Cheap Flights from Denver International to Colombo

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Find the cheapest month to fly from Denver International to Colombo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Colombo flights are currently cheapest in April.

Denver to Colombo: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 19,953
Cheapest month to flyApril

Finding cheap flights from Denver International to Colombo: Frequently asked questions

There are 5 airports in Colombo: Kelaniya, Colombo Ratmalana, Colombo Bandaranayake, Bentota River, and Katugastota.
The best price we found for a return flight from Denver International to Colombo is ج.م.‏ 48,897. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Colombo. But we found flights with one or more stops from ج.م.‏ 48,897.
As of February 2026, there are no flights flying from Denver International to Colombo.
The cheapest month to fly from Denver International to Colombo is usually April.
If you're flying from Denver International Airport, the cheapest airport near Colombo is Colombo Bandaranayake – which is 27.5 km away from the centre of Colombo. We've found flights into this airport from ج.م.‏ 48,897.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Colombo on Monday, 20 April 2026.
No airlines currently offer direct flights between Denver International Airport and Colombo. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colombo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Colombo is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 27°C. May is typically the warmest month in Colombo, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is July, with temperatures averaging 25°C. The rainiest month is November.
Currently, Frontier Airlines offers the cheapest flight tickets to Colombo.

Flying from Denver International Airport (DEN) to Colombo: what you need to know

  • Denver International Airport is located in Denver. Based in the UTC+5:30 timezone, Colombo is 11 hours 30 minutes ahead of Denver.

  • To avoid missing your DEN to Colombo flight, leave enough time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are likely if you're travelling during high season, so allow a bit more breathing room. A good general rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Think about adding a stopover to potentially unlock a cheaper flight ticket from DEN to Colombo. Just uncheck 'Direct flights only' during your search. Break up your trip (and maybe save some cash) by stopping at one of these airports:

    • Istanbul Ataturk Airport (IST)

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

  • The journey from central Denver to DEN takes about 1 hour 30 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 31 kilometres in 35 minutes or so, depending on traffic.

  • Need a place to stay before your flight from Denver International Airport to Colombo? Consider The Westin Denver International Airport. Get a good night's rest here before heading to DEN.

  • 80.23% of flights leaving Denver International Airport arrive at their destination as planned. Given its impressive on-time stats, disruptions are unlikely when jetting out of DEN.

  • DEN is located at 8500 Pena Boulevard.

How to find the cheapest flights from Denver International Airport (DEN) to Colombo

  • The best price we've found for a one-way Denver International Airport to Colombo flight is ج.م.‏ 19,953. The cheapest price for a return flight is ج.م.‏ 48,897. Keep in mind fares may change due to availability at the time of booking.

  • To pick up cheap flights from DEN to Colombo, book ahead. Airlines generally offer their most competitively priced fares when tickets first go on sale.

  • Finding cheap tickets from Denver International Airport to Colombo is more likely if you can be flexible with your dates. Try using the 'Whole month' search function to access the lowest fares across every month and pick up an incredible deal.

  • You don't need to keep checking in to find out if fares have dropped when you set up a Price Alert. We'll update you when there's an even bigger deal on cheap flights from DEN to Colombo.

  • Find a cheap flight from Denver International Airport to Colombo with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Colombo

Colombo Ratmalana Airport (RML)

  • Colombo Ratmalana Airport (RML) to central Colombo takes about 40 minutes by car. The centre is roughly 16 kilometres away.

  • If you're using public transport, expect a journey time of about 1 hour 15 minutes.

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Denver International Airport to Colombo. Reserve one of these accommodation options near RML instead:

Bandaranaike International Airport (CMB)

  • After your flight from Denver International Airport to Colombo has touched down, you can make your way to the city centre in around 40 minutes by car. Central Colombo is roughly 32 kilometres from Bandaranaike International Airport (CMB).

  • Public transport will get you there in around 1 hour 30 minutes.

  • There are some great places ready to welcome you near CMB. Settle in and get cosy after your DEN to Colombo flight at any of these perfectly located options:

  • The quickest way to reach your destination is with a Bandaranaike International Airport rental car. Pick up your wheels from Sr Rent A Car, Green Motion or Sixt and hit the road in a heartbeat.

  • Secure your first choice, not your last resort. Booking your ride from CMB two weeks ahead of time often means more savings and a wider range of vehicles.

Best time to go to Colombo

  • Before booking your flights from Denver International Airport to Colombo, consider which time of year works best for you. High season in Colombo offers a lively atmosphere and plenty to do, while the off-season means you'll get better deals on hotels and fewer crowds.

  • Lock in a Denver International Airport to Colombo flight ticket with a departure in March if you're eager to explore the city during its warmest month. You can expect temperatures to range from 24ºC to 33ºC.

  • For cooler conditions, search for a cheap ticket from DEN to Colombo in January when temperatures average between 22ºC and 32ºC.

More about Colombo

  • Once you've booked your flight from Denver International Airport to Colombo, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Colombo:

  • There are so many things to do and see in this city it can be hard to figure out where to start. Independence Square & Independence Memorial Hall, Gangaramaya Temple and Viharamahadevi Park are major attractions which should be on any well-planned Colombo itinerary.

Explore more of Sri Lanka

  • Colombo has plenty going for it, but there are so many other parts of Sri Lanka just waiting to be discovered. About 306 kilometres north of Colombo, a trip to Jaffna will keep you busy. Start with leading sights like Jaffna Fort, Dambakola Patuna Sangamitta Temple and Jaffna Public Library.

  • Trincomalee is another sought-after destination in Sri Lanka and is around 241 kilometres north-east of Colombo. No journey is complete without seeing Koneswaram Temple, Fort Frederick and Marble Beach.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.