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Cheap flights from Klagenfurt to London Heathrow Airport from £166

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
KLU — LHR
11 May — 18 May1
1 adult
Sat 11/5
Sat 18/5

Cheap flight deals from Klagenfurt to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Klagenfurt (KLU) to Heathrow (LHR). 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 6 May 2024.

Popular in

May

Cheapest in

November

Average price

£336

Round-trip from

£69
High demand for flights, 29% potential price rise
Search Deals
Best time to find cheap flights, 90% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Klagenfurt to London Heathrow
Search Deals

How far in advance should I book a flight from Klagenfurt to London Heathrow Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 11 days in advance, which can save you up to 84% on flights from Klagenfurt to London Heathrow Airport compared to booking the week you need them. Waiting 11 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £26. For sooner than that we have options available in the next 3 days from £63.

What is the cheapest month to fly from Klagenfurt to London Heathrow Airport?

November can be a great time to fly to London Heathrow Airport from Klagenfurt with a flight ticket averaging about £106. Cheapflights users have found deals in the month of November for as cheap as £22. The most expensive prices can be found in the month of April.

When is the cheapest time to fly from Klagenfurt to London Heathrow Airport (KLU - LHR)?

When flying from Klagenfurt to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Austrian Airlines flights from Klagenfurt to Heathrow

Explore cheap flight options specifically provided by Austrian Airlines for the route between Klagenfurt and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 869,692 searches. Data last updated 6 May 2024.
Take a peek at the cheapest Austrian Airlines flights we've detected travelling from Klagenfurt to London. Make sure to check back often as deals are often changing.
Wed 2/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Wed 9/1009:05LHR - KLU
1 stop3h 55mAustrian Airlines
Deal found 6/5£166
Mon 14/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Mon 21/1006:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£167
Tue 10/915:00KLU - LHR
1 stop18h 20mAustrian Airlines
Tue 17/906:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 6/5£171
Fri 18/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Sun 20/1006:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 6/5£179
Fri 4/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Sun 6/1006:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£182
Tue 10/915:00KLU - LHR
1 stop19h 20mAustrian Airlines
Wed 18/909:05LHR - KLU
1 stop3h 55mAustrian Airlines
Deal found 6/5£188
Mon 16/915:00KLU - LHR
1 stop7h 40mAustrian Airlines
Sat 21/906:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 5/5£199
Thu 12/915:00KLU - LHR
1 stop19h 20mAustrian Airlines
Thu 19/909:05LHR - KLU
1 stop3h 55mAustrian Airlines
Deal found 6/5£204
Wed 26/605:45KLU - LHR
1 stop4h 35mAustrian Airlines
Sun 30/606:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£206

Cheap Lufthansa flights from Klagenfurt to Heathrow

Explore cheap flight options specifically provided by Lufthansa for the route between Klagenfurt and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 869,692 searches. Data last updated 6 May 2024.
To aid your search, here are some of the cheapest Lufthansa flights we've found from Klagenfurt to London. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 10/915:00KLU - LHR
2 stops6h 45mLufthansa
Tue 17/913:30LHR - KLU
2 stops8h 55mLufthansa
Deal found 6/5£241
Mon 14/1015:00KLU - LHR
2 stops6h 40mLufthansa
Mon 21/1006:30LHR - KLU
2 stops6h 30mLufthansa
Deal found 5/5£253
Fri 18/1015:00KLU - LHR
2 stops8h 10mLufthansa
Sun 20/1007:30LHR - KLU
2 stops5h 30mLufthansa
Deal found 6/5£261
Wed 2/1005:45KLU - LHR
2 stops10h 55mLufthansa
Wed 9/1006:30LHR - KLU
2 stops6h 30mLufthansa
Deal found 6/5£262
Mon 2/915:00KLU - LHR
2 stops6h 40mLufthansa
Mon 9/913:30LHR - KLU
2 stops8h 55mLufthansa
Deal found 5/5£265
Wed 10/715:00KLU - LHR
2 stops8h 10mLufthansa
Wed 17/713:30LHR - KLU
2 stops8h 55mLufthansa
Deal found 5/5£269
Mon 28/1011:05KLU - LHR
2 stops7h 00mLufthansa
Fri 1/1108:30LHR - KLU
2 stops8h 30mLufthansa
Deal found 5/5£303
Sat 18/515:00KLU - LHR
2 stops8h 10mLufthansa
Mon 20/506:30LHR - KLU
2 stops6h 30mLufthansa
Deal found 5/5£306
Sun 6/1015:00KLU - LHR
2 stops19h 40mLufthansa
Fri 11/1020:25LHR - KLU
2 stops16h 35mLufthansa
Deal found 6/5£307

Cheap Klagenfurt to Heathrow flights in May & June 2024

Find cheap flight options from Klagenfurt to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 869,692 searches. Prices were last updated on 6 May 2024.
Scroll through some of the best deals on flights from Klagenfurt to London in 2024. Check back soon for alternative fares.
Thu 23/515:00KLU - LHR
1 stop7h 40mAustrian Airlines
Tue 28/506:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 5/5£204
Wed 26/605:45KLU - LHR
1 stop4h 35mAustrian Airlines
Sun 30/606:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£206
Mon 27/505:45KLU - LHR
1 stop4h 35mAustrian Airlines
Fri 31/506:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 6/5£219
Tue 14/505:45KLU - LHR
1 stop16h 55mAustrian Airlines
Tue 21/506:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 5/5£224
Wed 15/505:45KLU - LHR
1 stop4h 35mAustrian Airlines
Sun 19/510:00LHR - KLU
1 stop27h 00mAustrian Airlines
Deal found 6/5£242
Wed 15/505:45KLU - LHR
1 stop4h 35mAustrian Airlines
Sun 19/510:00LHR - KLU
1 stop27h 00mAustrian Airlines
Deal found 6/5£244
Sat 18/515:00KLU - LHR
1 stop7h 40mAustrian Airlines
Mon 20/506:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 5/5£260
Wed 15/505:45KLU - LHR
1 stop13h 55mAustrian Airlines
Sun 19/509:05LHR - KLU
1 stop13h 20mAustrian Airlines
Deal found 5/5£268
Wed 29/505:45KLU - LHR
2 stops9h 25mMultiple Airlines
Tue 11/606:00LHR - KLU
1 stop7h 00mMultiple Airlines
Deal found 5/5£269

Klagenfurt to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Klagenfurt and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 869,692 searches. Data last updated 6 May 2024.
Scroll through some of the best deals on flights from Klagenfurt to London in 2024. Check back soon for alternative fares.
Wed 2/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Wed 9/1009:05LHR - KLU
1 stop3h 55mAustrian Airlines
Deal found 6/5£166
Mon 14/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Mon 21/1006:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£167
Tue 10/915:00KLU - LHR
1 stop18h 20mAustrian Airlines
Tue 17/906:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 6/5£171
Fri 18/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Sun 20/1006:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 6/5£179
Fri 4/1015:00KLU - LHR
1 stop7h 40mAustrian Airlines
Sun 6/1006:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£182
Tue 10/915:00KLU - LHR
1 stop18h 20mAustrian Airlines
Sun 15/906:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 6/5£188
Wed 2/1015:00KLU - LHR
1 stop7h 40mMultiple Airlines
Wed 9/1007:30LHR - KLU
2 stops5h 30mMultiple Airlines
Deal found 6/5£193
Mon 16/915:00KLU - LHR
1 stop7h 40mAustrian Airlines
Sat 21/906:00LHR - KLU
1 stop7h 00mAustrian Airlines
Deal found 5/5£199
Thu 12/915:00KLU - LHR
2 stops6h 40mMultiple Airlines
Tue 17/909:05LHR - KLU
1 stop3h 55mMultiple Airlines
Deal found 6/5£201

Klagenfurt to Heathrow flights leaving soon

Find last-minute flight options from Klagenfurt to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 869,692 searches. Data last updated 6 May 2024.
Users seeking a last-minute flight from Klagenfurt to London should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 14/515:00KLU - LHR
1 stop24h 20mAustrian Airlines
Wed 22/506:00LHR - KLU
1 stop16h 25mAustrian Airlines
Deal found 5/5£224
Wed 15/505:45KLU - LHR
1 stop4h 35mAustrian Airlines
Sun 19/510:00LHR - KLU
1 stop27h 00mAustrian Airlines
Deal found 6/5£242
Wed 15/505:45KLU - LHR
1 stop4h 35mAustrian Airlines
Sun 19/510:00LHR - KLU
1 stop27h 00mAustrian Airlines
Deal found 6/5£244
Wed 15/505:45KLU - LHR
1 stop13h 55mAustrian Airlines
Sun 19/509:05LHR - KLU
1 stop13h 20mAustrian Airlines
Deal found 5/5£268
Tue 14/505:45KLU - LHR
2 stops12h 20mMultiple Airlines
Sun 19/510:00LHR - KLU
1 stop27h 00mMultiple Airlines
Deal found 5/5£271
Thu 16/515:00KLU - LHR
1 stop7h 40mMultiple Airlines
Mon 20/506:30LHR - KLU
2 stops6h 30mMultiple Airlines
Deal found 5/5£277
Wed 15/505:45KLU - LHR
1 stop4h 35mMultiple Airlines
Sun 19/513:45LHR - KLU
2 stops8h 40mMultiple Airlines
Deal found 5/5£292
Wed 15/515:00KLU - LHR
1 stop7h 40mMultiple Airlines
Sun 19/513:45LHR - KLU
2 stops8h 40mMultiple Airlines
Deal found 5/5£297
Wed 15/505:45KLU - LHR
2 stops9h 55mMultiple Airlines
Sun 19/506:00LHR - KLU
1 stop16h 25mMultiple Airlines
Deal found 5/5£298

One-way flights to Heathrow from Klagenfurt

Search for one-way flight options from Klagenfurt to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 869,692 searches. Data last updated 6 May 2024.
Users in need of a one-way flight from Klagenfurt to London can choose from these deals. Users in need of a round-trip flight from Klagenfurt to London instead should update the search form at the top of page.
Wed 21/815:00KLU - LHR
2 stops6h 40mLufthansa
Deal found 6/5£190
Wed 21/815:00KLU - LHR
1 stop18h 20mAustrian Airlines
Deal found 6/5£195
Mon 1/715:00KLU - LHR
2 stops17h 40mMultiple Airlines
Deal found 5/5£285
Mon 1/715:00KLU - LHR
1 stop28h 05mMultiple Airlines
Deal found 5/5£337
Wed 21/805:45KLU - LHR
3 stops11h 55mMultiple Airlines
Deal found 6/5£379
Mon 1/705:45KLU - LHR
3 stops13h 50mMultiple Airlines
Deal found 5/5£394
Sun 2/615:00KLU - LHR
1 stop18h 20mAustrian Airlines
Deal found 5/5£395
Sun 7/715:00KLU - LHR
2 stops25h 40mLufthansa
Deal found 6/5£404
Sun 7/715:00KLU - LHR
1 stop18h 20mAustrian Airlines
Deal found 6/5£466

Find flights from Klagenfurt to Heathrow within your budget

Customise your flight search to find flights from Klagenfurt to Heathrow 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 869,692 searches. Data last updated 6 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£166 - £241

Route

Depart

Return

Price

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Wed 2/10

1 stop7h 40m

London Heathrow

Wed 9/10

1 stop3h 55m

£166

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Mon 14/10

1 stop7h 40m

London Heathrow

Mon 21/10

1 stop16h 25m

£167

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Tue 10/9

1 stop18h 20m

London Heathrow

Tue 17/9

1 stop7h 00m

£171

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Fri 18/10

1 stop7h 40m

London Heathrow

Sun 20/10

1 stop7h 00m

£179

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Fri 4/10

1 stop7h 40m

London Heathrow

Sun 6/10

1 stop16h 25m

£182

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Wed 2/10

1 stop7h 40m

London Heathrow

Wed 9/10

2 stops5h 30m

£193

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Thu 12/9

2 stops6h 40m

London Heathrow

Tue 17/9

1 stop3h 55m

£201

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Fri 18/10

1 stop7h 40m

London Heathrow

Sun 20/10

2 stops5h 30m

£209

KlagenfurtLondon Heathrow

KLU - LHR

KLULHR

Klagenfurt

Tue 10/9

2 stops6h 45m

London Heathrow

Tue 17/9

2 stops8h 55m

£241

Flights are sorted by cheapest first

Deals found on 6/5

No data available for this route at this time. Please check back soon.

Average price of flights to Heathrow by month

Plan your trip from Klagenfurt to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Klagenfurt to Heathrow is currently £339 while a return flight costs £190. Price data was last updated on 28 April 2024.

Currently, January is the cheapest month in which you can book a flight from Klagenfurt to London Heathrow Airport (average of £111). Flying from Klagenfurt to London Heathrow Airport in June is currently the most expensive (average of £171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

£88

February

£99

March

£95

April

£101

May

£108

June

£136

July

£135

August

£116

September

£112

October

£127

November

£92

December

£96

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 6 May 2024.
See what other customers who have flown with Austrian Airlines and Lufthansa from Klagenfurt to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.7
Good
1,068 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 10

Amazingly smooth and easy check in and boarding process. Food was a bit meh, but everything else was great.

Austrian Airlines
7.7
Good
1,068 reviews
Austrian Airlines
7.7
Good
1,068 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 10

Amazingly smooth and easy check in and boarding process. Food was a bit meh, but everything else was great.

Lufthansa
7.0
Good
7,711 reviews
Austrian Airlines
7.7
Good
1,068 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Overall

7.7

Reviews

1 / 10

Amazingly smooth and easy check in and boarding process. Food was a bit meh, but everything else was great.

Related info for your journey

Find useful and relevant information for your journey from Klagenfurt to Heathrow. 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 from for flights from Klagenfurt to London Heathrow?

    Klagenfurt (KLU) is the airport you will fly out of if you book a flight from Klagenfurt to London Heathrow. You should not have trouble finding flights to London Heathrow from Klagenfurt; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Klagenfurt airport to London Heathrow. It is only a 2.0 mi journey to Klagenfurt (KLU) from Klagenfurt’s city center.

  • Can I find flights from Klagenfurt to London Heathrow Airport for under £200 on Cheapflights?

    Yes, there are multiple flights from Klagenfurt to London Heathrow Airport for under £200. The cheapest flight booked recently is on Austrian Airlines for just £166, but on average you can expect to pay £201.

  • Are there last-minute flights available from Klagenfurt to London Heathrow Airport for under £300?

    There are currently 20+ open flights from Klagenfurt to London Heathrow Airport within the next 7 days for less than £300.

  • What are the cheapest airlines flying from Klagenfurt to London Heathrow Airport round-trip?

    Austrian Airlines, at £166, was found to be the cheapest airline from Klagenfurt to London Heathrow Airport. An alternate airline flying to your destination would be Lufthansa. These flights start at 30% lower than the current average price 3 months from now.

  • What does KLU to LHR mean?

    This is defined as Klagenfurt Airport (KLU) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Klagenfurt to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Klagenfurt to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Klagenfurt to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Klagenfurt to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Klagenfurt to Heathrow that allow pets onboard?

    Many airlines flying from Klagenfurt to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Klagenfurt to Heathrow?

    Yes, you can often find last-minute deals on Klagenfurt to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Klagenfurt to London Heathrow Airport flight deals updated?

    The Klagenfurt to London Heathrow Airport flight deals you see on this page were last updated on 6/5.

See more FAQs

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Alternative routes for Klagenfurt to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from Klagenfurt to Heathrow by cabin class

Find flights from Klagenfurt to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Klagenfurt to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Klagenfurt to Heathrow for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Klagenfurt to Heathrow with no change fees.

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

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

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