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Flights from St. Louis to Colombo

Find the cheapest flight options from St. Louis to Colombo over the next three months. Book one-way tickets from €450 and round-trip tickets from €1,531.

      • STL 10:01
        22h 49m
        2 stops
        CMB 20:20
        St. Louis - Colombo | Mon, Jan 5 | American Airlines
        CMB 12:50
        43h 12m
        2 stops
        STL 20:32
        Colombo - St. Louis | Mon, Jan 12 | SriLankan Airlines
        €1,531 €2,644
        42% OFF
        42% OFF
        €2,644 €1,531
      • STL 09:08
        50h 52m
        2 stops
        CMB 23:30
        St. Louis - Colombo | Mon, Jan 5 | Cathay Pacific
        CMB 12:50
        43h 12m
        2 stops
        STL 20:32
        Colombo - St. Louis | Mon, Jan 12 | SriLankan Airlines
        €1,576 €2,644
        40% OFF
        40% OFF
        €2,644 €1,576
      • STL 05:30
        32h 55m
        2 stops
        CMB 01:55
        St. Louis - Colombo | Mon, Jan 5 | Qatar Airways
        CMB 03:25
        29h 56m
        2 stops
        STL 21:51
        Colombo - St. Louis | Mon, Jan 12 | Qatar Airways
        €1,607 €2,644
        39% OFF
        39% OFF
        €2,644 €1,607
      • STL 12:06
        44h 44m
        2 stops
        CMB 20:20
        St. Louis - Colombo | Sat, Jan 10 | American Airlines
        CMB 21:35
        31h 18m
        2 stops
        STL 17:23
        Colombo - St. Louis | Sat, Jan 17 | Etihad Airways
        €1,637
        38% OFF
        €2,644 €1,637
      • STL 11:05
        48h 55m
        2 stops
        CMB 23:30
        St. Louis - Colombo | Sat, Jan 10 | Cathay Pacific
        CMB 00:45
        34h 44m
        2 stops
        STL 23:59
        Colombo - St. Louis | Sat, Jan 17 | Cathay Pacific
        €1,724
        35% OFF
        €2,644 €1,724
      • STL 15:10
        51h 30m
        2 stops
        CMB 06:10
        St. Louis - Colombo | Mon, Jan 5 | United Airlines
        CMB 12:50
        43h 12m
        2 stops
        STL 20:32
        Colombo - St. Louis | Mon, Jan 12 | SriLankan Airlines
        €1,744
        34% OFF
        €2,644 €1,744
      • STL 17:26
        45h 49m
        2 stops
        CMB 02:45
        St. Louis - Colombo | Mon, Jan 5 | Alaska Airlines
        CMB 12:50
        43h 12m
        2 stops
        STL 20:32
        Colombo - St. Louis | Mon, Jan 12 | SriLankan Airlines
        €1,760
        33% OFF
        €2,644 €1,760
      • STL 07:00
        32h 15m
        2 stops
        CMB 02:45
        St. Louis - Colombo | Mon, Dec 22 | Qatar Airways
        CMB 03:25
        32h 4m
        2 stops
        STL 23:59
        Colombo - St. Louis | Fri, Dec 26 | Qatar Airways
        €1,832
        31% OFF
        €2,644 €1,832
      • STL 17:26
        45h 49m
        2 stops
        CMB 02:45
        St. Louis - Colombo | Sun, Dec 21 | Alaska Airlines
        CMB 04:15
        31h 14m
        2 stops
        STL 23:59
        Colombo - St. Louis | Fri, Dec 26 | Qatar Airways
        €1,851
        30% OFF
        €2,644 €1,851
      • STL 07:00
        32h 15m
        2 stops
        CMB 02:45
        St. Louis - Colombo | Mon, Dec 22 | Alaska Airlines
        CMB 03:25
        32h 4m
        2 stops
        STL 23:59
        Colombo - St. Louis | Fri, Dec 26 | Qatar Airways
        €1,851
        30% OFF
        €2,644 €1,851
      • STL 13:00
        17h 25m
        1 stop
        CMB Invalid Date
        St. Louis - Colombo | Thu, Dec 11 | Normal Airline
        CMB 15:00
        6h
        Direct
        STL 16:00
        Colombo - St. Louis | Sat, Dec 13 | Normal Airline
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Displayed flight fares from St. Louis to Colombo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for St. Louis to Colombo

The distance between St. Louis and Colombo is 14,846.51km. Based on Trip.com's data, travel demand peaks in August. The off-season for travel is October.

Cheapest one-way flight price€450
Cheapest return ticket price€1,531
Off-season travel monthOctober
Peak season for travelAugust
Flight distance14,846.51km

Find the best time to fly from St. Louis to Colombo

The cheapest time for St. Louis to Colombo flights: Feb 15 to Feb 22 — one way flight prices from €371.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from St. Louis to Colombo, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from St. Louis (STL) to Colombo (CMB)?

    Based on Trip.com data, American Airlines offers one-way fares as low as €450 on Cheapest nonstop routes (e.g. STL to CMB on Wed, Jan 14), while American Airlines offers Cheapest nonstop round-trips from €1,531 departing on Mon, Jan 5 and returning on Mon, Jan 12.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from St. Louis to Colombo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from St. Louis to Colombo, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 14, with one-way flights priced at just €450.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Colombo travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Colombo is October, when demand for travel is lower.
  • The time difference between Colombo and St. Louis is 11h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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