LHR - ZYL

$584 Find Cheap Flights from London to Sylhet - Compare and Save

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Everything you should know

Cheapest round-trip
$997
Typical prices: $1,073-$1,447
Multiple Airlines
Mon 3/12Tue 4/3
LHR - ZYL • 2 stops
Cheapest non-stop
$1,331
Typical prices: $1,097-$1,461
Biman Bangladesh
Mon 2/5Sat 2/17
LHR - ZYL • Non-stop
Nonstop flights
You can fly direct with Biman Bangladesh. Average duration is 9h 40m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 73% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 8% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $1,256 (round-trip)
Shortest trip • 20h (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from London to Sylhet (LHR-ZYL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Sylhet

Fri, Mar 12 - Sat, Apr 3
Multiple Airlines Logo
1:55 pm - 11:45 amLHR  London Heathrow-ZYL Sylhet Osmani Intl
39h 50m2 stops Abu Dhabi Zayed Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
4:25 pm - 3:05 pmZYL  Sylhet Osmani Intl-LHR London Heathrow
27h 40m2 stops Dhaka Hazrat Shahjalal Intl Abu Dhabi Zayed Intl
$997Multiple Airlines
Wed, Mar 3 - Sat, Mar 27
Multiple Airlines Logo
1:30 pm - 3:55 pmLHR  London Heathrow-ZYL Sylhet Osmani Intl
20h 25m2 stops Mumbai Chhatrapati Shivaji Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
8:40 am - 9:15 amZYL  Sylhet Osmani Intl-LHR London Heathrow
30h 35m2 stops Dhaka Hazrat Shahjalal Intl Mumbai Chhatrapati Shivaji Intl
$1,000Multiple Airlines
Sat, Mar 6 - Sat, Mar 27
Multiple Airlines Logo
1:00 pm - 11:45 amLHR  London Heathrow-ZYL Sylhet Osmani Intl
40h 45m2 stops New Delhi Indira Gandhi Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
8:40 am - 9:15 amZYL  Sylhet Osmani Intl-LHR London Heathrow
30h 35m2 stops Dhaka Hazrat Shahjalal Intl Mumbai Chhatrapati Shivaji Intl
$1,000Multiple Airlines
Sat, Mar 6 - Sat, Mar 27
Multiple Airlines Logo
10:00 pm - 11:45 amLHR  London Heathrow-ZYL Sylhet Osmani Intl
55h 45m2 stops New Delhi Indira Gandhi Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
8:40 am - 9:15 amZYL  Sylhet Osmani Intl-LHR London Heathrow
30h 35m2 stops Dhaka Hazrat Shahjalal Intl Mumbai Chhatrapati Shivaji Intl
$1,000Multiple Airlines
Fri, Mar 12 - Wed, Mar 24
Multiple Airlines Logo
10:00 pm - 11:45 amLHR  London Heathrow-ZYL Sylhet Osmani Intl
55h 45m2 stops New Delhi Indira Gandhi Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
12:50 pm - 11:30 amZYL  Sylhet Osmani Intl-LHR London Heathrow
28h 40m2 stops Dhaka Hazrat Shahjalal Intl New Delhi Indira Gandhi Intl
$1,000Multiple Airlines
Thu, Jan 7 - Sat, Jan 23
Multiple Airlines Logo
8:30 pm - 3:55 pmLHR  London Heathrow-ZYL Sylhet Osmani Intl
37h 25m2 stops Mumbai Chhatrapati Shivaji Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
8:40 am - 11:05 amZYL  Sylhet Osmani Intl-LHR London Heathrow
32h 25m2 stops Dhaka Hazrat Shahjalal Intl Mumbai Chhatrapati Shivaji Intl
$1,000Multiple Airlines
Fri, Mar 12 - Wed, Mar 24
Multiple Airlines Logo
8:45 am - 9:35 pmLHR  London Heathrow-ZYL Sylhet Osmani Intl
30h 50m2 stops New Delhi Indira Gandhi Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
12:50 pm - 7:20 pmZYL  Sylhet Osmani Intl-LHR London Heathrow
36h 30m2 stops Dhaka Hazrat Shahjalal Intl New Delhi Indira Gandhi Intl
$1,000Multiple Airlines
Mon, Mar 8 - Mon, Mar 22
Multiple Airlines Logo
1:30 pm - 3:55 pmLHR  London Heathrow-ZYL Sylhet Osmani Intl
20h 25m2 stops Mumbai Chhatrapati Shivaji Intl Dhaka Hazrat Shahjalal Intl
Multiple Airlines Logo
10:00 pm - 11:30 amZYL  Sylhet Osmani Intl-LHR London Heathrow
43h 30m2 stops Dhaka Hazrat Shahjalal Intl New Delhi Indira Gandhi Intl
$1,002Multiple Airlines
Fri, Feb 5 - Wed, Feb 17
Biman Bangladesh Logo
6:15 pm - 9:55 amLHR  London Heathrow-ZYL Sylhet Osmani Intl
9h 40mnonstop
Biman Bangladesh Logo
9:05 pm - 5:00 pmZYL  Sylhet Osmani Intl-LHR London Heathrow
25h 55m1 stop Dhaka Hazrat Shahjalal Intl
$1,226Biman Bangladesh
Fri, Feb 5 - Wed, Feb 17
Biman Bangladesh Logo
6:15 pm - 9:55 amLHR  London Heathrow-ZYL Sylhet Osmani Intl
9h 40mnonstop
Biman Bangladesh Logo
10:25 am - 4:05 pmZYL  Sylhet Osmani Intl-LHR London Heathrow
11h 40mnonstop
$1,331Biman Bangladesh
Booking Insights

Price, demand and travel trends for London Heathrow Airport to Sylhet flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from London Heathrow Airport to Sylhet?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from London Heathrow Airport to Sylhet. It’s 9% cheaper than the average day, while Friday is the most expensive, with prices 2% higher.

What’s the cheapest month to fly from London Heathrow Airport to Sylhet?

•September is the cheapest month to fly from London Heathrow Airport to Sylhet at $1,045 round-trip.
•December ($1,776) and July ($1,478) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 69% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London Heathrow Airport to Sylhet the cheapest?

Flights from London Heathrow Airport to Sylhet are cheapest 26 weeks before departure. Booking in this window typically costs about 8% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for London Heathrow Airport to Sylhet flights

Low season

September

Cheapest flight

$584
Beat the crowds with an average 14% drop in travelers.
The most popular month to fly with an average 20% increase in travelers.
One-way flight from London Heathrow Airport to Sylhet

When to book flights from London to Sylhet

Are your dates flexible? Find out the best times to travel from London to Sylhet based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London Heathrow Airport to Sylhet flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from London Heathrow Airport to Sylhet?

    These are the earliest and latest flight times available from London Heathrow Airport to Sylhet:

    • Earliest: departs at 6:15 pm and lands at 3:55 am
    • Latest: departs at 6:15 pm and lands at 3:55 am.

    The flight takes about 9h 40m.

  • What cabin classes can I book on flights from London Heathrow Airport to Sylhet?

    Three cabin classes are available on flights from London Heathrow Airport to Sylhet:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from London Heathrow Airport to Sylhet?

    A nonstop flight from London Heathrow Airport to Sylhet takes 9h 40m, covering 4,979 miles.

  • Do I need a passport to fly from London Heathrow Airport to Sylhet?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London Heathrow Airport to Sylhet flight?

    Round-trip flights from London Heathrow Airport to Sylhet range from $1,073 to $1,447, with an average of $1,218 over the past 12 months. Anything below $1,073 counts as a good deal.

  • How expensive are last-minute London Heathrow Airport to Sylhet flights?

    Last-minute fares on this route (booked within two weeks of departure) run 2% above the $1,218 route average. Book 26 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from London Heathrow Airport to Sylhet?

    On this route, nonstop and layover fares are close on average, with nonstop at $1,239 round-trip and layover options via Muscat Seeb (MCT) at $1,256.

  • How does on-time performance compare across airlines flying from London Heathrow Airport to Sylhet?

    Biman Bangladesh is the only airline operating London Heathrow Airport to Sylhet flights. 73% of its flights are on time.

  • Which aircraft model is used most often on flights from London Heathrow Airport to Sylhet?

    The Boeing 787-8 Dreamliner family is used most often on this route, operated mainly by Biman Bangladesh and Lufthansa. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

  • How are flight departures from London Heathrow Airport to Sylhet spread across the day?

    Evening is the busiest departure period on London Heathrow Airport to Sylhet flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • Have flight prices from London Heathrow Airport to Sylhet changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $997 to $8,410. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from London Heathrow Airport to Sylhet looking right now?

    One-way fares from London Heathrow Airport to Sylhet are currently higher than usual. Average one-way flight prices are about $900, which is 15% above the typical average for this route.

  • Which airports can I use when flying from London Heathrow Airport to Sylhet?

    Flights from London Heathrow Airport to Sylhet usually depart from London Heathrow (LHR) and arrive at Sylhet Osmani Intl (ZYL).

  • What time of day has the fewest delays on flights from London Heathrow Airport to Sylhet?

    Evening flights have the fewest delays on this route, while night departures tend to have the most.

  • At what point is a flight considered delayed from London Heathrow Airport to Sylhet?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to Sylhet route, 27% of flights were delayed in the past 3 months, with delays averaging 3h 17m.

  • Which airports do connecting flights from London Heathrow Airport to Sylhet pass through?

    One-stop flights from London Heathrow Airport to Sylhet most commonly connect through:

    • Dhaka Hazrat Shahjalal Intl (DAC) - 89% of one-stop connections
    • Muscat Seeb (MCT) - 8% of one-stop connections
    • Dubai Intl (DXB) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Sylhet?

    Yes. Flexible dates can save you up to 11% on flights from London Heathrow Airport to Sylhet. Tuesday is the cheapest departure day at $1,115 round-trip on average, while Friday is the most expensive at $1,252, a difference of $137.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from London Heathrow Airport to Sylhet?

    Only Biman Bangladesh operates flights between London Heathrow Airport and Sylhet.

  • How much time can I save by choosing a different layover airport from London Heathrow Airport to Sylhet?

    Flying via Muscat Seeb (MCT) gives the shortest average 1-stop total travel time at 16h 55m, compared with 20h via Dhaka Hazrat Shahjalal Intl (DAC) and 21h 42m via Dubai Intl (DXB).

  • What is the time difference between London Heathrow Airport and Sylhet?

    Sylhet is 6 hours ahead of London Heathrow Airport (Bangladesh Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines include bags at no extra cost on London Heathrow Airport to Sylhet flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Biman Bangladesh: a cabin bag and a checked bag in Economy Class
    • Lufthansa: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Is there a car hire centre at Sylhet Osmani Airport?

    No, there is no dedicated car hire centre at Sylhet Osmani Airport, but you can still arrange to meet with local hire-car operators; some of these may provide shuttle bus transfers to their offsite offices, or you can just make an advanced reservation online.

  • Does Sylhet Osmani Airport have an airport hotel?

    No, there are no onsite hotels at Sylhet Osmani Airport. That said, there are a good few within a 5-mile radius of the airport; Saanha Windtrip, Britannia Hotel and Novem Inn and Holidays are three such accommodations you can consider.

  • Can I exchange currency at Sylhet Osmani Airport?

    There are no banks with offices at Sylhet Osmani Airport. If you need cash to pay for a taxi or public transportation, it makes more sense to use the ATM for some quick cash and save any larger transactions for a currency exchange or bank counter.

  • What are a few neighbouring areas around Sylhet Osmani Airport?

    Sylhet Osmani Airport is the principal gateway to the region of north-eastern Bangladesh. From here, Sunamganj, Karimganj and Moulvibazar are three inter-province districts surrounding Sylhet, but its geography means that neighbouring provinces like Meghalaya, Manipur and Assam are also within reach.

Your guide to booking London Heathrow Airport to Sylhet flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $1,115, about $137 less than Friday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 8% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Sylhet trip for September. Fares historically average $1,045 round-trip in that month - typically $731 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sylhet Osmani Intl Airport.

    • Hillside Holiday Home
  • The metropolitan city of Sylhet is situated in north-eastern Bangladesh, and Sylhet Osmani International Airport (ZYL) is the gateway to the region. Biman Bangladesh Airlines uses Sylhet Osmani Airport as a hub of operations and offers uninterrupted flight service from London Heathrow Airport (LHR) to the city. Turkish Airlines and Etihad are other air carriers using this route.
  • It’s going to be a long flight with two stopovers involved. An airport lounge offers a great opportunity to enjoy some complimentary food and beverages amid a relaxed, comfortable setting. You can find Club Aspire Lounge at Gate 18, Level 2, Terminal 5 and Plaza Premium Lounge at Gate A16, Level 4, Terminal 2 of Heathrow Airport. As an alternative, try a massage or beauty treatment at Be Relax Spa and Lounge, which has two locations after security at Terminal 5: Gates A18 and B32 on Level 2.
  • Public transport isn’t your best option when packing heavy, but it may still be more convenient than driving or using airport parking at London Heathrow. Heathrow Express trains run directly from London Paddington station every 15min and reach the airport in less than 20min. Express anytime return tickets cost about £37 and anytime one-way tickets go for approx. £25.
  • If you’re not in the mood for long security queues, pre-book the exclusive security service FastTrack and dispense with wait times once you arrive at London Heathrow Airport. Book yours using the London Heathrow app to take advantage of any discounts or other specials offered by airport retailers. At the very least, you’ll have access to live flight data at your fingertips.
  • Be advised that London Heathrow Airport is, as are all others in the London metro area, a smoke-free environment. London Heathrow has designated areas outside of the terminal building where smoking is allowed. You should know that electronic or e-cigarettes are also prohibited from use at London Heathrow Airport or aboard any of its flights.

Prefer to fly direct from London to Sylhet?

 
Find which airlines fly direct from London Heathrow Airport to Sylhet Osmani Intl Airport, which days they fly and book direct flights.

Direct departures

London Heathrow to Sylhet Osmani Intl

Wednesday

Biman Bangladesh

Biman Bangladesh

Friday

Biman Bangladesh

Biman Bangladesh

Saturday

Biman Bangladesh

Biman Bangladesh

Sunday

Biman Bangladesh

Biman Bangladesh

See more direct flights

Direct returns

Sylhet Osmani Intl to London Heathrow

Wednesday

Biman Bangladesh

Biman Bangladesh

Friday

Biman Bangladesh

Biman Bangladesh

Saturday

Biman Bangladesh

Biman Bangladesh

Sunday

Biman Bangladesh

Biman Bangladesh

See more direct flights

More options for your flight from London to Sylhet

Complete your trip to Sylhet with a hotel stay or car rental