Route guide

Colombo to Bangkok (CMB-BKK): Nonstop Upgrade & Award Space

SriLankan Airlines and Thai Airways International fly nonstop between Colombo (CMB) and Bangkok (BKK), roughly 21 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CMB to BKK 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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21
Nonstop flights a week
1,486 mi
Nonstop distance
Free
To get started

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

Airlines flying Colombo to Bangkok nonstop

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

  • SriLankan Airlines
  • Thai Airways International
See CMB to BKK on the interactive map →

Frequently asked questions about CMB to BKK

How far is Bangkok from Colombo?
CMB to BKK covers about 1,486 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from CMB to BKK?
SriLankan Airlines and Thai Airways International fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from CMB to BKK?
About 21 nonstop flights a week run between Colombo and Bangkok in the current schedule, operated by SriLankan Airlines and Thai Airways International. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on CMB to BKK?
Open the CMB to BKK calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Colombo to Bangkok route, and 2LNR will notify you when space opens. It's free to start.

Never miss CMB to BKK upgrade or award space

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

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