Question 1

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Atlanta to London Heathrow Airport at noon for as low as $878. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $952.

Question 2

How many flights depart from Atlanta to London Heathrow Airport on average per week?

Accepted Answer

The number of flights available between Atlanta and London Heathrow Airport is 164 per week as of December 2025. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.

Question 3

What is the most punctual flight time for Atlanta to London flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Question 4

Which layover airport has the shortest travel time from Atlanta to London Heathrow Airport?

Accepted Answer

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 12h 13m.

Question 5

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 6

Can stopping save me money on Atlanta to London Heathrow Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Atlanta to London Heathrow Airport.

Question 7

How often are flights from Atlanta to London delayed?

Accepted Answer

Historically, on average around 20% of flights between Atlanta and London have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Question 8

Which airport is the most popular layover for flights between Atlanta and London Heathrow Airport?

Accepted Answer

Copenhagen (CPH) was the most common stop: 34% of momondo users choosing 1-stop flights on this route connected there.

Question 9

Which layover airport has the shortest connection time from Atlanta to London Heathrow Airport?

Accepted Answer

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 34m.

Question 10

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

Accepted Answer

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Atlanta, with most prices found around $703. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from Atlanta to London Heathrow Airport during October average around $721.

Question 11

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $836. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $973.

Question 12

What is the cheapest Atlanta Hartsfield-Jackson to London Heathrow flight route?

Accepted Answer

Fly from Atlanta Hartsfield-Jackson to London Heathrow for the best Atlanta Hartsfield-Jackson - London Heathrow flight prices

Question 13

How have Atlanta to London Heathrow Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Atlanta to London Heathrow Airport flights are approximately 41% cheaper when compared to flights at the same time last year.

Question 14

What airlines fly to London Heathrow Airport?

Accepted Answer

Delta, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from Atlanta according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 15 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 15

Which airline has the best punctuality record on Atlanta to London flights?

Accepted Answer

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Question 16

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to London Heathrow?

Accepted Answer

JetBlue is the most popular carrier operating from Atlanta Hartsfield-Jackson to London Heathrow

Question 17

What cabin class options are available on Atlanta Hartsfield-Jackson to London Heathrow flights?

Accepted Answer

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 18

What is the typical price of a round-trip flight between Atlanta and London Heathrow Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $810 to $1,360.
The lowest price recently found on this route was $620.

Question 19

Which layover airport offers the lowest fares from Atlanta to London Heathrow Airport?

Accepted Answer

Flights via New York (JFK) offer the lowest average round-trip price of $440.

Question 20

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

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $864 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Atlanta for as low as $794 on momondo.

Question 21

How many flights depart from Atlanta to London Heathrow Airport on average per day?

Accepted Answer

The number of flights available between Atlanta and London Heathrow Airport is 23 per day as of December 2025. The most frequent departure time is 10:00PM, with 81% of daily flights leaving in the evening.

Question 22

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport?

Accepted Answer

Prices for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport are refreshed on a daily basis.

Question 23

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport?

Accepted Answer

As of December 2025, there are 15 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport.

Question 24

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport.

Question 25

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$435
Fastest flight time	7h 55m
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Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $87	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
United Airlines	PriceFrom $326	Free Cancellation	Rating 7.4 9,076 reviews	Search United Airlines flights
Air Canada	PriceFrom $382	Free Cancellation	Rating 7.1 10,512 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 1,596 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $511	Free Cancellation	Rating 7.2 1,389 reviews	Search Aer Lingus flights
British Airways	PriceFrom $515	Free Cancellation	Rating 6.7 7,564 reviews	Search British Airways flights
Iberia	PriceFrom $562	Free Cancellation	Rating 7.0 3,042 reviews	Search Iberia flights
Air France	PriceFrom $578	Free Cancellation	Rating 7.4 1,502 reviews	Search Air France flights
Lufthansa	PriceFrom $594	Free Cancellation	Rating 6.8 7,616 reviews	Search Lufthansa flights
American Airlines	PriceFrom $605	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights

Cheap flights from Atlanta to London from $318

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