Route guide

Kathmandu to Birganj (KTM-SIF): Nonstop Upgrade & Award Space

Hahn Air Systems flies nonstop between Kathmandu (KTM) and Birganj (SIF), roughly 35 times a week. With Hahn Air Systems operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every KTM to SIF departure, so you know which flights have space before you book.

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

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35
Nonstop flights a week
44 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every KTM to SIF 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 Kathmandu to Birganj 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 KTM to SIF 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 KTM to SIF on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Kathmandu to Birganj nonstop

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

  • Hahn Air Systems
See KTM to SIF on the interactive map →

Frequently asked questions about KTM to SIF

How far is Birganj from Kathmandu?
KTM to SIF covers about 44 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from KTM to SIF?
Hahn Air Systems is currently the only airline flying KTM to SIF nonstop. 2LNR tracks confirmed upgrade and award space on every Hahn Air Systems departure.
How many flights a week are there from KTM to SIF?
About 35 nonstop flights a week run between Kathmandu and Birganj in the current schedule, operated by Hahn Air Systems. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on KTM to SIF?
Open the KTM to SIF calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Kathmandu to Birganj route, and 2LNR will notify you when space opens. It's free to start.

Never miss KTM to SIF upgrade or award space

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

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