BKK - LHR

C$ 454 Find Cheap Flights from Bangkok to London – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 1,094
Typical prices: C$ 1,214-C$ 1,622
Kuwait Airways
Sun 21/1Mon 12/2
BKK - LHR • 1 stop
Cheapest direct flights
C$ 1,687
Typical prices: C$ 1,461-C$ 1,740
Thai Airways
Mon 22/1Mon 12/2
BKK - LHR • Direct
Direct flights
Every day
You can fly direct with Thai Airways and EVA Air. Average duration is 13h 06m
Direct flights
+1
Direct flights
+1
Avoid delays
Thai Airways
Most punctual • 91% on-time
Night
Best time • Fewest delays
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 10% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Stockholm Arlanda (ARN)
Cheapest • Avg C$ 892 (round-trip)
Vienna Intl (VIE)
Shortest trip • 14h 15m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Bangkok to London (BKK-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bangkok to London

Thu, 21 Jan - Fri, 12 Feb
Kuwait Airways Logo
3:00 a.m. - 1:45 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
17h 45m1 stop Kuwait City
Kuwait Airways Logo
10:45 a.m. - 10:05 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
16h 20m1 stop Kuwait City
C$ 1,094Kuwait Airways
Wed, 11 Nov - Sun, 15 Nov
Shenzhen Airlines Logo
6:10 p.m. - 8:30 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
33h 20m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 1:20 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
21h 10m1 stop Shenzhen
C$ 1,120Shenzhen Airlines
Mon, 2 Nov - Fri, 27 Nov
Shenzhen Airlines Logo
5:55 p.m. - 8:30 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
33h 35m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 4:55 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
36h 45m1 stop Shenzhen
C$ 1,121Shenzhen Airlines
Wed, 11 Nov - Sun, 15 Nov
Shenzhen Airlines Logo
5:55 p.m. - 8:30 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
33h 35m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 1:20 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
21h 10m1 stop Shenzhen
C$ 1,122Shenzhen Airlines
Fri, 6 Nov - Mon, 23 Nov
Oman Air Logo
9:00 a.m. - 6:25 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
16h 25m1 stop Muscat Seeb
Oman Air Logo
8:05 p.m. - 5:15 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
14h 10m1 stop Muscat Seeb
C$ 1,124Oman Air
Wed, 11 Nov - Sun, 15 Nov
Shenzhen Airlines Logo
5:55 p.m. - 8:30 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
33h 35m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 1:20 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
21h 10m1 stop Shenzhen
C$ 1,127Shenzhen Airlines
Fri, 6 Nov - Sun, 22 Nov
Oman Air Logo
7:10 p.m. - 5:55 a.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
17h 45m1 stop Muscat Seeb
Oman Air Logo
8:05 p.m. - 5:15 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
14h 10m1 stop Muscat Seeb
C$ 1,128Oman Air
Wed, 2 Dec - Fri, 5 Feb
Oman Air Logo
7:10 p.m. - 6:25 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
30h 15m1 stop Muscat Seeb
Oman Air Logo
8:05 p.m. - 7:55 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
16h 50m1 stop Muscat Seeb
C$ 1,134Oman Air
Wed, 2 Dec - Fri, 5 Feb
Oman Air Logo
9:00 a.m. - 6:25 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
16h 25m1 stop Muscat Seeb
Oman Air Logo
8:05 p.m. - 6:45 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
27h 40m1 stop Muscat Seeb
C$ 1,135Oman Air
Sat, 13 Feb - Wed, 17 Mar
Kuwait Airways Logo
2:25 a.m. - 1:45 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
18h 20m1 stop Kuwait City
Kuwait Airways Logo
10:45 a.m. - 10:30 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
16h 45m1 stop Kuwait City
C$ 1,143Kuwait Airways
Booking Insights

Price, demand, and travel trends for Bangkok Suvarnabhumi Airport to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport with more confidence.

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Round-trip flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport start at C$ 1,094. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 1,214 to C$ 1,622. The lowest price found in the past 5 days was C$ 1,094 on Kuwait Airways.

What's the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Tuesday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport and is 4% cheaper than the average day. Saturday is the most expensive day with flight prices 3% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

•February is the cheapest month to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport at C$ 1,292 round-trip.
•July (C$ 1,586) and August (C$ 1,585) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 22% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Bangkok Suvarnabhumi Airport to London Heathrow Airport the cheapest?

Flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport are cheapest 5 weeks before departure. Booking in this window typically costs about 11% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Bangkok to London

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on BKK and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more

Key details for Bangkok Suvarnabhumi Airport to London Heathrow Airport flights

Low season

February

Cheapest flight

C$ 454
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport

When to book flights from Bangkok to London

Are your dates flexible? Find out the best times to travel from Bangkok to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Bangkok Suvarnabhumi Airport to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to London Heathrow Airport:

    • Earliest: departs at 12:25 am and lands at 1:31 pm
    • Latest: departs at 1:20 pm and lands at 2:26 am.

    The flight takes about 13h 06m.

  • Which cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Two cabin classes are available on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport:

    • Economy Class
    • Premium Economy Class

  • How long does a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport take?

    A direct flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport takes 13h 06m, covering 15,402 km.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Bangkok Suvarnabhumi Airport to London Heathrow Airport flight?

    Round-trip flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport range from C$ 1,214 to C$ 1,622, with an average of C$ 1,434 over the past 12 months. Anything below C$ 1,214 counts as a good deal.

  • How expensive are last-minute Bangkok Suvarnabhumi Airport to London Heathrow Airport flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 5% above the route average of C$ 1,434. Book 5 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 892 round-trip via Stockholm Arlanda (ARN), compared to C$ 1,593 for direct.

  • What is the standard checked bag allowance on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 97–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    The Boeing 777-300ER family is used most often on this route, operated mainly by Thai Airways and EVA Air. Other aircraft seen on the route include Boeing 777 variants.

  • How are flight departures from Bangkok Suvarnabhumi Airport to London Heathrow Airport spread across the day?

    Afternoon is the busiest departure period on Bangkok Suvarnabhumi Airport to London Heathrow Airport flights, with 66% leaving in that window. Night departures account for 33%, Morning flights for 1%, and Evening flights for 0%.

  • How are flight prices from Bangkok Suvarnabhumi Airport to London Heathrow Airport looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about C$ 480, which is 31% below the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport usually depart from Bangkok Suvarnabhumi (BKK) and arrive at London Heathrow (LHR).

  • How do delay rates compare for morning and evening flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • At what point is a flight considered delayed on the route from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Suvarnabhumi Airport to London Heathrow Airport route, 10% of flights were delayed in the past 3 months, with delays averaging 1 hour 36 minutes.

  • Which airports do connecting flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport pass through?

    One-stop flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport most commonly connect through:

    • Abu Dhabi Zayed Intl (AUH) – 27% of one-stop connections
    • Dubai Intl (DXB) – 15% of one-stop connections
    • Doha Hamad Intl (DOH) – 15% of one-stop connections
    • Muscat Seeb (MCT) – 12% of one-stop connections

    Abu Dhabi Zayed Intl (AUH) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 6% on the Bangkok Suvarnabhumi Airport to London Heathrow Airport route. Tuesday is the cheapest departure day at C$ 1,389 round-trip on average, while Saturday is the most expensive at C$ 1,478, a difference of C$ 88. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines are available on the route from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    2 airlines operate flights between Bangkok Suvarnabhumi Airport and London Heathrow Airport. The airlines offering direct flights on this route include:

    • Thai Airways
    • EVA Air

  • How much time can I save by choosing a different layover airport when travelling from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time at 14h 15m, compared with 14h 40m via Zurich (ZRH) and 15h 18m via Munich Franz Josef Strauss (MUC).

  • What is the time difference between Bangkok Suvarnabhumi Airport and London Heathrow Airport?

    London Heathrow Airport is 6 hours behind Bangkok Suvarnabhumi Airport (British Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Trafalgar Square, Hyde Park, and London Eye. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Bangkok Suvarnabhumi Airport to London Heathrow Airport flights?

    Among airlines operating Bangkok Suvarnabhumi Airport to London Heathrow Airport flights:

    • Thai Airways: offers free seat selection
    • EVA Air: offers extra legroom

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Bangkok Suvarnabhumi Airport to London Heathrow Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Thai Airways: a carry-on bag and a checked bag in Economy Class
    • EVA Air: a carry-on bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Your guide to booking Bangkok Suvarnabhumi Airport to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average C$ 1,389 – about C$ 88 less than Saturday (6% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 11% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to London Heathrow Airport trip for February. Fares historically average C$ 1,292 round-trip in that month – typically C$ 294 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Thai Airways is the strongest pick on this route. 91% of Thai Airways flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 90%. When flights on this route do arrive late, the average delay is 1 hour36 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Stockholm Arlanda Airport (ARN) can be cheaper than flying direct. The cheapest layover option averages C$ 892 round-trip on this route – about C$ 700 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport

Prefer to fly direct from Bangkok to London?

 
Find which airlines fly direct from Bangkok Suvarnabhumi Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Bangkok Suvarnabhumi to London Heathrow

Monday

EVA Air,Thai Airways

EVA Air,Thai Airways

Tuesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Wednesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Thursday

EVA Air,Thai Airways

EVA Air,Thai Airways

Friday

EVA Air,Thai Airways

EVA Air,Thai Airways

Saturday

EVA Air,Thai Airways

EVA Air,Thai Airways

Sunday

EVA Air,Thai Airways

EVA Air,Thai Airways

See more nonstop flights

Direct returns

London Heathrow to Bangkok Suvarnabhumi

Monday

EVA Air,Thai Airways

EVA Air,Thai Airways

Tuesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Wednesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Thursday

EVA Air,Thai Airways

EVA Air,Thai Airways

Friday

EVA Air,Thai Airways

EVA Air,Thai Airways

Saturday

EVA Air,Thai Airways

EVA Air,Thai Airways

Sunday

EVA Air,Thai Airways

EVA Air,Thai Airways

See more nonstop flights

More options for your flight from Bangkok to London

Complete your trip to London with a hotel stay or car rental

Car rentals in London
Hotels in London
Vacations in London