Cheap flights from Atlanta to London from $161
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to London departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Atlanta to London
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London?
The cheapest month to fly to London from Atlanta is in October. Flight prices, which tend to average around $696, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Atlanta averaging around $713.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Atlanta to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $901. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,006. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Atlanta at noon is the least expensive time of day to depart. momondo users have found prices as low as $859 when looking at flights departing at noon. Flights to London are more costly in the afternoon, with an average ticket price of $956. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Atlanta Hartsfield-Jackson to London flight route?
Fly from Atlanta Hartsfield-Jackson to London Heathrow for the best Atlanta Hartsfield-Jackson - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $878 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Atlanta for as low as $805 on momondo.
What cabin class options are available on Atlanta Hartsfield-Jackson to London flights?
There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Atlanta to London flights?
You could potentially save up to 3% on your flight if you consider stops on a Atlanta to London flight.
How have Atlanta to London flight prices changed over time?
As of July 2025, prices for Atlanta to London flights are approximately 43% cheaper when compared to flights at the same time last year.
How many flights depart from Atlanta to London on average per day?
The number of flights available between Atlanta and London is 24 per day as of July 2025. The most frequent departure time is 6:00PM, with 84% of daily flights leaving in the evening.
How many flights depart from Atlanta to London on average per week?
The number of flights available between Atlanta and London is 169 per week as of July 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.
When to book flights from Atlanta to London
Cheap Atlanta to London (ATL to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Atlanta to London
How far is Atlanta Hartsfield-Jackson to London by plane?
The distance between Atlanta Hartsfield-Jackson and London is about 4203.7 mi. By plane, this route typically takes 10h 45m.
When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to London?
Prices for flights from Atlanta Hartsfield-Jackson Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to London?
As of July 2025, there are 14 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to London.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to London?
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.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Atlanta to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Atlanta to London is Boeing 767-400 (32.63% of total bookings). The next most popular plane models are Boeing 777 (26.69%), Airbus A350-1000 (21.43%), and Airbus A330-900neo (11.84%).
What is the most popular airline from Atlanta to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Atlanta to London is Delta (33% of total bookings). The next most popular airlines are British Airways (15%), Virgin Atlantic (14%), and JetBlue (8%).
Best airlines flying from Atlanta to London
Compare and see reviews for airlines that fly from Atlanta to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $266 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom $382 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $413 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $509 | Free Cancellation | Rating 7.3 2,916 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom $601 | Free Cancellation | Rating 7.0 2,819 reviews | |||
| PriceFrom $620 | Free Cancellation | Rating 7.5 1,473 reviews | |||
| PriceFrom $622 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $626 | Free Cancellation | Rating 7.8 1,366 reviews | |||
| PriceFrom $626 | Free Cancellation | Rating 6.6 7,093 reviews |
Delta Flights From Atlanta to London
Delta flies from Atlanta to London around 24 times per week, with 7,983 momondo users rating the airline 8.0/10. The cheapest Delta deal from Atlanta to London in the last 72 hours was $622 (round-trip), much lower than the average airfare cost of $1,138 for Delta flights on this route.
KLM Flights From Atlanta to London
The best KLM deal for Atlanta to London flight tickets found on momondo in the last 72 hours was $626, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at $1,116 round-trip. KLM operates 28 flights out of Atlanta into London in an average week, so prices vary by time and availability. 1,366 KLM reviews by users on momondo have scored the airline at 7.8/10.
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Why should I use momondo to find a flight deal from Atlanta to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Atlanta to London. momondo saves you time and could save you money on your trip.
Can I find flights from Atlanta to London with flexible booking policies on momondo?
Yes. All flights to London from Atlanta on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Atlanta to London?
momondo helps you find the best flight between Atlanta and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Atlanta to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Atlanta and alert you when they change.