Cheap flights from Atlanta to the United Kingdom from $242

In general, February is the cheapest month to fly from Atlanta to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $369. If you aren’t able to travel to United Kingdom during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $455.

The cheapest day to depart from Atlanta to United Kingdom is on a Wednesday when prices can be found for as low as $815. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $993.

According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from Atlanta to United Kingdom in the evening for as low as $884. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the afternoon, with an average ticket price of $1,008. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to United Kingdom from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $925 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Atlanta for as low as $794 on momondo.

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

British Airways, JetBlue, and Delta are the most popular carriers operating from Atlanta Hartsfield-Jackson to United Kingdom

Delta, British Airways and Virgin Atlantic are the top three most popular airlines that fly to United Kingdom from Atlanta according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 15 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Atlanta and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 137 minutes.

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.

Monday 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.

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of June 2026, there are 30 flights per day flying from Atlanta to United Kingdom. The most common time of day flights depart is 10:00PM, with 83% of flights taking off in the evening.

214 flights are operational weekly from Atlanta to United Kingdom as of June 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.