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Cheap flights from Chiang Mai to London from £273

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
31 May — 7 Jun1
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 May 2026.

Mon 25/523:05
CNX
-
LGW
1 stop37h 30m
Air China
Wed 24/612:35
LGW
-
CNX
1 stop27h 15m
Air China
Deal found 30/4£585
Mon 25/523:05
CNX
-
LGW
1 stop37h 30m
Multiple Airlines
Tue 15/918:00
LGW
-
CNX
1 stop37h 25m
Multiple Airlines
Deal found 30/4£591
Wed 10/622:30
CNX
-
LHR
2 stops46h 50m
Multiple Airlines
Wed 17/616:15
LHR
-
CNX
2 stops24h 35m
Multiple Airlines
Deal found 26/4£627
Tue 2/623:05
CNX
-
LHR
1 stop27h 20m
Air China
Wed 24/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 28/4£636
Thu 11/608:00
CNX
-
LHR
2 stops28h 55m
Multiple Airlines
Thu 18/614:40
LHR
-
CNX
2 stops23h 45m
Multiple Airlines
Deal found 27/4£638
Mon 1/623:05
CNX
-
LGW
1 stop37h 30m
Air China
Mon 22/612:35
LGW
-
CNX
1 stop27h 15m
Air China
Deal found 28/4£641
Fri 17/720:00
CNX
-
LHR
2 stops23h 15m
Multiple Airlines
Sun 13/920:25
LHR
-
CNX
1 stop19h 25m
Multiple Airlines
Deal found 29/4£650
Mon 25/511:55
CNX
-
LHR
2 stops33h 25m
Multiple Airlines
Tue 15/921:20
LHR
-
CNX
1 stop34h 05m
Multiple Airlines
Deal found 30/4£654
Mon 1/623:05
CNX
-
LHR
1 stop24h 35m
Air China
Mon 22/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 28/4£669
Sun 24/522:20
CNX
-
LGW
2 stops22h 40m
Multiple Airlines
Mon 14/911:35
LGW
-
CNX
1 stop19h 50m
Multiple Airlines
Deal found 30/4£681
Sun 24/514:35
CNX
-
LHR
2 stops21h 55m
Oman Air
Wed 24/620:50
LHR
-
CNX
2 stops32h 25m
Oman Air
Deal found 30/4£693
Mon 25/523:05
CNX
-
LHR
1 stop24h 35m
Air China
Wed 24/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 30/4£695

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 May 2026.

Round-trip from

£585

One-way from

£273
Air China
  • Air China
  • 25/5-24/6
  • 2 total stops
  • 64h 45m total
  • Chiang Mai to London
Search Deals
13/6
  • 13/6
  • 3 total stops
  • 55h 05m total
  • Chiang Mai to London
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 May 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

Cheapest return flight

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 17/7

20:00-13:15

2 stops23h 15m

London Heathrow

Sun 13/9

20:25-21:50

1 stop19h 25m

£660

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 24/5

14:35-19:10

2 stops34h 35m

London Heathrow

Thu 25/6

20:50-11:15

2 stops32h 25m

£696

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 23/7

15:40-07:05

1 stop21h 25m

London Gatwick

Mon 27/7

10:25-15:10

1 stop22h 45m

£736

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 25/8

15:40-07:25

1 stop21h 45m

London Gatwick

Mon 14/9

10:25-15:10

1 stop22h 45m

£746

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 24/5

20:00-12:35

2 stops22h 35m

London Gatwick

Tue 23/6

10:05-11:15

2 stops19h 10m

£797

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 1/6

20:00-12:35

2 stops22h 35m

London Gatwick

Mon 22/6

10:05-11:15

2 stops19h 10m

£802

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 1/6

20:00-12:35

2 stops22h 35m

London Gatwick

Wed 24/6

10:05-11:15

2 stops19h 10m

£802

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 1/6

20:00-12:35

2 stops22h 35m

London Gatwick

Tue 23/6

10:05-11:15

2 stops19h 10m

£802

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 24/5

14:55-15:00

1 stop30h 05m

London Gatwick

Tue 23/6

18:00-13:25

1 stop37h 25m

£807
Fastest return journey

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 26/5

14:55-06:40

1 stop21h 45m

London Gatwick

Thu 25/6

11:35-13:25

1 stop19h 50m

£807

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 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 77% 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.

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £472.

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 Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 16h 18m.

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 Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 2h 03m.

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 May 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
7.3
Good
209 reviews
Check prices

Comfort

7.3

Overall

7.3

Boarding

7.6

Food

6.9

Entertainment

6.2

Crew

7.8

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
7.3
Good
209 reviews
China Eastern
7.3
Good
209 reviews
Check prices

Comfort

7.3

Overall

7.3

Boarding

7.6

Food

6.9

Entertainment

6.2

Crew

7.8

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 Oman Air, Emirates, and KLM fly from Chiang Mai to London in about 22h 35m. The time it takes to get you to your destination can typically vary by up to 12h. 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 £508. Other airlines that can offer you cheap pricing are Etihad Airways, from £561, and China Eastern, from £583.

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

    £189 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Air China and Thai Airways, with prices starting from £253 and £266, respectively.

  • 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?

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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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£508Average£545FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£561Average£657FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£583Average£684FlexibilityNo 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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