Bangkok: Wat Arun temple on the Chao Phraya River at golden hour with a long-tail boat on the water (AI-generated image)

Round-trip fares we found

London to Bangkok flights

Return fares from London (LON) to Bangkok (BKK) from our own fare checks. Compare the dates, then confirm the final price with our travel partner.

Nonstop both ways

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24 date options

Prices are in GBP per person, round trip. Pick your dates and go straight to the flight search.

Your selected fare15 nights away64% below

Norse Atlantic UK

Outbound

6 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

21 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:44 UTC.

Last checked: 63.93% below direct-fare median

Direct-fare comparison median £1,389.00 · sample average £1,304.83.

Comparison dated 2026-11-09 · 18 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,299.00 · lowest observed £484.00 across 23 observation days.

Travel window: approximately one month ahead.

£501.00per person · round trip
See Fare

Cached price checked

More dates to explore15 nights away55% below

THAI Airways

Outbound

7 Dec 2026

LON to BKK

Nonstop · 11h 25m
Return

22 Dec 2026

BKK to LON

Nonstop · 13h 10m

Airports: LHR to BKK

24h 35m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:41 UTC.

Last checked: 55% below direct-fare median

Direct-fare comparison median £1,389.00 · sample average £1,297.94.

Comparison dated 2026-11-09 · 18 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,299.00 · lowest observed £484.00 across 23 observation days.

Travel window: approximately one month ahead.

£625.00per person · round trip
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Cached price checked

More dates to explore10 nights away45% below

China Southern Airlines

Outbound

22 Feb 2027

LON to BKK

1 stop · 14h 50m
Return

4 Mar 2027

BKK to LON

1 stop · 16h 10m

Airports: LHR to BKK

37h 40m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:42 UTC.

Last checked: 45.49% below direct-fare median

Direct-fare comparison median £798.00 · sample average £790.12.

Comparison dated 2026-11-09 · 16 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £476.00 · lowest observed £402.00 across 20 observation days.

Observed direct reference: 11h 25m outbound / 12h 15m return. This fare uses up to 1.32× the reference journey time.

Connection lengths and transfer arrangements are not provided by this source. Review them before booking.

Travel window: approximately three months ahead.

£435.00per person · round trip
See Fare

Cached price checked

More dates to explore19 nights away38% below

Norse Atlantic UK

Outbound

9 Mar 2027

LON to BKK

Nonstop · 11h 40m
Return

28 Mar 2027

BKK to LON

Nonstop · 12h 15m

Airports: LGW to BKK

23h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:42 UTC.

Last checked: 38.05% below direct-fare median

Direct-fare comparison median £721.50 · sample average £769.25.

Comparison dated 2026-11-09 · 20 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £746.00 · lowest observed £373.00 across 10 observation days.

Travel window: approximately four months ahead.

£447.00per person · round trip
See Fare

Cached price checked

More dates to explore13 nights away36% below

A1

Outbound

4 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

17 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:40 UTC.

Last checked: 35.62% below direct-fare median

Direct-fare comparison median £730.00 · sample average £720.90.

Comparison dated 2026-11-09 · 10 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £710.00 · lowest observed £427.00 across 16 observation days.

Travel window: approximately one month ahead.

£470.00per person · round trip
See Fare

Cached price checked

More dates to explore11 nights away34% below

A1

Outbound

21 Feb 2027

LON to BKK

Nonstop · 11h 40m
Return

4 Mar 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:39 UTC.

Last checked: 34.27% below direct-fare median

Direct-fare comparison median £818.50 · sample average £808.25.

Comparison dated 2026-11-09 · 16 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £809.00 · lowest observed £474.00 across 21 observation days.

Travel window: approximately three months ahead.

£538.00per person · round trip
See Fare

Cached price checked

More dates to explore14 nights away27% below

A1

Outbound

27 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

10 Jan 2027

BKK to LON

Nonstop · 13h 35m

Airports: LGW to BKK

25h 15m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:37 UTC.

Last checked: 26.59% below direct-fare median

Direct-fare comparison median £1,600.50 · sample average £1,551.30.

Comparison dated 2026-11-09 · 10 comparable date pairs · medium confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,554.00 · lowest observed £938.00 across 9 observation days.

Travel window: approximately two months ahead.

£1,175.00per person · round trip
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Cached price checked

More dates to explore7 nights away25% below

Norse Atlantic UK

Outbound

8 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

15 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:40 UTC.

Last checked: 24.63% below direct-fare median

Direct-fare comparison median £812.00 · sample average £837.88.

Comparison dated 2026-11-09 · 8 comparable date pairs · medium confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £793.00 · lowest observed £480.00 across 10 observation days.

Travel window: approximately one month ahead.

£612.00per person · round trip
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Cached price checked

More dates to explore15 nights away24% below

Norse Atlantic UK

Outbound

27 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

11 Jan 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:43 UTC.

Last checked: 24.04% below direct-fare median

Direct-fare comparison median £1,327.00 · sample average £1,376.56.

Comparison dated 2026-11-09 · 27 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,317.50 · lowest observed £785.00 across 26 observation days.

Travel window: approximately two months ahead.

£1,008.00per person · round trip
See Fare

Cached price checked

More dates to explore19 nights away24% below

Norse Atlantic UK

Outbound

10 Mar 2027

LON to BKK

Nonstop · 11h 40m
Return

29 Mar 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:41 UTC.

Last checked: 23.88% below direct-fare median

Direct-fare comparison median £747.50 · sample average £782.75.

Comparison dated 2026-11-09 · 20 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £746.00 · lowest observed £373.00 across 10 observation days.

Travel window: approximately four months ahead.

£569.00per person · round trip
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Cached price checked

More dates to explore7 nights away23% below

Norse Atlantic UK

Outbound

20 Dec 2026

LON to BKK

Nonstop · 11h 50m
Return

27 Dec 2026

BKK to LON

Nonstop · 13h 35m

Airports: LGW to BKK

25h 25m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:40 UTC.

Last checked: 22.57% below direct-fare median

Direct-fare comparison median £1,369.00 · sample average £1,388.30.

Comparison dated 2026-11-09 · 23 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,360.50 · lowest observed £837.00 across 17 observation days.

Travel window: approximately one month ahead.

£1,060.00per person · round trip
See Fare

Cached price checked

More dates to explore10 nights away22% below

Norse Atlantic UK

Outbound

28 Dec 2026

LON to BKK

Nonstop · 11h 45m
Return

7 Jan 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

25h total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:44 UTC.

Last checked: 21.99% below direct-fare median

Direct-fare comparison median £1,546.00 · sample average £1,567.05.

Comparison dated 2026-11-09 · 21 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,539.50 · lowest observed £1,144.00 across 19 observation days.

Travel window: approximately two months ahead.

£1,206.00per person · round trip
See Fare

Cached price checked

More dates to explore8 nights away16% below

Norse Atlantic UK

Outbound

21 Dec 2026

LON to BKK

Nonstop · 11h 45m
Return

29 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

25h total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:43 UTC.

Last checked: 16% below direct-fare median

Direct-fare comparison median £1,369.00 · sample average £1,378.22.

Comparison dated 2026-11-09 · 23 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,360.50 · lowest observed £837.00 across 17 observation days.

Travel window: approximately one month ahead.

£1,150.00per person · round trip
See Fare

Cached price checked

More dates to explore6 nights away15% below

Norse Atlantic UK

Outbound

30 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

5 Jan 2027

BKK to LON

Nonstop · 13h 10m

Airports: LGW to BKK

24h 50m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:44 UTC.

Last checked: 14.68% below direct-fare median

Direct-fare comparison median £1,369.00 · sample average £1,383.61.

Comparison dated 2026-11-09 · 23 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,360.50 · lowest observed £837.00 across 17 observation days.

Travel window: approximately two months ahead.

£1,168.00per person · round trip
See Fare

Cached price checked

More dates to explore6 nights away14% below

Norse Atlantic UK

Outbound

18 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

24 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:40 UTC.

Last checked: 13.67% below direct-fare median

Direct-fare comparison median £1,346.00 · sample average £1,358.20.

Comparison dated 2026-11-09 · 5 comparable date pairs · medium confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,282.50 · lowest observed £1,013.00 across 5 observation days.

Travel window: approximately one month ahead.

£1,162.00per person · round trip
See Fare

Cached price checked

More dates to explore6 nights away12% below

THAI Airways

Outbound

7 Dec 2026

LON to BKK

Nonstop · 11h 25m
Return

13 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LHR to BKK

24h 40m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:40 UTC.

Last checked: 11.7% below direct-fare median

Direct-fare comparison median £812.00 · sample average £824.75.

Comparison dated 2026-11-09 · 8 comparable date pairs · medium confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £793.00 · lowest observed £480.00 across 10 observation days.

Travel window: approximately one month ahead.

£717.00per person · round trip
See Fare

Cached price checked

More dates to explore8 nights away11% below

Norse Atlantic UK

Outbound

30 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

7 Jan 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:44 UTC.

Last checked: 10.88% below direct-fare median

Direct-fare comparison median £1,369.00 · sample average £1,381.35.

Comparison dated 2026-11-09 · 23 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,360.50 · lowest observed £837.00 across 17 observation days.

Travel window: approximately two months ahead.

£1,220.00per person · round trip
See Fare

Cached price checked

More dates to explore6 nights away1% below

EVA Air

Outbound

23 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

29 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LHR to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Price checked 2026-11-09 21:42 UTC.

Last checked: 1.41% below direct-fare median

Direct-fare comparison median £1,352.00 · sample average £1,371.61.

Comparison dated 2026-11-09 · 23 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,360.50 · lowest observed £837.00 across 17 observation days.

Travel window: approximately one month ahead.

£1,333.00per person · round trip
See Fare

Cached price checked

More dates to explore20 nights awayRechecking

Norse Atlantic UK

Outbound

3 Mar 2027

LON to BKK

Nonstop · 11h 40m
Return

23 Mar 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Rechecking availability · last seen price.

Last checked: 34.58% below direct-fare median

Direct-fare comparison median £747.50 · sample average £786.70.

Comparison dated 2026-11-09 · 20 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £746.00 · lowest observed £373.00 across 10 observation days.

Travel window: approximately four months ahead.

Last seen from · rechecking£489.00per person · round trip
See Fare

Cached price checked

More dates to explore15 nights awayRechecking

A1

Outbound

6 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

21 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Rechecking availability · last seen price.

Last checked: 64.87% below direct-fare median

Direct-fare comparison median £1,389.00 · sample average £1,313.28.

Comparison dated 2026-11-09 · 18 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,299.00 · lowest observed £484.00 across 23 observation days.

Travel window: approximately one month ahead.

Last seen from · rechecking£488.00per person · round trip
See Fare

Cached price checked

More dates to explore20 nights awayRechecking

A1

Outbound

3 Mar 2027

LON to BKK

Nonstop · 11h 40m
Return

23 Mar 2027

BKK to LON

Nonstop · 13h 15m

Airports: LGW to BKK

24h 55m total return journey · provider duration

Why this fare is worth a look

Rechecking availability · last seen price.

Last checked: 34.45% below direct-fare median

Direct-fare comparison median £747.50 · sample average £786.70.

Comparison dated 2026-11-09 · 20 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £749.00 · lowest observed £373.00 across 10 observation days.

Travel window: approximately four months ahead.

Last seen from · rechecking£490.00per person · round trip
See Fare

Cached price checked

More dates to explore9 nights awayRechecking

Norse Atlantic UK

Outbound

13 Dec 2026

LON to BKK

Nonstop · 11h 40m
Return

22 Dec 2026

BKK to LON

Nonstop · 13h 10m

Airports: LGW to BKK

24h 50m total return journey · provider duration

Why this fare is worth a look

Rechecking availability · last seen price.

Last checked: 14.63% below direct-fare median

Direct-fare comparison median £987.50 · sample average £1,118.88.

Comparison dated 2026-11-09 · 16 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £955.00 · lowest observed £502.00 across 21 observation days.

Travel window: approximately one month ahead.

Last seen from · rechecking£843.00per person · round trip
See Fare

Cached price checked

More dates to explore10 nights awayRechecking

THAI Airways

Outbound

7 Dec 2026

LON to BKK

Nonstop · 11h 25m
Return

17 Dec 2026

BKK to LON

Nonstop · 13h 15m

Airports: LHR to BKK

24h 40m total return journey · provider duration

Why this fare is worth a look

Rechecking availability · last seen price.

Last checked: 13.34% below direct-fare median

Direct-fare comparison median £757.00 · sample average £726.30.

Comparison dated 2026-11-09 · 10 comparable date pairs · high confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £710.00 · lowest observed £427.00 across 16 observation days.

Travel window: approximately one month ahead.

Last seen from · rechecking£656.00per person · round trip
See Fare

Cached price checked

More dates to explore10 nights awayRechecking

THAI Airways

Outbound

31 Dec 2026

LON to BKK

Nonstop · 11h 25m
Return

10 Jan 2027

BKK to LON

Nonstop · 13h 35m

Airports: LHR to BKK

25h total return journey · provider duration

Why this fare is worth a look

Rechecking availability · last seen price.

Last checked: 12.4% below direct-fare median

Direct-fare comparison median £1,600.50 · sample average £1,547.00.

Comparison dated 2026-11-09 · 10 comparable date pairs · medium confidence · FlyMeAsia observation history. Cached prices are indicative; baggage may differ.

30-day comparable median £1,554.00 · lowest observed £938.00 across 8 observation days.

Travel window: approximately two months ahead.

Last seen from · rechecking£1,402.00per person · round trip
See Fare

Cached price checked

Track this trip

From our own fare checks

London to Bangkok prices we have seen

Our fare engine checked this route on 49 days between 21 Sept 2026 and 9 Nov 2026. For each set of dates and stops it keeps the lowest round-trip price: 1,648 fares in all.

JourneyLowestTypicalHighestFlight time out / backFares
Nonstop£373£860£2,41011h 40m / 13h 15m971
With one stop£347£443£1,37315h 10m / 16h677

Typical is the median. Round trip, one adult, economy, stays of 5–21 nights, at most one stop each way. Flight time is the median journey time for each direction, including any connection.

Typical price by departure month

  • November 2026£570from £347 · 353 fares
  • December 2026£1,021from £355 · 562 fares
  • January 2027£731from £366 · 258 fares
  • February 2027£585from £402 · 242 fares
  • March 2027£583from £356 · 111 fares
  • April 2027£730from £487 · 17 fares

November 2026 departures had the lowest typical price in our checks.

Airlines we saw most often

Norse Atlantic UK, EVA Air, Air China, THAI Airways, China Southern Airlines.

Good to know

London to Bangkok fare: questions and answers

What is the cheapest London to Bangkok fare on this page?

£435.00 return for one adult in economy, 22 Feb 2027 to 4 Mar 2027 (10 nights, 1 stop each way). It is a cached price last checked 2026-11-09 21:44 UTC; confirm the final price on the booking site.

Are there nonstop London to Bangkok dates?

Yes: 17 of the 18 date options here are nonstop both ways, from £447.00.

How long are the trips on this page?

Between 6 and 19 nights. Use the stay filters above the dates to narrow them down.

How do I book this fare?

Choose a date and press "See Fare". Our travel partner opens with that route and those dates, and you book with the airline or travel agency you choose. FlyMeAsia does not sell tickets; it may earn a commission.

Before you book

Check passport, visa and health entry rules with the IATA Travel Centre and read the UK Foreign Office travel advice for your destination. Rules change, so check close to your travel date.

Travel guideBangkok travel guideOur notes on where to go, what to eat and how to plan your days in Bangkok.

Indicative cached fares, subject to availability. We may earn a commission through partner links. How this works

Image: FlyMeAsia with ChatGPT · AI-generated image