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Cheap flights from London Heathrow Airport to Serbia from £87

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BEG
7 Aug — 14 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Serbia

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Serbia
Explore the most affordable flight options available from Heathrow to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2026.

Sat 3/1019:55
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Sat 17/1017:00
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 7/7£163
Thu 5/1106:30
LHR
-
BEG
1 stop4h 25m
KLM
Sun 8/1106:05
BEG
-
LHR
1 stop7h 00m
KLM
Deal found 5/7£165
Fri 18/1211:45
LHR
-
BEG
1 stop10h 40m
KLM
Wed 23/1212:35
BEG
-
LHR
1 stop7h 40m
KLM
Deal found 3/7£166
Tue 15/909:55
LHR
-
BEG
1 stop12h 00m
KLM
Fri 18/906:15
BEG
-
LHR
1 stop12h 20m
KLM
Deal found 3/7£174
Fri 4/920:55
LHR
-
BEG
1 stop25h 00m
KLM
Tue 8/912:35
BEG
-
LHR
1 stop4h 40m
KLM
Deal found 3/7£175
Mon 5/1013:30
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Sat 24/1017:00
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 7/7£176
Mon 9/1106:30
LHR
-
BEG
1 stop4h 25m
KLM
Tue 10/1112:35
BEG
-
LHR
1 stop9h 15m
KLM
Deal found 5/7£177
Fri 9/1013:30
LHR
-
BEG
Nonstop2h 45m
Air Serbia
Sun 11/1016:35
BEG
-
LHR
Nonstop3h 05m
Air Serbia
Deal found 7/7£178
Wed 19/806:30
LHR
-
BEG
2 stops17h 15m
Multiple Airlines
Wed 26/819:05
BEG
-
LHR
2 stops14h 55m
Multiple Airlines
Deal found 3/7£179
Mon 12/1018:10
LHR
-
BEG
1 stop18h 10m
LOT
Sat 17/1017:15
BEG
-
LHR
1 stop5h 45m
LOT
Deal found 5/7£181
Wed 7/1014:45
LHR
-
BEG
1 stop7h 10m
KLM
Wed 21/1012:35
BEG
-
LHR
1 stop7h 50m
KLM
Deal found 7/7£182
Sat 24/1018:10
LHR
-
BEG
1 stop19h 05m
LOT
Sat 31/1017:15
BEG
-
LHR
1 stop17h 20m
LOT
Deal found 6/7£183

Find flight deals from Heathrow to Serbia

Keep the following information in mind while searching for Heathrow to Serbia flight deals. Data was last updated 8 July 2026.

Round-trip from

£163

One-way from

£87

Popular in

December

Cheapest in

October

Average price

£93

Good round-trip deal

£213 or less

Good one-way deal

£126 or less
Air Serbia
  • Air Serbia
  • 3/10-17/10
  • Nonstop
  • 5h 50m total
  • London to Serbia
Search Deals
28/8
  • 28/8
  • 1 total stop
  • 26h 05m total
  • London to Serbia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Serbia.
Search Deals
Price to beat on a one-way flight from London Heathrow to Serbia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Serbia 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 8 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNiš

LHR - INI

LHRINI

London Heathrow

Fri 14/8

06:00-13:40

1 stop6h 40m

Nis

Fri 21/8

14:50-19:20

1 stop5h 30m

£197

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 14/10

09:55-22:55

1 stop12h 00m

Belgrade Nikola Tesla

Sun 1/11

06:05-10:45

1 stop5h 40m

£208

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 11/12

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Sun 13/12

10:15-12:25

Nonstop3h 10m

£209
Fastest return journey

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sat 5/9

19:55-23:40

Nonstop2h 45m

Belgrade Nikola Tesla

Mon 7/9

10:25-12:30

Nonstop3h 05m

£218

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 14/8

13:50-19:15

1 stop4h 25m

Belgrade Nikola Tesla

Sun 16/8

06:15-09:55

1 stop4h 40m

£232

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 20/8

08:55-19:15

2 stops9h 20m

Belgrade Nikola Tesla

Mon 24/8

20:00-07:55

1 stop12h 55m

£256

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 5/11

09:00-19:10

2 stops9h 10m

Belgrade Nikola Tesla

Sun 8/11

09:40-16:20

1 stop7h 40m

£261

LondonNiš

LHR - INI

LHRINI

London Heathrow

Tue 1/9

09:05-16:30

1 stop6h 25m

Nis

Tue 8/9

16:55-21:40

1 stop5h 45m

£270

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sat 26/12

13:20-17:05

Nonstop2h 45m

Belgrade Nikola Tesla

Sat 2/1

10:15-12:25

Nonstop3h 10m

£273

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 5/8

08:55-19:15

2 stops9h 20m

Belgrade Nikola Tesla

Wed 12/8

14:40-19:20

1 stop5h 40m

£292

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 25 resultsSorted by cheapest first
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2
3

Best time to book a flight from Heathrow to Serbia

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

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £42). Flying from London Heathrow Airport to Serbia in May is currently the most expensive (average of £130). 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 LHR to RS?

Find hourly flight availability from Heathrow to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2026.

It’s optimal to fly from London Heathrow Airport to Serbia in the morning. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the afternoon.

How often are flights from London to Serbia delayed?

About 25% of weekly flights between London and Serbia have experienced delays in the past year, with the average delay time being 120 minutes.

What is the most punctual flight time for London to Serbia flights?

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

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

Tuesday 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 London to Serbia flights?

Over the past year, airBaltic have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

The best time to book flights from London Heathrow Airport to Serbia is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. 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 Serbia. Reviews last updated 8 July 2026.
Get a feel of what it's like to fly with LOT,Lufthansa, andWizz Air from London Heathrow Airport to Serbia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,210 reviews
Check prices

Entertainment

6.9

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.5
Good
1,210 reviews
LOT
7.5
Good
1,210 reviews
Check prices

Entertainment

6.9

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Lufthansa
6.8
Okay
8,124 reviews
LOT
7.5
Good
1,210 reviews
Check prices

Entertainment

6.9

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Wizz Air
6.3
Okay
171 reviews
LOT
7.5
Good
1,210 reviews
Check prices

Entertainment

6.9

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Air Serbia
6.1
Okay
232 reviews
LOT
7.5
Good
1,210 reviews
Check prices

Entertainment

6.9

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Serbia. 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 London Heathrow Airport to Serbia?

    Airlines like SWISS, KLM, and Air Serbia fly from London Heathrow Airport to Serbia in about 2h 45m. The time it takes to get you to your destination can typically vary by up to 9h 15m. London Heathrow Airport and Serbia are separated by a distance of 1056 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    On average you can expect to pay £248 for a flight from London Heathrow Airport to Serbia. The cheapest flight overall is £114 while the most popular route, (London Heathrow - Belgrade Nikola Tesla) is currently priced at £165.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Serbia 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 London Heathrow Airport to Serbia?

    Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £42). Flying from London Heathrow Airport to Serbia in May is currently the most expensive (average of £130). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Heathrow to Serbia

Discover the top 4 airlines that operate flights from Heathrow to Serbia. 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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£52Average£144FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Air SerbiaCheapest£83Average£157FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
LufthansaCheapest£157Average£229FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£175Average£233FlexibilityNo cancel feeOn-time81%
Search LOT 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 Heathrow to Serbia?

Cheapflights helps you search for flights from Heathrow to Serbia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Serbia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Serbia 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 Serbia become cheaper?

Of course! You can now track prices for flights from Heathrow to Serbia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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