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Cheap flights from Boston to Kaunas from $896

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 Kaunas departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
7:50 pm - 9:15 pmBOS-KUN
18h 25m2 stops
Multiple Airlines Logo
11:40 am - 4:50 pmKUN-BOS
12h 10m1 stop
$896Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
7:50 pm - 9:15 pmBOS-KUN
18h 25m2 stops
Multiple Airlines Logo
11:40 am - 4:50 pmKUN-BOS
12h 10m1 stop
$899Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
9:50 pm - 12:05 amBOS-KUN
19h 15m2 stops
Multiple Airlines Logo
11:15 am - 8:00 pmKUN-BOS
39h 45m3 stops
$910Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
11:35 am - 8:15 pmBOS-KUN
25h 40m3 stops
Multiple Airlines Logo
11:15 am - 8:00 pmKUN-BOS
39h 45m3 stops
$925Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
11:35 am - 9:15 pmBOS-KUN
26h 40m3 stops
Multiple Airlines Logo
11:15 am - 8:00 pmKUN-BOS
39h 45m3 stops
$927Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
9:50 pm - 12:05 amBOS-KUN
19h 15m2 stops
Multiple Airlines Logo
11:15 am - 8:00 pmKUN-BOS
39h 45m3 stops
$941Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
11:35 am - 9:15 pmBOS-KUN
26h 40m3 stops
Multiple Airlines Logo
11:40 am - 4:50 pmKUN-BOS
12h 10m1 stop
$958Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
5:10 pm - 12:35 pmBOS-KUN
12h 25m1 stop
Multiple Airlines Logo
11:40 am - 4:50 pmKUN-BOS
12h 10m1 stop
$1,043Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
5:10 pm - 12:35 pmBOS-KUN
12h 25m1 stop
Multiple Airlines Logo
11:40 am - 4:50 pmKUN-BOS
12h 10m1 stop
$1,045Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Air France Logo
6:55 pm - 12:10 amBOS-KUN
22h 15m2 stops
Air France Logo
5:35 am - 8:20 pmKUN-BOS
21h 45m2 stops
$8,119Air France
Find Deal
Sun, Mar 29 - Thu, Apr 2

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Kaunas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 31, 2025.
Use the filters below to find and compare flights from Boston to Kaunas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

7:50 pm-9:15 pm

2 stops18h 25m

Kaunas

Thu 11/27

11:40 am-4:50 pm

1 stop12h 10m

$896

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

7:50 pm-9:15 pm

2 stops18h 25m

Kaunas

Thu 11/27

11:40 am-4:50 pm

1 stop12h 10m

$899

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

9:50 pm-12:05 am

2 stops19h 15m

Kaunas

Thu 11/27

11:15 am-8:00 pm

3 stops39h 45m

$910

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

11:35 am-8:15 pm

3 stops25h 40m

Kaunas

Thu 11/27

11:15 am-8:00 pm

3 stops39h 45m

$925

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

11:35 am-9:15 pm

3 stops26h 40m

Kaunas

Thu 11/27

11:15 am-8:00 pm

3 stops39h 45m

$927

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

9:50 pm-12:05 am

2 stops19h 15m

Kaunas

Thu 11/27

11:15 am-8:00 pm

3 stops39h 45m

$941

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

11:35 am-9:15 pm

3 stops26h 40m

Kaunas

Thu 11/27

11:40 am-4:50 pm

1 stop12h 10m

$958

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

5:10 pm-12:35 pm

1 stop12h 25m

Kaunas

Thu 11/27

11:40 am-4:50 pm

1 stop12h 10m

$1,043

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 11/13

5:10 pm-12:35 pm

1 stop12h 25m

Kaunas

Thu 11/27

11:40 am-4:50 pm

1 stop12h 10m

$1,045

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 3/29

6:55 pm-12:10 am

2 stops22h 15m

Kaunas

Thu 4/2

5:35 am-8:20 pm

2 stops21h 45m

$8,119

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?

Scandinavian Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Kaunas from Boston according to our data. Scandinavian Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Kaunas. Keep in mind that there are 6 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

Direct flights

None
There are no direct flights from Boston to Kaunas. There are no popular flight routes from Boston to Kaunas.
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  • 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 12h 25m.

  • 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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Sun 11/30
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