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Cheap flights from Serbia to London Heathrow Airport from £64

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — LHR
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Serbia to Heathrow

Enter your travel dates to find the best prices.

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 21 November 2025.

Sat 20/1217:15BEG - LHR
1 stop25h 05mLOT
Thu 8/118:20LHR - BEG
1 stop17h 55mLOT
Deal found 19/11£153
Thu 25/1217:10BEG - LHR
1 stop5h 50mLOT
Sun 4/106:30LHR - BEG
1 stop5h 45mLOT
Deal found 20/11£155
Thu 18/1217:10BEG - LHR
1 stop17h 25mLOT
Tue 30/1206:30LHR - BEG
1 stop9h 05mLOT
Deal found 20/11£156
Thu 4/1217:50BEG - LHR
1 stop6h 05mLufthansa
Sun 7/1207:40LHR - BEG
1 stop4h 05mLufthansa
Deal found 19/11£161
Sat 27/1217:15BEG - LHR
1 stop17h 20mLOT
Sat 3/110:35LHR - BEG
1 stop25h 40mLOT
Deal found 19/11£169
Thu 25/1210:15BEG - LHR
Nonstop3h 05mAir Serbia
Mon 5/113:20LHR - BEG
Nonstop2h 45mAir Serbia
Deal found 20/11£178
Wed 26/1117:15BEG - LHR
1 stop5h 45mLOT
Sat 29/1118:20LHR - BEG
1 stop17h 55mLOT
Deal found 19/11£180
Fri 26/1213:55BEG - LHR
1 stop9h 05mLOT
Sat 3/110:35LHR - BEG
1 stop25h 40mLOT
Deal found 19/11£181
Mon 24/1117:15BEG - LHR
1 stop17h 20mLOT
Fri 28/1106:30LHR - BEG
1 stop5h 45mLOT
Deal found 19/11£186
Sat 20/1210:15BEG - LHR
Nonstop3h 05mAir Serbia
Thu 8/113:20LHR - BEG
Nonstop2h 45mAir Serbia
Deal found 20/11£187
Fri 19/1207:35INI - LHR
2 stops12h 45mMultiple Airlines
Fri 26/1208:50LHR - INI
3 stops15h 35mMultiple Airlines
Deal found 20/11£556

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 21 November 2025.

Round-trip from

£133

One-way from

£64

Popular in

September

Cheapest in

February

Average price

£118

Good round-trip deal

£161 or less

Good one-way deal

£86 or less
Air Serbia
  • Air Serbia
  • 2/3-11/3
  • Nonstop
  • 5h 50m total
  • Serbia to London
Search Deals
17/12
  • 17/12
  • 1 total stop
  • 15h 45m total
  • Serbia to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Serbia 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 858,174 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Serbia to London Heathrow Airport that are best for you.

Fly from

Serbia

Fly to

Heathrow

Route

Depart

Return

Price

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sun 18/1

10:15-12:20

Nonstop3h 05m

London Heathrow

Thu 22/1

13:20-17:05

Nonstop2h 45m

£147

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 25/2

17:15-17:20

1 stop25h 05m

London Heathrow

Tue 3/3

10:25-13:15

1 stop25h 50m

£151

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sat 20/12

17:15-17:20

1 stop25h 05m

London Heathrow

Thu 8/1

18:20-13:15

1 stop17h 55m

£153

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 4/12

17:50-22:55

1 stop6h 05m

London Heathrow

Sun 7/12

07:40-12:45

1 stop4h 05m

£161

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sun 18/1

11:10-21:40

1 stop11h 30m

London Heathrow

Thu 22/1

06:00-23:30

1 stop16h 30m

£169

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 25/12

10:15-12:20

Nonstop3h 05m

London Heathrow

Mon 5/1

13:20-17:05

Nonstop2h 45m

£178

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 25/12

13:55-22:00

1 stop9h 05m

London Heathrow

Sat 3/1

10:35-16:35

1 stop5h 00m

£178

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sat 20/12

10:15-12:20

Nonstop3h 05m

London Heathrow

Thu 8/1

13:20-17:05

Nonstop2h 45m

£187

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 11/2

10:15-12:20

Nonstop3h 05m

London Heathrow

Sun 15/2

10:35-13:15

1 stop25h 40m

£193

NišLondon

INI - LHR

INILHR

Nis

Fri 19/12

07:35-19:20

2 stops12h 45m

London Heathrow

Fri 26/12

08:50-01:25

3 stops15h 35m

£556

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 31 results
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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, July is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £44). Flying from Serbia to London Heathrow Airport in April is currently the most expensive (average of £344). 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?

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 21 November 2025.

It’s typically best to fly out from Serbia to London Heathrow Airport in the morning. Doing so could potentially save you 79% on the flight price compared to flying at midday, which is usually more expensive.

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 21 November 2025.

The most flights from RS0 to LHR are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 23% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 116 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 21% of flights being delayed.

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 21 November 2025.
Read reviews from past customers who have flown with Air Serbia 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.
Air Serbia
6.2
Okay
207 reviews
Check prices

Boarding

6.2

Food

5.7

Entertainment

5.5

Overall

6.2

Comfort

6.4

Crew

7.2

Reviews

1 / 14
4.0
Okay

Anonymous,Sept 2023

LJU - BEG

4 hour delay No comfortable seats to sit on Sandwich,chips and water given at midnight
Air Serbia
6.2
Okay
207 reviews
Air Serbia
6.2
Okay
207 reviews
Check prices

Boarding

6.2

Food

5.7

Entertainment

5.5

Overall

6.2

Comfort

6.4

Crew

7.2

Reviews

1 / 14
4.0
Okay

Anonymous,Sept 2023

LJU - BEG

4 hour delay No comfortable seats to sit on Sandwich,chips and water given at midnight

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.

  • How long is the flight from Serbia to London Heathrow Airport?

    Departing from Serbia to London Heathrow Airport will take you 3h 05m. The distance from Serbia to London Heathrow Airport is about 1056 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Serbia to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Serbia to London Heathrow Airport consider choosing JetBlue (85%), Air Serbia (72%) or Bulgaria Air (60%) as they are the most reliable in getting you off to your destination on time.

  • 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 £178. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £161.

  • 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, July is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £44). Flying from Serbia to London Heathrow Airport in April is currently the most expensive (average of £344). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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Alternative routes for Serbia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Duesseldorf Intl to Gatwick flights
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Barcelona-El Prat to Luton flights
Duesseldorf Intl to Luton flights
Barcelona-El Prat to Stansted flights
Frankfurt to London City flights
Barcelona-El Prat to London City flights
Duesseldorf Intl to Stansted flights
Nantes to Gatwick flights
Charles de Gaulle to Southend flights
Marseille to Gatwick flights
Nantes to Heathrow flights
Marseille to Stansted flights
Lyon to Luton flights
Vienna to London City flights
Amsterdam to Stansted flights
Madrid to Southend flights
Beauvais-Tille to Gatwick flights
Lyon to London City flights
Lyon to Stansted flights
Amsterdam to Gatwick flights
Amsterdam to Luton flights
Marseille to Heathrow flights
Nantes to Stansted flights
Marseille to London City flights
Nantes to London City flights
Cologne to Heathrow flights

Top airline flying from Serbia to Heathrow

Discover the top airline that operate flights from Serbia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£95Average£187FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights

Fly with Cheapflights

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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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