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Cheap flights from Chiang Mai to London from £185

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£414

One-way from

£185

Popular in

August

Cheapest in

March

Average price

£544
China Eastern
  • China Eastern
  • 6/3-13/3
  • 4 total stops
  • 67h 00m total
  • Chiang Mai to London
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China Eastern
  • China Eastern
  • 28/3
  • 3 total stops
  • 27h 25m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£170 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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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 21 February 2025.

Thu 6/310:05CNX - LGW
2 stops27h 25mChina Eastern
Thu 13/310:30LGW - CNX
2 stops39h 35mChina Eastern
Deal found 20/2£414
Thu 6/316:25CNX - LHR
2 stops28h 30mChina Eastern
Thu 13/321:00LHR - CNX
2 stops29h 05mChina Eastern
Deal found 20/2£439
Thu 6/316:25CNX - LGW
2 stops21h 05mMultiple Airlines
Thu 13/310:30LGW - CNX
2 stops25h 20mMultiple Airlines
Deal found 20/2£505
Wed 30/418:50CNX - LHR
2 stops53h 15mChina Southern
Tue 13/522:10LHR - CNX
1 stop30h 15mChina Southern
Deal found 20/2£560
Wed 9/423:05CNX - LHR
1 stop24h 40mAir China
Wed 23/422:40LHR - CNX
1 stop17h 10mAir China
Deal found 20/2£656
Thu 6/316:25CNX - LHR
2 stops28h 30mMultiple Airlines
Thu 13/321:25LHR - CNX
1 stop33h 25mMultiple Airlines
Deal found 20/2£703
Sun 6/423:05CNX - LGW
1 stop37h 30mAir China
Sun 13/412:35LGW - CNX
1 stop27h 15mAir China
Deal found 20/2£723
Tue 8/400:45CNX - LHR
1 stop24h 05mAsiana Airlines
Wed 23/420:40LHR - CNX
1 stop21h 00mAsiana Airlines
Deal found 20/2£879
Wed 30/420:00CNX - LHR
2 stops26h 10mEmirates
Tue 13/522:15LHR - CNX
2 stops38h 55mEmirates
Deal found 20/2£905
Wed 30/421:10CNX - LHR
2 stops30h 30mAustrian Airlines
Tue 13/510:25LHR - CNX
2 stops28h 05mAustrian Airlines
Deal found 21/2£993
Thu 6/317:50CNX - LCY
2 stops26h 00mMultiple Airlines
Thu 13/313:30LCY - CNX
2 stops17h 15mMultiple Airlines
Deal found 20/2£1,062
Wed 5/300:15CNX - LHR
1 stop23h 15mKorean Air
Thu 13/318:50LHR - CNX
1 stop36h 15mKorean Air
Deal found 20/2£1,193

Find flights from Chiang Mai to London within your budget

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 21 February 2025.

Fly from

Chiang Mai

Fly to

London

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 6/3

10:05-06:30

2 stops27h 25m

London Gatwick

Thu 13/3

10:30-09:05

2 stops39h 35m

£414

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 6/3

16:25-13:55

2 stops28h 30m

London Heathrow

Thu 13/3

21:00-09:05

2 stops29h 05m

£439

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 6/3

16:25-06:30

2 stops21h 05m

London Gatwick

Thu 13/3

10:30-18:50

2 stops25h 20m

£505

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 30/4

18:50-18:05

2 stops53h 15m

London Heathrow

Tue 13/5

22:10-10:25

1 stop30h 15m

£560

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 9/4

23:05-17:45

1 stop24h 40m

London Heathrow

Wed 23/4

22:40-21:50

1 stop17h 10m

£656

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 6/3

16:25-13:55

2 stops28h 30m

London Heathrow

Thu 13/3

21:25-13:50

1 stop33h 25m

£703

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 6/4

23:05-06:35

1 stop37h 30m

London Gatwick

Sun 13/4

12:35-21:50

1 stop27h 15m

£723

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 8/4

00:45-18:50

1 stop24h 05m

London Heathrow

Wed 23/4

20:40-23:40

1 stop21h 00m

£879

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 30/4

20:00-16:10

2 stops26h 10m

London Heathrow

Tue 13/5

22:15-19:10

2 stops38h 55m

£905

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Thu 6/3

17:50-12:50

2 stops26h 00m

London City

Thu 13/3

13:30-13:45

2 stops17h 15m

£1,062

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 26 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.

Travel insights for flights from Chiang Mai to London

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

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 21 February 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 21 February 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines and Emirates 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.
Korean Air
8.4
Very Good
1,037 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

ICN - JFK

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Korean Air
8.4
Very Good
1,037 reviews
Korean Air
8.4
Very Good
1,037 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

ICN - JFK

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Asiana Airlines
8.3
Very Good
445 reviews
Korean Air
8.4
Very Good
1,037 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

ICN - JFK

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Emirates
8.1
Very Good
3,276 reviews
Korean Air
8.4
Very Good
1,037 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

ICN - JFK

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Singapore Airlines
8.1
Very Good
1,299 reviews
Korean Air
8.4
Very Good
1,037 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

ICN - JFK

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

KLM
7.8
Good
1,331 reviews
Korean Air
8.4
Very Good
1,037 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

ICN - JFK

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

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 £414. Other airlines that can offer you cheap pricing are China Southern, from £560, and Air China, from £656. China Eastern is 39% 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?

    £185 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 China Southern and Air China, with prices starting from £290 and £319, 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.

  • 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 £163). 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?

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Deal
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Alternative routes for Chiang Mai to London

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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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£825Average£1,035FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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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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