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Cheap flights from London Heathrow Airport to Kaunas from £103

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KUN
11 Jul — 18 Jul1
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 June 2026.

Tue 8/906:40
LHR
-
KUN
1 stop15h 15m
Multiple Airlines
Tue 22/920:45
KUN
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 8/6£187
Mon 16/1120:50
LHR
-
KUN
2 stops18h 00m
Multiple Airlines
Sat 21/1116:20
KUN
-
LHR
1 stop6h 45m
Multiple Airlines
Deal found 7/6£199
Thu 13/811:45
LHR
-
KUN
2 stops11h 05m
Multiple Airlines
Sat 22/820:40
KUN
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 6/6£220
Wed 26/806:40
LHR
-
KUN
1 stop15h 00m
Multiple Airlines
Wed 2/914:30
KUN
-
LHR
2 stops20h 30m
Multiple Airlines
Deal found 7/6£225
Sat 5/906:40
LHR
-
KUN
1 stop10h 35m
Multiple Airlines
Tue 15/910:20
KUN
-
LHR
1 stop7h 40m
Multiple Airlines
Deal found 9/6£229
Sat 12/906:40
LHR
-
KUN
1 stop15h 10m
Multiple Airlines
Wed 16/900:05
KUN
-
LHR
1 stop11h 15m
Multiple Airlines
Deal found 6/6£234
Thu 3/918:40
LHR
-
KUN
1 stop12h 05m
Multiple Airlines
Sun 6/920:55
KUN
-
LHR
1 stop14h 00m
Multiple Airlines
Deal found 6/6£235
Thu 17/919:30
LHR
-
KUN
1 stop11h 15m
Multiple Airlines
Tue 6/1006:50
KUN
-
LHR
1 stop9h 05m
Multiple Airlines
Deal found 7/6£237
Mon 17/818:40
LHR
-
KUN
1 stop12h 45m
Multiple Airlines
Wed 26/800:05
KUN
-
LHR
1 stop11h 15m
Multiple Airlines
Deal found 7/6£255
Thu 11/614:45
LHR
-
KUN
2 stops8h 05m
Multiple Airlines
Wed 17/600:05
KUN
-
LHR
1 stop11h 15m
Multiple Airlines
Deal found 6/6£256

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 June 2026.

Round-trip from

£187

One-way from

£103

Popular in

December

Cheapest in

January

Average price

£125
8/9-22/9
  • 8/9-22/9
  • 2 total stops
  • 29h 25m total
  • London to Kaunas
Search Deals
21/8
  • 21/8
  • 1 total stop
  • 14h 40m total
  • London to Kaunas
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 June 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

Wed 26/8

06:40-23:40

1 stop15h 00m

Kaunas

Wed 2/9

14:30-09:00

2 stops20h 30m

£225

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Sat 12/9

06:40-23:50

1 stop15h 10m

Kaunas

Wed 16/9

00:05-09:20

1 stop11h 15m

£234

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Thu 3/9

18:40-08:45

1 stop12h 05m

Kaunas

Sun 6/9

20:55-08:55

1 stop14h 00m

£235

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Tue 8/9

09:55-23:55

2 stops12h 00m

Kaunas

Tue 22/9

22:10-16:10

2 stops20h 00m

£267
Fastest return journey

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Wed 1/7

10:35-23:40

2 stops11h 05m

Kaunas

Fri 17/7

09:10-17:40

1 stop10h 30m

£312

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Fri 10/7

06:40-23:20

1 stop14h 40m

Kaunas

Tue 14/7

10:20-18:30

1 stop10h 10m

£316

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Tue 7/7

13:55-23:55

1 stop8h 00m

Kaunas

Tue 14/7

19:45-09:10

2 stops15h 25m

£331

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Wed 24/6

18:10-12:45

2 stops16h 35m

Kaunas

Sat 11/7

20:40-08:55

1 stop14h 15m

£348

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Fri 26/6

19:45-19:15

2 stops21h 30m

Kaunas

Sun 28/6

06:55-07:40

2 stops26h 45m

£351

LondonKaunas

LHR - KUN

LHRKUN

London Heathrow

Sat 4/7

06:40-23:50

1 stop15h 10m

Kaunas

Sat 11/7

20:40-08:55

1 stop14h 15m

£357

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 18 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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