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Cheap flights from Boston to Kaunas from $846

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Kaunas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 11:20 pmBOS  Boston Logan Intl-KUN Kaunas
27h 50m2 stops Toronto Pearson Intl Kastrup Copenhagen
Multiple Airlines Logo
10:20 am - 9:55 amKUN  Kaunas-BOS Boston Logan Intl
30h 35m2 stops Kastrup Copenhagen Toronto Pearson Intl
$846Multiple Airlines
Thu, Sep 10 - Tue, Sep 15
Multiple Airlines Logo
9:20 pm - 12:10 amBOS  Boston Logan Intl-KUN Kaunas
19h 50m1 stop Madrid Barajas
Multiple Airlines Logo
12:05 am - 8:20 pmKUN  Kaunas-BOS Boston Logan Intl
27h 15m2 stops Kastrup Copenhagen Lisbon Humberto Delgado
$848Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
5:40 pm - 12:50 pmBOS  Boston Logan Intl-KUN Kaunas
12h 10m1 stop Madrid Barajas
Multiple Airlines Logo
12:05 am - 8:20 pmKUN  Kaunas-BOS Boston Logan Intl
27h 15m2 stops Kastrup Copenhagen Lisbon Humberto Delgado
$865Multiple Airlines
Sat, Sep 12 - Wed, Sep 16
Multiple Airlines Logo
9:20 pm - 12:10 amBOS  Boston Logan Intl-KUN Kaunas
19h 50m1 stop Madrid Barajas
Multiple Airlines Logo
3:30 pm - 2:45 pmKUN  Kaunas-BOS Boston Logan Intl
30h 15m2 stops Madrid Barajas Lisbon Humberto Delgado
$903Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
9:20 pm - 12:10 amBOS  Boston Logan Intl-KUN Kaunas
19h 50m1 stop Madrid Barajas
Multiple Airlines Logo
1:15 pm - 2:45 pmKUN  Kaunas-BOS Boston Logan Intl
32h 30m2 stops Madrid Barajas Lisbon Humberto Delgado
$904Multiple Airlines
Tue, Sep 8 - Sun, Sep 13
Multiple Airlines Logo
5:40 pm - 12:50 pmBOS  Boston Logan Intl-KUN Kaunas
12h 10m1 stop Madrid Barajas
Multiple Airlines Logo
3:30 pm - 2:45 pmKUN  Kaunas-BOS Boston Logan Intl
30h 15m2 stops Madrid Barajas Lisbon Humberto Delgado
$920Multiple Airlines
Sat, Sep 12 - Wed, Sep 16
Multiple Airlines Logo
3:35 pm - 10:30 pmBOS  Boston Logan Intl-KUN Kaunas
23h 55m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas London Stansted
Multiple Airlines Logo
7:45 pm - 8:20 pmKUN  Kaunas-BOS Boston Logan Intl
31h 35m3 stops Bergamo Orio Al Serio Barcelona-El Prat Lisbon Humberto Delgado
$984Multiple Airlines
Thu, Sep 10 - Tue, Sep 15
Multiple Airlines Logo
5:25 pm - 1:30 pmBOS  Boston Logan Intl-KUN Kaunas
13h 05m1 stop Dublin
Multiple Airlines Logo
6:00 am - 2:55 pmKUN  Kaunas-BOS Boston Logan Intl
15h 55m1 stop Dublin
$1,064Multiple Airlines
Mon, Sep 7 - Wed, Sep 16
Multiple Airlines Logo
4:55 pm - 11:20 pmBOS  Boston Logan Intl-KUN Kaunas
23h 25m2 stops Toronto Pearson Intl Kastrup Copenhagen
Multiple Airlines Logo
7:45 pm - 8:20 pmKUN  Kaunas-BOS Boston Logan Intl
31h 35m3 stops Bergamo Orio Al Serio Barcelona-El Prat Lisbon Humberto Delgado
$1,082Multiple Airlines
Thu, Sep 10 - Tue, Sep 15
Multiple Airlines Logo
9:15 pm - 8:40 pmBOS  Boston Logan Intl-KUN Kaunas
16h 25m2 stops Dublin London Luton
Multiple Airlines Logo
9:10 am - 2:55 pmKUN  Kaunas-BOS Boston Logan Intl
12h 45m1 stop Dublin
$1,103Multiple Airlines
Sun, Sep 13 - Fri, Sep 18

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

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Price

Cheapest round-trip

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Thu 9/10

12:30 pm-11:20 pm

2 stops27h 50m

Kaunas

Tue 9/15

10:20 am-9:55 am

2 stops30h 35m

$846

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Tue 9/8

9:20 pm-12:10 am

1 stop19h 50m

Kaunas

Wed 9/16

12:05 am-8:20 pm

2 stops27h 15m

$848

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Sat 9/12

5:40 pm-12:50 pm

1 stop12h 10m

Kaunas

Wed 9/16

12:05 am-8:20 pm

2 stops27h 15m

$865

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Tue 9/8

9:20 pm-12:10 am

1 stop19h 50m

Kaunas

Wed 9/16

3:30 pm-2:45 pm

2 stops30h 15m

$903

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Tue 9/8

9:20 pm-12:10 am

1 stop19h 50m

Kaunas

Sun 9/13

1:15 pm-2:45 pm

2 stops32h 30m

$904

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Sat 9/12

5:40 pm-12:50 pm

1 stop12h 10m

Kaunas

Wed 9/16

3:30 pm-2:45 pm

2 stops30h 15m

$920

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Thu 9/10

3:35 pm-10:30 pm

3 stops23h 55m

Kaunas

Tue 9/15

7:45 pm-8:20 pm

3 stops31h 35m

$984
Quickest round-trip

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Mon 9/7

5:25 pm-1:30 pm

1 stop13h 05m

Kaunas

Wed 9/16

6:00 am-2:55 pm

1 stop15h 55m

$1,064

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Thu 9/10

4:55 pm-11:20 pm

2 stops23h 25m

Kaunas

Tue 9/15

7:45 pm-8:20 pm

3 stops31h 35m

$1,082

BostonKaunas

BOS Boston Logan Intl - KUN Kaunas

BOSKUN

Boston Logan Intl

Sun 9/13

9:15 pm-8:40 pm

2 stops16h 25m

Kaunas

Fri 9/18

9:10 am-2:55 pm

1 stop12h 45m

$1,103

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kaunas from

How to get the cheapest flight ticket from Boston to Kaunas

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 airlines fly to Kaunas?

KLM, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Kaunas from Boston according to our data. KLM is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Kaunas. Keep in mind that there are 7 different airlines that fly to Kaunas on a routine basis, so you have a few additional options to choose from.

When to book flights from Boston to Kaunas

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kaunas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Kaunas (BOS to KUN) flight deals and tips

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

Best Price Found

$846

Fastest flight time

27h 50m

Direct flights

None
The best flight deal from Boston to Kaunas found on momondo in the last 72 hours is $846
The fastest flight from Boston to Kaunas takes 27h 50m
There are no direct flights from Boston to Kaunas. There are no popular flight routes from Boston to Kaunas.
Search flight deals

Frequently asked questions about flying from Boston to Kaunas

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

    The straight-line distance from Boston Logan Intl to Kaunas is 4076.0 mi. In terms of flight time, this usually takes a little over 27h 50m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kaunas Airport.

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

    The necessary travel and health documents for your Kaunas 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 Kaunas?

It is quick and easy to find Boston to Kaunas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kaunas that suits you.

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

momondo does allow users to show only those flights to Kaunas from Boston which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Boston to Kaunas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Kaunas, momondo offers a useful price alert feature which will track prices for flights to Kaunas from Boston and alert you when they change.

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