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Flights to Kaunas

$572 Cheap flights to Kaunas

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Kaunas departing on 3/15. 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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Find the cheapest flights from the United States to Kaunas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:10 pm - 12:45 pm
BOS
-
KUN
12h 35m1 stop
Multiple Airlines Logo
11:15 am - 7:55 pm
KUN
-
BOS
14h 40m1 stop
$572Multiple Airlines
Sun, Mar 15 - Thu, Mar 19
Multiple Airlines Logo
6:35 pm - 1:45 pm
BOS
-
KUN
13h 10m1 stop
Multiple Airlines Logo
9:45 am - 8:39 pm
KUN
-
BOS
16h 54m2 stops
$669Multiple Airlines
Mon, Mar 16 - Fri, Mar 20
Multiple Airlines Logo
6:10 pm - 12:45 pm
BOS
-
KUN
12h 35m1 stop
Multiple Airlines Logo
6:15 am - 9:55 pm
KUN
-
BOS
21h 40m2 stops
$687Multiple Airlines
Sun, Mar 15 - Thu, Mar 19
Multiple Airlines Logo
7:50 pm - 9:30 pm
BOS
-
KUN
18h 40m2 stops
Multiple Airlines Logo
10:15 pm - 2:35 pm
KUN
-
BOS
23h 20m2 stops
$759Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
7:50 pm - 9:30 pm
BOS
-
KUN
18h 40m3 stops
Multiple Airlines Logo
10:15 pm - 2:35 pm
KUN
-
BOS
23h 20m2 stops
$762Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
7:05 pm - 11:50 pm
BOS
-
KUN
22h 45m3 stops
Multiple Airlines Logo
6:10 pm - 9:10 pm
KUN
-
BOS
33h 00m2 stops
$763Multiple Airlines
Sun, Mar 15 - Thu, Mar 19
Multiple Airlines Logo
6:30 pm - 10:50 pm
ORD
-
KUN
20h 20m3 stops
Multiple Airlines Logo
1:15 pm - 5:20 pm
KUN
-
ORD
36h 05m3 stops
$773Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
7:05 pm - 5:05 pm
BOS
-
KUN
16h 00m2 stops
Multiple Airlines Logo
6:10 pm - 9:10 pm
KUN
-
BOS
33h 00m2 stops
$776Multiple Airlines
Sun, Mar 15 - Thu, Mar 19
Multiple Airlines Logo
7:50 pm - 9:30 pm
BOS
-
KUN
18h 40m3 stops
Multiple Airlines Logo
6:45 am - 2:35 pm
KUN
-
BOS
38h 50m3 stops
$779Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
6:35 pm - 1:45 pm
BOS
-
KUN
13h 10m1 stop
Multiple Airlines Logo
9:45 am - 4:50 pm
KUN
-
BOS
13h 05m1 stop
$790Multiple Airlines
Mon, Mar 16 - Fri, Mar 20

momondo Fare Finder

 
Locate flights to Kaunas that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on December 11, 2025.
Use the filters below to find and compare flights to Kaunas that are best for you.

Fly from

Route

Depart

Return

Price

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 3/15

6:10 pm-12:45 pm

1 stop12h 35m

Kaunas

Thu 3/19

11:15 am-7:55 pm

1 stop14h 40m

$572

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Mon 3/16

6:35 pm-1:45 pm

1 stop13h 10m

Kaunas

Fri 3/20

9:45 am-8:39 pm

2 stops16h 54m

$669

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 3/15

6:10 pm-12:45 pm

1 stop12h 35m

Kaunas

Thu 3/19

6:15 am-9:55 pm

2 stops21h 40m

$687

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 1/25

7:50 pm-9:30 pm

2 stops18h 40m

Kaunas

Sun 2/1

10:15 pm-2:35 pm

2 stops23h 20m

$759

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 1/25

7:50 pm-9:30 pm

3 stops18h 40m

Kaunas

Sun 2/1

10:15 pm-2:35 pm

2 stops23h 20m

$762

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 3/15

7:05 pm-11:50 pm

3 stops22h 45m

Kaunas

Thu 3/19

6:10 pm-9:10 pm

2 stops33h 00m

$763

ChicagoKaunas

ORD - KUN

ORDKUN

Chicago O'Hare Intl

Sat 1/24

6:30 pm-10:50 pm

3 stops20h 20m

Kaunas

Sat 1/31

1:15 pm-5:20 pm

3 stops36h 05m

$773

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 3/15

7:05 pm-5:05 pm

2 stops16h 00m

Kaunas

Thu 3/19

6:10 pm-9:10 pm

2 stops33h 00m

$776

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 1/25

7:50 pm-9:30 pm

3 stops18h 40m

Kaunas

Sun 2/1

6:45 am-2:35 pm

3 stops38h 50m

$779

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Mon 3/16

6:35 pm-1:45 pm

1 stop13h 10m

Kaunas

Fri 3/20

9:45 am-4:50 pm

1 stop13h 05m

$790

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kaunas from

Kaunas flights insights and trends

Explore insights for your Kaunas flight to craft the best travel plan

How long does it take to fly to Kaunas?

If you’re flying from a popular airport in United States, such as Los Angeles or Miami, and flying into Kaunas, then you can expect flight times to average 17h and 14h 40m, respectively.

Cheapest flights to Kaunas

Find the cheapest flights to Kaunas from your nearest city or airport

Cheap Kaunas flight deals and tips

Summary info about Kaunas flight prices, duration and airlines

Best Round-Trip Price

$572

Fastest flight time

12h 35m
The best round-trip flight price to Kaunas from United States in the last 72 hours is $572 (Boston Logan Intl to Kaunas).
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The fastest flight to Kaunas from United States takes 12h 35m (Boston Logan Intl to Kaunas).
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Frequently asked questions about flying to Kaunas

Is there an alternative airport near Kaunas?

Those flying to Kaunas could potentially find better pricing at Kaunas Airport (8 mi from Kaunas city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Kaunas?

You can find deals at Kaunas Airport for $156 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Kaunas?

Users booking trips to Kaunas from Stockholm found flights 69% cheaper than the average price of flights to Kaunas. To find the cheapest price to Kaunas from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Kaunas Airport?

Prices for flights to Kaunas Airport refresh daily.

How many operators does momondo search for flights to Kaunas Airport?

As of December 2025, there are 2 operators available to choose from for flights to Kaunas Airport.

How old do you have to be to fly 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 to Kaunas Airport.

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

The required travel and health documents for your Kaunas Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kaunas Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Kaunas?

It is quick and easy to find flights to Kaunas 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 to Kaunas with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to Kaunas to just show those with flexible booking policies.

How can momondo help me find flights to Kaunas?

Once you have performed a search for flights to Kaunas, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Kaunas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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