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Cheap flights from London Heathrow Airport to Serbia from £51

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
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Heathrow to Serbia

Keep the following information in mind while searching for Heathrow to Serbia flight deals. Data was last updated 26 August 2025.

Round-trip from

£122

One-way from

£51

Popular in

December

Cheapest in

July

Average price

£92

Good round-trip deal

£81 or less

Good one-way deal

£55 or less
Air Serbia
  • Air Serbia
  • 18/10-19/10
  • Nonstop
  • 5h 40m total
  • London to Serbia
Search Deals
Air Serbia
  • Air Serbia
  • 28/8
  • Nonstop
  • 2h 40m total
  • London to Serbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from London Heathrow to Serbia.
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Price to beat on a one-way flight from London Heathrow to Serbia.
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Find flight deals from Heathrow to Serbia

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 26 August 2025.

Sun 24/813:30LHR - BEG
Nonstop2h 40mAir Serbia
Sun 31/810:30BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 23/8£91
Wed 27/813:30LHR - BEG
Nonstop2h 40mAir Serbia
Sat 30/810:30BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£92
Fri 29/813:30LHR - BEG
Nonstop2h 40mAir Serbia
Sun 31/810:30BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£93
Sat 18/1019:55LHR - BEG
Nonstop2h 40mAir Serbia
Sun 19/1010:30BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£122
Wed 12/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Mon 17/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 23/8£127
Fri 21/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Mon 24/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£129
Sun 9/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Sat 15/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£139
Sun 9/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Tue 18/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£141
Sun 19/1019:25LHR - BEG
Nonstop2h 40mAir Serbia
Mon 20/1010:30BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£142
Mon 10/1106:35LHR - BEG
1 stop5h 10mLufthansa
Mon 17/1113:30BEG - LHR
1 stop6h 05mLufthansa
Deal found 25/8£148
Tue 11/1113:20LHR - BEG
Nonstop2h 40mAir Serbia
Fri 14/1110:20BEG - LHR
Nonstop3h 00mAir Serbia
Deal found 25/8£149

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 26 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Serbia that are best for you.

Fly from

Heathrow

Fly to

Serbia

Route

Depart

Return

Price

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 29/8

13:30-17:10

Nonstop2h 40m

Belgrade Nikola Tesla

Sun 31/8

10:30-12:30

Nonstop3h 00m

£93

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sat 30/8

13:30-17:10

Nonstop2h 40m

Belgrade Nikola Tesla

Sun 31/8

10:30-12:30

Nonstop3h 00m

£93

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sat 18/10

19:55-23:35

Nonstop2h 40m

Belgrade Nikola Tesla

Sun 19/10

10:30-12:30

Nonstop3h 00m

£122

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 12/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Mon 17/11

10:20-12:20

Nonstop3h 00m

£127

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Fri 21/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Mon 24/11

10:20-12:20

Nonstop3h 00m

£129

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Wed 12/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Sat 15/11

10:20-12:20

Nonstop3h 00m

£139

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 9/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Sat 15/11

10:20-12:20

Nonstop3h 00m

£139

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Mon 10/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Sat 15/11

10:20-12:20

Nonstop3h 00m

£139

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Thu 13/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Sat 15/11

10:20-12:20

Nonstop3h 00m

£139

LondonBelgrade

LHR - BEG

LHRBEG

London Heathrow

Sun 9/11

13:20-17:00

Nonstop2h 40m

Belgrade Nikola Tesla

Mon 17/11

10:20-12:20

Nonstop3h 00m

£141

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 19 results
1
2

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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £106). Flying from London Heathrow Airport to Serbia in November is currently the most expensive (average of £191). 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 26 August 2025.

It’s optimal to fly from London Heathrow Airport to Serbia at midday. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Serbia. Price data was last updated on 18 May 2025.

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

Weekly flight availability from London Heathrow Airport to Serbia

Explore weekly flight availability from Heathrow to Serbia. 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 26 August 2025.

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

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 26 August 2025.
Get a feel of what it's like to fly with KLM, LOT, andLufthansa 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.
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,387 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,111 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,359 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Serbia
6.3
Okay
198 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Wizz Air
6.0
Okay
149 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 Air Serbia fly from London Heathrow Airport to Serbia in about 2h 40m. The time it takes to get you to your destination is usually consistent. London Heathrow Airport and Serbia are separated by a distance of 1056 mi. Most flights are nonstop.

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

    On average you can expect to pay £80 for a flight from London Heathrow Airport to Serbia. The cheapest flight overall is £51 while the most popular route, (London Heathrow - Belgrade Nikola Tesla) is currently priced at £149.

  • 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Serbia (average of £106). Flying from London Heathrow Airport to Serbia in November is currently the most expensive (average of £191). 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

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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 5 airlines flying from Heathrow to Serbia

Discover the top 5 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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest£86Average£142FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Wizz AirCheapest£86Average£140FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
LOTCheapest£129Average£194FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£136Average£182FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£145Average£198FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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