✈️ Top 15 Affordable Flights from London to Sri Lanka

Optimal Booking Time: Aim to book your flights around 5 weeks in advance. For the lowest fares, consider booking 16 weeks ahead

Airline

Route

Dates (2025)

Fare (Round-trip)

Notes

Air India

LHR → CMB

Jun 23 – Jul 9

$665

Competitive fare with layover; book via Expedia

Gulf Air

LHR → CMB

Flexible

$719

One-stop via Bahrain; among the cheapest options

SriLankan Airlines

LHR → CMB

Sep 17 – Oct 1

£660

Direct flight; reliable national carrier

SriLankan Airlines

LHR → CMB

Oct 8 – Oct 22

£660

Direct flight; consistent pricing

SriLankan Airlines

LHR → CMB

Oct 2 – Oct 14

£660

Direct flight; favorable autumn dates

Qatar Airways

LHR → CMB

Flexible

From $801

One-stop via Doha; premium service

Etihad Airways

LHR → CMB

Flexible

From $890

One-stop via Abu Dhabi; modern fleet

Emirates

LHR → CMB

Flexible

From $1,059

One-stop via Dubai; excellent in-flight amenities

Turkish Airlines

LHR → CMB

Flexible

From $1,050

One-stop via Istanbul; good connectivity

Pegasus Airlines

STN → CMB

Flexible

From C$624

Budget carrier; one-stop via Istanbul

British Airways

LHR → CMB

Flexible

Varies

Codeshare options; check for deals

Oman Air

LHR → CMB

Flexible

Varies

One-stop via Muscat; competitive pricing

Vistara

LHR → CMB

Flexible

Varies

One-stop via Delhi; emerging carrier

IndiGo

LHR → CMB

Flexible

Varies

Budget-friendly; one-stop via India

China Eastern

LHR → CMB

Flexible

Varies

One-stop via Shanghai; longer duration

💡 Tips for Securing the Best Deals

  • Optimal Booking Time: Aim to book your flights around 5 weeks in advance. For the lowest fares, consider booking 16 weeks ahead .​KAYAK

  • Cheapest Month to Fly: May is typically the most affordable month for travel from London to Sri Lanka, with average round-trip fares around £841 .​Cheapflights

  • Direct Flights: SriLankan Airlines offers direct flights from London Heathrow to Colombo, providing a convenient option without layovers .​

  • Flexible Dates: Utilize tools like Skyscanner's "Whole Month" view to identify the cheapest days to fly .

  • Set Price Alerts: Platforms like Expedia and Skyscanner allow you to set alerts for price drops, ensuring you don't miss out on deals .​expedia