Salt Lake City to London Heathrow
4854 miles great-circle distance, typically flown in 10h 10m with 3 airlines operating direct service from Salt Lake City (SLC) to London Heathrow (LHR). Cheapest fares are usually in January (around $449 return), with peak prices in August (around $1347). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Salt Lake City
Salt Lake City International is Delta's principal mountain-region hub, completely rebuilt 2020–2024 with a single new concourse replacing the legacy 1960s terminals. TRAX Green Line light rail runs from the airport directly to downtown Salt Lake City in 25 minutes for $2.50. Delta operates over 90% of the schedule, making SLC essentially a Delta-monopoly hub for many destinations. International long-haul service includes Amsterdam, Paris CDG and seasonal Cancun/Mexico City through Delta and partner KLM.
Arriving in London
London Heathrow is 24 km west of central London — the deepest transatlantic hub from anywhere on the US East Coast. The Elizabeth Line and Heathrow Express both reach Paddington (15 minutes Express, 30 minutes Elizabeth) for £25 and £13.30 respectively. US carriers (American, Delta, United, JetBlue) and BA dominate the corridor. Cheapest fares from US East Coast: late January and February; peak demand is June–August.
Who flies SLC to LHR?
| Airline | IATA | Flight time | Cabin |
| Delta Air Lines | DL | 10h 10m | Economy |
| KLM | KL | 10h 10m | Economy |
| Air France | AF | 10h 10m | Economy |
3 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly SLC→LHR
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Salt Lake City to London FAQs
Direct flights from Salt Lake City (SLC) to London Heathrow (LHR) take approximately 10h 10m for the 4854-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $449. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
3 carriers operate direct service from Salt Lake City (SLC) to London Heathrow (LHR): Delta Air Lines, KLM and Air France. Frequencies vary by season and carrier — Delta Air Lines typically operates the highest weekly count on this corridor.
Electronic Travel Authorisation (ETA) required for US passport holders from 2025 — apply online, £10. Always check travel.state.gov for the latest entry requirements before booking.
London Heathrow (LHR) is the primary international airport for London. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.