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SWS to LHR: distance & flight time
Swansea (Swansea Airport) → London (London Heathrow Airport)
155 mi
250 km · 135 nm
53m
estimated nonstop flight time
Same time
time difference · heading east
See live SWS→LHR fares Phone-only fares on this route — call free
Flight time details
155 miles nonstop takes roughly 53m gate to gate, flying east. 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
- SWS — Swansea Airport · Swansea, United Kingdom
- 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 SWS
- CWL · Cardiff International Airport34 mi away
- HAW · Haverfordwest Airport41 mi away
- BRS · Bristol Airport60 mi away
- FZO · Bristol Filton Airport64 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 SWS from LHR?
The flight distance from Swansea (SWS) to London (LHR) is 155 miles (250 km, 135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SWS to LHR?
A nonstop flight takes about 53m 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 SWS to LHR?
Nonstop service on SWS–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 53m nonstop estimate.
What is the cheapest way to fly from SWS to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SWS–LHR that never appear on search engines, with no booking fees.
Why are some SWS to LHR fares phone-only?
Consolidator contracts let us sell certain SWS–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.