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Cheap flights from London Heathrow Airport to Kaunas from £106

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KUN
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Kaunas

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Kaunas
Explore the most affordable flight options available from Heathrow to Kaunas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Thu 11/617:35
LHR
-
KUN
2 stops13h 10m
Multiple Airlines
Wed 17/600:05
KUN
-
LHR
2 stops10h 55m
Multiple Airlines
Deal found 12/5£217
Mon 17/818:40
LHR
-
KUN
1 stop12h 45m
Multiple Airlines
Tue 25/820:45
KUN
-
LHR
2 stops16h 00m
Multiple Airlines
Deal found 8/5£225
Sun 7/606:40
LHR
-
KUN
1 stop15h 25m
Multiple Airlines
Mon 8/623:40
KUN
-
LHR
2 stops12h 40m
Multiple Airlines
Deal found 11/5£228
Mon 11/517:00
LHR
-
KUN
1 stop5h 05m
Multiple Airlines
Wed 13/510:55
KUN
-
LHR
2 stops12h 50m
Multiple Airlines
Deal found 9/5£230
Mon 8/606:50
LHR
-
KUN
1 stop11h 20m
Multiple Airlines
Fri 12/613:55
KUN
-
LHR
2 stops10h 45m
Multiple Airlines
Deal found 12/5£244
Mon 8/614:45
LHR
-
KUN
2 stops7h 20m
Multiple Airlines
Wed 24/610:55
KUN
-
LHR
2 stops12h 50m
Multiple Airlines
Deal found 11/5£247
Fri 15/510:20
LHR
-
KUN
1 stop11h 00m
Multiple Airlines
Fri 22/509:10
KUN
-
LHR
1 stop8h 50m
Multiple Airlines
Deal found 10/5£248
Mon 8/614:45
LHR
-
KUN
2 stops7h 20m
Multiple Airlines
Wed 10/610:55
KUN
-
LHR
2 stops12h 50m
Multiple Airlines
Deal found 10/5£254
Fri 5/609:55
LHR
-
KUN
2 stops11h 25m
Multiple Airlines
Wed 10/610:55
KUN
-
LHR
2 stops12h 50m
Multiple Airlines
Deal found 9/5£256
Fri 22/513:30
LHR
-
KUN
3 stops30h 25m
Multiple Airlines
Sun 24/520:55
KUN
-
LHR
1 stop14h 00m
Multiple Airlines
Deal found 12/5£257

Find flight deals from Heathrow to Kaunas

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Kaunas (KUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 May 2026.

Round-trip from

£217

One-way from

£106

Popular in

August

Cheapest in

January

Average price

£103
11/6-17/6
  • 11/6-17/6
  • 4 total stops
  • 24h 05m total
  • London to Kaunas
Search Deals
29/10
  • 29/10
  • 1 total stop
  • 13h 10m total
  • London to Kaunas
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 13 May 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 - KUN

LHRKUN

London Heathrow

Mon 8/6

14:45-00:05

2 stops7h 20m

Kaunas

Wed 10/6

10:55-21:45

2 stops12h 50m

£254

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Fri 7/8

19:15-21:55

2 stops24h 40m

Kaunas

Tue 11/8

20:45-08:55

1 stop14h 10m

£259
Fastest return journey

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Tue 20/10

13:55-23:55

1 stop8h 00m

Kaunas

Fri 23/10

09:10-13:30

1 stop6h 20m

£266

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Sat 22/8

08:40-21:55

2 stops11h 15m

Kaunas

Sat 29/8

18:30-08:55

2 stops16h 25m

£272

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Mon 21/9

17:00-00:05

1 stop5h 05m

Kaunas

Sat 26/9

20:40-08:55

1 stop14h 15m

£284

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Fri 7/8

17:10-21:55

2 stops26h 45m

Kaunas

Mon 17/8

20:40-09:20

1 stop14h 40m

£286

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Thu 28/5

17:00-00:50

1 stop5h 50m

Kaunas

Sun 31/5

13:50-20:55

1 stop9h 05m

£314

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Mon 13/7

12:10-00:05

2 stops9h 55m

Kaunas

Fri 17/7

13:55-22:40

2 stops10h 45m

£339

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Tue 14/7

20:55-23:40

3 stops24h 45m

Kaunas

Fri 17/7

13:55-22:40

2 stops10h 45m

£354

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Fri 12/6

07:40-15:55

1 stop6h 15m

Kaunas

Tue 16/6

06:50-17:20

1 stop12h 30m

£367

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Kaunas

Have a flexible travel schedule? Discover the best time to fly to Kaunas from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Kaunas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kaunas from London Heathrow?

    Kaunas (KUN) is the airport you will fly into if you book a flight from London Heathrow to Kaunas. You should not have trouble finding flights to Kaunas from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Kaunas airport from London Heathrow. It is only a 8.3 mi journey from Kaunas (KUN) to Kaunas’s city center.

  • Can I find deals for flights from Heathrow to Kaunas that include hotel bookings?

    Yes. In addition to deals on Heathrow to Kaunas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Kaunas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Kaunas.

  • Can I find deals for business class flights from Heathrow to Kaunas?

    Yes. Cheapflights offers flight deals from Heathrow to Kaunas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Heathrow to Kaunas?

Deals for Heathrow to Kaunas flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Kaunas?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Kaunas.

Can Cheapflights find flights from Heathrow to Kaunas with no change fees?

Certainly. Search results for flights to Kaunas from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Kaunas become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kaunas from Heathrow today and book when prices fit your budget.

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