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Cheap flights from London Heathrow Airport to Kaunas from £84

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KUN
13 Sep — 20 Sep1
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 14 August 2026.

Thu 12/1106:40 -
1 stop8h 05m
Sun 15/1107:00 -
1 stop14h 55m
Deal found 12/8£162
Fri 27/1106:40 -
1 stop7h 45m
Sun 29/1111:35 -
1 stop11h 45m
Deal found 11/8£168
Fri 6/1121:05 -
1 stop10h 15m
Mon 16/1114:30 -
1 stop8h 50m
Deal found 9/8£173
Thu 5/1119:30 -
1 stop12h 20m
Mon 9/1114:30 -
1 stop8h 50m
Deal found 10/8£178
Fri 6/1106:40 -
1 stop7h 45m
Sun 15/1111:35 -
1 stop10h 20m
Deal found 10/8£179
Sun 6/906:40 -
1 stop15h 25m
Sun 13/920:55 -
2 stops19h 20m
Deal found 9/8£180
Tue 6/1006:40 -
1 stop15h 15m
Fri 16/1023:45 -
1 stop11h 35m
Deal found 10/8£182
Tue 10/1106:40 -
1 stop5h 25m
Tue 24/1114:35 -
1 stop5h 55m
Deal found 11/8£185
Tue 27/1006:40 -
1 stop5h 25m
Fri 6/1113:15 -
1 stop8h 40m
Deal found 11/8£188
Mon 12/1007:05 -
2 stops15h 00m
Fri 16/1023:45 -
1 stop11h 35m
Deal found 11/8£190
Thu 5/1106:40 -
1 stop8h 05m
Thu 12/1116:40 -
1 stop6h 40m
Deal found 12/8£193

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 14 August 2026.

Round-trip from

£162

One-way from

£84

Popular in

July

Cheapest in

January

Average price

£202
12/11-15/11
  • 12/11-15/11
  • 2 total stops
  • 23h 00m total
  • London to Kaunas
Search Deals
2/9
  • 2/9
  • 1 total stop
  • 23h 40m total
  • London to Kaunas
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 14 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

Fri 6/11

21:05-09:20

1 stop10h 15m

Kaunas

Mon 16/11

14:30-21:20

1 stop8h 50m

£173
Fastest return journey

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Tue 10/11

06:40-14:05

1 stop5h 25m

Kaunas

Tue 24/11

14:35-18:30

1 stop5h 55m

£185

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Tue 27/10

06:40-14:05

1 stop5h 25m

Kaunas

Fri 6/11

13:15-19:55

1 stop8h 40m

£188

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Thu 29/10

06:40-19:50

1 stop11h 10m

Kaunas

Mon 2/11

14:20-17:40

1 stop5h 20m

£194

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Fri 6/11

18:05-12:30

1 stop16h 25m

Kaunas

Wed 11/11

21:00-09:20

1 stop14h 20m

£196

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 11/11

10:20-19:10

1 stop6h 50m

Kaunas

Mon 16/11

14:20-17:40

1 stop5h 20m

£197

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Wed 14/10

10:20-23:40

1 stop11h 20m

Kaunas

Wed 21/10

14:30-09:10

2 stops20h 40m

£199

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Sun 27/9

06:40-00:05

1 stop15h 25m

Kaunas

Sun 4/10

06:55-16:00

1 stop11h 05m

£204

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Fri 2/10

06:40-23:20

1 stop14h 40m

Kaunas

Mon 5/10

20:40-19:55

2 stops25h 15m

£205

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Sat 26/9

06:40-10:20

2 stops25h 40m

Kaunas

Sat 3/10

19:40-08:55

2 stops15h 15m

£210

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 19 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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