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ATL → LHR

Find and Compare the Cheapest Ways to Fly from Atlanta to London

Compare one-way, round-trip and flight + hotel packages from Atlanta to London, a nonstop flight of about 8h 55m, with fares from around 470.

Search Live Rates for Atlanta to London

Atlanta to London flight facts

Atlanta to London is an international route covering about 4,199 miles, arriving at Heathrow Airport (LHR) in United Kingdom. Peak travel season in London runs June–August (mild, long sunny days), while November–March is usually the quietest and best-value time to visit.

Key facts for flights from Atlanta to London
Departing fromHartsfield-Jackson Atlanta International Airport (ATL)
Arriving atHeathrow Airport (LHR)
Distance4,199 miles (6,761 km)
Nonstop flight timeAbout 8h 55m
Round-trip fares from$470 (estimate)
Cheapest monthsSeptember, January, February
Peak season in LondonJune–August
Cheapest hotel months in LondonNovember–March
Best time to book2 to 6 months ahead
Route info updatedOctober 16, 2026

When to visit London

  • Peak season

    June–August

    Mild, long sunny days

  • Shoulder season

    April–May & September–October

    Cool and crisp, fewer crowds

  • Off-peak season

    November–March

    Cold, damp and grey

Estimated round-trip fares by month, Atlanta to London

Estimated lowest round-trip fare per month
MonthFares from
January$495
February$500
March$615
April$545
May$575
June$605
July$760
August$670
September$470
October$500
November$575
December$705

Flying from Atlanta to London

Airlines Flying this Route

Ducoffs.com compares full-service and low-cost airlines flying between Atlanta and London in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Atlanta to London

Fares on this route tend to be lowest in September, January, and February. For the best selection, book about 2 to 6 months before departure and stay flexible by a day or two.

Average Travel Duration

Atlanta and London are about 4,199 miles apart. A nonstop flight takes roughly 8h 55m; connecting itineraries usually add 2 to 5 hours.

Atlanta to London flight questions

How can I find the absolute cheapest flight from Atlanta to London?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Atlanta to London?

Based on typical seasonal demand, September, January, and February tend to offer the lowest fares on this route, with estimated round-trip prices starting around $470. Live prices change daily, so run a search for your exact dates.

How long is the flight from Atlanta to London?

Atlanta and London are about 4,199 miles apart. A nonstop flight takes roughly 8h 55m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

When are hotels cheapest in London?

Hotel rates in London are usually lowest in November–March, when demand is quieter, and highest during peak season (June–August). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for London?

This route arrives at Heathrow Airport (LHR). Your search results also show nearby airports when they offer a cheaper or faster option.

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

For this route, booking about 2 to 6 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.

Travel guides for this trip

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