$732 Cheap Thai Airways International flights from London to Bangkok (LHR to BKK)

Find The Best Day To Fly from London to Bangkok

Amazing Thai Airways International LHR to BKK Flight Deals

The cheapest flights to Suvarnabhumi Intl. found within the past 7 days were $921 round trip and $732 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Oct 3 - Wed, Oct 8
LHR
London
BKK
Bangkok
$921 Roundtrip, found 6 days ago
$921
Roundtrip
found 6 days ago
Select Thai Airways International flight, departing Fri, Oct 3 from London to Bangkok, returning Wed, Oct 8, priced at $921 found 6 days ago

BKK From LHR Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Hotel Clover Asoke

Hotel Clover Asoke

4 out of 5
per person
Jul 15 - Jul 19
found 22 hours ago
Roundtrip non-stop flight included
London (LON) to Bangkok (BKK)
lebua at State Tower

lebua at State Tower

5 out of 5
per person
Aug 3 - Aug 9
found 9 hours ago
Roundtrip non-stop flight included
London (LON) to Bangkok (BKK)
Centre Point Plus Hotel Silom

Centre Point Plus Hotel Silom

4 out of 5
per person
Jul 15 - Jul 19
found 22 hours ago
Roundtrip non-stop flight included
London (LON) to Bangkok (BKK)
Don't see what you're looking for?
See all available trips from Heathrow to Suvarnabhumi Intl.
View all trips

Frequently asked questions

Can I catch a flight from Heathrow Airport (LHR) to Suvarnabhumi Airport right now?
For any present Suvarnabhumi Airport travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught out.
What terminal is Thai Airways International at London Heathrow?
If you're flying with Thai Airways International from LHR, you'll usually be boarding from terminal 2. If you're heading to Suvarnabhumi Airport from here, you're most likely to be pulling in at the main terminal.
Are there Thai Airways International non-stop flights from LHR to BKK?
With Thai Airways International offering nonstop flights from London Heathrow to Suvarnabhumi Intl. Airport (BKK), your next exciting adventure is a plane ride away. Say goodbye to the hassle and baggage diversions that are often associated with stopovers, and secure your seat today.
How long is a Thai Airways International flight from LHR to BKK?
If you're heading from London Heathrow to BKK with Thai Airways International, sit back and make yourself comfortable. This flight takes around 11 hours and 55 minutes, so try to get some sleep to reduce the impact of jet lag.
What type of aircraft does Thai Airways International fly from LHR to BKK?
If you're on your way from LHR to BKK with Thai Airways International, you'll likely be cruising the skies on the Boeing 777-300ER.
How many direct and indirect flights does Thai Airways International fly from LHR to BKK?
Around 10 Thai Airways International flights link LHR and BKK per week.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Bangkok Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Thai Airways International flight from London LHR to Bangkok BKK 

To find the best deals on flights to London from Bangkok with Thai Airways International, just enter your travel dates, filter by Thai Airways International, and hit search. You’ll find 3 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from London LHR to Bangkok BKK with Thai Airways International 

If you’re planning a round trip, booking return flights with Thai Airways International is usually the most cost-effective option. With airfares ranging from $921 to $921, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Thai Airways International flights from London LHR to Bangkok BKK 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Thai Airways International flight from London to Bangkok costs from $732. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Bangkok BKK from  London LHR with Thai Airways International 

To find a cheap Thai Airways International flight from London LHR to Bangkok BKK, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Thai Airways International flights from London LHR to Bangkok BKK 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from London LHR to Bangkok BKK with Thai Airways International 

If you’re keen to be on Bangkok soil fast, don’t waste time with a stopover—filter your search results to show direct Thai Airways International flights only. The journey takes around 23 hour(s) 30 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Thai Airways International flights from London LHR to Bangkok BKK 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Bangkok BKK from  London LHR with Thai Airways International on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Thai Airways International Airports
Hop on a(n) Thai Airways International flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
HNDJPNHaneda10
BKKTHASuvarnabhumi Intl.4
FUKJPNFukuoka3
NRTJPNNarita Intl.3
NGOJPNChubu Centrair Intl.3
LAXUSALos Angeles Intl.3
TPETWNTaoyuan Intl.3
ICNKORIncheon Intl.3
KIXJPNKansai Intl.2
CPHDNKKastrup2

Travelers ❤️ these 🏨 after their flight to Bangkok

Hyatt Regency Bangkok Suvarnabhumi Airport
Hyatt Regency Bangkok Suvarnabhumi Airport
4.5 out of 5
999 Suvarnabhumi Airport Hotel, Moo 1 Nongprue, Bang Phli, Samut Prakan
A full-service spa, 4 restaurants, and an outdoor pool are all featured at this luxury hotel. There's fun for all ages with a children's pool and a playground, ...
8.2/10 Very Good! (353 reviews)
"Nothing special. Building looked nice but rooms are a bit dated. Staff were friendly. Ok if you just need a night close to the airport, otherwise better off booking a place in the city"

Reviewed on Jun 14, 2025

Hyatt Regency Bangkok Suvarnabhumi Airport
Grande Centre Point Hotel Terminal 21
Grande Centre Point Hotel Terminal 21
5 out of 5
2, Sukhumvit Soi 19 (Wattana), Sukhumvit Rd., Klongtoey Nua, Bangkok, Bangkok
A full-service spa, an outdoor pool, and a restaurant are all featured at this luxury hotel. There's fun for all ages with a free kid's club and mini golf, and ...
9.2/10 Wonderful! (2,155 reviews)
"Great place. Great customer service. Pool was very nice. The breakfast was really good. They had bacon every day. Very good location next to the mall and the BTS. Will definitely stay there next time."

Reviewed on Jun 17, 2025

Grande Centre Point Hotel Terminal 21
Carlton Hotel Bangkok Sukhumvit
Carlton Hotel Bangkok Sukhumvit
5 out of 5
491 Sukhumvit Rd, Khlongtoey Nua, Wattana, Bangkok
A full-service spa, 2 restaurants, and an outdoor pool are all featured at this luxury hotel. Traveling on business? Take advantage of the free WiFi in public ...
9.6/10 Exceptional! (1,304 reviews)
"Excellent hotel and service. Very clean. Service was perfect"

Reviewed on Jun 18, 2025

Carlton Hotel Bangkok Sukhumvit
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.