SriLankan Airlines Flight UL504 Deals & Information (2025/2026)

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SriLankan Airlines Flight 504 Route Deals From $873

The cheapest prices found with in the last 7 days for return flights were $921 and $873 for one-way flights to Bandaranaike Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 28 - Mon, Oct 6
LHR
Heathrow
CMB
Bandaranaike Intl.
$921 Roundtrip, found 5 hours ago
$921
Roundtrip
found 5 hours ago
Select SriLankan Airlines flight, departing Sun, Sep 28 from Heathrow to Bandaranaike Intl., returning Mon, Oct 6, priced at $921 found 5 hours ago

Frequently asked questions

What route does flight number UL504 take?
You’ll be touching down at CMB from Heathrow Airport if you’ve booked a ticket on flight number UL504. You’ll be airborne for 10 hours and 45 minutes during this trip. What’s more, the service conveniently travels non-stop.
How often is UL504 on time?
Approximately 100% of UL504 flights arrive on time — so if you’re flying from London Airport (LHR-Heathrow) to Colombo International Airport, you can rest easy knowing that you will land at your destination as quickly as possible. In the rare event that this SriLankan Airlines flight is late, you can expect to wait approximately 7 minutes. Thanks to the air carrier’s high standard, this route has a star rating of 4.25.
What terminal does UL504 fly out of?
Passengers with tickets for flight number UL504 from LHR to Colombo Airport (CMB-Bandaranaike Intl.) generally fly out of Terminal 2.
What kind of plane is on flight number UL504?
The Airbus A330-300 is the aircraft predominantly used for flight number UL504. This flight almost always heads off from London Airport (LHR-Heathrow) and arrives at CMB.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UL504 flight with Travelocity, please visit our Customer Service Portal.