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Flights to Chiang Rai

£348 Cheap flights to Chiang Rai

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chiang Rai departing on 4/5. 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
16:15 - 19:25
LHR
-
CEI
21h 10m
2 stops
Multiple Airlines Logo
08:25 - 12:40
CEI
-
LHR
34h 15m
2 stops
£646Multiple Airlines
Fri, 5 Jun - Fri, 12 Jun
Multiple Airlines Logo
09:15 - 13:10
LGW
-
CEI
21h 55m
2 stops
Multiple Airlines Logo
18:55 - 06:40
CEI
-
LGW
41h 45m
2 stops
£724Multiple Airlines
Sat, 13 Jun - Fri, 7 Aug
Multiple Airlines Logo
09:30 - 13:10
LHR
-
CEI
21h 40m
2 stops
Multiple Airlines Logo
18:55 - 13:15
CEI
-
LHR
24h 20m
2 stops
£772Multiple Airlines
Sat, 13 Jun - Fri, 7 Aug
Multiple Airlines Logo
07:15 - 14:55
STN
-
CEI
25h 40m
3 stops
Multiple Airlines Logo
15:25 - 10:50
CEI
-
STN
25h 25m
3 stops
£779Multiple Airlines
Fri, 5 Jun - Fri, 12 Jun
Multiple Airlines Logo
16:15 - 18:20
LHR
-
CEI
20h 05m
2 stops
Multiple Airlines Logo
16:30 - 12:45
CEI
-
LHR
26h 15m
3 stops
£781Multiple Airlines
Sat, 13 Jun - Fri, 7 Aug
Thai Airways Logo
12:30 - 09:40
LHR
-
CEI
15h 10m
1 stop
Thai Airways Logo
10:10 - 19:15
CEI
-
LHR
15h 05m
1 stop
£1,175Thai Airways
Fri, 5 Jun - Fri, 12 Jun
Thai Airways Logo
12:30 - 09:40
LHR
-
CEI
15h 10m
1 stop
Thai Airways Logo
10:10 - 19:15
CEI
-
LHR
15h 05m
1 stop
£1,257Thai Airways
Sat, 13 Jun - Fri, 7 Aug
Singapore Airlines Logo
13:00 - 18:45
LGW
-
CEI
47h 45m
1 stop
Singapore Airlines Logo
19:20 - 10:00
CEI
-
LGW
44h 40m
1 stop
£1,351Singapore Airlines
Sat, 13 Jun - Fri, 7 Aug
Singapore Airlines Logo
12:20 - 18:45
LGW
-
CEI
24h 25m
1 stop
Singapore Airlines Logo
19:20 - 09:30
CEI
-
LGW
20h 10m
1 stop
£1,546Singapore Airlines
Thu, 4 Jun - Mon, 8 Jun
Singapore Airlines Logo
12:20 - 18:45
LGW
-
CEI
24h 25m
1 stop
Singapore Airlines Logo
19:20 - 09:30
CEI
-
LGW
20h 10m
1 stop
£1,549Singapore Airlines
Thu, 4 Jun - Mon, 8 Jun

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 25 April 2026.
Use the filters below to find and compare flights to Chiang Rai that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 5/6

16:15-19:25

2 stops21h 10m

Chiang Rai

Fri 12/6

08:25-12:40

2 stops34h 15m

£646

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sat 13/6

09:15-13:10

2 stops21h 55m

Chiang Rai

Fri 7/8

18:55-06:40

2 stops41h 45m

£724

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sat 13/6

09:30-13:10

2 stops21h 40m

Chiang Rai

Fri 7/8

18:55-13:15

2 stops24h 20m

£772

LondonChiang Rai

STN - CEI

STNCEI

London Stansted

Fri 5/6

07:15-14:55

3 stops25h 40m

Chiang Rai

Fri 12/6

15:25-10:50

3 stops25h 25m

£779

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sat 13/6

16:15-18:20

2 stops20h 05m

Chiang Rai

Fri 7/8

16:30-12:45

3 stops26h 15m

£781
Fastest return journey

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 5/6

12:30-09:40

1 stop15h 10m

Chiang Rai

Fri 12/6

10:10-19:15

1 stop15h 05m

£1,175

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sat 13/6

12:30-09:40

1 stop15h 10m

Chiang Rai

Fri 7/8

10:10-19:15

1 stop15h 05m

£1,257

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sat 13/6

13:00-18:45

1 stop47h 45m

Chiang Rai

Fri 7/8

19:20-10:00

1 stop44h 40m

£1,351

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Thu 4/6

12:20-18:45

1 stop24h 25m

Chiang Rai

Mon 8/6

19:20-09:30

1 stop20h 10m

£1,546

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Thu 4/6

12:20-18:45

1 stop24h 25m

Chiang Rai

Mon 8/6

19:20-09:30

1 stop20h 10m

£1,549

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 17h 10m on average. If you fly from Manchester (another popular airport in United Kingdom) to Chiang Mai, then the average flight time is 23h 40m.

Cheap Chiang Rai flight deals and tips

Summary info about Chiang Rai flight prices, duration and airlines

Best One-Way Price

£348

Best Round-Trip Price

£646

Fastest flight time

31h 35m
The best one-way flight price to Chiang Rai from United Kingdom in the last 72 hours is £348 (London Stansted to Chiang Rai).
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The best round-trip flight price to Chiang Rai from United Kingdom in the last 72 hours is £646 (London Heathrow to Chiang Rai).
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The fastest flight to Chiang Rai from United Kingdom takes 31h 35m (London Stansted 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 £61 per person, Chiang Rai 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?

£43 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 59% 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 April 2026, there are 3 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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Find better results for your trip to Chiang Rai

Popular Flights to Chiang Rai

Popular routes according to searches in the past day on momondo
London to Chiang Rai Flightsfrom £919