Chiang Mai to London (CNX–LHR) — Airlines, Schedules & Connections

CNX Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 13 1-stop flights
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BKK Bangkok 14h 40m AYBABR ACBRTG Bangkok (BKK) to London flights
SIN Singapore 18h SQTR ACAVBA Singapore (SIN) to London flights
HKG Hong Kong 18h 17m CXUO BACX Hong Kong (HKG) to London flights
KUL Sepang 19h 55m AKMHQR ATBAFY Sepang (KUL) to London flights
ICN Seoul 20h 45m 7CBXLJ KEOZVS Seoul (ICN) to London flights
TPE Taoyuan 22h 27m BRCIFD CI Taoyuan (TPE) to London flights
PEK Beijing 23h 44m CA CA Beijing (PEK) to London flights
CAN Guangzhou (Huadu) 27h 17m 9CCZ CZ Guangzhou (Huadu) (CAN) to London flights
XIY Xianyang (Weicheng) 28h 20m 9C GS Xianyang (Weicheng) (XIY) to London flights
HAN Hanoi (Soc Son) 33h 2m FD K6VN Hanoi (Soc Son) (HAN) to London flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Chiang Mai to London
Connecting service available through multiple hubs.
-6h behind

While no nonstop service exists between CNX and LHR, 1-stop connecting options are available.

Connection Landscape

1-stop and 2-stop options for CNX to LHR.
1-STOP
One-Stop Connections
13
Hubs
~14h
Fastest
~37h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
761
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
-6h
London is 6 hours behind Chiang Mai.
CNX: +07 · LHR: BST

When it's 6:00 PM in Chiang Mai, it's 12:00 PM in London.
Visa & Entry

Thai passport holders need a Standard Visitor Visa to enter the UK. Apply online through the UK government portal and attend a biometrics appointment at a visa application center in Bangkok. The visa is valid for up to 6 months per visit. Required documents include proof of funds, accommodation details, a return ticket, and evidence of ties to Thailand. The fee is GBP 115. Processing takes up to 3 weeks. Passport must be valid for the duration of the stay.

Getting from LHR

Heathrow Express runs every 15 minutes to Paddington (15 min, £25). Piccadilly line is slower (50–60 min) but £5.50 with Oyster. National Express coaches serve all terminals from Victoria (60–90 min, £6–10). Black cabs cost £50–90 to central London depending on traffic and time of day.

London Climate

Mild maritime climate. Summers average 18–23°C with long daylight hours. Winters are 2–7°C, rarely below freezing. Rain is frequent year-round but rarely heavy. Pack layers and a waterproof jacket regardless of season. Fog can disrupt flights November through February.

CNX–LHR Quick Facts

Key statistics for the Chiang Mai to London route.
Route details
Time difference-6 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: CNX
IATA / ICAOCNX / VTCC
TimezoneAsia/Bangkok
Passengers/yr9.0M
Elevation1,036 ft / 316 m
Destination: LHR
IATA / ICAOLHR / EGLL
TimezoneEurope/London
Passengers/yr83.9M
Elevation83 ft / 25 m

Frequently Asked Questions

Common questions about CNX to LHR flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Suvarnabhumi, Singapore Changi and Hong Kong.
London is 6 hours behind Chiang Mai.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Suvarnabhumi, Singapore Changi and Hong Kong. Two-stop connections are also available via intermediate hubs.