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Flights to Chiang Rai

£455 Cheap flights to Chiang Rai

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Chiang Rai departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to Chiang Rai

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 - 19:25
LGW
-
CEI
25h 55m
2 stops
Multiple Airlines Logo
15:20 - 14:00
CEI
-
LGW
29h 40m
2 stops
£455Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
08:45 - 15:55
LHR
-
CEI
24h 10m
2 stops
Multiple Airlines Logo
16:25 - 11:05
CEI
-
LHR
25h 40m
2 stops
£548Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
08:30 - 15:55
STN
-
CEI
24h 25m
3 stops
Multiple Airlines Logo
16:25 - 22:35
CEI
-
STN
37h 10m
3 stops
£576Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
16:00 - 15:55
LGW
-
CEI
16h 55m
1 stop
Multiple Airlines Logo
08:40 - 18:30
CEI
-
LGW
16h 50m
1 stop
£593Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
10:30 - 15:55
LGW
-
CEI
22h 25m
2 stops
Multiple Airlines Logo
08:40 - 18:30
CEI
-
LGW
16h 50m
1 stop
£606Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Singapore Airlines Logo
11:20 - 08:05
LHR
-
CEI
38h 45m
1 stop
Singapore Airlines Logo
15:45 - 15:45
CEI
-
LHR
30h 00m
1 stop
£726Singapore Airlines
Sun, 3 May - Thu, 11 Jun
Singapore Airlines Logo
22:05 - 08:05
LHR
-
CEI
28h 00m
1 stop
Singapore Airlines Logo
15:45 - 15:45
CEI
-
LHR
30h 00m
1 stop
£731Singapore Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
09:00 - 18:20
LHR
-
CEI
27h 20m
2 stops
Multiple Airlines Logo
10:10 - 06:25
CEI
-
LHR
26h 15m
2 stops
£745Multiple Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
19:50 - 15:55
LHR
-
CEI
37h 05m
2 stops
Multiple Airlines Logo
20:00 - 06:40
CEI
-
LHR
17h 40m
1 stop
£748Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Thai Airways Logo
11:50 - 09:40
LHR
-
CEI
14h 50m
1 stop
Thai Airways Logo
10:15 - 19:35
CEI
-
LHR
16h 20m
1 stop
£979Thai Airways
Wed, 11 Feb - Wed, 11 Mar

momondo Fare Finder

 
Locate flights to Chiang Rai that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 26 January 2026.
Use the filters below to find and compare flights to Chiang Rai that are best for you.

Fly from

Route

Depart

Return

Price

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Wed 11/3

10:30-19:25

2 stops25h 55m

Chiang Rai

Wed 18/3

15:20-14:00

2 stops29h 40m

£455

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/3

08:45-15:55

2 stops24h 10m

Chiang Rai

Wed 18/3

16:25-11:05

2 stops25h 40m

£548

LondonChiang Rai

STN - CEI

STNCEI

London Stansted

Wed 11/3

08:30-15:55

3 stops24h 25m

Chiang Rai

Wed 18/3

16:25-22:35

3 stops37h 10m

£576

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Wed 11/3

16:00-15:55

1 stop16h 55m

Chiang Rai

Wed 18/3

08:40-18:30

1 stop16h 50m

£593

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Wed 11/3

10:30-15:55

2 stops22h 25m

Chiang Rai

Wed 18/3

08:40-18:30

1 stop16h 50m

£606

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-08:05

1 stop38h 45m

Chiang Rai

Thu 11/6

15:45-15:45

1 stop30h 00m

£726

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

22:05-08:05

1 stop28h 00m

Chiang Rai

Thu 11/6

15:45-15:45

1 stop30h 00m

£731

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

09:00-18:20

2 stops27h 20m

Chiang Rai

Thu 11/6

10:10-06:25

2 stops26h 15m

£745

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/3

19:50-15:55

2 stops37h 05m

Chiang Rai

Wed 18/3

20:00-06:40

1 stop17h 40m

£748

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/2

11:50-09:40

1 stop14h 50m

Chiang Rai

Wed 11/3

10:15-19:35

1 stop16h 20m

£979

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Chiang Rai from

Chiang Rai flights insights and trends

Explore insights for your Chiang Rai flight to craft the best travel plan

How long does it take to fly to Chiang Rai?

The flight from United Kingdom to Chiang Rai depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London Heathrow (a popular airport in United Kingdom) to Chiang Mai (the most popular airport in Chiang Rai), then the flight time is 18h 20m on average. If you fly from Manchester (another popular airport in United Kingdom) to Chiang Mai, then the average flight time is 15h 05m.

Cheap Chiang Rai flight deals and tips

Summary info about Chiang Rai flight prices, duration and airlines

Best Round-Trip Price

£455

Fastest flight time

24h 10m
The best round-trip flight price to Chiang Rai from United Kingdom in the last 72 hours is £455 (London Gatwick to Chiang Rai).
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The fastest flight to Chiang Rai from United Kingdom takes 24h 10m (London Heathrow to Chiang Rai).
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Frequently asked questions about flying to Chiang Rai

Is there an alternative airport near Chiang Rai?

Finding an alternative and possibly cheaper destination airport near Chiang Rai is possible. If you are planning a flight to Chiang Rai, consider booking flights to Chiang Rai Airport (4 mi from Chiang Rai city centre), Pai Airport (98 mi from Chiang Rai city centre) or Nan Airport (98 mi from Chiang Rai city centre).

Is there a cheaper alternative to flying into Chiang Rai?

With an average price of £53 per person, Nan Airport is the cheapest airport to fly into when planning your trip to Chiang Rai. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Chiang Rai?

£25 is the cheapest deal found on momondo in the last two weeks for a flight to Chiang Rai. This flight is from Bangkok and is 54% cheaper than most flights to Chiang Rai. To find the cheapest price to Chiang Rai from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Chiang Rai Airport?

Prices for flights to Chiang Rai Airport are updated daily.

How many operators does momondo search for flights to Chiang Rai Airport?

As of January 2026, there are 5 operators available to choose from for flights to Chiang Rai Airport.

How old do you have to be to fly to Chiang Rai Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Chiang Rai Airport.

What documentation or ID do you need to fly to Chiang Rai Airport?

The necessary travel and health documents for your Chiang Rai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Chiang Rai?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chiang Rai.

Can I find flights to Chiang Rai with flexible booking policies on momondo?

Yes. All flights to Chiang Rai on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Chiang Rai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Chiang Rai.

I’m not ready to book a flight to Chiang Rai right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chiang Rai. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chiang Rai trip

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Popular Flights to Chiang Rai

Popular routes according to searches in the past day on momondo
London to Chiang Rai Flightsfrom £622