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Flights to Chiang Rai

£412 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 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
08:25 - 14:50
LHR
-
CEI
24h 25m
2 stops
Multiple Airlines Logo
08:30 - 06:30
CEI
-
LHR
28h 00m
2 stops
£626Multiple Airlines
Fri, 24 Apr - Fri, 1 May
Multiple Airlines Logo
15:05 - 18:20
LHR
-
CEI
21h 15m
2 stops
Multiple Airlines Logo
13:40 - 07:30
CEI
-
LHR
23h 50m
2 stops
£727Multiple Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
13:40 - 18:20
LHR
-
CEI
22h 40m
2 stops
Multiple Airlines Logo
13:40 - 07:30
CEI
-
LHR
23h 50m
2 stops
£728Multiple Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
08:05 - 18:20
LHR
-
CEI
28h 15m
2 stops
Multiple Airlines Logo
10:10 - 06:25
CEI
-
LHR
26h 15m
2 stops
£728Multiple Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
15:05 - 18:20
LHR
-
CEI
21h 15m
2 stops
Multiple Airlines Logo
18:55 - 13:15
CEI
-
LHR
24h 20m
2 stops
£730Multiple Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
08:05 - 18:20
LHR
-
CEI
28h 15m
2 stops
Multiple Airlines Logo
10:10 - 06:35
CEI
-
LHR
26h 25m
2 stops
£731Multiple Airlines
Sun, 3 May - Thu, 11 Jun
Multiple Airlines Logo
11:20 - 18:35
LHR
-
CEI
25h 15m
1 stop
Multiple Airlines Logo
16:25 - 18:10
CEI
-
LHR
31h 45m
2 stops
£832Multiple Airlines
Fri, 24 Apr - Fri, 1 May
Singapore Airlines Logo
11:20 - 18:45
LHR
-
CEI
25h 25m
1 stop
Singapore Airlines Logo
15:45 - 05:55
CEI
-
LHR
20h 10m
1 stop
£863Singapore Airlines
Sun, 3 May - Thu, 11 Jun
Singapore Airlines Logo
11:20 - 18:45
LHR
-
CEI
25h 25m
1 stop
Singapore Airlines Logo
15:45 - 05:55
CEI
-
LHR
20h 10m
1 stop
£864Singapore Airlines
Sun, 3 May - Thu, 11 Jun
Singapore Airlines Logo
11:20 - 18:45
LHR
-
CEI
25h 25m
1 stop
Singapore Airlines Logo
15:45 - 05:55
CEI
-
LHR
20h 10m
1 stop
£864Singapore Airlines
Sun, 3 May - Thu, 11 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 10 March 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 24/4

08:25-14:50

2 stops24h 25m

Chiang Rai

Fri 1/5

08:30-06:30

2 stops28h 00m

£626
Fastest return journey

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

15:05-18:20

2 stops21h 15m

Chiang Rai

Thu 11/6

13:40-07:30

2 stops23h 50m

£727

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

13:40-18:20

2 stops22h 40m

Chiang Rai

Thu 11/6

13:40-07:30

2 stops23h 50m

£728

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

08:05-18:20

2 stops28h 15m

Chiang Rai

Thu 11/6

10:10-06:25

2 stops26h 15m

£728

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

15:05-18:20

2 stops21h 15m

Chiang Rai

Thu 11/6

18:55-13:15

2 stops24h 20m

£730

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

08:05-18:20

2 stops28h 15m

Chiang Rai

Thu 11/6

10:10-06:35

2 stops26h 25m

£731

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 24/4

11:20-18:35

1 stop25h 15m

Chiang Rai

Fri 1/5

16:25-18:10

2 stops31h 45m

£832

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-18:45

1 stop25h 25m

Chiang Rai

Thu 11/6

15:45-05:55

1 stop20h 10m

£863

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-18:45

1 stop25h 25m

Chiang Rai

Thu 11/6

15:45-05:55

1 stop20h 10m

£864

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-18:45

1 stop25h 25m

Chiang Rai

Thu 11/6

15:45-05:55

1 stop20h 10m

£864

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 14h 20m on average. If you fly from Manchester (another popular airport in United Kingdom) to Chiang Mai, then the average flight time is 22h 25m.

Cheap Chiang Rai flight deals and tips

Summary info about Chiang Rai flight prices, duration and airlines

Best One-Way Price

£412

Best Round-Trip Price

£626

Fastest flight time

25h 25m
The best one-way flight price to Chiang Rai from United Kingdom in the last 72 hours is £412 (London Heathrow 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 £626 (London Heathrow to Chiang Rai).
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The fastest flight to Chiang Rai from United Kingdom takes 25h 25m (London Gatwick 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 £59 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?

£38 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 36% 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 March 2026, there are 4 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 £837