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Cheap flights from London Heathrow Airport to Kaunas from £90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Kaunas departing on 2/9. 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

Find the cheapest flights from London Heathrow Airport to Kaunas

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:40 - 23:40LHR  London Heathrow-KUN Kaunas
15h 00m1 stop Kastrup Copenhagen
Multiple Airlines Logo
00:05 - 16:25KUN  Kaunas-LHR London Heathrow
18h 20m2 stops Kastrup Copenhagen Oslo Gardermoen
£172Multiple Airlines
Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
06:40 - 23:40LHR  London Heathrow-KUN Kaunas
15h 00m1 stop Kastrup Copenhagen
Multiple Airlines Logo
00:05 - 16:25KUN  Kaunas-LHR London Heathrow
18h 20m2 stops Kastrup Copenhagen Oslo Gardermoen
£173Multiple Airlines
Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
06:40 - 23:40LHR  London Heathrow-KUN Kaunas
15h 00m1 stop Kastrup Copenhagen
Multiple Airlines Logo
23:45 - 09:20KUN  Kaunas-LHR London Heathrow
11h 35m1 stop Kastrup Copenhagen
£177Multiple Airlines
Wed, 7 Oct - Fri, 16 Oct
Multiple Airlines Logo
07:05 - 00:05LHR  London Heathrow-KUN Kaunas
15h 00m2 stops Oslo Gardermoen Kastrup Copenhagen
Multiple Airlines Logo
23:45 - 09:20KUN  Kaunas-LHR London Heathrow
11h 35m1 stop Kastrup Copenhagen
£192Multiple Airlines
Mon, 28 Sep - Fri, 2 Oct
Multiple Airlines Logo
06:40 - 19:10LHR  London Heathrow-KUN Kaunas
10h 30m1 stop Kastrup Copenhagen
Multiple Airlines Logo
06:10 - 16:25KUN  Kaunas-LHR London Heathrow
12h 15m1 stop Stockholm Arlanda
£195Multiple Airlines
Wed, 25 Nov - Sat, 28 Nov
Multiple Airlines Logo
10:20 - 00:50LHR  London Heathrow-KUN Kaunas
12h 30m1 stop Kastrup Copenhagen
Multiple Airlines Logo
14:20 - 17:40KUN  Kaunas-LHR London Heathrow
5h 20m1 stop Kastrup Copenhagen
£197Multiple Airlines
Thu, 22 Oct - Mon, 26 Oct
Multiple Airlines Logo
19:30 - 08:45LHR  London Heathrow-KUN Kaunas
11h 15m1 stop Kastrup Copenhagen
Multiple Airlines Logo
20:55 - 14:15KUN  Kaunas-LHR London Heathrow
19h 20m2 stops Stockholm Arlanda Paris Orly
£198Multiple Airlines
Thu, 17 Sep - Sun, 20 Sep
Multiple Airlines Logo
07:05 - 00:05LHR  London Heathrow-KUN Kaunas
15h 00m2 stops Oslo Gardermoen Kastrup Copenhagen
Multiple Airlines Logo
09:10 - 17:00KUN  Kaunas-LHR London Heathrow
9h 50m2 stops Kastrup Copenhagen Stockholm Arlanda
£201Multiple Airlines
Mon, 28 Sep - Fri, 2 Oct
Multiple Airlines Logo
06:40 - 17:45LHR  London Heathrow-KUN Kaunas
9h 05m1 stop Kastrup Copenhagen
Multiple Airlines Logo
14:20 - 17:40KUN  Kaunas-LHR London Heathrow
5h 20m1 stop Kastrup Copenhagen
£204Multiple Airlines
Mon, 9 Nov - Mon, 16 Nov
Multiple Airlines Logo
08:50 - 23:40LHR  London Heathrow-KUN Kaunas
12h 50m2 stops Berlin Brandenburg Kastrup Copenhagen
Multiple Airlines Logo
23:45 - 09:20KUN  Kaunas-LHR London Heathrow
11h 35m1 stop Kastrup Copenhagen
£204Multiple Airlines
Wed, 7 Oct - Fri, 16 Oct

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Customise your flight search to find flights from London Heathrow Airport 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 279,928 searches. Data last updated 8 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Kaunas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 7/10

06:40-23:40

1 stop15h 00m

Kaunas

Wed 14/10

00:05-16:25

2 stops18h 20m

£172

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 7/10

06:40-23:40

1 stop15h 00m

Kaunas

Wed 14/10

00:05-16:25

2 stops18h 20m

£173

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 7/10

06:40-23:40

1 stop15h 00m

Kaunas

Fri 16/10

23:45-09:20

1 stop11h 35m

£177

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Mon 28/9

07:05-00:05

2 stops15h 00m

Kaunas

Fri 2/10

23:45-09:20

1 stop11h 35m

£192

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 25/11

06:40-19:10

1 stop10h 30m

Kaunas

Sat 28/11

06:10-16:25

1 stop12h 15m

£195

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Thu 22/10

10:20-00:50

1 stop12h 30m

Kaunas

Mon 26/10

14:20-17:40

1 stop5h 20m

£197

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Thu 17/9

19:30-08:45

1 stop11h 15m

Kaunas

Sun 20/9

20:55-14:15

2 stops19h 20m

£198

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Mon 28/9

07:05-00:05

2 stops15h 00m

Kaunas

Fri 2/10

09:10-17:00

2 stops9h 50m

£201
Fastest return journey

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Mon 9/11

06:40-17:45

1 stop9h 05m

Kaunas

Mon 16/11

14:20-17:40

1 stop5h 20m

£204

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 7/10

08:50-23:40

2 stops12h 50m

Kaunas

Fri 16/10

23:45-09:20

1 stop11h 35m

£204

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Kaunas from

How to get the cheapest flight ticket from London Heathrow Airport 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 is the cheapest day to depart on your flight to Kaunas?

According to our data, Friday is the cheapest day to fly to Kaunas from London Heathrow Airport. The lowest ticket price found for a Friday departure recently was £88. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Kaunas for around £150.

What is the cheapest time of day to depart on your flight to Kaunas?

Our data shows that the cheapest London Heathrow Airport to Kaunas flights are usually those with departure times in the evening. Our users have found flights to Kaunas in the evening for as low as £99. In contrast, the most expensive time of day to depart to Kaunas is in the afternoon when prices are around £132.

When to book flights from London Heathrow Airport to Kaunas

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

Cheap London Heathrow Airport to Kaunas (LHR to KUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Kaunas

Fastest flight time

4h 40m

Direct flights

None
The fastest flight from London Heathrow Airport to Kaunas takes 4h 40m
There are no direct flights from London Heathrow Airport to Kaunas. There are no popular flight routes from London Heathrow Airport to Kaunas.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Kaunas

  • How far is London Heathrow to Kaunas by plane?

    The distance between London Heathrow and Kaunas is about 1029.5 mi. By plane, this route typically takes 4h 40m.

  • When did momondo last update prices for flights from London Heathrow Airport to Kaunas Airport?

    Prices for flights from London Heathrow Airport to Kaunas Airport refresh daily.

  • How old do you have to be to fly from London Heathrow Airport to Kaunas 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 London Heathrow Airport to Kaunas Airport.

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

    The travel and health documents you'll need for your trip to Kaunas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kaunas Airport. It is always advisable to seek 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 London to Kaunas?

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

Yes. All flights to Kaunas from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 London to Kaunas.

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

Yes. momondo can track prices for London to Kaunas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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