$453+ Cheap flights from Heathrow (LHR) to Sylhet (ZYL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZYL
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Sylhet with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London Heathrow to Sylhet Osmani Intl are usually found in September or February, booked 47 days in advance, depart on a Monday or Friday and return on a Monday
Cheap flight deals from Heathrow to Sylhet
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to SylhetExplore the most affordable flight options available from Heathrow to Sylhet. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Heathrow to Sylhet. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Trip.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:45 am -
2 stops28h 45m
Thu 11/1912:10 pm -
2 stops38h 20m
Deal found 9/28![Multiple Airlines logo]()
$960
This FlightHub deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:45 am -
2 stops30h 50m
Sun 12/1310:25 am -
2 stops38h 55m
Deal found 9/24![Multiple Airlines logo]()
$1,013
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:05 pm -
2 stops56h 40m
Wed 12/1612:10 pm -
2 stops38h 20m
Deal found 9/23![Multiple Airlines logo]()
$1,014
This Booking.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:00 am -
2 stops23h 45m
Wed 10/217:55 am -
2 stops36h 25m
Deal found 9/25![Multiple Airlines logo]()
$1,023
This Mytrip deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:45 pm -
3 stops25h 25m
Sun 1/241:00 pm -
3 stops29h 05m
Deal found 9/26![Multiple Airlines logo]()
$1,029
This Qatar Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:25 am -
2 stops30h 35m
Thu 10/2212:00 pm -
2 stops25h 00m
Deal found 9/25![Multiple Airlines logo]()
$1,046
This Gotogate deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:20 pm -
2 stops31h 35m
Sun 11/1510:25 pm -
2 stops46h 05m
Deal found 9/24![Multiple Airlines logo]()
$1,047
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:30 pm -
2 stops24h 05m
Wed 11/189:05 pm -
2 stops21h 10m
Deal found 9/24![Multiple Airlines logo]()
$1,050
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 am -
2 stops22h 25m
Thu 10/223:10 pm -
2 stops21h 50m
Deal found 9/24![Multiple Airlines logo]()
$1,051
This Booking.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:55 pm -
2 stops19h 00m
Mon 11/210:00 pm -
2 stops40h 00m
Deal found 9/26![Multiple Airlines logo]()
$1,052
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:20 pm -
Nonstop9h 45m
Wed 10/218:25 pm -
1 stop25h 40m
Deal found 9/25![Biman Bangladesh logo]()
$1,053
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:55 pm -
2 stops32h 50m
Sun 11/810:25 pm -
2 stops49h 45m
Deal found 9/23![Multiple Airlines logo]()
$1,054
Best flights from Heathrow to SylhetDiscover carefully curated flight deals from Heathrow to Sylhet that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Heathrow to Sylhet that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Booking.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/51:00 pm -
2 stops26h 35m
Wed 4/77:30 am -
2 stops33h 00m
Deal found 9/27![Multiple Airlines logo]()
$974
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:30 pm -
2 stops24h 05m
Wed 11/189:05 pm -
2 stops21h 10m
Deal found 9/24![Multiple Airlines logo]()
$1,050
This Qatar Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:35 am -
2 stops25h 20m
Mon 11/1610:55 am -
2 stops25h 30m
Deal found 9/25![Multiple Airlines logo]()
$1,050
This Qatar Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:55 pm -
2 stops24h 40m
Wed 12/29:05 pm -
2 stops22h 55m
Deal found 9/23![Multiple Airlines logo]()
$1,055
This Qatar Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:25 am -
2 stops24h 30m
Sun 11/1512:10 pm -
2 stops25h 50m
Deal found 9/25![Multiple Airlines logo]()
$1,061
This Qatar Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:15 pm -
2 stops19h 40m
Fri 11/271:55 pm -
2 stops23h 25m
Deal found 9/25![Multiple Airlines logo]()
$1,061
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:05 pm -
2 stops18h 40m
Wed 10/2112:15 pm -
2 stops23h 15m
Deal found 9/24![Multiple Airlines logo]()
$1,064
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:35 am -
2 stops25h 20m
Fri 11/2012:10 pm -
2 stops24h 15m
Deal found 9/24![Multiple Airlines logo]()
$1,079
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:25 am -
2 stops24h 30m
Sat 11/2812:10 pm -
2 stops24h 15m
Deal found 9/24![Multiple Airlines logo]()
$1,079
This Qatar Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:05 am -
2 stops25h 50m
Sun 12/132:50 pm -
2 stops22h 30m
Deal found 9/25![Multiple Airlines logo]()
$1,085
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:00 pm -
2 stops23h 00m
Wed 11/1112:10 pm -
2 stops24h 15m
Deal found 9/24![Multiple Airlines logo]()
$1,088
This Qatar Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/112:15 pm -
2 stops25h 20m
Sun 1/242:50 pm -
2 stops22h 30m
Deal found 9/23![Multiple Airlines logo]()
$1,095
Last-minute flights from Heathrow to SylhetDiscover last-minute flight deals from Heathrow to Sylhet. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Sylhet. Data last updated September 28, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 am -
2 stops22h 25m
Wed 10/2812:50 pm -
2 stops25h 10m
Deal found 9/24![Multiple Airlines logo]()
$1,050
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 am -
2 stops22h 25m
Thu 10/223:10 pm -
2 stops21h 50m
Deal found 9/24![Multiple Airlines logo]()
$1,051
This Qatar Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:30 am -
2 stops24h 15m
Sun 10/2512:50 pm -
2 stops23h 30m
Deal found 9/23![Multiple Airlines logo]()
$1,070
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:25 am -
2 stops25h 20m
Thu 10/812:00 pm -
2 stops25h 00m
Deal found 9/24![Multiple Airlines logo]()
$1,064
This Qatar Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:30 am -
2 stops24h 15m
Wed 11/412:10 pm -
2 stops25h 10m
Deal found 9/24![Multiple Airlines logo]()
$1,066
This Qatar Airways deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:25 am -
2 stops30h 35m
Thu 10/2212:00 pm -
2 stops25h 00m
Deal found 9/25![Multiple Airlines logo]()
$1,046
This Qatar Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:25 am -
2 stops30h 35m
Thu 11/510:55 am -
2 stops25h 30m
Deal found 9/23![Multiple Airlines logo]()
$1,072
This Booking.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:00 am -
2 stops23h 45m
Wed 10/217:55 am -
2 stops36h 25m
Deal found 9/25![Multiple Airlines logo]()
$1,023
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:20 pm -
Nonstop9h 45m
Wed 10/218:25 pm -
1 stop25h 40m
Deal found 9/25![Biman Bangladesh logo]()
$1,053
This Qatar Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:05 pm -
2 stops18h 40m
Wed 11/1112:50 pm -
2 stops23h 35m
Deal found 9/23![Multiple Airlines logo]()
$1,056
This Booking.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:55 pm -
2 stops19h 00m
Mon 11/210:00 pm -
2 stops40h 00m
Deal found 9/26![Multiple Airlines logo]()
$1,052
One-way flights from Heathrow to SylhetSearch for one-way flight options from Heathrow to Sylhet. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Heathrow to Sylhet. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Trip.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:05 pm -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$453
This Trip.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:05 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/293:15 pm -
3 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$456
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:40 pm -
2 stops36h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$501
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:35 pm -
2 stops40h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$511
This Trip.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:05 pm -
2 stops17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$525
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:40 pm -
2 stops32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:25 am -
3 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$579
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:30 am -
2 stops24h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$593
Find flight deals from Heathrow to Sylhet
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sylhet (ZYL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $960 (Trip.com) |
One-way from | $453 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,046 |
Good round-trip deal | $1,049 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow to Sylhet 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 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sylhet that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Tue 12/1
8:05 pm-9:10 pm
2 stops19h 05m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$470
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Mon 11/30
9:40 pm-3:55 pm
2 stops36h 15m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$501
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Sat 12/5
6:25 am-11:45 am
3 stops23h 20m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$579
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Sat 10/3
4:30 pm-5:50 pm
3 stops20h 20m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$603
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Sun 12/6
2:15 pm-9:35 pm
2 stops25h 20m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$649
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Sat 11/21
1:55 pm-3:55 pm
3 stops20h 00m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$662
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Sat 11/28
1:00 pm-4:40 pm
3 stops21h 40m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$685
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Wed 12/2
1:55 pm-2:20 pm
3 stops18h 25m
Sylhet Osmani Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$782
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Fri 3/5
1:00 pm-9:35 pm
2 stops26h 35m
Sylhet Osmani Intl
Wed 4/7
7:30 am-11:30 am
2 stops33h 00m
$974
LondonSylhet
LHR London Heathrow - ZYL Sylhet Osmani Intl
LHRZYL
London Heathrow
Wed 11/4
3:30 pm-9:35 pm
2 stops24h 05m
Sylhet Osmani Intl
Wed 11/18
9:05 pm-12:15 pm
2 stops21h 10m
$1,050
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Sylhet
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Sylhet in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Sylhet flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Sylhet flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Sylhet flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Sylhet flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Sylhet flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Heathrow to Sylhet
Have a flexible travel schedule? Discover the best time to fly to Sylhet from Heathrow with our price prediction graph.
LHR-ZYL
Estimated round-trip 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 Sylhet
Prices
Delays
How far ahead should I book a flight from London Heathrow Airport to Sylhet?
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Sylhet, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Sylhet?
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Sylhet (average of $1,046). Flying from London Heathrow Airport to Sylhet in December is currently the most expensive (average of $1,887). 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 ZYL?
Find hourly flight availability from Heathrow to Sylhet. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sylhet as you normally would.
How often are flights from London to Sylhet delayed?
About 27% of weekly flights between London and Sylhet have experienced delays in the past year, with the average delay time being 197 minutes.
What is the most punctual flight time for London to Sylhet flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday 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 Sylhet flights?
Over the last year, Biman Bangladesh have had the lowest number of delays on this route, with just 27% of flights being delayed.
Reviews of airlines servicing Sylhet
Get insights into the airlines that provide service to Sylhet. 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 Sylhet. Reviews last updated September 28, 2026.
Read reviews from past customers who have flown Biman Bangladesh from London Heathrow Airport to Sylhet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Sylhet. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Heathrow and Sylhet flights
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Top airline flying from Heathrow to Sylhet
Discover the top airline that operate flights from Heathrow to Sylhet. 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 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$946 | Average$1,287 | FlexibilityNo cancel fee | On-time45% |