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Cheap flights from Chiang Mai to London from £207

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to London

Enter your travel dates to find the best prices.

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 1 March 2026.

Sun 29/316:20
CNX
-
LGW
2 stops28h 50m
China Eastern
Sun 5/419:00
LGW
-
CNX
2 stops32h 15m
China Eastern
Deal found 28/2£510
Thu 12/315:35
CNX
-
LGW
1 stop21h 55m
China Eastern
Mon 16/310:30
LGW
-
CNX
1 stop20h 50m
China Eastern
Deal found 25/2£511
Thu 23/715:40
CNX
-
LGW
2 stops21h 25m
Multiple Airlines
Mon 27/710:25
LGW
-
CNX
2 stops22h 45m
Multiple Airlines
Deal found 27/2£535
Sun 29/316:20
CNX
-
LHR
2 stops32h 20m
China Eastern
Sun 5/421:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Deal found 28/2£537
Tue 2/616:20
CNX
-
LGW
2 stops28h 40m
China Eastern
Fri 19/611:35
LGW
-
CNX
2 stops39h 40m
China Eastern
Deal found 1/3£543
Thu 12/310:05
CNX
-
LHR
2 stops38h 25m
China Eastern
Mon 16/321:00
LHR
-
CNX
2 stops35h 25m
China Eastern
Deal found 25/2£546
Sat 28/315:35
CNX
-
LHR
1 stop33h 05m
China Eastern
Sat 18/421:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Deal found 28/2£605
Sun 31/509:25
CNX
-
LCY
2 stops28h 00m
Multiple Airlines
Fri 19/613:10
LCY
-
CNX
2 stops19h 40m
Multiple Airlines
Deal found 1/3£820
Wed 15/410:10
CNX
-
LCY
2 stops37h 45m
Multiple Airlines
Wed 22/409:15
LCY
-
CNX
2 stops27h 55m
Multiple Airlines
Deal found 1/3£1,087
Thu 16/410:10
CNX
-
LCY
2 stops37h 45m
Multiple Airlines
Mon 27/409:15
LCY
-
CNX
2 stops27h 55m
Multiple Airlines
Deal found 27/2£1,120
Mon 1/620:00
CNX
-
LCY
2 stops42h 50m
KLM
Fri 19/609:20
LCY
-
CNX
2 stops22h 25m
KLM
Deal found 1/3£1,204
Fri 15/520:00
CNX
-
LCY
2 stops51h 20m
KLM
Sun 31/513:45
LCY
-
CNX
2 stops23h 25m
KLM
Deal found 28/2£1,261

Find 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 1 March 2026.

Round-trip from

£510

One-way from

£207

Popular in

April

Cheapest in

February

Average price

£813
China Eastern
  • China Eastern
  • 29/3-5/4
  • 4 total stops
  • 61h 05m total
  • Chiang Mai to London
Search Deals
18/3
  • 18/3
  • 3 total stops
  • 50h 00m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 858,174 searches. Data last updated 1 March 2026.
Use the filters below to find and compare flights from Chiang Mai to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 12/3

15:35-06:30

1 stop21h 55m

London Gatwick

Mon 16/3

10:30-14:20

1 stop20h 50m

£511

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 29/3

14:55-18:40

1 stop33h 45m

London Heathrow

Tue 21/4

21:20-13:25

1 stop34h 05m

£629

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Fri 15/5

14:55-15:00

1 stop30h 05m

London Gatwick

Sun 31/5

11:35-13:25

1 stop19h 50m

£647

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 12/3

15:35-17:30

1 stop32h 55m

London Heathrow

Mon 16/3

19:20-14:20

2 stops36h 00m

£678

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 15/4

14:55-15:00

1 stop30h 05m

London Gatwick

Mon 27/4

18:05-15:20

2 stops39h 15m

£713

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 28/3

14:50-15:35

1 stop31h 45m

London Heathrow

Sat 18/4

21:35-11:40

1 stop32h 05m

£714

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 18/4

16:20-16:00

2 stops29h 40m

London Gatwick

Mon 27/4

11:35-09:15

2 stops39h 40m

£736

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 31/5

14:55-18:40

1 stop33h 45m

London Heathrow

Fri 19/6

21:20-13:25

1 stop34h 05m

£739

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 25/6

14:55-15:10

1 stop30h 15m

London Gatwick

Tue 14/7

18:00-13:25

1 stop37h 25m

£754

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 7/5

19:25-15:15

1 stop25h 50m

London Heathrow

Thu 21/5

17:00-09:20

2 stops34h 20m

£793

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 46 resultsSorted by cheapest first
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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’s the top stopover airport for flights from Chiang Mai to London?

Share of one-stop return flights from Chiang Mai to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Shanghai (PVG) – chosen by Cheapflights users on 79% of one-stop itineraries from Chiang Mai to London on Cheapflights.

What’s the cheapest stopover airport for flights from Chiang Mai to London?

Average return fare for one-stop flights from Chiang Mai to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Kuala Lumpur (KUL) is the most affordable one-stop option, with an average return flight price of £609.

What’s the fastest stopover option from Chiang Mai to London?

Shortest average travel time for one-stop one-way flights from Chiang Mai to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 16h 14m.

Which airport typically offers the quickest stopover for flights from Chiang Mai to London?

Average stopover duration for one-stop one-way flights from Chiang Mai to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 2h 05m.

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 1 March 2026.
Read through reviews of airlines operating flights from Chiang Mai to London, such as China Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Eastern
7.2
Good
196 reviews
Check prices

Boarding

7.6

Food

6.8

Crew

7.8

Entertainment

6.1

Overall

7.2

Comfort

7.2

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.
China Eastern
7.2
Good
196 reviews
China Eastern
7.2
Good
196 reviews
Check prices

Boarding

7.6

Food

6.8

Crew

7.8

Entertainment

6.1

Overall

7.2

Comfort

7.2

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.

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?

    If you book a flight to London from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to London per day from 3 different airlines.

  • How long is the flight from Chiang Mai to London?

    Airlines like China Eastern and KLM fly from Chiang Mai to London in about 21h 55m. The time it takes to get you to your destination can typically vary by up to 20h 55m. The distance between Chiang Mai and London is about 5594 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Chiang Mai to London round-trip from £509. Other airlines that can offer you cheap pricing are Etihad Airways, from £563, and China Eastern, from £593. Air China is 28% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The most popular route from Chiang Mai to London is Chiang Mai - London Heathrow. You may also consider Chiang Mai - London Gatwick or Chiang Mai - London City.

  • 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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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.

Top 3 airlines flying from Chiang Mai to London

Discover the top 3 airlines that operate flights from Chiang Mai to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£509Average£547FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£563Average£659FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£593Average£687FlexibilityNo cancel feeOn-time62%
Search China Eastern flights

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?

When you search for this flight from Chiang Mai to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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?

Certainly. Search results for flights to London from Chiang Mai shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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.

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