฿11,396+ Cheap flights from London

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LON — BKK
10 Feb — 17 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from London

Discover essential information about flights departing from London, including flight schedules, destinations, airlines operating at the London airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 11 January 2026.

Cheapest airline

บริติชแอร์เวย์

Good round-trip deal

฿7,069 or less

Good one-way deal

฿2,993 or less
On average, บริติชแอร์เวย์ currently has the cheapest one-way flight from London (avg. price of ฿27,835).
Price to beat on a round-trip flight from London.
Price to beat on a one-way flight from London.

Find flights from London

Enter your travel dates to find the best prices.

Cheapest flights from London
Explore the most affordable flight options available from London. Find the lowest fares based on data from user searches, with prices last updated on 11 January 2026.

Fri 24/422:00LHR - BKK
2 stops30h 00mไห่หนานแอร์ไลน์
Thu 21/511:05BKK - LHR
2 stops38h 25mไห่หนานแอร์ไลน์
Deal found 7/1฿16,969
Tue 20/121:00LHR - BKK
1 stop24h 05mChina Eastern
Mon 9/200:55BKK - LHR
1 stop23h 35mChina Eastern
Deal found 8/1฿17,001
Sat 24/120:20LGW - BKK
1 stop22h 30mChina Southern
Fri 6/202:50BKK - LGW
1 stop21h 30mChina Southern
Deal found 9/1฿17,032
Wed 4/219:45LHR - BKK
1 stop31h 20mไห่หนานแอร์ไลน์
Tue 17/219:10BKK - LHR
1 stop28h 10mไห่หนานแอร์ไลน์
Deal found 8/1฿17,032
Tue 27/120:20LGW - BKK
1 stop22h 30mChina Southern
Mon 2/303:00BKK - LGW
1 stop21h 20mChina Southern
Deal found 9/1฿17,063
Tue 20/121:00LHR - BKK
1 stop21h 55mChina Eastern
Mon 2/219:55BKK - LHR
1 stop28h 35mChina Eastern
Deal found 9/1฿17,063
Wed 11/319:45LHR - BKK
1 stop31h 20mไห่หนานแอร์ไลน์
Thu 14/519:20BKK - LHR
2 stops30h 10mไห่หนานแอร์ไลน์
Deal found 8/1฿17,095
Wed 21/121:00LHR - BKK
1 stop21h 55mChina Eastern
Wed 4/205:45BKK - LHR
1 stop18h 45mChina Eastern
Deal found 8/1฿17,126
Mon 9/308:05STN - BKK
2 stops23h 25mMultiple Airlines
Fri 13/322:05BKK - STN
2 stops32h 05mMultiple Airlines
Deal found 10/1฿17,126
Sat 28/220:20LGW - BKK
1 stop22h 30mChina Southern
Fri 13/300:30BKK - LGW
2 stops23h 50mChina Southern
Deal found 9/1฿17,157
Sun 1/221:00LHR - BKK
1 stop19h 55mChina Eastern
Sun 8/201:55BKK - LHR
1 stop22h 35mChina Eastern
Deal found 9/1฿17,157
Wed 25/206:30STN - BKK
3 stops31h 35mMultiple Airlines
Fri 6/322:05BKK - STN
2 stops32h 05mMultiple Airlines
Deal found 9/1฿17,157

Find flights from London within your budget

 
Find flights departing from London that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 11 January 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonPhuket City

STN - HKT

STNHKT

London Stansted

Wed 25/2

06:30-21:45

3 stops32h 15m

Phuket City

Wed 4/3

22:50-22:35

2 stops30h 45m

฿18,472

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 2/3

21:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Mon 16/3

23:10-05:30

Nonstop13h 20m

฿18,911

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 8/3

21:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Sun 22/3

23:10-05:30

Nonstop13h 20m

฿18,911

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 21/1

17:00-22:35

3 stops22h 35m

Bangkok Suvarnabhumi

Thu 19/2

07:50-06:30

2 stops29h 40m

฿19,036

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 31/1

13:55-23:25

1 stop26h 30m

Bangkok Suvarnabhumi

Mon 18/5

15:05-12:45

1 stop27h 40m

฿20,194

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Thu 29/1

10:30-18:25

3 stops24h 55m

Bangkok Don Mueang Intl

Sun 8/2

20:20-14:00

2 stops24h 40m

฿20,351

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Thu 21/5

21:20-22:00

1 stop18h 40m

Phuket City

Wed 27/5

00:20-18:40

1 stop24h 20m

฿20,445

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Wed 28/1

10:30-22:00

1 stop28h 30m

Phuket City

Tue 10/2

00:05-14:00

1 stop20h 55m

฿20,570

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Sun 8/2

13:55-04:25

3 stops31h 30m

Bangkok Don Mueang Intl

Sun 15/2

16:50-23:55

3 stops38h 05m

฿20,633

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Wed 4/2

10:30-22:45

1 stop29h 15m

Phuket City

Sat 14/2

23:05-06:30

1 stop38h 25m

฿20,695

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 60 results
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Best time to book a flight from London

Have a flexible travel schedule? Discover the best time to fly from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from London

Get recent, data-driven insights about flights from London including ideal travel times, pricing trends, and more.

When is the best time to book a flight from London?

Use this chart to determine the optimal time to book a return flight from London to Suvarnabhumi. Price data was last updated on 9 January 2026.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London?

Currently, November is the cheapest month in which you can book a flight from London (average of ฿13,682). Flying from London in August will prove the most costly (average of ฿21,603). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from London

Get insights into the airlines that provide service from London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from London. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Check out reviews from past customers who have flown EVA Air, Thai Airways, andเตอร์กิชแอร์ไลน์ from London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Norse Atlantic UK
7.2
Good

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Browse thousands of different options on Cheapflights for your next trip

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Fly your favourite airline from London

Browse through various options for flying your favourite airline from London. Flight routes are based on user searches made on Cheapflights and were last updated on 11 January 2026.

Related info for your journey

Access useful and relevant information related to your journey from London. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 11 January 2026.
  • What are the most popular destinations to fly to from London?

    The most selected flight destinations from London for the current month are Bangkok Suvarnabhumi Airport, Ahmedabad, Auckland. While Bangkok Suvarnabhumi Airport, Ahmedabad, Accra are the top choices made by travellers year-round.

  • Which is the cheapest airport to catch a flight from London?

    London Gatwick airport offers the cheapest routes to Bangkok, from ฿14,966; whereas London Heathrow airport is typically cheaper if you're flying to Bangkok, from ฿15,373. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What are the cheapest airlines flying from London to anywhere?

    According to our data, users have found China Eastern, TAP ปอร์ตูกัล, and Air China to have the cheapest round-trip prices from London. Some of the destinations and prices are as follows: China Eastern flights from London to Bangkok Suvarnabhumi (฿11,954). TAP ปอร์ตูกัล flights from London to New York (฿13,659). Air China flights from London to Bangkok Suvarnabhumi (฿15,583).

  • What is the cheapest month to fly from London?

    At the present moment the cheapest month to fly from London is currently November; with August being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from London?

    Here are some of the cheapest flight destinations from London:
    Fly from London to Bangkok from ฿14,966
    Fly from London to Phuket City from ฿15,373
    Fly from London to Krabi from ฿17,658
    Fly from London to Ko Samui from ฿20,382

  • How does Cheapflights help users find flights from London?

    When you search for this flight from London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from London?

    Cheapflights helps you find that perfect flight from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from London with no change fees?

    Certainly. Search results for flights from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from London become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from London today and book when you’re ready!

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How does Cheapflights help users find flights from London?

When you search for this flight from London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from London?

Cheapflights helps you find that perfect flight from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London with no change fees?

Certainly. Search results for flights from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from London today and book when you’re ready!

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