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Only British Airways operates flights between Santiago and London Heathrow Airport.

Flights from Santiago to London Heathrow Airport usually depart from Santiago Arturo Merino Benitez (SCL) and arrive at London Heathrow (LHR).

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• Finnair: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Santiago to London Heathrow Airport:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $915 round-trip via Toronto Pearson Intl (YYZ), compared to $1,423 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $70–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 787-9 Dreamliner family is used most often on this route, operated mainly by British Airways. Other aircraft seen on the route include Airbus A350-900 variants.

One-stop flights from Santiago to London Heathrow Airport most commonly connect through:

• Madrid Barajas (MAD) - 39% of one-stop connections
• Bogotá El Dorado (BOG) - 25% of one-stop connections
• Paris Charles de Gaulle (CDG) - 13% of one-stop connections
• Sao Paulo Guarulhos Intl (GRU) - 9% of one-stop connections

Madrid Barajas (MAD) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 23% on the Santiago to London Heathrow Airport route. Monday is the cheapest departure day at $1,047 round-trip on average, while Friday is the most expensive at $1,356, a difference of $309. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Santiago to London Heathrow Airport route, 7% of flights were delayed in the past 3 months, with delays averaging 3 hours 29 minutes.

Afternoon is the busiest departure period on Santiago to London Heathrow Airport flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

These are the earliest and latest flight times available from Santiago to London Heathrow Airport:

• Earliest: departs at 12:30 pm and lands at 2:47 am
• Latest: departs at 4:00 pm and lands at 6:17 am.

The flight takes about 14h 17m.

Last-minute fares on this route - booked within 2 weeks of departure - run 29% above the route average of $1,154. Book 20 weeks before departure for the lowest fares.

A nonstop flight from Santiago to London Heathrow Airport takes 14h 17m, covering 7,236 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Santiago to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $464, which is 27% below the typical average for this route.

British Airways is the only airline operating Santiago to London Heathrow Airport flights. 93% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 17h 23m, compared with 17h 26m via Paris Charles de Gaulle (CDG) and 18h 26m via Sao Paulo Guarulhos Intl (GRU).

London Heathrow Airport is 4 hours ahead of Santiago (British Time vs Chile Time). Plan for the time shift when scheduling connections or first-day activities.

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Round-trip flights from Santiago to London Heathrow Airport range from $969 to $1,449, with an average of $1,154 over the past 12 months. Anything below $969 counts as a good deal.