The cheapest times to fly from ZYL to LHR are

  • November 19th to February 4th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ZYL to LHR is late January and early February. Prices can be as high as $4328 for Monday flights during early to mid March, or as low as $853 for Wednesday flights around late January and early February.


When to Fly to London

Flying from Sylhet (ZYL) to London (LHR) will usually cost between $853 to $4328 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $860. Due to high demand the most expensive time to fly is early to mid March, with an average price of $1962. Planning your trip to low-cost times can easily save you $1102 on economy flights and even more on first-class flights. Generally, any price below $907 can be considered a good price for a round-trip ZYL to LHR flight.

See below for a graph of average weekly prices for the ZYL to LHR route. All prices are for round-trip tickets in USD.

ZYL to LHR Flight Prices

Compared to other flights, the ZYL to LHR flight is priced close to the average and costs much less than the average flight leaving from Sylhet. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to LHR, and Tuesday the cheapest day to fly back into ZYL. Mondays are the most expensive days to fly to London, and Saturdays are the most expensive days to return to Sylhet. Selecting flights on the least expensive days could save you up to $918 (40%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $896. Return trip prices are from the LHR to ZYL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ZYL to LHR can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 9 hour 57 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from ZYL to LHR? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air India, Biman, British Airways, Cathay Pacific, Etihad, Gulf Air, Lufthansa, Saudia, SWISS, Turkish Airlines, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Savannakhet Airport?

The distance between the two airports is roughly 4982 miles or 8018 kilometers.

How long does it take to fly from ZYL to LHR?

The real-world flight time for a nonstop ZYL to LHR flight is about 9 hour 57 minutes.

How many flights go between Sylhet and London?

It depends on the day of the week and the date, but a typical day might have around 9 available flights from ZYL to LHR.


Airport Location Info


Departing Airport

Origination codeZYL
Origination airport nameSavannakhet Airport

Return Airport

Destination codeLHR
Destination airport nameLondon Heathrow Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.