Route guide

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

Biman Bangladesh Airlines flies the ZYL to LHR 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 ZYL to LHR 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 ZYL to LHR 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 Sylhet to London 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 ZYL to LHR 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 ZYL to LHR on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sylhet to London nonstop

Carriers operating ZYL to LHR 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 ZYL to LHR

How far is London from Sylhet?
ZYL to LHR 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 ZYL to LHR?
Biman Bangladesh Airlines is currently the only airline flying ZYL to LHR nonstop. 2LNR tracks confirmed upgrade and award space on every Biman Bangladesh Airlines departure.
How many flights a week are there from ZYL to LHR?
About 4 nonstop flights a week run between Sylhet and London 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 ZYL to LHR?
Open the ZYL to LHR calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Sylhet to London route, and 2LNR will notify you when space opens. It's free to start.

Never miss ZYL to LHR upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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