Cheap flights to Heathrow

WAS — LHR
29 May — 5 Jun1
Return
1 adult
Economy
From?
To?
Sun 29/5
Sun 5/6

Flights to Heathrow in 2022

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inDecemberHigh demand for flights, 2% potential price rise
Cheapest inMarchBest time to find cheap flights, 0% potential price drop
Average price฿24,162Average for return flights in May 2022
Return from฿20,676From Bangkok to London
One-way from฿9,159One-way flight from Bangkok to London Heathrow (LHR)

Cheap flights to Heathrow Airport in May, June 2022

The best prices found for LON flights for May, June
14 Jun - 21 Aug
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

2 stops

19h 45m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

19h 15m
฿21,428

ซาอุเดียแอร์ไลน์

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Deal found 21 May 2022

14 Jun - 21 Aug
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

23h 25m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

19h 15m
฿21,462

ซาอุเดียแอร์ไลน์

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Deal found 21 May 2022

25 May - 1 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

19h 45m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

15h 35m
฿21,736

ซาอุเดียแอร์ไลน์

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Deal found 22 May 2022

Heathrow Airport 2022 flight deals

Cheap flights to Heathrow Airport found for this year
1 Nov - 30 Nov
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

17h 55m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

18h 10m
฿20,676

Finnair

View Deal

Deal found 21 May 2022

1 Nov - 14 Nov
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

17h 55m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

16h 15m
฿20,711

Finnair

View Deal

Deal found 22 May 2022

10 Nov - 15 Nov
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

17h 45m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

18h 10m
฿20,745

Finnair

View Deal

Deal found 20 May 2022

Last minute flights to Heathrow Airport

Late deals on return flights to Heathrow Airport, departing today and this week
28 May - 6 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

36h 05m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

22h 30m
฿22,351

ซาอุเดียแอร์ไลน์

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Deal found 22 May 2022

30 May - 25 Oct
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

20h 20m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

18h 10m
฿22,590

ซาอุเดียแอร์ไลน์

View Deal

Deal found 21 May 2022

29 May - 9 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

20h 45m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

18h 40m
฿22,624

ซาอุเดียแอร์ไลน์

View Deal

Deal found 21 May 2022

What is the cheapest month to fly to Heathrow?

The cheapest ticket to Heathrow found for each month in 2022 based on historical flight searches by Cheapflights users.

January

฿22,864

February

฿21,394

March

฿24,709

April

฿24,504

May

฿23,547

June

฿26,828

July

฿30,143

August

฿23,069

September

฿23,205

October

฿21,599

November

฿19,822

December

฿25,598

Currently, the cheapest month for flights to Heathrow is November. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

When is the best time to fly to Heathrow Airport?

Average Heathrow flight ticket prices and weather conditions for 2022 and 2023 by month

BKK - LON

Price

฿19,071 - ฿29,802

LON

Temperature

4 - 17 °C

LON

Rainfall

40 - 70 mm

When is the best time to book a flight to Heathrow?

The best time to book flights to Heathrow is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Other local departures to Heathrow from Thailand