The cheapest times to fly from CMB to BIL are

  • January 8th to March 25th
  • April 9th to June 3rd (except the weeks of April 23rd and April 30th)
  • October 15th to December 2nd (except the weeks of October 22nd and November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from CMB to BIL is mid January. Prices can be as high as $4857 for Saturday flights during early to mid August, or as low as $923 for Tuesday flights around mid January.


When to Fly to Billings

Flying from Colombo (CMB) to Billings, MT (BIL) will usually cost between $983 to $2544 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $1379. Due to high demand the most expensive time to fly is early to mid August, with an average price of $4374. Planning your trip to low-cost times can easily save you $2995 on economy flights and even more on first-class flights. Generally, any price below $1737 can be considered a good price for a round-trip CMB to BIL flight.

See below for a graph of average weekly prices for the CMB to BIL route. All prices are for round-trip tickets in USD.

CMB to BIL Flight Prices

Compared to other flights, the CMB to BIL flight is more expensive than the average and costs slightly more than the average flight leaving from Colombo. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to BIL, and Sunday the cheapest day to fly back into CMB. Saturdays are the most expensive days to fly to Billings, and Fridays are the most expensive days to return to Colombo. Selecting flights on the least expensive days could save you up to $1865 (41%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1309. Return trip prices are from the BIL to CMB flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from CMB to BIL can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 42 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from CMB to BIL while comparing.

Destination alternative #1: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 126 miles (203 km) away from BIL
  • Usually 6.74% less expensive than BIL
  • 2-layover flights available

See CMB to BZN flights


Flight Hacking CMB to BIL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from CMB to BIL — but Champion Traveler does!

Hack #1: Los Angeles, CA (CMB > LAX > BIL)

  • Price for both tickets: $1148
  • Average savings: $590 (33.94%)

See CMB to SFO flights

Hack #2: San Francisco, CA (CMB > SFO > BIL)

  • Price for both tickets: $1153
  • Average savings: $585 (33.65%)

See CMB to LAX flights

Hack #3: Seattle, WA (CMB > SEA > BIL)

  • Price for both tickets: $1179
  • Average savings: $558 (32.14%)

See CMB to SEA flights


Flight Questions Answered

Still have questions about flying from CMB to BIL? We’ve got answers.

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Air Canada, Air France, Alaska, American, ANA, Asiana, Cathay Pacific, Delta, Etihad, EVA Air, JAL, KLM, Korean Air, Lufthansa, Singapore Airlines, SriLankan, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Billings Logan International Airport to Bandaranaike International Colombo Airport?

The distance between the two airports is roughly 8737 miles or 14061 kilometers.

How long does it take to fly from CMB to BIL?

The real-world flight time for a nonstop CMB to BIL flight is about 16 hour 42 minutes.

How many flights go between Colombo and Billings, MT?

It depends on the day of the week and the date, but a typical day might have around 7 available flights from CMB to BIL.


Airport Location Info


Departing Airport

Origination code CMB
Origination airport name Bandaranaike International Colombo Airport
City Colombo
Country Sri Lanka
Latitude 7.2
Longitude 79.9

Return Airport

Destination code BIL
Destination airport name Billings Logan International Airport
City Billings, MT
Country the United States
Latitude 45.8
Longitude -108.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.