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KLM Flights from Hartsfield-Jackson Atlanta International Airport (ATL) to London (LON-All Airports)
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Find the cheapest KLM flights on Expedia from Atlanta (ATL) to London (LON). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia with KLM for this route in the past 7 days starts at S$520 for travel on 8 March 2027.

S$520 Cheap KLM flights Atlanta (ATL) to London (LON)

Prices were available within the past 7 days and start at S$520 for one-way flights and S$1,316 for return, for the period specified. Prices and availability are subject to change.

All deals

One way

Return

Wed, 24 Feb - Mon, 8 Mar

ATL

Atlanta

LHR

London

S$1,316

Return

Found 21 hours ago

Select KLM flight, departing Wed, 24 Feb from Atlanta to London, returning Mon, 8 Mar, priced at S$1,316 Found 21 hours ago

Sun, 29 Nov - Tue, 8 Dec

ATL

Atlanta

LCY

London

S$1,550

Return

Found 1 day ago

Select KLM flight, departing Sun, 29 Nov from Atlanta to London, returning Tue, 8 Dec, priced at S$1,550 Found 1 day ago

Sun, 29 Nov - Tue, 8 Dec

ATL

Atlanta

LCY

London

S$1,586

Return

Found 1 day ago

Select KLM flight, departing Sun, 29 Nov from Atlanta to London, returning Tue, 8 Dec, priced at S$1,586 Found 1 day ago

Wed, 18 Nov - Wed, 25 Nov

ATL

Atlanta

LCY

London

S$1,590

Return

Found 5 days ago

Select KLM flight, departing Wed, 18 Nov from Atlanta to London, returning Wed, 25 Nov, priced at S$1,590 Found 5 days ago

Sun, 29 Nov - Tue, 8 Dec

ATL

Atlanta

LCY

London

S$1,594

Return

Found 1 day ago

Select KLM flight, departing Sun, 29 Nov from Atlanta to London, returning Tue, 8 Dec, priced at S$1,594 Found 1 day ago

Wed, 18 Nov - Wed, 25 Nov

ATL

Atlanta

LCY

London

S$1,626

Return

Found 4 days ago

Select KLM flight, departing Wed, 18 Nov from Atlanta to London, returning Wed, 25 Nov, priced at S$1,626 Found 4 days ago

Find the cheapest month to fly from Atlanta (ATL) to London (LON)

February is typically the cheapest month to fly

From S$637 - S$1,122 per traveller.

Travel information

Origin airport	Hartsfield-Jackson Atlanta International Airport
Destination airport	Heathrow Airport
Distance	6,762 km away
Airline name	KLM
Airline code	KL
Return price	S$1,316
Average flight time	8 hours 5 mins

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KLM flights to London from Atlanta

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S$520 Cheap KLM flights Atlanta (ATL) to London (LON)

Find the cheapest month to fly from Atlanta (ATL) to London (LON)

February is typically the cheapest month to flyFebruary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

February is typically the cheapest month to fly