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C$ 251 Find Cheap Flights from Bangkok to Colombo – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 474
Typical prices: C$ 541-C$ 638
Air India
Thu 1/3Fri 30/3
BKK - CMB • 1 stop
Cheapest direct flights
C$ 567
Typical prices: C$ 543-C$ 639
SriLankan Airlines
Thu 1/3Fri 30/3
BKK - CMB • Direct
Direct flights
Every day
You can fly direct with SriLankan Airlines and Thai Airways. Average duration is 3h 32m
Direct flights
+1
Direct flights
+1
Avoid delays
Thai Airways
Most punctual • 94% on-time
Morning
Best time • Fewest delays
Insights
Insights
When to book
13 weeks
in advance
Our data shows that travellers who book at least 13 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 9% price drop
January
Most popular
Good to know
+1
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Colombo Bandaranaike Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Colombo (BKK-CMB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bangkok to Colombo

Mon, 1 Mar - Tue, 30 Mar
Air India Logo
7:25 p.m. - 4:10 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
10h 15m1 stop New Delhi Indira Gandhi Intl
Air India Logo
5:05 p.m. - 2:10 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
19h 35m1 stop New Delhi Indira Gandhi Intl
C$ 474Air India
Sun, 28 Feb - Tue, 30 Mar
Air India Logo
7:25 p.m. - 4:10 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
10h 15m1 stop New Delhi Indira Gandhi Intl
Air India Logo
5:05 p.m. - 2:10 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
19h 35m1 stop New Delhi Indira Gandhi Intl
C$ 496Air India
Sun, 28 Feb - Mon, 29 Mar
Air India Logo
3:10 p.m. - 4:05 p.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
26h 25m1 stop New Delhi Indira Gandhi Intl
Air India Logo
5:10 a.m. - 5:55 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
11h 15m1 stop New Delhi Indira Gandhi Intl
C$ 496Air India
Sun, 28 Feb - Wed, 31 Mar
Air India Logo
3:10 p.m. - 4:10 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 30m1 stop New Delhi Indira Gandhi Intl
Air India Logo
9:40 a.m. - 7:35 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
8h 25m1 stop Mumbai Chhatrapati Shivaji Intl
C$ 496Air India
Mon, 1 Mar - Tue, 30 Mar
SriLankan Airlines Logo
8:10 a.m. - 10:10 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
SriLankan Airlines Logo
7:35 a.m. - 12:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 40mdirect
C$ 567SriLankan Airlines
Mon, 1 Mar - Sun, 28 Mar
SriLankan Airlines Logo
8:10 a.m. - 10:10 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
SriLankan Airlines Logo
1:05 a.m. - 6:15 a.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 40mdirect
C$ 595SriLankan Airlines
Mon, 1 Mar - Tue, 30 Mar
Thai Airways Logo
9:55 p.m. - 12:01 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 36mdirect
Thai Airways Logo
12:55 a.m. - 6:10 a.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 45mdirect
C$ 638Thai Airways
Sun, 28 Feb - Tue, 30 Mar
Thai Airways Logo
9:55 p.m. - 12:01 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 36mdirect
Thai Airways Logo
12:55 a.m. - 6:10 a.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 45mdirect
C$ 638Thai Airways
Tue, 2 Mar - Mon, 29 Mar
Thai Airways Logo
9:55 p.m. - 12:01 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 36mdirect
Thai Airways Logo
12:55 a.m. - 6:10 a.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 45mdirect
C$ 638Thai Airways
Tue, 2 Mar - Tue, 30 Mar
Thai Airways Logo
9:55 p.m. - 12:01 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 36mdirect
Thai Airways Logo
12:55 a.m. - 6:10 a.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 45mdirect
C$ 638Thai Airways
Booking Insights

Price, demand, and travel trends for Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

Round-trip flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport typically range from C$ 541 to C$ 638. The lowest price found in the past 5 days was C$ 474, on Air India.

What's the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport. It’s 6% cheaper than the average day, while Saturday is the most expensive, with prices 6% higher.

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

•January is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport at C$ 541 round-trip.
•July (C$ 640) and May (C$ 640) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 18% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport the cheapest?

Flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport are cheapest 13 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights

Low season

September

Cheapest flight

C$ 262
Beat the crowds with an average 39% drop in traveller numbers.
The most popular month to fly with an average 81% increase in traveller numbers.
One-way flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport

When to book flights from Bangkok to Colombo

Are your dates flexible? Find out the best times to travel from Bangkok to Colombo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport:

    • Earliest: departs at 7:45 am and lands at 11:17 am
    • Latest: departs at 9:55 pm and lands at 1:27 am.

    The flight takes about 3h 32m.

  • Which cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Only Economy Class is available on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport.

  • How long does a flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport take?

    A direct flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport takes 3h 32m, covering 3,847 km.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flight?

    Round-trip flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport range from C$ 541 to C$ 638, with an average of C$ 595 over the past 12 months. Anything below C$ 541 counts as a good deal.

  • How expensive are last-minute Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 2% above the C$ 595 route average. Book 13 weeks before departure for the lowest fares.

  • What is the standard checked bag allowance on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 61–C$ 135 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Thai Airways and SriLankan Airlines. Other aircraft seen on the route include Airbus A321 (sharklets) variants.

  • How are flight departures from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport spread across the day?

    Morning is the busiest departure period on Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights, with 34% leaving in that window. Afternoon departures account for 33%, Night flights for 33%, and Evening flights for 0%.

  • How are flight prices from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport are currently lower than usual. Average one-way flight prices are about C$ 283, which is 5% below the typical average for this route.

  • What car rental options are available at Colombo Bandaranaike Intl Airport (CMB)?

    Colombo Bandaranaike Intl Airport (CMB) hosts 5 major car rental companies, with daily rates starting from around C$ 30 for economy cars. Top options include:

    • GREEN MOTION
    • Ace
    • AcaRent
    • Xdrive Mobility
    • SR RENT A CAR

  • Which airports can I use when flying from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Colombo Bandaranaike Intl (CMB).

  • What time of day has the fewest delays on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport route, 11% of flights were delayed in the past three months, with delays averaging 1h 54m.

  • Can I save money by using flexible dates for flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Yes. Flexible dates can save you up to 13% on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport. Thursday is the cheapest departure day at C$ 558 round-trip on average, while Saturday is the most expensive at C$ 635, a difference of C$ 77.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    2 airlines operate flights between Bangkok Suvarnabhumi Airport and Colombo Bandaranaike Intl Airport. The airlines offering direct flights on this route include:

    • SriLankan Airlines
    • Thai Airways

  • What is the time difference between Bangkok Suvarnabhumi Airport and Colombo Bandaranaike Intl Airport?

    Colombo Bandaranaike Intl Airport is 1 hour behind Bangkok Suvarnabhumi Airport (India Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights?

    Among airlines operating Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights:

    • SriLankan Airlines: offers free seat selection
    • Thai Airways: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • SriLankan Airlines: a carry-on bag and a checked bag in Economy Class
    • Thai Airways: a carry-on bag and a checked bag in Economy Class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average C$ 558, about C$ 77 less than Saturday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport trip for January. Fares historically average C$ 541 round-trip in that month – typically C$ 98 less than the most expensive month, which is May (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 94% of Thai Airways flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 1h 54m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.

Prefer to fly direct from Bangkok to Colombo?

 
Find which airlines fly direct from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport, which days they fly and book direct flights.

Direct departures

Bangkok Suvarnabhumi to Colombo Bandaranaike Intl

Monday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Tuesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Wednesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Thursday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Friday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Saturday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Sunday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

See more nonstop flights

Direct returns

Colombo Bandaranaike Intl to Bangkok Suvarnabhumi

Monday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Tuesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Wednesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Thursday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Friday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Saturday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Sunday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

See more nonstop flights

More options for your flight from Bangkok to Colombo

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