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SXL to LHR: distance & flight time
Sligo (Sligo Airport) → London (London Heathrow Airport)
391 mi
629 km · 339 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading southeast
See live SXL→LHR fares Phone-only fares on this route — call free
Flight time details
391 miles nonstop takes roughly 1h 30m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SXL — Sligo Airport · Sligo, Ireland
- LHR — London Heathrow Airport · London, United Kingdom
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SXL
- NOC · Ireland West Knock Airport27 mi away
- ENK · St Angelo Airport39 mi away
- CFN · Donegal Airport54 mi away
- GWY · Galway Airport69 mi away
Near LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is SXL from LHR?
The flight distance from Sligo (SXL) to London (LHR) is 391 miles (629 km, 339 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXL to LHR?
A nonstop flight takes about 1h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SXL to LHR?
Nonstop service on SXL–LHR depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 30m nonstop estimate.
What is the cheapest way to fly from SXL to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXL–LHR that never appear on search engines, with no booking fees.
Why are some SXL to LHR fares phone-only?
Consolidator contracts let us sell certain SXL–LHR tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.