Smart Travel Bot suggests the following times to book your flight for London Heathrow Airport (LHR) to Suvarnabhumi Airport (BKK)
Smart Travel Bot suggests the following destination from London Heathrow Airport (LHR) that are affordable (when booking 3 months ahead) based on the current flight price data
| 1. |  |
Dublin (DUB - IE) | -2.4% | ~103.05 USD |
|---|---|---|---|---|
| 2. |  |
Berlin (SXF - DE) | -2.02% | ~279.81 USD |
| 3. | |
Berlin (SXF - DE) | -2.02% | ~279.81 USD |
| 4. | |
Munich (MUC - DE) | 0.83% | ~167.18 USD |
| 5. |  |
Paris (CDG - FR) | 1.61% | ~109.91 USD |
| 6. | |
Paris (ORY - FR) | 1.82% | ~108.28 USD |
| 7. | |
Frankfurt am Main (FRA - DE) | 2.81% | ~164.93 USD |
| 8. |  |
Honolulu (HNL - US) | 4.95% | ~1377.82 USD |
| 9. |  |
London (LGW - GB) | 5.98% | ~87.94 USD |
| 10. |  |
Melbourne (MEL - AU) | 6.08% | ~1250.79 USD |
Smart Travel Bot suggests these destinations based on the current flight price data
| 1. | |
London (LGW - GB) | ~87.94 USD |
|---|---|---|---|
| 2. | |
Dublin (DUB - IE) | ~103.05 USD |
| 3. | |
Paris (ORY - FR) | ~108.28 USD |
| 4. | |
Paris (CDG - FR) | ~109.91 USD |
| 5. |  |
Milan (LIN - IT) | ~153.13 USD |
| 6. | |
Frankfurt am Main (FRA - DE) | ~164.93 USD |
| 7. | |
Munich (MUC - DE) | ~167.18 USD |
| 8. |  |
Madrid (MAD - ES) | ~173.25 USD |
| 9. | |
Rome (CIA - IT) | ~185.27 USD |
| 10. |  |
Athens (ATH - GR) | ~208.05 USD |
| 11. |  |
Porto (OPO - PT) | ~231.09 USD |
| 12. | |
Berlin (SXF - DE) | ~279.81 USD |
| 13. | |
Berlin (SXF - DE) | ~279.81 USD |
| 14. |  |
Dubai (DXB - AE) | ~571.57 USD |
| 15. | |
New York (JFK - US) | ~678.22 USD |
| 16. | |
Newark (EWR - US) | ~687.18 USD |
| 17. |  |
New Delhi (DEL - IN) | ~688.95 USD |
| 18. |  |
Toronto (YYZ - CA) | ~689.18 USD |
| 19. | |
Mumbai (BOM - IN) | ~693.33 USD |
| 20. | |
New York (LGA - US) | ~719.26 USD |
When are the Best Times to Book Flights for London to Bangkok?
Based on the latest data, the best months to book a round-trip are Mar 2026, Nov 2025, Feb 2026. Generally speaking, booking on Wed, Sun, Thu are the cheapest days during the week to book.
Check out the calendar below to see the average round-trip prices for specific days:
Approximate Average Round-Trip Prices:
~641.17 USD
~743.73 USD
~948.08 USD
LHR_BKK_2025-05-21T00_00_00
Overview
Route:
London Heathrow Airport (LHR)
to
Suvarnabhumi Airport (BKK)
to
Suvarnabhumi Airport (BKK)
Approximate Direct Flight Time:
11 hr and 53 min
Approximate Distance:
9570.75 km (5947.27 mi)