BKK - LHR

C$ 377 Find Cheap Flights from Bangkok to London – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 1,077
Typical prices: C$ 1,220-C$ 1,648
Shenzhen Airlines
Mon 12/3Sat 26/5
BKK - LHR • 1 stop
Cheapest direct flights
C$ 1,510
Typical prices: C$ 1,535-C$ 1,771
Thai Airways
Mon 19/11Fri 30/11
BKK - LHR • Direct
Direct flights
Every day
You can fly direct with Thai Airways and EVA Air. Average duration is 13h 19m
Direct flights
+1
Direct flights
+1
Avoid delays
Thai Airways
Most punctual • 90% on-time
Night
Best time • Fewest delays
Insights
Insights
When to book
12 weeks
in advance
Our data shows that travellers who book at least 12 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 16% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Stockholm Arlanda (ARN)
Cheapest • Avg C$ 896 (round-trip)
Vienna Intl (VIE)
Shortest trip • 14h 13m (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

Fri, 12 Mar - Fri, 28 May
Shenzhen Airlines Logo
2:20 a.m. - 7:10 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
23h 50m1 stop Shenzhen
Shenzhen Airlines Logo
10:05 p.m. - 11:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
31h 05m1 stop Shenzhen
C$ 1,077Shenzhen Airlines
1 day ago
Sat, 8 May - Mon, 24 May
Shenzhen Airlines Logo
7:15 p.m. - 8:00 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
30h 45m1 stop Shenzhen
Shenzhen Airlines Logo
10:05 p.m. - 11:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
31h 05m1 stop Shenzhen
C$ 1,084Shenzhen Airlines
3+ days ago
Sun, 2 May - Wed, 19 May
Shenzhen Airlines Logo
7:15 p.m. - 7:50 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
30h 35m1 stop Shenzhen
Shenzhen Airlines Logo
10:05 p.m. - 2:15 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
22h 10m1 stop Shenzhen
C$ 1,085Shenzhen Airlines
1 day ago
Mon, 1 Mar - Mon, 15 Mar
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$ 1,088Shenzhen Airlines
1 day ago
Sun, 17 Jan - Wed, 17 Feb
Shenzhen Airlines Logo
12:10 p.m. - 7:10 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
38h 00m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 11:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
31h 00m1 stop Shenzhen
C$ 1,091Shenzhen Airlines
3+ days ago
Sun, 2 May - Sun, 2 May
Air India Logo
8:05 a.m. - 7:00 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
16h 55m1 stop New Delhi Indira Gandhi Intl
Air India Logo
9:05 p.m. - 7:35 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
16h 30m1 stop Mumbai Chhatrapati Shivaji Intl
C$ 1,093Air India
3+ days ago
Sat, 12 Dec - Thu, 31 Dec
Shenzhen Airlines Logo
6:10 p.m. - 7:10 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
32h 00m1 stop Shenzhen
Shenzhen Airlines Logo
10:30 p.m. - 5:05 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
35h 35m1 stop Shenzhen
C$ 1,098Shenzhen Airlines
13 hours ago
Thu, 19 Nov - Mon, 30 Nov
Multiple Airlines Logo
2:25 a.m. - 2:30 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
19h 05m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
6:00 a.m. - 11:35 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
22h 35m2 stops Zurich Abu Dhabi Zayed Intl
C$ 1,106Multiple Airlines
2 days ago
Sat, 5 Dec - Fri, 18 Dec
Shenzhen Airlines Logo
6:10 p.m. - 7:10 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
32h 00m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 1:20 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
21h 10m1 stop Shenzhen
C$ 1,109Shenzhen Airlines
2 days ago
Sun, 6 Dec - Mon, 4 Jan
Shenzhen Airlines Logo
6:10 p.m. - 7:10 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
32h 00m1 stop Shenzhen
Shenzhen Airlines Logo
9:10 p.m. - 5:05 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
36h 55m1 stop Shenzhen
C$ 1,112Shenzhen Airlines
3+ days ago
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 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 typically range from C$ 1,220 to C$ 1,648. The lowest price found in the past 5 days was C$ 1,077, on Shenzhen Airlines.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport. It's 5% cheaper than the average day, while Saturday is the most expensive, with prices 5% higher.

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$ 1,237 round-trip.
•July (C$ 1,587) and August (C$ 1,582) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 28% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport are cheapest 12 weeks before departure. Booking in this window typically costs about 13% 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$ 423
Beat the crowds with an average 42% drop in traveller numbers.
The most popular month to fly with an average 48% increase in traveller numbers.
One-way flight 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • 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 1:44 pm
    • Latest: departs at 1:20 pm and lands at 2:39 am.

    The flight takes about 13h 19m.

  • 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 19m, 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$ 1,220 to C$ 1,648, with an average of C$ 1,478 over the past 12 months. Anything below C$ 1,220 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 two weeks of departure) run 4% above the C$ 1,478 route average. Book 12 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$ 896 round-trip via Stockholm Arlanda (ARN), compared to C$ 1,617 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$ 103–C$ 141 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$ 446, which is 36% 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 averaging C$ 55 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Rentacar

  • 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).

  • What time of day has the fewest delays on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • 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, 11% of flights were delayed in the past three months, with delays averaging 1h 35m.

  • 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) – 29% of one-stop connections
    • Muscat Seeb (MCT) – 17% of one-stop connections
    • Doha Hamad Intl (DOH) – 16% of one-stop connections
    • Dubai Intl (DXB) – 12% of one-stop connections

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

    Yes. Flexible dates can save you up to 9% on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport. Tuesday is the cheapest departure day at C$ 1,418 round-trip on average, while Saturday is the most expensive at C$ 1,552, a difference of C$ 134.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly 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 13m, compared with 14h 36m via Zurich (ZRH) and 15h 27m via Munich Franz Josef Strauss (MUC).

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

    London Heathrow Airport is 7 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; offers free seat selection

    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

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always 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 and avoid flying on Saturday. On this route, Tuesday flights average C$ 1,418, about C$ 134 less than Saturday fares (9% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 13% 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$ 1,237 round-trip in that month – typically C$ 350 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 90% of Thai Airways flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 1h 35m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • 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$ 896 round-trip on this route – about C$ 721 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