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Cheap flights from Chiang Mai to London Heathrow Airport from £239

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LHR
11 Dec — 18 Dec1
1 adult

Cheap flight deals from Chiang Mai to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Heathrow (LHR). 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 6 December 2024.

Round-trip from

£659

One-way from

£239

Popular in

July

Cheapest in

December
Air China
  • Air China
  • 2/5-15/5
  • 2 total stops
  • 44h 05m total
  • Chiang Mai to London
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17/12
  • 17/12
  • 2 total stops
  • 37h 55m total
  • Chiang Mai to London
Search Deals
High demand for flights, 32% potential price rise
Search Deals
Best time to find cheap flights, 30% potential price drop
Search Deals

Find flight deals from Chiang Mai to Heathrow

Cheapest flights from Chiang Mai to Heathrow
Explore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 December 2024.

Thu 26/1223:05CNX - LHR
1 stop23h 50mAir China
Sat 4/120:25LHR - CNX
1 stop18h 25mAir China
Deal found 5/12£686
Thu 26/1216:25CNX - LHR
2 stops32h 05mMultiple Airlines
Sat 4/117:40LHR - CNX
1 stop21h 10mMultiple Airlines
Deal found 5/12£888
Thu 19/1214:50CNX - LHR
1 stop31h 35mMalaysia Airlines
Thu 26/1210:25LHR - CNX
1 stop18h 00mMalaysia Airlines
Deal found 5/12£1,341
Thu 19/1211:15CNX - LHR
1 stop38h 00mChina Southern
Thu 26/1221:30LHR - CNX
2 stops37h 20mChina Southern
Deal found 4/12£1,367
Wed 18/1200:15CNX - LHR
1 stop23h 15mKorean Air
Thu 26/1218:50LHR - CNX
1 stop36h 15mKorean Air
Deal found 5/12£2,189

Find flights from Chiang Mai to Heathrow within your budget

Customise your flight search to find flights from Chiang Mai to Heathrow 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 931,284 searches. Data last updated 6 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 2/5

23:05-17:45

1 stop24h 40m

London Heathrow

Thu 15/5

20:25-21:50

1 stop19h 25m

£659

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 7/5

21:10-14:20

2 stops23h 10m

London Heathrow

Wed 21/5

19:30-19:10

2 stops17h 40m

£728

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 2/5

14:55-08:00

2 stops47h 05m

London Heathrow

Thu 15/5

15:05-13:25

2 stops40h 20m

£759

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 28/4

20:00-21:45

2 stops31h 45m

London Heathrow

Wed 14/5

20:05-13:45

2 stops35h 40m

£782

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 2/5

18:50-19:05

1 stop30h 15m

London Heathrow

Thu 15/5

20:50-17:50

2 stops39h 00m

£789

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 31/5

00:45-18:00

1 stop23h 15m

London Heathrow

Mon 30/6

20:10-23:40

1 stop21h 30m

£840

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 1/6

16:55-15:40

2 stops28h 45m

London Heathrow

Mon 30/6

06:00-20:30

2 stops32h 30m

£869

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 5/5

11:55-16:30

2 stops34h 35m

London Heathrow

Wed 21/5

22:00-10:20

1 stop30h 20m

£909

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 19/12

14:50-15:25

1 stop31h 35m

London Heathrow

Thu 26/12

10:25-11:25

1 stop18h 00m

£1,341

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 18/12

00:15-16:30

1 stop23h 15m

London Heathrow

Thu 26/12

18:50-14:05

1 stop36h 15m

£2,189

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 18 results
1
2

Best time to book a flight from Chiang Mai to Heathrow

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

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

Rainfall in Heathrow by month

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

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

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 6 December 2024.
Korean Air
8.5
Very Good
1,019 reviews
Check prices

Food

8.1

Crew

8.7

Overall

8.5

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very Good
1,019 reviews
Korean Air
8.5
Very Good
1,019 reviews
Check prices

Food

8.1

Crew

8.7

Overall

8.5

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.3
Very Good
478 reviews
Korean Air
8.5
Very Good
1,019 reviews
Check prices

Food

8.1

Crew

8.7

Overall

8.5

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.2
Very Good
773 reviews
Korean Air
8.5
Very Good
1,019 reviews
Check prices

Food

8.1

Crew

8.7

Overall

8.5

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Emirates
8.1
Very Good
3,455 reviews
Korean Air
8.5
Very Good
1,019 reviews
Check prices

Food

8.1

Crew

8.7

Overall

8.5

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Thai Airways
7.8
Good
365 reviews
Korean Air
8.5
Very Good
1,019 reviews
Check prices

Food

8.1

Crew

8.7

Overall

8.5

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Heathrow. 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 Heathrow?

    If you book a flight to London Heathrow 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 Heathrow per day from 2 different airlines.

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

    Currently priced at £659, Air China will fly you from Chiang Mai to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Austrian Airlines and China Eastern - these airlines can fly you to your destination from £728 and £759, respectively. Users have found that Air China is 12% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as £281. However, be on the lookout for offers from China Southern and Thai Airways, as they are both options that can get you from Chiang Mai to London Heathrow Airport for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chiang Mai to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Chiang Mai to London Heathrow Airport (average of £112). Flying from Chiang Mai to London Heathrow Airport in July is currently the most expensive (average of £160). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Chiang Mai to Heathrow

Discover the top 2 airlines that operate flights from Chiang Mai to Heathrow. 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 931,284 searches. Data last updated 6 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£479Average£530FlexibilityNo cancel feeOn-time67%
Search Air China flights
Thai AirwaysCheapest£817Average£883FlexibilityNo 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 Heathrow?

Cheapflights makes it easy to find Chiang Mai to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chiang Mai to Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Chiang Mai to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Chiang Mai to Heathrow 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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