Route guide

London to Sylhet (LHR-ZYL): Nonstop Upgrade & Award Space

Biman Bangladesh Airlines flies the LHR to ZYL nonstop about 4 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every LHR to ZYL departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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4
Nonstop flights a week
4,983 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every LHR to ZYL departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for London to Sylhet to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each LHR to ZYL departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See LHR to ZYL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying London to Sylhet nonstop

Carriers operating LHR to ZYL nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Biman Bangladesh Airlines
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Frequently asked questions about LHR to ZYL

How far is Sylhet from London?
LHR to ZYL covers about 4,983 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from LHR to ZYL?
Biman Bangladesh Airlines is currently the only airline flying LHR to ZYL nonstop. 2LNR tracks confirmed upgrade and award space on every Biman Bangladesh Airlines departure.
How many flights a week are there from LHR to ZYL?
About 4 nonstop flights a week run between London and Sylhet in the current schedule, operated by Biman Bangladesh Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on LHR to ZYL?
Open the LHR to ZYL calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the London to Sylhet route, and 2LNR will notify you when space opens. It's free to start.

Never miss LHR to ZYL upgrade or award space

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