Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to London from ฿12,555

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
24 May — 31 May1
1 adult

Cheap flight deals from Chiang Mai to London

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 May 2025.

Round-trip from

฿30,575

One-way from

฿12,555

Popular in

April

Cheapest in

February

Average price

฿30,178
2/7-9/7
  • 2/7-9/7
  • 4 total stops
  • 61h 35m total
  • Chiang Mai to London
Search Deals
Malaysia Airlines
  • Malaysia Airlines
  • 15/6
  • 1 total stop
  • 34h 00m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿186,061 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿32,337 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Chiang Mai to London

Cheapest flights from Chiang Mai to London
Explore the most affordable flight options available from Chiang Mai to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 May 2025.

Fri 26/1212:25CNX - LHR
1 stop34h 00mMalaysia Airlines
Thu 15/110:25LHR - CNX
1 stop18h 00mMalaysia Airlines
Deal found 19/5฿26,567
Fri 26/1215:35CNX - LGW
1 stop21h 55mChina Eastern
Thu 15/110:30LGW - CNX
2 stops21h 55mChina Eastern
Deal found 19/5฿29,482
Thu 22/523:05CNX - LHR
1 stop27h 25mMultiple Airlines
Sun 25/514:45LHR - CNX
2 stops36h 35mMultiple Airlines
Deal found 18/5฿29,780
Thu 22/508:00CNX - LGW
2 stops37h 10mMultiple Airlines
Sun 25/519:00LGW - CNX
2 stops22h 25mMultiple Airlines
Deal found 18/5฿30,310
Thu 22/511:55CNX - LGW
2 stops25h 00mกัลฟ์แอร์
Sun 25/511:25LGW - CNX
2 stops25h 45mกัลฟ์แอร์
Deal found 18/5฿33,159
Wed 2/711:30CNX - LHR
1 stop37h 30mChina Southern
Wed 9/722:10LHR - CNX
1 stop30h 15mChina Southern
Deal found 18/5฿34,252
Thu 22/511:55CNX - LHR
2 stops25h 00mกัลฟ์แอร์
Sun 25/510:00LHR - CNX
2 stops27h 10mกัลฟ์แอร์
Deal found 18/5฿34,484
Fri 26/1216:25CNX - LHR
2 stops32h 05mChina Eastern
Thu 15/121:00LHR - CNX
1 stop34h 20mChina Eastern
Deal found 19/5฿35,146
Thu 22/516:55CNX - LHR
1 stop32h 15mThai Airways
Sun 25/512:30LHR - CNX
1 stop21h 45mThai Airways
Deal found 18/5฿35,279
Fri 26/1210:10CNX - LGW
2 stops27h 30mEmirates
Thu 15/109:40LGW - CNX
2 stops26h 15mEmirates
Deal found 18/5฿36,074
Tue 2/920:00CNX - LHR
2 stops49h 10mFinnair
Tue 16/918:10LHR - CNX
2 stops35h 05mFinnair
Deal found 19/5฿37,233
Wed 2/700:05CNX - LHR
1 stop24h 45mAsiana Airlines
Thu 10/720:40LHR - CNX
1 stop20h 20mAsiana Airlines
Deal found 19/5฿38,658

Cheapflights Fare Finder

Customise your flight search to find flights from Chiang Mai to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 19 May 2025.
Use the filters below to find and compare flights from Chiang Mai to London that are best for you.

Fly from

Chiang Mai

Fly to

London

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 2/7

19:25-20:50

2 stops31h 25m

London Heathrow

Wed 9/7

06:30-18:40

2 stops30h 10m

฿30,575

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 2/7

16:20-06:40

3 stops44h 20m

London Gatwick

Wed 9/7

11:35-13:25

1 stop19h 50m

฿30,674

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 4/9

14:40-16:35

1 stop31h 55m

London Heathrow

Wed 17/9

11:00-13:40

1 stop20h 40m

฿31,602

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 2/7

19:25-22:20

2 stops32h 55m

London Gatwick

Wed 9/7

16:00-21:50

3 stops23h 50m

฿32,761

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 2/7

11:30-19:00

1 stop37h 30m

London Heathrow

Wed 9/7

22:10-10:25

1 stop30h 15m

฿34,252

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 1/7

00:15-18:50

1 stop24h 35m

London Heathrow

Wed 9/7

20:40-23:20

1 stop20h 40m

฿35,279

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 2/7

16:20-18:40

2 stops32h 20m

London Heathrow

Wed 9/7

21:20-13:25

1 stop34h 05m

฿36,107

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 2/9

20:00-15:10

2 stops49h 10m

London Heathrow

Tue 16/9

18:10-11:15

2 stops35h 05m

฿37,233

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Wed 2/7

09:25-08:50

2 stops29h 25m

London City

Wed 9/7

13:05-13:45

2 stops18h 40m

฿43,593

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Thu 3/7

20:00-08:45

2 stops42h 45m

London City

Thu 10/7

13:05-13:45

2 stops18h 40m

฿51,080

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Chiang Mai to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to London

What is the cheapest time of day to fly from CNX to LON?

Find hourly flight availability from Chiang Mai to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 May 2025.

When flying from Chiang Mai to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 44% versus a flight in the morning.

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 19 May 2025.
EVA Air
8.4
Very Good
1,193 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very Good
1,193 reviews
EVA Air
8.4
Very Good
1,193 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very Good
1,076 reviews
EVA Air
8.4
Very Good
1,193 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,193 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Emirates
8.1
Very Good
3,236 reviews
EVA Air
8.4
Very Good
1,193 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.8
Good
1,344 reviews
EVA Air
8.4
Very Good
1,193 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Chiang Mai to London?

    Chiang Mai (CNX) is the airport you will fly out of if you book a flight from Chiang Mai to London. You should not have trouble finding flights to London from Chiang Mai; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Chiang Mai airport to London. It is only a 3.1 km journey to Chiang Mai (CNX) from Chiang Mai’s city centre.

  • What are the cheapest airlines flying from Chiang Mai to London round-trip?

    Currently priced at ฿31,436, China Eastern will fly you from Chiang Mai to London and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Malaysia Airlines and China Southern - these airlines can fly you to your destination from ฿31,602 and ฿34,252, respectively.

  • What are the cheapest airlines to fly from Chiang Mai to London one-way?

    For one-way options, check prices for Malaysia Airlines. According to our data, you can fly for as low as ฿12,555. Users have also found prices from ฿12,753 and ฿16,430 on China Eastern and Thai Airways, respectively.

  • What are the most popular routes from Chiang Mai to London?

    While some choose either Chiang Mai - London Heathrow or Chiang Mai - London City, Chiang Mai - London Gatwick is the most popular route from Chiang Mai to London.

  • Can I find deals for flights from Chiang Mai to London that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to London.

  • Can I find deals for business class flights from Chiang Mai to London?

    Yes. Cheapflights offers flight deals from Chiang Mai to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chiang Mai to London?

    Currently, December is the cheapest month in which you can book a flight from Chiang Mai to London (average of ฿810). Flying from Chiang Mai to London in July is currently the most expensive (average of ฿1,025). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
Brentford
Waterlooville

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.

Fly from Chiang Mai to London on these airlines

Choose from the following airlines for your flight from Chiang Mai to London. Flights are based on user searches made on Cheapflights and were last updated on 19 May 2025.
Thai Airways flights from Chiang Mai to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chiang Mai to London?

Deals for Chiang Mai to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to London?

Cheapflights helps you find that perfect flight to London from Chiang Mai by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Chiang Mai to London with no change fees?

Yes, we can. To see specific flights from Chiang Mai to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Chiang Mai to London become cheaper?

Yes, Cheapflights offers price alerts on Chiang Mai to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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