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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
10 Sep — 17 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 11 August 2026.

Wed 7/1006:40 -
1 stop15h 00m
Wed 14/1000:05 -
2 stops18h 20m
Deal found 7/8£172
Wed 7/1006:40 -
1 stop15h 00m
Fri 16/1023:45 -
1 stop11h 35m
Deal found 7/8£177
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£178
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
Mon 28/907:05 -
2 stops15h 00m
Fri 2/1023:45 -
1 stop11h 35m
Deal found 6/8£192
Thu 29/1006:40 -
1 stop11h 10m
Mon 2/1114:20 -
1 stop5h 20m
Deal found 9/8£194
Wed 25/1106:40 -
1 stop10h 30m
Sat 28/1106:10 -
1 stop12h 15m
Deal found 7/8£195
Thu 22/1010:20 -
1 stop12h 30m
Mon 26/1014:20 -
1 stop5h 20m
Deal found 7/8£197

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 11 August 2026.

Round-trip from

£172

One-way from

£84

Popular in

July

Cheapest in

January

Average price

£202
7/10-14/10
  • 7/10-14/10
  • 3 total stops
  • 33h 20m 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 11 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

Fri 6/11

21:05-09:20

1 stop10h 15m

Kaunas

Mon 16/11

14:30-21:20

1 stop8h 50m

£173

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

Wed 7/10

08:50-23:40

2 stops12h 50m

Kaunas

Fri 16/10

23:45-09:20

1 stop11h 35m

£204
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

Thu 5/11

20:50-16:25

2 stops17h 35m

Kaunas

Mon 9/11

14:30-20:50

2 stops8h 20m

£216

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Sat 5/9

06:40-23:50

1 stop15h 10m

Kaunas

Sun 6/9

20:55-10:45

2 stops15h 50m

£217

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Fri 18/9

06:40-19:15

2 stops34h 35m

Kaunas

Sun 20/9

06:55-14:35

2 stops9h 40m

£233

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Mon 7/9

11:05-23:15

2 stops10h 10m

Kaunas

Mon 14/9

20:40-09:20

1 stop14h 40m

£236

LondonKaunas

LHR London Heathrow - KUN Kaunas

LHRKUN

London Heathrow

Tue 1/9

06:40-23:55

1 stop15h 15m

Kaunas

Sat 5/9

20:40-08:55

1 stop14h 15m

£247

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 16 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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