CMB - BKK

C$ 283 Find Cheap Flights from Colombo to Bangkok – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 550
Typical prices: C$ 574-C$ 714
Vietnam Airlines
Mon 19/2Mon 5/3
CMB - BKK • 1 stop
Cheapest direct flights
C$ 573
Typical prices: C$ 598-C$ 727
SriLankan Airlines
Mon 19/2Mon 5/3
CMB - BKK • Direct
Direct flights
Every day
You can fly direct with SriLankan Airlines and Thai Airways. Average duration is 3h 37m
Direct flights
+1
Direct flights
+1
Avoid delays
Thai Airways
Most punctual • 96% on-time
Night
Best time • Fewest delays
Insights
Insights
When to book
18 weeks
in advance
Our data shows that travellers who book at least 18 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 12% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Ho Chi Minh City (SGN)
Cheapest • Avg C$ 542 (round-trip)
Kuala Lumpur Intl (KUL)
Shortest trip • 9h 47m (one-way)
Insights
Insights
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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 Bangkok Suvarnabhumi Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Colombo to Bangkok (CMB-BKK)

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

Recent round-trip flight deals from Colombo to Bangkok

Fri, 19 Feb - Fri, 5 Mar
Vietnam Airlines Logo
1:55 a.m. - 6:30 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
15h 05m1 stop Ho Chi Minh City
Vietnam Airlines Logo
11:20 a.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 50m1 stop Ho Chi Minh City
C$ 550Vietnam Airlines
Fri, 8 Jan - Wed, 27 Jan
Vietnam Airlines Logo
1:55 a.m. - 7:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
16h 20m1 stop Ho Chi Minh City
Vietnam Airlines Logo
11:20 a.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 50m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Fri, 4 Dec - Sun, 6 Dec
Vietnam Airlines Logo
1:55 a.m. - 7:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
16h 20m1 stop Ho Chi Minh City
Vietnam Airlines Logo
11:20 a.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 50m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Wed, 30 Dec - Fri, 1 Jan
Vietnam Airlines Logo
1:55 a.m. - 7:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
16h 20m1 stop Ho Chi Minh City
Vietnam Airlines Logo
11:20 a.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 50m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Fri, 8 Jan - Sat, 30 Jan
Vietnam Airlines Logo
1:55 a.m. - 7:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
16h 20m1 stop Ho Chi Minh City
Vietnam Airlines Logo
7:35 p.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
30h 35m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Wed, 30 Dec - Tue, 5 Jan
Vietnam Airlines Logo
1:55 a.m. - 6:30 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
15h 05m1 stop Ho Chi Minh City
Vietnam Airlines Logo
8:50 p.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
29h 20m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Wed, 2 Dec - Sun, 6 Dec
Vietnam Airlines Logo
1:55 a.m. - 7:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
16h 20m1 stop Ho Chi Minh City
Vietnam Airlines Logo
2:20 p.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
11h 50m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Wed, 30 Dec - Sun, 3 Jan
Vietnam Airlines Logo
1:55 a.m. - 7:45 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
16h 20m1 stop Ho Chi Minh City
Vietnam Airlines Logo
11:20 a.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 50m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Wed, 6 Jan - Sun, 31 Jan
Vietnam Airlines Logo
1:55 a.m. - 6:30 p.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
15h 05m1 stop Ho Chi Minh City
Vietnam Airlines Logo
2:20 p.m. - 12:40 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
11h 50m1 stop Ho Chi Minh City
C$ 559Vietnam Airlines
Fri, 19 Feb - Fri, 5 Mar
SriLankan Airlines Logo
1:15 a.m. - 6:20 a.m.CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 35mdirect
SriLankan Airlines Logo
8:10 a.m. - 10:10 a.m.BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
C$ 573SriLankan Airlines
Booking Insights

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

Round-trip flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport typically range from C$ 574 to C$ 714. The lowest price found in the past 5 days was C$ 550, on Vietnam Airlines.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. It's 3% cheaper than the average day, while Wednesday is the most expensive, with prices 2% higher.

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

•March is the cheapest month to fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport at C$ 564 round-trip.
•August (C$ 755) and July (C$ 708) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 33% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport are cheapest 18 weeks before departure. Booking in this window typically costs about 11% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

November

Cheapest flight

C$ 283
Beat the crowds with an average 29% drop in traveller numbers.
The most popular month to fly with an average 16% increase in traveller numbers.
One-way flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport

When to book flights from Colombo to Bangkok

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

Your Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi 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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

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

    • Earliest: departs at 1:00 am and lands at 4:37 am
    • Latest: departs at 7:30 am and lands at 11:07 am.

    The flight takes about 3h 37m.

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

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

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

    A direct flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport takes 3h 37m, covering 3,847 km.

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

    Round-trip flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport range from C$ 574 to C$ 714, with an average of C$ 643 over the past 12 months. Anything below C$ 574 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 1% above the C$ 643 route average. Book 18 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 542 round-trip via Ho Chi Minh City (SGN), compared to C$ 653 for direct.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 75–C$ 91 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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi 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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport spread across the day?

    Night is the busiest departure period on Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport flights, with 66% leaving in that window. Morning departures account for 34%, Afternoon flights for 0%, and Evening flights for 0%.

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

    One-way fares from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about C$ 312, which is 29% below the typical average for this route.

  • What car rental options are available at Bangkok Suvarnabhumi Airport (BKK)?

    Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car rental companies, with daily rates averaging C$ 43 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

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

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

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

    Night flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed on the route from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi 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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport route, 7% of flights were delayed in the past three months, with delays averaging 1h 57m.

  • Which airports do connecting flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport pass through?

    One-stop flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport most commonly connect through:

    • Singapore Changi (SIN) – 42% of one-stop connections
    • Ho Chi Minh City (SGN) – 23% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 13% of one-stop connections
    • New Delhi Indira Gandhi Intl (DEL) – 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 5% on flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Thursday is the cheapest departure day at C$ 629 round-trip on average, while Wednesday is the most expensive at C$ 660, a difference of C$ 31.

    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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

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

    • SriLankan Airlines
    • Thai Airways

  • How much time can I save by choosing a different layover airport when travelling from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

    Flying via Kuala Lumpur Intl (KUL) gives the shortest average 1-stop total travel time at 9h 47m, compared with 10h 57m via Bengaluru Intl (BLR) and 11h 54m via Singapore Changi (SIN).

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

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

  • Which popular places can I visit in Bangkok Suvarnabhumi Airport?

    Some of the most popular sights in Bangkok Suvarnabhumi Airport are Pratunam and Thailand Cultural Center. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

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

    Among airlines operating Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi 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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi 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 Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi 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 Wednesday. On this route, Thursday flights average C$ 629, about C$ 31 less than Wednesday fares (5% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 11% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport trip for March. Fares historically average C$ 564 round-trip in that month – typically C$ 192 less than the most expensive month, which is August (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 96% of Thai Airways flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport arrived on time, slightly above the route average of 93%. When flights on this route arrive late, they're delayed by an average of 1h 57m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Ho Chi Minh City Airport (SGN) can be cheaper than flying direct. The cheapest layover option averages C$ 542 round-trip on this route – about C$ 110 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Suvarnabhumi Airport.

    • Regency Bangkok Suvarnabhumi Airpor
    • Suvarnabhumi Ville Airport Hotel
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)

Prefer to fly direct from Colombo to Bangkok?

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

Direct departures

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

Direct returns

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

More options for your flight from Colombo to Bangkok

Complete your trip to Bangkok with a hotel stay or car rental

Car rentals in Bangkok
Hotels in Bangkok
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