Route brief · BKK → CMB
Bangkok → Colombo
$347
−1% vs typical
seasonal median $350 · difference $3
Jan 6 '27 – Jan 18 '27 · 12 nights
Thai AirAsiaNonstop
- Usual monthly lows
- $348–$353
- Board rank
- Stronger than 0%
- Route sample
- 8 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefCMBColomboA working port city that most people leave immediately — for tea country, ruins and the south coast.Best windowDec–MarAirportsBandaranaike (CMB)All routes into ColomboWhen this route gets cheap.
Cached-fare history: across 8 months, Jan is the cheapest for BKK → CMB. Best time to be there: Dec–Mar.
Fares on this route stay within about $17 across the 8 months we track — season matters less here than timing the drop. The cheapest itinerary we are tracking flies Thai AirAsia nonstop and takes about 3.5 hours outbound, on a 12-night trip. At $347 for 2,382 km each way, that works out to about $73 per 1,000 km flown. That is above the $41 typical of short-haul fares here. Across the 4 departure cities we track at a similar distance from Colombo, this fare ranks 3rd — 42% above the $244 from Kuala Lumpur. For context, the middle fare among the 6 routes of similar length we watch out of Bangkok is $251.
Cheapest day in the next 4 months: Oct 1 · $348 (7% below median)
Tap any day → live search
The median cached fare across this calendar is 4% higher than when tracking began on Aug 8 — $364 then versus $377 now, across 6 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $314, on Oct 31.
November 2026
Cheapest in Jan · around $347
1% below the $350 typical fare
Cheapest round-trip fare found per month · Bangkok → Colombo · cached-price history
Route facts
- Airports
- Suvarnabhumi (BKK) · Don Mueang (DMK) ↔ Bandaranaike (CMB)
- Flight time
- ~3.5 hours outbound
- Distance
- ~2,382 km each way
- Typical price
- $350 round-trip (seasonal median)
- Airlines on the board
- Thai AirAsia
- Itineraries
- Nonstop available
- Best months to visit
- Dec–Mar
BKK → CMB, answered.
Is $347 a good price for Bangkok to Colombo?
Only slightly. The seasonal median is around $350 round-trip and this fare is 1% under it, about $3. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Bangkok to Colombo?
Across 8 months of cached-fare history, Jan comes out cheapest on this route. The best months to actually be in Colombo are Dec–Mar — when those overlap, that's your window.
How far in advance should I book BKK → Colombo?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 8 months of cached fares, Jan comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Bangkok to Colombo?
Yes — the current board includes nonstop fares (Thai AirAsia). The outbound leg runs around 3.5 hours.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Colombo?
Lock the flight first — then compare stays for Jan 6 '27 – Jan 18 '27 · 12 nights.
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Missed it?
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