Route guide

Seoul to Colombo (ICN-CMB): Nonstop Upgrade & Award Space

SriLankan Airlines flies nonstop from Seoul (ICN) to Colombo (CMB) just twice a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

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

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2
Nonstop flights a week
3,583 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every ICN to CMB 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 Seoul to Colombo 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 ICN to CMB 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 ICN to CMB on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seoul to Colombo nonstop

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

  • SriLankan Airlines
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Frequently asked questions about ICN to CMB

How far is Colombo from Seoul?
ICN to CMB covers about 3,583 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from ICN to CMB?
SriLankan Airlines is currently the only airline flying ICN to CMB nonstop. 2LNR tracks confirmed upgrade and award space on every SriLankan Airlines departure.
How often does ICN to CMB operate?
The nonstop currently runs twice a week, on SriLankan Airlines. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on ICN to CMB?
Open the ICN to CMB calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seoul to Colombo route, and 2LNR will notify you when space opens. It's free to start.

Never miss ICN to CMB upgrade or award space

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

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