Cheap flights to Heathrow

WAS — LHR
15 Jun — 22 Jun1
Return
1 adult
Economy
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Thu 15/6
Thu 22/6

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Flights to Heathrow in 2023

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Popular in

January

Cheapest in

May

Average price

฿29,616

Return from

฿25,676

One-way from

฿12,614
High demand for flights, 9% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for return flights in June 2023
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From Bangkok to London
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One-way flight from Bangkok to London Heathrow (LHR)
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Cheap flights to Heathrow Airport in June, July 2023

The best prices found for LON flights for June, July
These are some of the cheapest-priced fares users can find on flights departing to London in June and July 2023. If these deals fall outside of your budget, be sure to come back soon as prices update often.
15 Jun - 22 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

35h 05m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

33h 10m
฿27,059

ไชนาอีสเทิร์น

Deal found 8/6

26 Jul - 3 Sep
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

21h 15m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

27h 50m
฿27,888

แอร์อินเดีย

Deal found 9/6

20 Jun - 21 Aug
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 05m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

20h 30m
฿28,648

ออสเตรียนแอร์ไลน์

Deal found 9/6

13 Jun - 20 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

16h 40m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

17h 35m
฿29,132

Multiple Airlines

Deal found 9/6

12 Jun - 15 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

14h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

15h 15m
฿29,270

Multiple Airlines

Deal found 9/6

12 Jun - 19 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

22h 35m
฿29,616

Multiple Airlines

Deal found 9/6

13 Jun - 15 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

17h 30m
฿29,650

Multiple Airlines

Deal found 9/6

10 Jun - 13 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

23h 15m
฿29,685

Multiple Airlines

Deal found 9/6

11 Jun - 15 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

22h 35m
฿29,720

Multiple Airlines

Deal found 9/6

Heathrow Airport 2023 flight deals

Cheap flights to Heathrow Airport found for this year
The lowest fares on flights traveling to London in June and July 2023. More deals are always being added, so be sure to check back regularly.
15 Jun - 22 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

35h 05m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

33h 10m
฿27,059

ไชนาอีสเทิร์น

Deal found 8/6

6 Nov - 20 Nov
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

21h 35m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

27h 35m
฿27,681

แอร์อินเดีย

Deal found 9/6

26 Jul - 3 Sep
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

21h 15m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

27h 50m
฿27,888

แอร์อินเดีย

Deal found 9/6

5 Nov - 11 Nov
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

30h 15m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

28h 05m
฿28,545

กัลฟ์แอร์

Deal found 8/6

20 Jun - 21 Aug
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 05m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

20h 30m
฿28,648

ออสเตรียนแอร์ไลน์

Deal found 9/6

9 Oct - 8 Nov
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

21h 00m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

2 stops

22h 40m
฿28,683

กัลฟ์แอร์

Deal found 9/6

8 Dec - 24 Jan
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

28h 45m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

26h 50m
฿28,752

แอร์อินเดีย

Deal found 9/6

3 Oct - 31 Oct
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

2 stops

28h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

32h 30m
฿28,925

กัลฟ์แอร์

Deal found 9/6

13 Jun - 20 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

16h 40m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

17h 35m
฿29,132

Multiple Airlines

Deal found 9/6

Last minute flights to Heathrow Airport

Late deals on round-trip flights to Heathrow Airport, departing today and this week
Users traveling to London last-minute should check out these flights departing soon. Tip: double check your flight details before making your reservation.
15 Jun - 22 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

35h 05m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

33h 10m
฿27,059

ไชนาอีสเทิร์น

Deal found 8/6

15 Jun - 19 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

14h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

34h 20m
฿29,892

เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์

Deal found 9/6

14 Jun - 17 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

29h 25m
฿29,961

Multiple Airlines

Deal found 9/6

14 Jun - 21 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

28h 10m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

16h 00m
฿30,376

แอร์ไชน่า

Deal found 8/6

15 Jun - 18 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

Nonstop

12h 20m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

3 stops

52h 30m
฿31,171

Multiple Airlines

Deal found 9/6

19 Jun - 21 Aug
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

Nonstop

12h 20m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

29h 25m
฿31,586

Multiple Airlines

Deal found 9/6

15 Jun - 18 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

28h 15m
฿31,931

Multiple Airlines

Deal found 9/6

14 Jun - 18 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

16h 25m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

2 stops

33h 15m
฿32,242

เอทิฮัดแอร์เวย์

Deal found 9/6

16 Jun - 23 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

29h 40m
LHR

London Heathrow

BKK

Bangkok Suvarnabhumi

1 stop

36h 20m
฿32,311

แอร์ไชน่า

Deal found 9/6

One-way flights to Heathrow Airport

The cheapest one-way flights to Heathrow Airport
These are some of the best available deals on flights to London. If you're in need of a round-trip flight to London instead, make sure to update the search form at the top of page.
18 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

2 stops

28h 35m
฿12,614

Multiple Airlines

Deal found 8/6

27 Jun
DMK

Bangkok Don Mueang Intl

LHR

London Heathrow

2 stops

28h 20m
฿12,821

Multiple Airlines

Deal found 8/6

15 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
฿12,994

ไชนาอีสเทิร์น

Deal found 8/6

27 Jun
DMK

Bangkok Don Mueang Intl

LHR

London Heathrow

2 stops

25h 30m
฿13,097

Multiple Airlines

Deal found 9/6

19 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
฿13,097

ไชนาอีสเทิร์น

Deal found 10/6

23 Jun
DMK

Bangkok Don Mueang Intl

LHR

London Heathrow

2 stops

33h 30m
฿13,132

Multiple Airlines

Deal found 9/6

15 Jun
BKK

Bangkok Suvarnabhumi

LHR

London Heathrow

1 stop

31h 50m
฿13,236

ไชนาอีสเทิร์น

Deal found 9/6

17 Jun
DMK

Bangkok Don Mueang Intl

LHR

London Heathrow

2 stops

55h 35m
฿13,305

Multiple Airlines

Deal found 8/6

18 Jun
DMK

Bangkok Don Mueang Intl

LHR

London Heathrow

2 stops

40h 15m
฿13,339

Multiple Airlines

Deal found 8/6

Find flights to Heathrow within your budget

Use the slider to find flights to Heathrow that fit your budget.

Fly from

Any airport

Budget

฿25,676 - ฿30,860

Route

Depart

Return

Price

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 15/7

1 stop14h 25m

London Heathrow

Mon 18/9

1 stop20h 30m

฿25,676
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 8/11

1 stop15h 20m

London Heathrow

Tue 21/11

1 stop13h 05m

฿27,059
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 6/11

1 stop21h 35m

London Heathrow

Mon 20/11

1 stop27h 35m

฿27,681
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 26/7

1 stop21h 15m

London Heathrow

Sun 3/9

1 stop27h 50m

฿27,888
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 5/11

1 stop30h 15m

London Heathrow

Sat 11/11

1 stop28h 05m

฿28,545
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 10/10

1 stop25h 15m

London Heathrow

Tue 24/10

1 stop21h 30m

฿29,305
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/10

1 stop22h 20m

London Heathrow

Thu 9/11

1 stop15h 30m

฿29,616
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 8/11

2 stops37h 05m

London Heathrow

Tue 21/11

2 stops32h 35m

฿29,892
Pick Dates

Bangkok SuvarnabhumiLondon Heathrow

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 8/10

1 stop21h 10m

London Heathrow

Wed 8/11

1 stop33h 25m

฿30,860
Pick Dates

Flights are sorted by cheapest first

Deals found on 10/6

What is the cheapest month to fly to Heathrow?

The cheapest ticket to Heathrow found for each month in 2023 based on historical flight searches by Cheapflights users.

January

฿32,691

February

฿34,869

March

฿35,629

April

฿36,666

May

฿30,653

June

฿32,864

July

฿37,910

August

฿36,769

September

฿34,177

October

฿32,242

November

฿31,240

December

฿33,452

Currently, the cheapest month for flights to Heathrow is May. 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 2023 and 2024 by month

BKK - LON

Price

฿29,075 - ฿49,404

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 60 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.
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Search flights to Heathrow by cabin class

Business Classfrom ฿63,954/person
Prem Economyfrom ฿55,969/person
Economyfrom ฿14,175/person

Fly your favourite airline to Heathrow

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