LHR - CEI

฿15,052 Find Cheap Flights from London Heathrow Airport to Chiang Rai – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 30% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
฿31,286
Typical prices: ฿43,286-฿57,278
Multiple Airlines
Sat 20/1Sun 4/2
LHR - CEI • 2 stops
Cheapest one-way flight
฿15,052
Typical prices: ฿22,427-฿25,815
Multiple Airlines
Mon 16/4
LHR - CEI • 3 stops
Direct flights
Not available
There are currently no direct flights between London Heathrow Airport and Chiang Rai. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 38% price drop
August
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Chiang Rai!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Chiang Rai (LHR-CEI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Chiang Rai

Wed 20 Jan - Thu 4 Feb
Multiple Airlines Logo
13:30 - 19:25LHR  London Heathrow-CEI Chiang Rai
22h 55m2 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
15:20 - 11:05CEI  Chiang Rai-LHR London Heathrow
26h 45m2 stops Bangkok Suvarnabhumi Mumbai Chhatrapati Shivaji Intl
฿31,286Multiple Airlines
Wed 20 Jan - Thu 4 Feb
Multiple Airlines Logo
21:20 - 19:25LHR  London Heathrow-CEI Chiang Rai
15h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
08:30 - 19:05CEI  Chiang Rai-LHR London Heathrow
17h 35m1 stop Bangkok Suvarnabhumi
฿33,952Multiple Airlines
Wed 20 Jan - Thu 4 Feb
Multiple Airlines Logo
21:20 - 19:25LHR  London Heathrow-CEI Chiang Rai
15h 05m1 stop Bangkok Suvarnabhumi
Multiple Airlines Logo
13:25 - 18:55CEI  Chiang Rai-LHR London Heathrow
36h 30m2 stops Bangkok Don Mueang Intl Mumbai Chhatrapati Shivaji Intl
฿34,121Multiple Airlines
Wed 20 Jan - Thu 4 Feb
ลุฟท์ฮันซ่า Logo
17:50 - 18:20LHR  London Heathrow-CEI Chiang Rai
17h 30m2 stops Munich Franz Josef Strauss Bangkok Suvarnabhumi
ลุฟท์ฮันซ่า Logo
18:55 - 10:45CEI  Chiang Rai-LHR London Heathrow
22h 50m3 stops Bangkok Suvarnabhumi Munich Franz Josef Strauss Frankfurt am Main
฿38,812ลุฟท์ฮันซ่า
Wed 9 Dec - Wed 16 Dec
EVA Air Logo
21:20 - 13:55LHR  London Heathrow-CEI Chiang Rai
33h 35m1 stop Bangkok Suvarnabhumi
EVA Air Logo
14:25 - 19:05CEI  Chiang Rai-LHR London Heathrow
35h 40m1 stop Bangkok Suvarnabhumi
฿41,175EVA Air
Wed 9 Dec - Wed 16 Dec
Multiple Airlines Logo
17:50 - 19:25LHR  London Heathrow-CEI Chiang Rai
18h 35m2 stops Munich Franz Josef Strauss Bangkok Suvarnabhumi
Multiple Airlines Logo
15:20 - 08:20CEI  Chiang Rai-LHR London Heathrow
24h 00m2 stops Bangkok Suvarnabhumi Vienna Intl
฿41,478Multiple Airlines
Sun 13 Dec - Tue 12 Jan
Thai Airways Logo
11:50 - 09:40LHR  London Heathrow-CEI Chiang Rai
14h 50m1 stop Bangkok Suvarnabhumi
Thai Airways Logo
14:25 - 06:40CEI  Chiang Rai-LHR London Heathrow
23h 15m1 stop Bangkok Suvarnabhumi
฿44,009Thai Airways
Wed 9 Dec - Wed 16 Dec
Multiple Airlines Logo
06:25 - 09:40LHR  London Heathrow-CEI Chiang Rai
20h 15m2 stops Istanbul Bangkok Suvarnabhumi
Multiple Airlines Logo
10:15 - 19:35CEI  Chiang Rai-LHR London Heathrow
16h 20m1 stop Bangkok Suvarnabhumi
฿47,216Multiple Airlines
Sun 13 Dec - Tue 12 Jan
กัลฟ์แอร์ Logo
21:40 - 18:20LHR  London Heathrow-CEI Chiang Rai
37h 40m2 stops Manama Bahrain Intl Bangkok Suvarnabhumi
กัลฟ์แอร์ Logo
10:15 - 14:45CEI  Chiang Rai-LHR London Heathrow
35h 30m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl
฿48,161กัลฟ์แอร์
Wed 9 Dec - Wed 16 Dec
Multiple Airlines Logo
17:50 - 19:25LHR  London Heathrow-CEI Chiang Rai
18h 35m2 stops Munich Franz Josef Strauss Bangkok Suvarnabhumi
Multiple Airlines Logo
11:10 - 08:20CEI  Chiang Rai-LHR London Heathrow
28h 10m3 stops Phuket City Bangkok Suvarnabhumi Vienna Intl
฿49,241Multiple Airlines
Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Chiang Rai flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from London Heathrow Airport to Chiang Rai?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from London Heathrow Airport to Chiang Rai. It's 34% cheaper than the average day, while Thursday is the most expensive, with prices 17% higher.

Find deals

Key details for London Heathrow Airport to Chiang Rai flights

Low season

September

Cheapest flight

฿15,052
Beat the crowds with an average 83% drop in travellers.
The most popular month to fly with an average 77% increase in travellers.
One-way flight from London Heathrow Airport to Chiang Rai

When to book flights from Heathrow to Chiang Rai

Are your dates flexible? Find out the best times to travel from Heathrow to Chiang Rai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Heathrow Airport to Chiang Rai flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from London Heathrow Airport to Chiang Rai?

    A direct flight from London Heathrow Airport to Chiang Rai takes 00m, covering 14,429 km.

  • Do I need a passport to fly from London Heathrow Airport to Chiang Rai?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London Heathrow Airport to Chiang Rai flight?

    Return flights from London Heathrow Airport to Chiang Rai range from ฿43,286 to ฿57,278, with an average of ฿50,356 over the past 12 months. Anything below ฿43,286 counts as a good deal.

  • How are flight prices from London Heathrow Airport to Chiang Rai looking right now?

    One-way fares from London Heathrow Airport to Chiang Rai are currently lower than usual. Average one-way flight prices are about ฿15,866, which is 35% below the typical average for this route.

  • Which car hire options are available at Chiang Rai Airport (CEI)?

    Chiang Rai Airport (CEI) hosts 5 major car rental companies, with daily rates starting from around ฿434 for economy cars. Top options include:

    • Drive Car Rental
    • Chic Car Rent
    • True Leasing
    • Budget
    • Hertz

  • Which airports can I use when flying from London Heathrow Airport to Chiang Rai?

    Flights from London Heathrow Airport to Chiang Rai usually depart from London Heathrow (LHR) and arrive at Chiang Rai (CEI).

  • Which airports do connecting flights from London Heathrow Airport to Chiang Rai pass through?

    Most connecting flights from London Heathrow Airport to Chiang Rai pass through Bangkok Suvarnabhumi (BKK), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Chiang Rai?

    Yes. Flexible dates can save you up to 44% on flights from London Heathrow Airport to Chiang Rai. Sunday is the cheapest departure day at ฿33,311 return on average, while Thursday is the most expensive at ฿59,096, a difference of ฿25,785.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between London Heathrow Airport and Chiang Rai?

    Chiang Rai is 7 hours ahead of London Heathrow Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking London Heathrow Airport to Chiang Rai flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average ฿33,311, which is about ฿25,785 less than Thursday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London Heathrow Airport to Chiang Rai trip for September. Fares historically average ฿31,117 return in that month – typically ฿26,156 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Rai Airport.

    • Be One Resort

More options for your flight from Heathrow to Chiang Rai

Complete your trip to Chiang Rai with a hotel stay or car hire

Car rentals in Chiang Rai
Hotels in Chiang Rai