Find flights
Flight research
Deals
Thai Airways Reviews

Thai Airways flights from Chiang Mai to London Heathrow Airport (CNX - LHR)

CNX — LHR
24 May — 31 May1
1 adult

Cheapflights users flying from Chiang Mai to London on Thai Airways typically fly into London Heathrow and depart from Chiang Mai. Select your dates above for pricing.

Thai Airways flights from Chiang Mai to Heathrow in 2025

Find detailed information about Thai Airways flights from Chiang Mai to Heathrow. Explore the options provided by Thai Airways to plan your journey from Chiang Mai to Heathrow. Data last updated 19 May 2025.

One-way from

฿16,430
Thai Airways
  • Thai Airways
  • 12/8
  • 1 total stop
  • 33h 40m total
  • Chiang Mai to London
Search Deals

Find Thai Airways flight deals from Chiang Mai to Heathrow

Cheapest Thai Airways flights from Chiang Mai to Heathrow
Explore the most affordable Thai Airways flight options available from Chiang Mai to Heathrow. Find the lowest fares with prices last updated on 19 May 2025.

Thu 22/512:20CNX - LHR
1 stop36h 50mThai Airways
Sun 25/512:30LHR - CNX
1 stop21h 45mThai Airways
Deal found 19/5฿35,279

Travel insights for Thai Airways flights from Chiang Mai to Heathrow

Get recent, data-driven insights about Thai Airways flights from Chiang Mai to Heathrow including ideal travel times, pricing trends, and more.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Best time to book a flight from Chiang Mai to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Chiang Mai with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

See what others are saying about Thai Airways

Read reviews and see what other travellers are saying about their experiences with Thai Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Thai Airways for your next flight. Reviews last updated 19 May 2025.
Thai Airways
7.7
Good
331 reviews
Check prices
Overview

Boarding

7.8

Food

7.3

Comfort

7.5

Entertainment

6.8

Crew

8.3

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights