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Cheap flights from Boston to Kos from $1,102

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kos departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Tue 5/7
Tue 5/14

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Easily compare round-trip flights from Boston to Kos

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to Kos by changing tabs
Condor
Jul 4
BOS4:10 pmBoston Logan Intl
16h 35m
1 stop
KGS3:45 pmKos
Jul 9
KGS7:25 pmKos
25h 00m
1 stop
BOS1:25 pmBoston Logan Intl
Brussels Airlines
Jul 4
BOS8:05 pmBoston Logan Intl
40h 30m
2 stops
KGS7:35 pmKos
Jul 9
KGS11:15 amKos
59h 45m
2 stops
BOS4:00 pmBoston Logan Intl
Condor
Jul 4
BOS4:10 pmBoston Logan Intl
16h 35m
1 stop
KGS3:45 pmKos
Jul 9
KGS7:25 pmKos
25h 00m
1 stop
BOS1:25 pmBoston Logan Intl
SWISS
Jul 4
BOS5:10 pmBoston Logan Intl
34h 45m
2 stops
KGS10:55 amKos
Jul 9
KGS8:40 pmKos
25h 40m
1 stop
BOS3:20 pmBoston Logan Intl
Multiple Airlines
Jul 4
BOS5:10 pmBoston Logan Intl
15h 00m
1 stop
KGS3:10 pmKos
Jul 9
KGS11:25 amKos
15h 40m
2 stops
BOS8:05 pmBoston Logan Intl
Multiple Airlines
Jul 4
BOS4:10 pmBoston Logan Intl
37h 05m
2 stops
KGS12:15 pmKos
Jul 9
KGS2:15 pmKos
52h 00m
3 stops
BOS11:15 amBoston Logan Intl

Best airlines flying from Boston to Kos

Compare and see reviews for airlines that fly from Boston to Kos with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $1,035Free CancellationRating
7.0
7,726 reviews
Search Lufthansa flights
SWISSPriceFrom $1,058Free CancellationRating
7.8
2,027 reviews
Search SWISS flights

Condor flights from Boston to Kos

Our best Condor deals on Boston to Kos flight tickets
Condor
Jul 4
BOS4:10 pmBoston Logan Intl
16h 35m
1 stop
KGS3:45 pmKos
Jul 9
KGS7:25 pmKos
25h 00m
1 stop
BOS1:25 pmBoston Logan Intl
Condor
Jul 4
BOS4:10 pmBoston Logan Intl
16h 35m
1 stop
KGS3:45 pmKos
Jul 9
KGS7:25 pmKos
25h 00m
1 stop
BOS1:25 pmBoston Logan Intl

How to get the cheapest flight ticket from Boston to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart Boston for Kos?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Monday

When is the cheapest time to fly from Boston to Kos?

In the evening. Boston to Kos flights are approximately 12% more expensive in the afternoon than in the evening

What is the cheapest airline that flies to Kos from Boston?

Lufthansa. Lufthansa and SWISS are the most popular carriers operating from Boston to Kos

What is the cheapest Boston to Kos flight route?

Boston Logan Intl - Kos. Fly from Boston Logan Intl to Kos for the best Boston - Kos flight prices

Cheap Boston to Kos (BOS to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kos

Best Price Found

$1,102

Fastest flight time

15h 00m

Direct flights

None

Airports in Kos

1 airport
The best flight deal from Boston to Kos found on momondo in the last 72 hours is $1,102
The fastest flight from Boston to Kos takes 15h 00m
There are no direct flights from Boston to Kos. Popular non-direct route for this connection is Boston Logan Intl Airport - Kos Airport.
There is 1 airport near Kos: Kos (KGS)

  • How far is Boston Logan Intl to Kos by plane?

    The distance between Boston Logan Intl and Kos is about 4930.9 mi. By plane, this route typically takes 15h 00m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kos Airport?

    Prices for flights from Boston Logan Intl Airport to Kos Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Kos Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Kos Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The necessary travel and health documents for your Kos Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kos?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kos from Boston.

Can I find flights from Boston to Kos with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kos from Boston with this policy.

How can momondo help me find flights from Boston to Kos?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Kos.

I’m not ready to book a flight from Boston to Kos right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Kos now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kos and let you know when they change.


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1 adult
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Tue 5/7
Tue 5/14
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