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Cheap flights from Chiang Mai to London from £224

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£538

One-way from

£224

Popular in

August

Cheapest in

February

Average price

£852
China Eastern
  • China Eastern
  • 6/5-13/5
  • 2 total stops
  • 41h 35m total
  • Chiang Mai to London
10/5
  • 10/5
  • 3 total stops
  • 33h 20m total
  • Chiang Mai to London
Highest demand for flights based on searches. 22% potential increase in price (£150 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in April 2025

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 18 April 2025.

Tue 6/514:55CNX - LGW
1 stop21h 45mChina Eastern
Tue 13/511:35LGW - CNX
1 stop19h 50mChina Eastern
Deal found 18/4£538
Tue 24/611:30CNX - LHR
1 stop37h 30mChina Southern
Sun 29/622:10LHR - CNX
1 stop37h 40mChina Southern
Deal found 16/4£604
Tue 24/623:05CNX - LHR
1 stop27h 25mAir China
Mon 30/622:40LHR - CNX
1 stop17h 10mAir China
Deal found 16/4£668
Tue 24/620:00CNX - LHR
2 stops19h 00mAustrian Airlines
Wed 25/619:30LHR - CNX
2 stops19h 00mAustrian Airlines
Deal found 16/4£738
Tue 24/620:00CNX - LHR
2 stops18h 15mLufthansa
Thu 26/617:50LHR - CNX
2 stops20h 40mLufthansa
Deal found 16/4£765
Wed 25/611:30CNX - LGW
1 stop25h 35mChina Southern
Sat 28/621:30LGW - CNX
2 stops38h 20mChina Southern
Deal found 16/4£814
Thu 4/917:40CNX - LHR
1 stop31h 50mSingapore Airlines
Tue 16/909:25LHR - CNX
1 stop18h 50mSingapore Airlines
Deal found 17/4£816
Tue 24/610:10CNX - LGW
2 stops32h 25mEmirates
Sun 29/614:30LGW - CNX
2 stops46h 40mEmirates
Deal found 16/4£817
Fri 26/1219:45CNX - LHR
1 stop30h 35mEVA Air
Thu 15/121:20LHR - CNX
1 stop14h 35mEVA Air
Deal found 17/4£842
Mon 23/600:45CNX - LHR
1 stop24h 05mAsiana Airlines
Wed 25/620:40LHR - CNX
1 stop21h 00mAsiana Airlines
Deal found 16/4£843
Sat 28/616:20CNX - LHR
2 stops32h 20mChina Eastern
Thu 10/721:20LHR - CNX
2 stops29h 45mChina Eastern
Deal found 17/4£857
Tue 1/709:25CNX - LHR
1 stop15h 55mMultiple Airlines
Tue 15/721:35LHR - CNX
1 stop15h 35mMultiple Airlines
Deal found 17/4£895

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 18 April 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 - LGW

CNXLGW

Chiang Mai

Tue 6/5

14:55-06:40

1 stop21h 45m

London Gatwick

Tue 13/5

11:35-13:25

1 stop19h 50m

£538

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 24/6

11:30-19:00

1 stop37h 30m

London Heathrow

Sun 29/6

22:10-17:50

1 stop37h 40m

£604

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 24/6

23:05-20:30

1 stop27h 25m

London Heathrow

Mon 30/6

22:40-21:50

1 stop17h 10m

£668

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 24/6

20:00-09:00

2 stops19h 00m

London Heathrow

Wed 25/6

19:30-20:30

2 stops19h 00m

£738

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 24/6

20:00-08:15

2 stops18h 15m

London Heathrow

Thu 26/6

17:50-20:30

2 stops20h 40m

£765

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 25/6

11:30-07:05

1 stop25h 35m

London Gatwick

Sat 28/6

21:30-17:50

2 stops38h 20m

£814

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 4/9

17:40-19:30

1 stop31h 50m

London Heathrow

Tue 16/9

09:25-10:15

1 stop18h 50m

£816

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 24/6

10:10-12:35

2 stops32h 25m

London Gatwick

Sun 29/6

14:30-19:10

2 stops46h 40m

£817

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 23/6

00:45-18:50

1 stop24h 05m

London Heathrow

Wed 25/6

20:40-23:40

1 stop21h 00m

£843

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 25/6

20:00-19:20

1 stop29h 20m

London Heathrow

Thu 26/6

21:35-19:10

1 stop15h 35m

£868

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 38 results
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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 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 18 April 2025.

It’s optimal to fly from Chiang Mai to London in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to 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 18 April 2025.
Peruse reviews from past customers who have flown with EVA Air, Asiana Airlines and Singapore Airlines from Chiang Mai to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 1 airline.

  • 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 £538. Other airlines that can offer you cheap pricing are China Southern, from £604, and Air China, from £668. China Eastern is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

    £273 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Thai Airways and Air China, with prices starting from £331 and £335, respectively.

  • What are the most popular routes 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, January is the cheapest month in which you can book a flight from Chiang Mai to London (average of £112). Flying from Chiang Mai to London in August is currently the most expensive (average of £164). 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
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Chiang Mai to London

Discover the top airline 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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£786Average£976FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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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