What are the cheapest airlines to fly from Serbia to London Heathrow Airport one-way?

£42 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on KLM and LOT, with prices starting from £90 and £109, respectively.

What is the cheapest day to fly from Serbia to London Heathrow Airport?

Travellers seeking maximum savings on their Serbia to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Serbia to London Heathrow Airport?

The cheapest flight price from Serbia to London Heathrow Airport is £41. On average you can expect to pay £258. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £127.

What is the cheapest day to fly round-trip from Serbia to London Heathrow Airport?

Sunday flights are generally found to be more expensive for flights from Serbia to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

To save up to 195% on this flight, we recommend booking at least 44 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Serbia to London Heathrow Airport from £93 1-2 weeks out and tickets from £133 for flights departing within the next 72 hours.

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

Flights from Serbia to London Heathrow Airport lean towards being more expensive in March. Prices are generally better when you fly from Serbia to London Heathrow Airport in February, with the cheapest ticket starting at £15.

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

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

How can I find direct flights from Serbia to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Serbia 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.

£42+ Flights from Serbia to London Heathrow Airport

Cheap flight deals from Serbia to Heathrow

Round-trip from	£96
One-way from	£42
Popular in	March
Cheapest in	February
Average price	£100
Good round-trip deal	£139 or less
Good one-way deal	£121 or less

Air Serbia
21/7-17/8
Nonstop
5h 40m total
Serbia to London

Search Deals

Air Serbia
27/8
Nonstop
3h 00m total
Serbia to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£10 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Serbia to London Heathrow.

Search Deals

Price to beat on a one-way flight from Serbia to London Heathrow.

Search Deals

Find flight deals from Serbia to Heathrow

Cheapest flights from Serbia to Heathrow
Explore the most affordable flight options available from Serbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Fri 18/710:30BEG - LHR

Nonstop3h 00mAir Serbia

Sun 20/719:25LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 10/7£96

Fri 7/1113:55BEG - LHR

1 stop9h 05mLOT

Wed 12/1118:10LHR - BEG

1 stop21h 25mLOT

Deal found 10/7£152

Wed 6/817:10BEG - LHR

1 stop6h 30mLufthansa

Wed 20/810:50LHR - BEG

1 stop11h 25mLufthansa

Deal found 10/7£161

Thu 9/1010:30BEG - LHR

Nonstop3h 00mMultiple Airlines

Tue 14/1016:00LHR - BEG

1 stop8h 25mMultiple Airlines

Deal found 9/7£163

Mon 21/719:55BEG - LHR

1 stop13h 00mSWISS

Thu 14/820:05LHR - BEG

1 stop11h 30mSWISS

Deal found 9/7£185

Tue 2/907:00BEG - LHR

1 stop27h 00mAustrian Airlines

Tue 9/906:00LHR - BEG

1 stop16h 35mAustrian Airlines

Deal found 9/7£195

Sun 24/811:55INI - LHR

1 stop7h 45mMultiple Airlines

Sun 31/820:30LHR - INI

1 stop24h 50mMultiple Airlines

Deal found 10/7£395

Best flights from Serbia to Heathrow
Discover carefully curated flight deals from Serbia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Mon 21/710:30BEG - LHR

Nonstop3h 00mAir Serbia

Sun 17/819:25LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 9/7£96

Fri 7/1113:55BEG - LHR

1 stop9h 05mLOT

Wed 12/1118:10LHR - BEG

1 stop21h 25mLOT

Deal found 10/7£152

Wed 6/817:10BEG - LHR

1 stop6h 30mLufthansa

Wed 20/810:50LHR - BEG

1 stop11h 25mLufthansa

Deal found 10/7£161

Thu 9/1010:30BEG - LHR

Nonstop3h 00mMultiple Airlines

Tue 14/1016:00LHR - BEG

1 stop8h 25mMultiple Airlines

Deal found 9/7£163

Mon 21/719:55BEG - LHR

1 stop13h 00mSWISS

Thu 14/820:05LHR - BEG

1 stop11h 30mSWISS

Deal found 9/7£185

Tue 2/907:00BEG - LHR

1 stop27h 00mAustrian Airlines

Tue 9/906:00LHR - BEG

1 stop16h 35mAustrian Airlines

Deal found 9/7£195

Sun 24/811:55INI - LHR

1 stop7h 45mMultiple Airlines

Sun 31/820:30LHR - INI

1 stop24h 50mMultiple Airlines

Deal found 10/7£395

Last-minute flights from Serbia to Heathrow
Discover last-minute flight deals from Serbia to Heathrow. Data last updated 11 July 2025 and is based on user searches.

Thu 17/710:30BEG - LHR

Nonstop3h 00mMultiple Airlines

Sat 19/718:10LHR - BEG

1 stop18h 05mMultiple Airlines

Deal found 9/7£270

Fri 18/710:30BEG - LHR

Nonstop3h 00mAir Serbia

Sun 20/719:25LHR - BEG

Nonstop2h 40mAir Serbia

Deal found 10/7£96

Mon 21/713:00BEG - LHR

1 stop8h 45mLufthansa

Wed 13/806:55LHR - BEG

1 stop8h 30mLufthansa

Deal found 9/7£179

Mon 21/719:55BEG - LHR

1 stop13h 00mSWISS

Thu 14/820:05LHR - BEG

1 stop11h 30mSWISS

Deal found 9/7£185

Mon 21/717:15BEG - LHR

1 stop17h 05mLOT

Sat 16/810:15LHR - BEG

1 stop26h 05mLOT

Deal found 9/7£196

Mon 21/700:50BEG - LHR

1 stop10h 00mTurkish Airlines

Mon 28/722:25LHR - BEG

1 stop9h 05mTurkish Airlines

Deal found 9/7£527

Wed 6/817:10BEG - LHR

1 stop6h 30mLufthansa

Wed 20/810:50LHR - BEG

1 stop11h 25mLufthansa

Deal found 10/7£161

Wed 6/817:10BEG - LHR

1 stop6h 30mMultiple Airlines

Thu 21/820:05LHR - BEG

1 stop11h 30mMultiple Airlines

Deal found 9/7£166

Wed 6/817:20BEG - LHR

1 stop5h 40mLOT

Thu 21/806:30LHR - BEG

1 stop5h 50mLOT

Deal found 10/7£167

Sun 24/811:55INI - LHR

1 stop7h 45mMultiple Airlines

Sun 31/820:30LHR - INI

1 stop24h 50mMultiple Airlines

Deal found 10/7£395

One-way flights from Serbia to Heathrow
Search for one-way flight options from Serbia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 11 July 2025.

Wed 27/810:30BEG - LHR

Nonstop3h 00mAir Serbia

Deal found 10/7£42

Tue 9/912:50INI - LHR

1 stop19h 35mMultiple Airlines

Deal found 10/7£55

Tue 2/906:10BEG - LHR

1 stop26h 15mMultiple Airlines

Deal found 10/7£69

Thu 16/1012:35BEG - LHR

1 stop6h 00mKLM

Deal found 10/7£90

Tue 23/917:15BEG - LHR

1 stop5h 45mLOT

Deal found 10/7£109

Fri 25/714:45BEG - LHR

1 stop7h 25mAegean Airlines

Deal found 10/7£113

Sun 14/905:00INI - LHR

1 stop14h 40mAir Serbia

Deal found 10/7£155

Cheapflights Fare Finder

Use the filters below to find and compare flights from Serbia to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Mon 21/7

10:30-12:30

Nonstop3h 00m

London Heathrow

Sun 17/8

19:25-23:05

Nonstop2h 40m

£96

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 7/11

13:55-22:00

1 stop9h 05m

London Heathrow

Wed 12/11

18:10-16:35

1 stop21h 25m

£152

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 6/8

17:10-22:40

1 stop6h 30m

London Heathrow

Wed 20/8

10:50-23:15

1 stop11h 25m

£161

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 9/10

10:30-12:30

Nonstop3h 00m

London Heathrow

Tue 14/10

16:00-01:25

1 stop8h 25m

£163

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Mon 21/7

19:55-07:55

1 stop13h 00m

London Heathrow

Thu 14/8

20:05-08:35

1 stop11h 30m

£185

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Tue 2/9

07:00-09:00

1 stop27h 00m

London Heathrow

Tue 9/9

06:00-23:35

1 stop16h 35m

£195

NišLondon

INI - LHR

INILHR

Nis

Sun 24/8

11:55-18:40

1 stop7h 45m

London Heathrow

Sun 31/8

20:30-22:20

1 stop24h 50m

£395

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 27/8

10:30-12:30

Nonstop3h 00m

£42

NišLondon

INI - LHR

INILHR

Nis

Tue 9/9

12:50-07:25

1 stop19h 35m

£55

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Tue 2/9

06:10-07:25

1 stop26h 15m

£69

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 14 results

Best time to book a flight from Serbia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Serbia 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.

Cheapflights Insights

Everything you need to know about your flight from Serbia to London Heathrow Airport

What is the cheapest month to book a flight from Serbia to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £112). Flying from Serbia to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from RS to LHR?

It’s typically best to fly out from Serbia to London Heathrow Airport at midday. Doing so could potentially save you 3% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Serbia to London Heathrow Airport

The most flights from RS0 to LHR are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Aegean Airlines, KLM, andLOT from Serbia to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.2

Very Good

763 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,372 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

LOT

7.6

Good

1,096 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Austrian Airlines

7.6

Good

811 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

SWISS

7.5

Good

1,655 reviews

Aegean Airlines

8.2

Very Good

763 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from Serbia to London Heathrow Airport one-way?
£42 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on KLM and LOT, with prices starting from £90 and £109, respectively.
What are the cheapest flights from Serbia to London Heathrow Airport?
The cheapest flight price from Serbia to London Heathrow Airport is £41. On average you can expect to pay £258. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £127.
Can I find deals for flights from Serbia to Heathrow that include hotel bookings?
Yes. In addition to deals on Serbia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Serbia to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Serbia to Heathrow.
Can I find deals for business class flights from Serbia to Heathrow?
Yes. Cheapflights offers flight deals from Serbia 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.
What is the cheapest month to book a flight from Serbia to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £112). Flying from Serbia to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

See more FAQs

Hounslow

Croydon

Milton Keynes

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Hayes

Ipswich

Folkestone

Southend-on-Sea

Watford

Winchester

Swindon

Maidstone

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Serbia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Serbia	Cheapest£91	Average£204	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights

Fly with Cheapflights

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

When you search for this flight from Serbia to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Heathrow from Serbia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Serbia to Heathrow flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Serbia to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Serbia to London Heathrow Airport from £42

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Serbia to Heathrow

Keep the following information in mind while searching for Serbia to Heathrow flight deals. Data was last updated 11 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Serbia to Heathrow

Cheapest flights from Serbia to HeathrowExplore the most affordable flight options available from Serbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Serbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Serbia to London Heathrow Airport that are best for you.

Best time to book a flight from Serbia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Serbia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Serbia to London Heathrow Airport

What is the cheapest month to book a flight from Serbia to London Heathrow Airport?

What is the cheapest time of day to fly from RS to LHR?

Find hourly flight availability from Serbia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Weekly flight availability from Serbia to London Heathrow Airport

Explore weekly flight availability from Serbia to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Aegean Airlines, KLM, andLOT from Serbia to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Serbia to London Heathrow Airport one-way?

What are the cheapest flights from Serbia to London Heathrow Airport?

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

How can I find direct flights from Serbia to Heathrow?

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

What is the cheapest month to book a flight from Serbia to London Heathrow Airport?

Travelling to a place near Serbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Serbia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Serbia to Heathrow

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 Serbia to Heathrow?

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

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

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

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Cheapest flights from Serbia to Heathrow
Explore the most affordable flight options available from Serbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.