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Flights to Kaunas

$365 Cheap flights to Kaunas

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Kaunas departing on 9/11. 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
1 adult, Economy, 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
8:50 pm - 12:05 am
BOS
-
KUN
20h 15m
2 stops
Multiple Airlines Logo
9:15 pm - 2:55 pm
KUN
-
BOS
24h 40m
2 stops
$985Multiple Airlines
Sun, Jul 26 - Fri, Jul 31
Multiple Airlines Logo
6:00 am - 12:05 am
BOS
-
KUN
35h 05m
3 stops
Multiple Airlines Logo
9:15 pm - 2:55 pm
KUN
-
BOS
24h 40m
2 stops
$997Multiple Airlines
Sun, Jul 26 - Fri, Jul 31
Multiple Airlines Logo
8:50 pm - 12:05 am
BOS
-
KUN
20h 15m
3 stops
Multiple Airlines Logo
9:10 am - 10:38 pm
KUN
-
BOS
44h 28m
3 stops
$1,043Multiple Airlines
Sun, Jul 26 - Fri, Jul 31
Multiple Airlines Logo
5:45 am - 4:50 pm
BOS
-
KUN
28h 05m
3 stops
Multiple Airlines Logo
11:15 pm - 8:55 pm
KUN
-
BOS
28h 40m
3 stops
$1,129Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
10:05 am - 4:50 pm
BOS
-
KUN
23h 45m
2 stops
Multiple Airlines Logo
11:15 pm - 6:35 pm
KUN
-
BOS
26h 20m
2 stops
$1,156Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
5:40 pm - 12:50 pm
BOS
-
KUN
12h 10m
1 stop
Multiple Airlines Logo
9:25 pm - 7:50 pm
KUN
-
BOS
29h 25m
2 stops
$1,205Multiple Airlines
Sat, Jul 18 - Fri, Aug 7
Multiple Airlines Logo
10:05 am - 4:50 pm
BOS
-
KUN
23h 45m
3 stops
Multiple Airlines Logo
11:40 pm - 2:45 pm
KUN
-
BOS
46h 05m
3 stops
$1,233Multiple Airlines
Thu, Jun 18 - Mon, Jun 22
Multiple Airlines Logo
5:40 pm - 12:50 pm
BOS
-
KUN
12h 10m
1 stop
Multiple Airlines Logo
8:35 am - 6:50 pm
KUN
-
BOS
17h 15m
2 stops
$1,245Multiple Airlines
Sat, Jul 18 - Wed, Aug 5
Multiple Airlines Logo
5:25 pm - 3:55 pm
BOS
-
KUN
15h 30m
1 stop
Multiple Airlines Logo
11:15 pm - 9:05 am
KUN
-
BOS
40h 50m
2 stops
$1,260Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
10:05 am - 4:50 pm
BOS
-
KUN
23h 45m
2 stops
Multiple Airlines Logo
11:40 pm - 2:45 pm
KUN
-
BOS
46h 05m
3 stops
$1,265Multiple Airlines
Thu, Jun 18 - Mon, Jun 22

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 June 8, 2026.
Use the filters below to find and compare flights to Kaunas that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 7/26

8:50 pm-12:05 am

2 stops20h 15m

Kaunas

Fri 7/31

9:15 pm-2:55 pm

2 stops24h 40m

$985

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 7/26

6:00 am-12:05 am

3 stops35h 05m

Kaunas

Fri 7/31

9:15 pm-2:55 pm

2 stops24h 40m

$997

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sun 7/26

8:50 pm-12:05 am

3 stops20h 15m

Kaunas

Fri 7/31

9:10 am-10:38 pm

3 stops44h 28m

$1,043

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 7/23

5:45 am-4:50 pm

3 stops28h 05m

Kaunas

Thu 7/30

11:15 pm-8:55 pm

3 stops28h 40m

$1,129

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 7/23

10:05 am-4:50 pm

2 stops23h 45m

Kaunas

Thu 7/30

11:15 pm-6:35 pm

2 stops26h 20m

$1,156

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sat 7/18

5:40 pm-12:50 pm

1 stop12h 10m

Kaunas

Fri 8/7

9:25 pm-7:50 pm

2 stops29h 25m

$1,205

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 6/18

10:05 am-4:50 pm

3 stops23h 45m

Kaunas

Mon 6/22

11:40 pm-2:45 pm

3 stops46h 05m

$1,233
Quickest round-trip

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Sat 7/18

5:40 pm-12:50 pm

1 stop12h 10m

Kaunas

Wed 8/5

8:35 am-6:50 pm

2 stops17h 15m

$1,245

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 7/23

5:25 pm-3:55 pm

1 stop15h 30m

Kaunas

Thu 7/30

11:15 pm-9:05 am

2 stops40h 50m

$1,260

BostonKaunas

BOS - KUN

BOSKUN

Boston Logan Intl

Thu 6/18

10:05 am-4:50 pm

2 stops23h 45m

Kaunas

Mon 6/22

11:40 pm-2:45 pm

3 stops46h 05m

$1,265

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 San Francisco, and flying into Kaunas, then you can expect flight times to average 15h 30m and 12h 30m, 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 One-Way Price

$365

Best Round-Trip Price

$985

Fastest flight time

20h 25m
The best one-way flight price to Kaunas from United States in the last 5 days is $365 (Chicago O'Hare Intl to Kaunas).
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The best round-trip flight price to Kaunas from United States in the last 5 days is $985 (Boston Logan Intl to Kaunas).
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The fastest flight to Kaunas from United States takes 20h 25m (Chicago O'Hare 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 $150 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 Tallinn found flights 84% 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 June 2026, 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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