Question 1

What are the cheapest airlines flying from Charleston to London Heathrow Airport round-trip?

Accepted Answer

According to our current data, KLM (£517), British Airways (£521), and Air Canada (£523) offers the cheapest pricing from Charleston to London Heathrow Airport. KLM is currently priced 24% below the average price you’ll pay for this route.

Question 2

What are the cheapest airlines to fly from Charleston to London Heathrow Airport one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Charleston to London Heathrow Airport are Air Canada (£302), JetBlue (£310), and TAP AIR PORTUGAL (£673).

Question 3

How far ahead should I book a flight from Charleston to London Heathrow Airport?

Accepted Answer

The best time to book flights from Charleston to London Heathrow Airport is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

What is the cheapest month to book a flight from Charleston to London Heathrow Airport?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Charleston to London Heathrow Airport (average of £112). Flying from Charleston to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

What is the cheapest day to fly from Charleston to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Charleston to London Heathrow Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 8

What is the cheapest day to fly round-trip from Charleston to London Heathrow Airport?

Accepted Answer

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 22% when planning your travel around this day of the week.

Question 9

How far in advance should I book a flight from Charleston to London Heathrow Airport?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 69% on flights from Charleston to London Heathrow Airport compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £500. For sooner than that we have options available in the next 3 days from £642.

Question 10

What is the cheapest month to fly from Charleston to London Heathrow Airport?

Accepted Answer

The best pricing can be found in the month of January. Prices to London Heathrow Airport from Charleston average £607. You can even find prices in January for less than £607, as users have found deals to London Heathrow Airport from as low as £292. The month of July appears to be one of the more expensive times to travel to London Heathrow Airport from Charleston. Flying in the targeted month can save you up to 29%.

Question 11

What is the cheapest time of day to fly from CHS to LHR?

Accepted Answer

When flying from Charleston to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 44% versus a flight in the morning.

Question 12

What airport do you fly from for flights from Charleston to London Heathrow?

Accepted Answer

For a flight from Charleston to London Heathrow, you will be flying from Charleston. Charleston (CHS) is just 10.2 mi from the center of the city. Charleston is the only Charleston airport and it handles 0 outbound flights to London Heathrow per day. 1 airline has flights to London Heathrow from Charleston on a regular basis.

Question 13

Can I find deals for flights from Charleston to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Charleston to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Charleston to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Heathrow.

Question 15

Can I find deals for business class flights from Charleston to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Charleston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Charleston to Heathrow?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Charleston to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Charleston to Heathrow?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Charleston.

Question 18

Can Cheapflights find flights from Charleston to Heathrow with no change fees?

Accepted Answer

Certainly. Search results for flights to Heathrow from Charleston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 19

Can Cheapflights notify me if prices for flights from Charleston to Heathrow become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Charleston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

Round-trip from	£517
One-way from	£302
Popular in	December
Cheapest in	January
Average price	£821

Cheap flights from Charleston to London Heathrow Airport from £302

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Charleston to London Heathrow are usually found in January or April, booked 71 days in advance, depart on a Monday or Thursday and return on a Wednesday

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Cheapest flights from Charleston to HeathrowExplore the most affordable flight options available from Charleston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Charleston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

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Best time to book a flight from Charleston to Heathrow

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Everything you need to know about your flight from Charleston to London Heathrow Airport

How far ahead should I book a flight from Charleston to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Charleston to Heathrow. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Charleston to London Heathrow Airport?

What is the cheapest time of day to fly from CHS to LHR?

Find hourly flight availability from Charleston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from Charleston to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Charleston to London Heathrow?

What are the cheapest airlines flying from Charleston to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Charleston to London Heathrow Airport one-way?

Can I find deals for flights from Charleston to Heathrow that include hotel bookings?

How can I find direct flights from Charleston to Heathrow?

Can I find deals for business class flights from Charleston to Heathrow?

What is the cheapest month to book a flight from Charleston to London Heathrow Airport?

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Can Cheapflights find flights from Charleston to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Charleston to Heathrow become cheaper?

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Cheapest flights from Charleston to Heathrow
Explore the most affordable flight options available from Charleston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.