Cheap flights from Southeast Europe to London from £46
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southeast Europe to London departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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British Airways flights from Southeast Europe to London Heathrow Airport
Our best British Airways deals on Southeast Europe to London Heathrow Airport flight tickets
Air Serbia flights from Southeast Europe to London Heathrow Airport
Our best Air Serbia deals on Southeast Europe to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Southeast Europe to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London Heathrow Airport?
In general, February is the cheapest month to fly from Southeast Europe to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £115. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Southeast Europe averaging around £143.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Southeast Europe is on a Monday. momondo users have found tickets for Monday departures for as low as £153. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £211.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Southeast Europe to London Heathrow Airport in the evening for as low as £132. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £211 on average. Flights to London Heathrow Airport from Southeast Europe in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Southeast Europe to London Heathrow flight route?
Fly from Belgrade Nikola Tesla to London Heathrow for the best Southeast Europe - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Southeast Europe when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £158 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Southeast Europe for as low as £122 on momondo.
What cabin class options are available on Southeast Europe to London Heathrow flights?
There are 3 cabin classes available to choose from on Southeast Europe to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Southeast Europe to London Heathrow?
British Airways, Air Serbia, and Croatia Airlines are the most popular carriers operating from Southeast Europe to London Heathrow
Which airlines fly to London Heathrow Airport?
British Airways, Aegean Airlines and Air Serbia are the top three most popular airlines that fly to London Heathrow Airport from Southeast Europe according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 7 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Southeast Europe to London Heathrow Airport on average per day?
The number of flights available between Southeast Europe and London Heathrow Airport is 21 per day as of May 2025. The most frequent departure time is 13:00, with 54% of daily flights leaving in the afternoon.
How many flights depart from Southeast Europe to London Heathrow Airport on average per week?
151 flights are operational weekly from Southeast Europe to London Heathrow Airport as of May 2025. The most popular departure day for this route is Fri, with 28% of flights per week taking off on this day.
Cheap Southeast Europe to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Southeast Europe to London Heathrow Airport
When did momondo last update prices for flights from Southeast Europe to London Heathrow Airport?
Prices for flights from Southeast Europe to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Southeast Europe to London Heathrow Airport?
As of May 2025, there are 7 operators available to choose from for flights from Southeast Europe to London Heathrow Airport.
How old do you have to be to fly from Southeast Europe to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southeast Europe to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Southeast Europe to London Heathrow Airport?
Based on momondo bookings for flights between Southeast Europe and London Heathrow Airport, the leading plane model is Boeing 777, making up 16.70% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 12.58%, Boeing 777-300ER with 8.92%, and Airbus A380-800 with 8.77%.
Best airlines flying from Southeast Europe to London Heathrow Airport
Compare and see reviews for airlines that fly from Southeast Europe to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £55 | Free Cancellation | Rating 6.8 1,054 reviews | |||
| PriceFrom £89 | Free Cancellation | Rating 7.9 57 reviews | |||
| PriceFrom £92 | Free Cancellation | Rating 6.6 6,923 reviews | |||
| PriceFrom £92 | Free Cancellation | Rating 6.3 195 reviews | |||
| PriceFrom £125 | Free Cancellation | Rating 7.6 1,071 reviews | |||
| PriceFrom £137 | Free Cancellation | Rating 8.1 748 reviews | |||
| PriceFrom £152 | Free Cancellation | Rating 6.7 7,089 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Southeast Europe to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Southeast Europe.
Can I find flights from Southeast Europe to London with flexible booking policies on momondo?
Flights from Southeast Europe to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Southeast Europe to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southeast Europe to London.
I’m not ready to book a flight from Southeast Europe to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Southeast Europe are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.