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$279 Cheap Flights from Bangkok (BKK) to London (LHR)

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Heathrow Airport (LHR)

Cheap Flights from Bangkok to London (BKK-LHR)

Prices were available within the past 7 days and start at $279 for one-way flights and $663 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Riyadh Air
China Eastern Airlines
Air India
IndiGo
Royal Jordanian
Etihad Airways
Scandinavian Airlines
Gulf Air
Saudia

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Bangkok (BKK) to London (LHR)

September is typically the cheapest month to fly

From $725 - $921 per traveler.

What you need to know for your flight from Suvarnabhumi Intl. to Heathrow

Bangkok (BKK) to London (LHR) at a glance

Travel to London (LHR) from Bangkok (BKK) with a range of airlines on this long-haul international route. You can compare various options, from full-service to budget carriers, to discover the best flights from Bangkok that align with your financial plan and travel schedule. Whether you're looking to explore London's iconic landmarks or vibrant neighborhoods, you'll find essential information on booking your Bangkok to London flights departing from Suvarnabhumi International Airport (BKK) to Heathrow Airport (LHR).

  • Fastest flight duration: around 12h 45m non-stop
  • Route distance: roughly 6,000 miles (9,660 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $315–$1250, depending on seasonality and how far ahead you book

Flights from Suvarnabhumi International Airport (BKK) to Heathrow Airport (LHR)

According to recent traveler bookings, the most popular airlines for flights from Bangkok to London include both non-stop and one-stop options. Many travelers opt for layovers at Abu Dhabi International Airport (AUH) with a 1h 45m connection, Hamad International Airport (DOH) with a 2h 15m layover, and Dubai International Airport (DXB) also offering a 1h 45m stop. This variety allows you to tailor your travel experience by balancing cost, total journey time, and cabin class to discover the ideal itinerary.

  • Thai Airways International: This full-service airline provides non-stop flights, with one-way fares generally falling between $410 and $2750. It represents about 39% of all departures on this route, and the total travel duration is approximately 12 hours and 45 minutes.
  • EVA Airways: Offering non-stop service as a full-service airline, EVA Airways has one-way ticket prices typically ranging from $515 to $2135. It accounts for around 17% of departures on this route, with a total travel time of 12 hours and 45 minutes.
  • Etihad Airways: A full-service carrier providing one-stop flights, Etihad Airways' one-way fares usually range from $315 to $2970. This airline makes up about 8% of departures, with an in-flight duration of 14 hours and 45 minutes and a total journey time nearing 17 hours and 15 minutes due to layovers.
  • Qatar Airways: As a full-service airline with one-stop options, Qatar Airways offers one-way fares that typically range from $350 to $1885. This airline accounts for about 5% of departures, with the in-flight time being 14 hours and 45 minutes and a total travel time of roughly 17 hours and 15 minutes, including layovers.
  • Air India: This full-service carrier provides one-stop service with one-way fares generally ranging between $460 and $1765. Air India comprises around 5% of the departures on this route, featuring an in-flight time of 14 hours and 45 minutes and a total journey duration of approximately 17 hours and 15 minutes, including layovers.

Travelers flying from Bangkok to London have the option to upgrade their experience. Thai Airways International provides first-class and business class service, while EVA Airways offers business class and premium economy. Emirates stands out with its first class, business class, and premium economy options.

Best time to fly from Bangkok (BKK) to London (LHR)

The most popular months for travelers flying from Bangkok to London are January, March, and April, when peak temperatures in London reach up to 49.5°F in April. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 64.6°F and typically the lowest average one-way fare (around $708). Flight availability peaks in March, with approximately 12 flights per week, making it easier to find convenient departure times. December has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $708, roughly 30% cheaper than the yearly average.
  • Another budget-friendly time to fly: June typically offers an average one-way fare of around $766.
  • Most flight options: March has the highest number of flights from Bangkok to London, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.5°F (4.7°C)High8$1346
February41.7°F (5.4°C)Average8$863
March45.0°F (7.2°C)High12$1462
April49.5°F (9.7°C)High8$961
May55.0°F (12.8°C)Average11$935
June61.0°F (16.1°C)Average10$766
July64.9°F (18.3°C)Average8$1182
August64.6°F (18.1°C)Low11$708
September60.4°F (15.8°C)Average8$1087
October54.5°F (12.5°C)Low9$844
November47.1°F (8.4°C)Low9$948
December42.8°F (6.0°C)Average7$1074

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Bangkok (BKK) to London (LHR)

  • Bangkok to London (BKK-LGW): Gatwick Airport (LGW) is located approximately 25 miles from Heathrow Airport (LHR). One-way economy ticket prices on this route generally span from $330 to $1280, influenced by the time of year and how far in advance you make your reservation. Travelers can choose from both non-stop and one-stop flight options, with common layover points including Dubai International Airport (DXB) and Hamad International Airport (DOH). Leading airlines operating on this route are Emirates and British Airways. Additionally, business class service is offered for those seeking a more premium experience.

How to find the best prices for flights from Bangkok (BKK) to London (LHR)

Getting some of the best deals on flights from Bangkok to London is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures (6 PM-12 AM) often offer lower prices, while afternoon flights (12 PM-6 PM) are the most popular. Additionally, flying on Sunday typically provides cheaper options, though Saturday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Heathrow Airport from Suvarnabhumi International Airport

London welcomes travelers from Bangkok with a range of transport options based on price, convenience, and proximity. For departures, Suvarnabhumi International Airport is roughly a 20-minute drive (covering about 21 miles) from central Bangkok. London city center is approximately a 35-minute drive (covering about 19 miles) from Heathrow Airport, depending on traffic. Here's how to reach London efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in London, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Heathrow Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Heathrow Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Heathrow Airport, Heathrow Terminals 2 & 3 Underground Station (a metro station) and Heathrow Central Bus Station (a bus station) are both located about 0.2 miles from the airport on foot, while Heathrow Terminals 2 & 3 Station (a train station) is slightly farther away at about 0.3 miles on foot, providing convenient access to various transport options for travelers.

Frequently asked questions

How much does a flight from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from $279 and cheap return flights from $663 Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) with Expedia. One-way flights generally range between $375 and $3039, and roundtrip flights usually range from $931 to $5385. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
May is the cheapest month to fly from Bangkok (BKK) to London (LHR), with average return fares around $956. This is about 10% lower than the average price throughout the year, as travel demand tends to be lower in late spring. Other cheap months to fly from Bangkok to London include June and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
Choose from 2 airlines operating direct flights from BKK to LHR:

  • Thai Airways International operates around 14 direct flights from BKK to LHR every week
  • EVA Airways operates around 7 direct flights from BKK to LHR every week

What is the cheapest airline that flies from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
EVA Airways is one of the cheapest airlines offering connecting flights from Suvarnabhumi Intl. (BKK) to Heathrow (LHR), starting from around $1,713 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
The best airline to fly with from Bangkok (BKK) to London (LHR) will differ from traveler to traveler. If you like to fly early, Thai Airways International offers early morning flights. If price is the most important factor, EVA Airways typically offers the lowest fares. Qatar Airways offers the most daily flights from BKK to LHR, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
The best time to fly from Bangkok (BKK) to London (LHR) is typically in May and June. These months offer average return flight prices around $956, making them a good choice for travelers. May is ideal for enjoying the pleasant spring weather in London, while June marks the start of summer festivities.*Prices based on flights available on Expedia in the last year.
How many flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
You can find approximately 3 nonstop flights per day from Suvarnabhumi Intl. (BKK) to Heathrow (LHR). For more options, look at flights that include layovers.
What is the earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
The earliest flight from Suvarnabhumi International Airport (BKK) to Heathrow Airport (LHR) usually departs at around 12:05 AM. This seasonal service is operated by Thai Airways International, providing a great option for travelers looking to arrive in London early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Bangkok (BKK) to London (LHR) are in the early afternoon, from 12pm to 3pm. About 21% of passengers prefer this time, which is great for those wanting to arrive in London in the evening. Many major carriers, including Swiss International Air Lines, Thai Airways International, and EVA Airways, offer flights during this window.
How long does it take to fly from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
A nonstop flight from BKK to LHR typically takes around 13 hours 30 minutes, covering approximately 5,951 miles. Connecting flights on this route usually add 3 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
Business class seats are offered on the BKK to LHR route. Airlines that offer business class service on this route include:

  • Air China
  • Lufthansa
  • Qatar Airways
  • Air India
  • Emirates
  • Gulf Air
  • Etihad Airways
  • Turkish Airlines
  • Austrian Airlines
  • Finnair

First class cabins are available on:

  • Lufthansa
  • Swiss International Air Lines
  • Qatar Airways
  • Emirates
  • Thai Airways International
  • Kuwait Airways
  • Oman Air
  • Etihad Airways

How much is a business class flight from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
A direct, return business class ticket from Bangkok (BKK) to London (LHR) typically costs between $5,965 - $8,047. A non-stop, one-way business class flight is usually around $2,992 - $3,752. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Suvarnabhumi Intl. (BKK)?
When traveling from Suvarnabhumi Intl. (BKK) to London, you can fly into Stansted (STN), Heathrow (LHR), Gatwick (LGW) and London Intl. (YXU). Some flights may connect through major hubs like Kuala Lumpur Intl. (KUL), Indira Gandhi Intl. (DEL), Chhatrapati Shivaji Intl. (BOM) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) London Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow)?
If you booked your Bangkok (BKK-Suvarnabhumi Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Heathrow
Airlines serving
Air India, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, Finnair, Gulf Air, Korean Air, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Saudia, SriLankan Airlines, Swiss International Air Lines, Thai Airways International, Vietnam Airlines
Roundtrip price
$662
Distance
5950 mi
Average flight time
6 hours 31 mins

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*Flight schedules are subject to change.

*Available to One Key members.

 

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