Airport route guide

Upgrade & Award Space from Sylhet (ZYL)

Civil Airport (ZYL) is a small station in Sylhet, BD with nonstop service to 8 destinations, served by Biman Bangladesh Airlines, British International Helicopters, and Estonian Air. Because the schedule is limited, an upgrade or award opening on a Dhaka flight rarely lasts. 2LNR checks every ZYL nonstop for confirmed availability, so a rare opening doesn't go unnoticed.

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

8
Nonstop destinations
30+
Airlines in award search
Free
To get started

Confirmed upgrade & award space on every ZYL route

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Pick any Sylhet destination below to open a calendar of departures with real availability, or watch a route and get alerted when space opens.

See real availability

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

Set an alert

Premium inventory turns over fast. Watch a Sylhet route and 2LNR notifies you when space appears.

Plan on the map

Explore every ZYL nonstop on the interactive route map, with connections and route statistics.

Frequently asked questions about Sylhet (ZYL)

How many nonstop destinations does Civil Airport (ZYL) serve?
Civil Airport has active nonstop service to 8 destinations. The busiest markets from ZYL are Dhaka, London, and Muscat. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly upgrade-trackable routes from ZYL?
Biman Bangladesh Airlines, British International Helicopters, and Estonian Air operate the most tracked routes from Sylhet, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving ZYL appear on their routes as well.
How do I check upgrade or award availability from ZYL?
Pick any destination on this page, such as Dhaka, to open a calendar of ZYL departures with confirmed upgrade and award space, date by date. You can also set an alert so 2LNR notifies you when space opens on a route you care about.
Does 2LNR track flights from ZYL?
Yes. Every active nonstop route from Civil Airport is tracked, 8 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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