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Cheap flights from London Heathrow Airport to Chiang Mai from £371

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — CNX
14 May — 21 May1
1 adult
Tue 14/5
Tue 21/5

The best prices from London Heathrow to Chiang Mai are usually found in May or April, booked 4 days in advance, depart on a Sunday or Monday and return on a Friday

Cheap flight deals from Heathrow to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Chiang Mai (CNX). 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 9 May 2024.

Popular in

July

Cheapest in

May

Round-trip from

£621

One-way from

£408
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From London Heathrow to Chiang Mai
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One-way flight from London Heathrow to Chiang Mai
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What is the cheapest day to fly round-trip from London Heathrow Airport to Chiang Mai?

Friday flights are found to be more expensive to fly from London Heathrow Airport to Chiang Mai. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chiang Mai.

How far in advance should I book a flight from London Heathrow Airport to Chiang Mai?

Find a great deal and save up to 32% by booking at least 30 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Chiang Mai within the next two weeks, with the cheapest ticket starting at £550.

What is the cheapest month to fly from London Heathrow Airport to Chiang Mai?

Flights from London Heathrow Airport to Chiang Mai lean towards being more expensive in August. Prices are generally better when you fly from London Heathrow Airport to Chiang Mai in November, with the cheapest ticket starting at £469.

When is the cheapest time to fly from London Heathrow Airport to Chiang Mai (LHR - CNX)?

It’s typically best to fly out from London Heathrow Airport to Chiang Mai at midday. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Gulf Air flights from Heathrow to Chiang Mai

Explore cheap flight options specifically provided by Gulf Air for the route between Heathrow and Chiang Mai. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 9 May 2024.
Check out some of the cheapest Gulf Air flights we've come across from London to Chiang Mai. Be sure to come back soon if the deals available don't appeal to you at this time.
Thu 20/622:05LHR - CNX
2 stops28h 40mGulf Air
Tue 16/710:10CNX - LHR
3 stops26h 45mGulf Air
Deal found 8/5£910
Fri 7/610:00LHR - CNX
3 stops45h 45mGulf Air
Fri 14/621:10CNX - LHR
3 stops48h 10mGulf Air
Deal found 8/5£949
Mon 24/610:00LHR - CNX
3 stops41h 20mGulf Air
Tue 2/710:10CNX - LHR
3 stops35h 10mGulf Air
Deal found 8/5£1,052
Fri 24/510:00LHR - CNX
3 stops41h 20mGulf Air
Sun 9/612:20CNX - LHR
2 stops24h 35mGulf Air
Deal found 8/5£1,054

Cheap Asiana Airlines flights from Heathrow to Chiang Mai

Explore cheap flight options specifically provided by Asiana Airlines for the route between Heathrow and Chiang Mai. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 9 May 2024.
Some of the lowest-priced Asiana Airlines flights we've found at this time heading from London to Chiang Mai. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 16/820:40LHR - CNX
1 stop21h 05mAsiana Airlines
Mon 26/800:45CNX - LHR
1 stop24h 05mAsiana Airlines
Deal found 8/5£1,078
Thu 20/620:40LHR - CNX
2 stops30h 05mAsiana Airlines
Mon 15/700:45CNX - LHR
1 stop24h 05mAsiana Airlines
Deal found 8/5£1,224
Mon 1/720:40LHR - CNX
1 stop21h 05mAsiana Airlines
Sun 21/700:45CNX - LHR
1 stop24h 05mAsiana Airlines
Deal found 8/5£1,247

Cheap Heathrow to Chiang Mai flights in May & June 2024

Find cheap flight options from Heathrow to Chiang Mai specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 881,145 searches. Prices were last updated on 9 May 2024.
These are some of the best deals we've found on flights to Chiang Mai in 2024 at this time. Check back soon for alternative fares.
Mon 24/621:50LHR - CNX
2 stops29h 30mEtihad Airways
Tue 2/720:00CNX - LHR
2 stops28h 45mEtihad Airways
Deal found 8/5£652
Wed 12/620:55LHR - CNX
2 stops20h 40mMultiple Airlines
Thu 20/622:25CNX - LHR
2 stops22h 50mMultiple Airlines
Deal found 8/5£661
Wed 12/621:20LHR - CNX
1 stop34h 05mChina Eastern
Thu 20/614:55CNX - LHR
1 stop33h 45mChina Eastern
Deal found 8/5£676
Thu 20/620:55LHR - CNX
2 stops32h 20mEtihad Airways
Tue 16/720:00CNX - LHR
2 stops28h 45mEtihad Airways
Deal found 8/5£676
Fri 7/609:30LHR - CNX
2 stops30h 25mMultiple Airlines
Fri 14/606:30CNX - LHR
2 stops42h 15mMultiple Airlines
Deal found 8/5£690
Fri 7/622:40LHR - CNX
1 stop17h 10mAir China
Fri 14/623:00CNX - LHR
1 stop24h 45mAir China
Deal found 8/5£692
Fri 7/610:00LHR - CNX
3 stops29h 55mMultiple Airlines
Fri 14/606:30CNX - LHR
2 stops30h 25mMultiple Airlines
Deal found 8/5£704
Fri 7/609:30LHR - CNX
2 stops19h 45mEtihad Airways
Fri 14/620:00CNX - LHR
2 stops49h 15mEtihad Airways
Deal found 8/5£717
Fri 24/508:05LHR - CNX
2 stops18h 40mMultiple Airlines
Sun 9/615:30CNX - LHR
2 stops20h 55mMultiple Airlines
Deal found 8/5£721

Heathrow to Chiang Mai 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Chiang Mai in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 9 May 2024.
These are some of the best deals we've found on flights to Chiang Mai in 2024 at this time. Check back soon for alternative fares.
Mon 19/821:50LHR - CNX
2 stops19h 45mMultiple Airlines
Sat 14/922:25CNX - LHR
2 stops38h 20mMultiple Airlines
Deal found 8/5£604
Tue 3/919:30LHR - CNX
2 stops17h 40mMultiple Airlines
Tue 3/1210:10CNX - LHR
2 stops18h 30mMultiple Airlines
Deal found 8/5£626
Mon 19/810:00LHR - CNX
3 stops30h 50mMultiple Airlines
Sat 14/922:25CNX - LHR
2 stops38h 30mMultiple Airlines
Deal found 8/5£636
Mon 24/621:50LHR - CNX
2 stops29h 30mEtihad Airways
Tue 2/720:00CNX - LHR
2 stops28h 45mEtihad Airways
Deal found 8/5£652
Tue 3/915:25LHR - CNX
2 stops40h 00mChina Eastern
Tue 3/1215:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 8/5£657
Thu 14/1117:40LHR - CNX
2 stops22h 05mMultiple Airlines
Wed 4/1221:25CNX - LHR
2 stops25h 30mMultiple Airlines
Deal found 8/5£659
Wed 12/620:55LHR - CNX
2 stops20h 40mMultiple Airlines
Thu 20/622:25CNX - LHR
2 stops22h 50mMultiple Airlines
Deal found 8/5£661
Wed 12/621:20LHR - CNX
1 stop34h 05mChina Eastern
Thu 20/614:55CNX - LHR
1 stop33h 45mChina Eastern
Deal found 8/5£676
Thu 20/620:55LHR - CNX
2 stops32h 20mEtihad Airways
Tue 16/720:00CNX - LHR
2 stops28h 45mEtihad Airways
Deal found 8/5£676

One-way flights to Chiang Mai from Heathrow

Search for one-way flight options from Heathrow to Chiang Mai. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 9 May 2024.
Users travelling one-way from London to Chiang Mai can select one of these great deals. For those needing a return trip from London, there is a search form available above.
Tue 21/512:30LHR - CNX
2 stops27h 25mMultiple Airlines
Deal found 7/5£371
Wed 22/512:30LHR - CNX
2 stops22h 15mMultiple Airlines
Deal found 7/5£378
Thu 23/513:15LHR - CNX
2 stops26h 40mMultiple Airlines
Deal found 7/5£381
Mon 20/513:15LHR - CNX
2 stops26h 40mMultiple Airlines
Deal found 7/5£383
Sat 18/512:30LHR - CNX
2 stops19h 05mMultiple Airlines
Deal found 7/5£403
Tue 21/521:20LHR - CNX
1 stop34h 05mChina Eastern
Deal found 7/5£408
Sun 19/520:50LHR - CNX
2 stops20h 45mMultiple Airlines
Deal found 7/5£409
Tue 3/921:35LHR - CNX
1 stop34h 05mMalaysia Airlines
Deal found 8/5£460
Fri 24/517:05LHR - CNX
2 stops20h 10mMultiple Airlines
Deal found 7/5£464

Find flights from Heathrow to Chiang Mai within your budget

Customise your flight search to find flights from Heathrow to Chiang Mai 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 881,145 searches. Data last updated 9 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£604 - £930

Route

Depart

Return

Price

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Mon 19/8

2 stops19h 45m

Chiang Mai

Sat 14/9

2 stops38h 20m

£604

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Mon 24/6

2 stops29h 30m

Chiang Mai

Tue 2/7

2 stops28h 45m

£652

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 3/9

2 stops40h 00m

Chiang Mai

Tue 3/12

1 stop32h 55m

£657

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Fri 1/11

1 stop20h 25m

Chiang Mai

Mon 25/11

1 stop24h 00m

£688

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Fri 7/6

1 stop17h 10m

Chiang Mai

Fri 14/6

1 stop24h 45m

£692

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Fri 25/10

1 stop38h 40m

Chiang Mai

Sun 3/11

2 stops28h 30m

£743

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Mon 1/7

1 stop14h 15m

Chiang Mai

Mon 22/7

1 stop15h 45m

£888

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 20/6

2 stops28h 40m

Chiang Mai

Tue 16/7

3 stops26h 45m

£910

London HeathrowChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Fri 24/5

1 stop32h 20m

Chiang Mai

Sun 9/6

2 stops32h 35m

£930

Flights are sorted by cheapest first

Deals found on 8/5

When is the best time to book a flight from London Heathrow Airport to Chiang Mai?

Use this chart to determine the optimal time to book a return flight from Heathrow to Chiang Mai. Price data was last updated on 3 May 2024.
The price you pay for your flight from London Heathrow Airport to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 4 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from London Heathrow Airport to Chiang Mai?

Use this chart to determine the cheapest time to fly return from Heathrow to Chiang Mai. Price data was last updated on 5 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to Chiang Mai flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Chiang Mai by month

Plan your trip from Heathrow to Chiang Mai by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to Chiang Mai is currently £406 while a return flight costs £752. Price data was last updated on 5 May 2024.

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Chiang Mai (average of £776). Flying from London Heathrow Airport to Chiang Mai in August is currently the most expensive (average of £1,210). 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.

January

£706

February

£769

March

£640

April

£621

May

£623

June

£816

July

£968

August

£969

September

£856

October

£623

November

£711

December

£797

Temperature and rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature and rainfall totals by month.

CNX

Temperature

21 - 29 °C

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated 9 May 2024.
Read reviews from past customers who have flown Gulf Air, Asiana Airlines and Etihad Airways from London to Chiang Mai. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.4
Very Good
578 reviews
Check prices

Entertainment

7.9

Boarding

8.5

Food

8.2

Overall

8.4

Crew

8.6

Comfort

8.2

Reviews

1 / 10

Wish entertainment choices were better for a long haul flight. Seats were too narrow, even for a slim person like me. Food vould be better in economy. I have flown better airlines paying cheaper or similar airfare.

Asiana Airlines
8.4
Very Good
578 reviews
Asiana Airlines
8.4
Very Good
578 reviews
Check prices

Entertainment

7.9

Boarding

8.5

Food

8.2

Overall

8.4

Crew

8.6

Comfort

8.2

Reviews

1 / 10

Wish entertainment choices were better for a long haul flight. Seats were too narrow, even for a slim person like me. Food vould be better in economy. I have flown better airlines paying cheaper or similar airfare.

China Airlines
8.3
Very Good
917 reviews
Asiana Airlines
8.4
Very Good
578 reviews
Check prices

Entertainment

7.9

Boarding

8.5

Food

8.2

Overall

8.4

Crew

8.6

Comfort

8.2

Reviews

1 / 10

Wish entertainment choices were better for a long haul flight. Seats were too narrow, even for a slim person like me. Food vould be better in economy. I have flown better airlines paying cheaper or similar airfare.

Thai Airways
8.1
Very Good
521 reviews
Asiana Airlines
8.4
Very Good
578 reviews
Check prices

Entertainment

7.9

Boarding

8.5

Food

8.2

Overall

8.4

Crew

8.6

Comfort

8.2

Reviews

1 / 10

Wish entertainment choices were better for a long haul flight. Seats were too narrow, even for a slim person like me. Food vould be better in economy. I have flown better airlines paying cheaper or similar airfare.

Gulf Air
7.6
Good
271 reviews
Asiana Airlines
8.4
Very Good
578 reviews
Check prices

Entertainment

7.9

Boarding

8.5

Food

8.2

Overall

8.4

Crew

8.6

Comfort

8.2

Reviews

1 / 10

Wish entertainment choices were better for a long haul flight. Seats were too narrow, even for a slim person like me. Food vould be better in economy. I have flown better airlines paying cheaper or similar airfare.

Malaysia Airlines
7.5
Good
394 reviews
Asiana Airlines
8.4
Very Good
578 reviews
Check prices

Entertainment

7.9

Boarding

8.5

Food

8.2

Overall

8.4

Crew

8.6

Comfort

8.2

Reviews

1 / 10

Wish entertainment choices were better for a long haul flight. Seats were too narrow, even for a slim person like me. Food vould be better in economy. I have flown better airlines paying cheaper or similar airfare.

Related info for your journey

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

    For a flight from London Heathrow to Chiang Mai, you will be flying into Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the center of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from London Heathrow per day. 7 airlines have flights to Chiang Mai from London Heathrow on a regular basis.

  • Can I find flights from London Heathrow Airport to Chiang Mai for under £700 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Chiang Mai for under £700. The cheapest flight booked recently is on Multiple Airlines for just £604, but on average you can expect to pay £682.

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

    Flying on Etihad Airways is currently your cheapest option to Chiang Mai, with prices starting at £652. Additional return tickets that might be worth considering are offered by China Eastern and Malaysia Airlines, with the lowest prices starting at £657 and £688, respectively. Users have found that Etihad Airways is 27% cheaper than the other options available to this destination.

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

    £408 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 Malaysia Airlines and Etihad Airways, with prices starting from £460 and £476, respectively.

  • What are the most popular airlines that fly from London Heathrow Airport to Chiang Mai?

    EVA Air, Air China and Emirates are the most popular airlines when flying from London Heathrow Airport to Chiang Mai.

  • What does LHR to CNX mean?

    LHR stands for London Heathrow Airport, while CNX stands for Chiang Mai Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Heathrow to Chiang Mai that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to Chiang Mai flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to Chiang Mai with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Chiang Mai flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Heathrow to Chiang Mai that allow pets onboard?

    Many airlines flying from Heathrow to Chiang Mai offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to Chiang Mai?

    Yes, you can often find last-minute deals on Heathrow to Chiang Mai flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to Chiang Mai flight deals updated?

    The London Heathrow Airport to Chiang Mai flight deals you see on this page were last updated on 8/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Chiang Mai
See prices for flight routes from nearby airports that may be better suited for you.

Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Don Mueang Intl flights
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London City to Phuket City flights
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Gatwick to Koh Samui flights
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Stansted to Krabi flights
Stansted to Chiang Mai flights
London City to Krabi flights
London City to Chiang Mai flights
Heathrow to Rayong flights
Gatwick to Rayong flights
Heathrow to Chiang Rai flights
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Southend to Suvarnabhumi flights
Heathrow to Hat Yai flights
Gatwick to Trat flights
Gatwick to Chiang Rai flights
Luton to Krabi flights
London City to Don Mueang Intl flights
Stansted to Trat flights
Luton to Chiang Mai flights
Heathrow to Trat flights
Heathrow to Udon Thani flights
Gatwick to Khon Kaen flights
Southend to Krabi flights
Gatwick to Surat Thani flights

Top 7 airlines flying from Heathrow to Chiang Mai

Discover the top 7 airlines that operate flights from Heathrow to Chiang Mai. 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 881,145 searches. Data last updated 9 May 2024.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£491Average£612FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£618Average£717FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£652Average£727FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EVA AirCheapest£707Average£844FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Singapore AirlinesCheapest£795Average£895FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£810Average£956FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£888Average£982FlexibilityNo cancel feeOn-time75%
Search Emirates flights
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Search flights from Heathrow to Chiang Mai by cabin class

Find flights from Heathrow to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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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 Heathrow to Chiang Mai?

Cheapflights helps you search for flights from Heathrow to Chiang Mai via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Chiang Mai from Heathrow 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 Heathrow to Chiang Mai with no change fees?

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

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

Yes, Cheapflights offers price alerts on Heathrow to Chiang Mai 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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