Cheap flights from Boston to Kos from £228

Cheap flights from Boston to Kos from £228

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3 stops
Tue, Jun 9
Boston BOSKos KGS
£228
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3 stops
Mon, Jun 8
Boston BOSKos KGS
£230
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3 stops
Tue, Jun 9
Boston BOSKos KGS
£282
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2 stops
Sun, Jun 14
Boston BOSKos KGS
£320
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2 stops
Sun, Jun 14
Boston BOSKos KGS
£325
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2 stops
Sun, Jun 14
Boston BOSKos KGS
£361
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3 stops
Tue, Jun 9 – Sat, Jun 13
Boston BOSKos KGS
£612
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3 stops
Mon, Jun 8 – Sat, Jun 13
Boston BOSKos KGS
£614
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3 stops
Mon, Jun 8 – Fri, Jun 12
Boston BOSKos KGS
£619
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3 stops
Mon, Jun 8 – Fri, Jun 12
Boston BOSKos KGS
£635
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3 stops
Mon, Jun 8 – Fri, Jun 12
Boston BOSKos KGS
£668
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3 stops
Mon, Jun 8 – Fri, Jun 12
Boston BOSKos KGS
£697
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How much do flights to Kos cost?

Cheapest one-way trip

£228

Cheapest round-trip

£612

Average round-trip

£654

Includes rare itinerary

Travel hack

Most popular airline

Ryanair

Getting from Kos airport to the city center

The fastest options are taxi and private transfer, while budget travelers often choose public bus

Kos is served by Kos Island International Airport (KGS), located approximately 24 km southwest of Kos Town. This Greek island destination offers several airport transfers to city center options, including public buses, taxis, private transfers, and rental cars. Journey times typically range from 25 to 40 minutes depending on traffic and your chosen transport method. The airport serves as the main gateway to the island's beaches, historical sites, and vibrant town center.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

35-50 min

€4 – €5; one-way fare to Kos Town

limited service, aligned with flights (traffic dependent)

budget travelers

25-35 min

€35 – €45; metered fare; may vary by time of day

on-demand at arrivals (traffic dependent)

convenience with luggage

25-35 min

€40 – €60; pre-booked; price per vehicle

pre-booked (traffic dependent)

families and groups

25-35 min

€30 – €70; per day; varies by season and vehicle

on-demand at airport desks (traffic dependent)

island exploration flexibility

30-50 min

€0 – €20; often included with accommodation or small fee

aligned with guest arrivals (traffic dependent)

resort guests

Notes:

  • Prices in EUR; table created in 2025 and subject to change.
  • Public bus service is limited and may not operate for all flight arrivals, especially late evening flights.
  • Taxi fares are metered but confirm the approximate fare before departure.
  • Rental car is recommended for exploring the island beyond Kos Town.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Kos

Depart from
Logan International
Arrive to
Kos Island International
Average flights per week
400
Flight distance

Check-in for a flight from Boston to Kos

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
Porter AirlinesPOEPDNo
WestJetWJAWSNo
Air TransatTSCTSNo
easyJetEZYU2Yes

Online check-in is not available for these airlines.

Weather in Kos

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January14°C11°C
February14°C11°C
March15°C12°C
April18°C14°C
May21°C18°C
June25°C21°C
July28°C24°C
August28°C24°C
September26°C22°C
October22°C19°C
November19°C16°C
December15°C13°C
Hottest Month
28°C
July
Coldest month
11°C
January
Sunny days
317
days per year

14 day forecast

Saturday
23 May
88%
21°C17°C
30 May
23°C18°C
Sunday
24 May
22°C18°C
31 May
22°C20°C
Monday
25 May
23°C18°C
1 Jun
22°C19°C
Tuesday
26 May
23°C19°C
2 Jun
22°C19°C
Wednesday
27 May
66%
23°C20°C
3 Jun
22°C20°C
Thursday
28 May
22°C19°C
4 Jun
23°C20°C
Friday
29 May
23°C19°C
5 Jun
25°C21°C
The most popular airlines for this route are Ryanair, Porter Airlines, WestJet, Air Transat, and easyJet. Boston and Kos have 400 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Boston?
Travelers frequently search for route combinations, such as Boston and London, Barcelona, Orlando, Edinburgh, Mexico City, Miami, Toronto, Atlanta, Tel Aviv, San Juan, San Francisco, Tampa, Lisbon, Washington, D.C., Istanbul, New York, Bogotá, Dallas, San José, Seattle.
What are the most popular routes to and from Kos?
Travelers frequently search for route combinations, such as Kos and London, Manchester, Athens, Birmingham, Bristol, Tirana, Bucharest, Thessaloniki, Dublin, Copenhagen, Milan, Crete, Munich, Düsseldorf, Tallinn, Lisbon, Amsterdam, Vienna, Rome, Paris.
What airports are near Boston?
The main airport in Boston is Logan International. It is also served by Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Albany International, Portland International Jetport, Tweed New Haven, Manchester–Boston Regional, Portsmouth International Airport at Pease, Barnstable Municipal, Lebanon Municipal.
What airports are near Kos?
The main airport in Kos is Kos Island International. It is also served by Kos Island International, Kalymnos Island National.
Which airlines fly between Boston and Kos?
Currently, you can fly between Boston and Kos with Ryanair, Porter Airlines, WestJet, Air Transat, easyJet.
When’s the best time to travel between Boston and Kos?
If you don’t have specific dates for your trip between Boston and Kos, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Boston and Kos?
Traveling between Boston and Kos, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Boston?
There are a number of airports in and around Boston. The main one is Logan International and other nearby airports include Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Albany International, Portland International Jetport, Tweed New Haven, Manchester–Boston Regional, Portsmouth International Airport at Pease, Barnstable Municipal, Lebanon Municipal
How many airports are there near Kos?
There are a number of airports in and around Kos. The main one is Kos Island International and other nearby airports include Kos Island International, Kalymnos Island National.
What time do nonstop (direct) flights between Boston and Kos depart?
What time do nonstop (direct) flights between Boston and Kos arrive?
What time do flights between Boston and Kos depart?
What time do flights between Boston and Kos arrive?

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