฿6,489+ Cheap flights from the United Kingdom

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. 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.
LHR — BKK
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Find flights from United Kingdom within your budget

 
Find flights departing from United Kingdom 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 17 April 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Tue 8/9

10:25-14:45

1 stop22h 20m

Bangkok Don Mueang Intl

Tue 27/10

13:25-06:25

1 stop24h 00m

฿22,985

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Sun 13/9

10:25-16:20

1 stop23h 55m

Bangkok Don Mueang Intl

Thu 24/9

13:35-07:05

1 stop23h 30m

฿23,145

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Fri 8/5

14:45-18:20

1 stop21h 35m

Phuket City

Fri 22/5

09:25-12:45

1 stop33h 20m

฿23,400

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Tue 12/5

14:45-18:20

1 stop21h 35m

Phuket City

Fri 22/5

09:25-12:45

1 stop33h 20m

฿23,400

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Sun 17/5

20:45-18:20

1 stop15h 35m

Phuket City

Sat 20/6

02:25-12:45

1 stop16h 20m

฿24,487

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 6/6

20:50-18:10

1 stop15h 20m

Bangkok Suvarnabhumi

Sat 4/7

15:05-12:45

1 stop27h 40m

฿24,519

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Wed 2/9

10:25-14:45

1 stop22h 20m

Bangkok Don Mueang Intl

Wed 7/10

13:35-07:30

1 stop23h 55m

฿24,551

LondonBangkok

LGW - DMK

LGWDMK

London Gatwick

Wed 2/9

10:25-13:00

1 stop20h 35m

Bangkok Don Mueang Intl

Tue 29/9

16:50-07:25

1 stop20h 35m

฿24,551
Fastest return journey

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 28/4

09:15-06:45

1 stop15h 30m

Bangkok Suvarnabhumi

Thu 2/7

09:45-18:45

1 stop15h 00m

฿24,679

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 20/8

14:45-11:50

1 stop15h 05m

Bangkok Suvarnabhumi

Mon 7/9

15:05-07:00

1 stop21h 55m

฿24,679

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom

Have a flexible travel schedule? Discover the best time to fly from United Kingdom 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 United Kingdom

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

What is the cheapest month to book a flight from United Kingdom?

Currently, May is the cheapest month in which you can book a flight from United Kingdom (average of ฿25,542). Flying from United Kingdom in July will prove the most costly (average of ฿37,338). 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 United Kingdom

Get insights into the airlines that provide service from United Kingdom. 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 United Kingdom. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Read reviews from past customers who have flown EVA Air,Emirates, andThai Airways from the United Kingdom. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Boarding

8.4

Entertainment

8.0

Overall

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Crew

8.7

Boarding

8.4

Entertainment

8.0

Overall

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Crew

8.7

Boarding

8.4

Entertainment

8.0

Overall

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Crew

8.7

Boarding

8.4

Entertainment

8.0

Overall

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Crew

8.7

Boarding

8.4

Entertainment

8.0

Overall

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Crew

8.7

Boarding

8.4

Entertainment

8.0

Overall

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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Related info for your journey

Access useful and relevant information related to your journey from United Kingdom. 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 17 April 2026.
  • Which is the cheapest airport to catch a flight from United Kingdom?

    London Heathrow airport offers the cheapest routes to Bangkok, from ฿16,144; whereas London Gatwick airport is typically cheaper if you're flying to Bangkok, from ฿16,943. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from United Kingdom?

    At the present moment the cheapest month to fly from United Kingdom is currently May; with July 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 United Kingdom?

    Here are some of the cheapest flight destinations from United Kingdom:
    Fly from London to Bangkok from ฿16,144
    Fly from London to Phuket City from ฿18,158
    Fly from London to Ko Samui from ฿21,642

  • How does Cheapflights help users find flights from United Kingdom?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from United Kingdom with no change fees?

    Need flexible booking options for your flight from United Kingdom ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Yes! Start tracking prices for flights from United Kingdom today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from United Kingdom with no change fees?

Need flexible booking options for your flight from United Kingdom ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for flights from United Kingdom today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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