can expect to pay $2,631.

What are the cheapest flights from Boston to Kos?

On average you can expect to pay $1,212 for a flight from Boston to Kos. The cheapest flight overall is $684 while the most popular route, (Boston Logan Intl - Kos) is currently priced at $1,408.

Related searches

Flights to Kos (KGS) from Boston (BOS)
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COVID Restrictions

View COVID Travel Restrictions for Kos, Greece

Do I need a COVID test to fly to Kos from Boston?

Information is based on travel restrictions from Boston Logan Intl to Kos

Most visitors from Boston Logan Intl can enter Kos without restrictions.

COVID-19 testing requirements
Visitors from Boston Logan Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Kos.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering Kos.

Do I need a test to fly back to Boston from Kos?

Returning to Boston Logan Intl from Kos

COVID-19 testing requirements
Visitors from Kos must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Boston Logan Intl.

Quarantine requirements
Visitors from Kos are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for Kos, Greece

Alternative routes for Boston to Kos

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

Destination information for Kos

Things to know before you go - useful duration and weather info for your trip from Boston to Kos.
Today's exchange rate
$1 = €0.94
Average temperature for May in Kos
78.8 °F
Avg rainfall for May in Kos
0.7 ″

Airports servicing Boston

Airports servicing Kos

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