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Cheap flights from Serbia to London Heathrow Airport from £61

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — LHR
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 May 2026.

Mon 25/518:50
BEG
-
LHR
1 stop15h 20m
Multiple Airlines
Sun 31/509:55
LHR
-
BEG
1 stop14h 05m
Multiple Airlines
Deal found 26/4£148
Wed 27/517:15
BEG
-
LHR
1 stop5h 45m
LOT
Mon 8/606:30
LHR
-
BEG
1 stop9h 05m
LOT
Deal found 29/4£150
Wed 18/1106:00
BEG
-
LHR
1 stop12h 00m
KLM
Sat 21/1106:30
LHR
-
BEG
1 stop4h 25m
KLM
Deal found 26/4£159
Fri 10/714:00
BEG
-
LHR
1 stop9h 00m
LOT
Thu 16/706:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 27/4£160
Sat 11/714:00
BEG
-
LHR
1 stop9h 00m
LOT
Thu 16/706:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 27/4£162
Tue 26/518:50
BEG
-
LHR
1 stop15h 20m
Multiple Airlines
Tue 2/608:45
LHR
-
BEG
1 stop7h 25m
Multiple Airlines
Deal found 28/4£168
Thu 4/614:00
BEG
-
LHR
1 stop9h 00m
LOT
Mon 8/606:30
LHR
-
BEG
1 stop5h 50m
LOT
Deal found 30/4£175
Fri 22/514:00
BEG
-
LHR
1 stop20h 20m
LOT
Tue 26/518:10
LHR
-
BEG
1 stop21h 25m
LOT
Deal found 26/4£180
Sat 9/514:00
BEG
-
LHR
1 stop9h 00m
LOT
Tue 26/518:10
LHR
-
BEG
1 stop21h 25m
LOT
Deal found 30/4£182
Fri 12/613:05
BEG
-
LHR
1 stop6h 20m
Lufthansa
Fri 19/606:55
LHR
-
BEG
1 stop8h 30m
Lufthansa
Deal found 28/4£186
Thu 21/510:25
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Mon 1/613:30
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Deal found 26/4£187
Sun 14/605:00
INI
-
LHR
1 stop8h 30m
Multiple Airlines
Sun 21/620:30
LHR
-
INI
1 stop11h 30m
Multiple Airlines
Deal found 30/4£232

Find flight deals from Serbia to Heathrow

Keep the following information in mind while searching for Serbia to Heathrow flight deals. Data was last updated 1 May 2026.

Round-trip from

£148

One-way from

£61

Popular in

September

Cheapest in

June

Average price

£101

Good one-way deal

£95 or less
25/5-31/5
  • 25/5-31/5
  • 2 total stops
  • 29h 25m total
  • Serbia to London
Search Deals
19/5
  • 19/5
  • 1 total stop
  • 15h 20m total
  • Serbia to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 1 May 2026.
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

Cheapest return flight

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 4/6

14:00-22:00

1 stop9h 00m

London Heathrow

Mon 8/6

06:30-13:20

1 stop5h 50m

£175

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 4/6

14:00-22:00

1 stop9h 00m

London Heathrow

Sun 7/6

06:30-13:20

1 stop5h 50m

£175
Fastest return journey

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 11/6

10:25-12:30

Nonstop3h 05m

London Heathrow

Thu 18/6

13:30-17:15

Nonstop2h 45m

£221

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 4/6

10:25-12:30

Nonstop3h 05m

London Heathrow

Sun 7/6

13:30-17:15

Nonstop2h 45m

£228

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 4/6

09:15-21:30

2 stops13h 15m

London Heathrow

Sun 7/6

06:00-13:55

1 stop6h 55m

£228

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Wed 10/6

09:15-21:30

2 stops13h 15m

London Heathrow

Wed 17/6

20:05-08:30

1 stop11h 25m

£229

NišLondon

INI - LHR

INILHR

Nis

Sun 14/6

05:00-12:30

1 stop8h 30m

London Heathrow

Sun 21/6

20:30-09:00

1 stop11h 30m

£232

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Fri 12/6

20:00-08:15

2 stops13h 15m

London Heathrow

Fri 19/6

20:05-08:30

1 stop11h 25m

£251

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Thu 13/8

10:25-12:30

Nonstop3h 05m

London Heathrow

Wed 19/8

13:30-17:15

Nonstop2h 45m

£262

BelgradeLondon

BEG - LHR

BEGLHR

Belgrade Nikola Tesla

Sun 21/6

06:15-10:45

1 stop5h 30m

London Heathrow

Tue 23/6

09:55-22:55

1 stop12h 00m

£265

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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, August is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £39). Flying from Serbia to London Heathrow Airport in March is currently the most expensive (average of £296). 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 1 May 2026.

When flying from Serbia 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.

How often are flights from Serbia to London delayed?

About 16% of weekly flights between Serbia and London have experienced delays in the past year, with the average delay time being 119 minutes.

What is the most punctual flight time for Serbia to London 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.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Serbia to London flights?

Over the past year, Air Serbia have had the lowest number of delays on this route, with just 16% 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 1 May 2026.
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
221 reviews
Check prices

Comfort

6.4

Entertainment

5.5

Crew

7.2

Food

5.7

Boarding

6.2

Overall

6.2

Reviews

1 / 15
2.0
Mediocre

Anonymous,Dec 2025

SOF - BEG

Air serba has to clean their toilets ! The dirtiest toilets ever !!!!
Air Serbia
6.2
Okay
221 reviews
Air Serbia
6.2
Okay
221 reviews
Check prices

Comfort

6.4

Entertainment

5.5

Crew

7.2

Food

5.7

Boarding

6.2

Overall

6.2

Reviews

1 / 15
2.0
Mediocre

Anonymous,Dec 2025

SOF - BEG

Air serba has to clean their toilets ! The dirtiest toilets ever !!!!

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 (97%), Air Serbia (97%) or airBaltic (96%) 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 £90. On average you can expect to pay £109. The most popular route, (Belgrade Nikola Tesla - London Heathrow), can usually be booked for £150.

  • 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, August is the cheapest month in which you can book a flight from Serbia to London Heathrow Airport (average of £39). Flying from Serbia to London Heathrow Airport in March is currently the most expensive (average of £296). 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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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Madrid to Luton flights
Vienna to London City flights
Frankfurt-Hahn to Luton flights
Madrid to Southend flights
Frankfurt to Stansted flights
Malpensa to Gatwick flights
Lyon to Stansted flights
Duesseldorf Intl to London City flights
Malpensa to Luton flights
Leonardo da Vinci/Fiumicino to Gatwick flights
Barcelona-El Prat to Stansted flights
Frankfurt-Hahn to Stansted flights
Bruxelles-National to Gatwick flights
Bruxelles-National to Stansted flights
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Dublin to Gatwick 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 1 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£42Average£171FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights

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?

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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