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

Currently priced at £961, Thai Airways will fly you from London Heathrow Airport to Chiang Rai and back. In addition to Thai Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as £980.

What is the cheapest day to fly from London Heathrow Airport to Chiang Rai?

Travellers seeking maximum savings on their London Heathrow Airport to Chiang Rai flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from London Heathrow Airport to Chiang Rai?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Chiang Rai. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest time of day to fly from LHR to CEI?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Chiang Rai at midday. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What airport do you fly into for flights to Chiang Rai from London Heathrow?

Chiang Rai (CEI), located 4.5 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Chiang Rai. 1 airline have flights to Chiang Rai from London Heathrow on a regular basis. Booking flights from London Heathrow to Chiang Rai should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

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

How can I find direct flights from Heathrow to Chiang Rai?

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

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

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

£461+ Flights from London Heathrow Airport to Chiang Rai

Cheap flight deals from Heathrow to Chiang Rai

Round-trip from	£790
One-way from	£461
Popular in	December
Cheapest in	June
Average price	£974

24/8-31/8
6 total stops
69h 35m total
London to Chiang Rai

Search Deals

14/10
2 total stops
26h 50m total
London to Chiang Rai

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Heathrow to Chiang Rai

Cheapest flights from Heathrow to Chiang Rai
Explore the most affordable flight options available from Heathrow to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Sun 24/806:30LHR - CEI

3 stops30h 55mMultiple Airlines

Sun 31/808:25CEI - LHR

3 stops38h 40mMultiple Airlines

Deal found 10/7£790

Mon 25/821:25LHR - CEI

1 stop14h 55mThai Airways

Mon 1/913:40CEI - LHR

1 stop35h 35mThai Airways

Deal found 11/7£961

Mon 25/807:25LHR - CEI

2 stops28h 55mLufthansa

Mon 1/918:55CEI - LHR

3 stops23h 45mLufthansa

Deal found 11/7£980

Best flights from Heathrow to Chiang Rai
Discover carefully curated flight deals from Heathrow to Chiang Rai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Sun 24/806:30LHR - CEI

3 stops30h 55mMultiple Airlines

Sun 31/808:25CEI - LHR

3 stops38h 40mMultiple Airlines

Deal found 10/7£790

Mon 25/821:25LHR - CEI

1 stop14h 55mThai Airways

Mon 1/913:40CEI - LHR

1 stop35h 35mThai Airways

Deal found 11/7£961

Mon 25/807:25LHR - CEI

2 stops28h 55mLufthansa

Mon 1/918:55CEI - LHR

3 stops23h 45mLufthansa

Deal found 11/7£980

Last-minute flights from Heathrow to Chiang Rai
Discover last-minute flight deals from Heathrow to Chiang Rai. Data last updated 11 July 2025 and is based on user searches.

Sun 24/806:30LHR - CEI

3 stops30h 55mMultiple Airlines

Sun 31/808:25CEI - LHR

3 stops38h 40mMultiple Airlines

Deal found 10/7£790

Mon 25/821:25LHR - CEI

1 stop14h 55mThai Airways

Mon 1/913:40CEI - LHR

1 stop35h 35mThai Airways

Deal found 11/7£961

Mon 25/807:25LHR - CEI

2 stops28h 55mLufthansa

Mon 1/918:55CEI - LHR

3 stops23h 45mLufthansa

Deal found 11/7£980

One-way flights from Heathrow to Chiang Rai
Search for one-way flight options from Heathrow to Chiang Rai. Find affordable one-way fares based on user searches. Data last updated 11 July 2025.

Tue 14/1009:30LHR - CEI

2 stops26h 50mMultiple Airlines

Deal found 11/7£461

Tue 14/1012:30LHR - CEI

1 stop18h 40mThai Airways

Deal found 9/7£578

Fri 24/1017:50LHR - CEI

2 stops18h 30mLufthansa

Deal found 11/7£581

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Chiang Rai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 24/8

06:30-19:25

3 stops30h 55m

Chiang Rai

Sun 31/8

08:25-17:05

3 stops38h 40m

£790

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Mon 25/8

21:25-18:20

1 stop14h 55m

Chiang Rai

Mon 1/9

13:40-19:15

1 stop35h 35m

£961

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Mon 25/8

07:25-18:20

2 stops28h 55m

Chiang Rai

Mon 1/9

18:55-12:40

3 stops23h 45m

£980

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Tue 14/10

09:30-13:10

2 stops21h 40m

£461

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Tue 14/10

12:30-13:10

1 stop18h 40m

£578

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 24/10

17:50-18:20

2 stops18h 30m

£581

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Best time to book a flight from Heathrow to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Heathrow 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 London Heathrow Airport to Chiang Rai

How much does it cost for a return flight from London Heathrow Airport to Chiang Rai?

Reviews of airlines servicing Chiang Rai

Check out reviews from past customers who have flown with Thai Airways and Lufthansa from London Heathrow Airport to Chiang Rai 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.

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Thai Airways

7.7

Good

336 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Lufthansa

6.8

Okay

7,199 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

What airport do you fly into for flights to Chiang Rai from London Heathrow?
Chiang Rai (CEI), located 4.5 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Chiang Rai. 1 airline have flights to Chiang Rai from London Heathrow on a regular basis. Booking flights from London Heathrow to Chiang Rai should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.
What are the cheapest airlines flying from London Heathrow Airport to Chiang Rai round-trip?
Currently priced at £961, Thai Airways will fly you from London Heathrow Airport to Chiang Rai and back. In addition to Thai Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as £980.
Can I find deals for flights from Heathrow to Chiang Rai that include hotel bookings?
Yes. In addition to deals on Heathrow to Chiang Rai flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Chiang Rai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Chiang Rai.
Can I find deals for business class flights from Heathrow to Chiang Rai?
Yes. Cheapflights offers flight deals from Heathrow to Chiang Rai 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

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Southend to Krabi flights

Top airline flying from Heathrow to Chiang Rai

Airline	Cheapest	Average	Flexibility	On-time
Thai Airways	Cheapest£726	Average£798	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Chiang Rai?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Chiang Rai. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Chiang Rai for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Chiang Rai from Heathrow 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 Heathrow to Chiang Rai become cheaper?

Yes! Start tracking prices for Heathrow to Chiang Rai flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London Heathrow Airport to Chiang Rai from £461

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Chiang Rai

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Chiang Rai

Cheapest flights from Heathrow to Chiang RaiExplore the most affordable flight options available from Heathrow to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Heathrow to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Chiang Rai that are best for you.

Best time to book a flight from Heathrow to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Chiang Rai

How much does it cost for a return flight from London Heathrow Airport to Chiang Rai?

Reviews of airlines servicing Chiang Rai

Check out reviews from past customers who have flown with Thai Airways and Lufthansa from London Heathrow Airport to Chiang Rai 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.

Related info for your journey

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

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

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

How can I find direct flights from Heathrow to Chiang Rai?

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

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.

Alternative routes for Heathrow to Chiang Rai

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Heathrow to Chiang Rai

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 Rai?

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

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

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

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Cheapest flights from Heathrow to Chiang Rai
Explore the most affordable flight options available from Heathrow to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.