Cheap Flights from London to Chiang Rai

View €541 flight on Fri, 30 May 2025Opens in a new window

Featured airlines

Lufthansa
Aer Lingus
Stobart Air
Ryanair
British Airways
American Airlines
Air France
Virgin Atlantic
Iberia

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 15% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from London to Chiang Rai (LON-CEI)

Prices were available within the past 7 days and start at €541 for one-way flights and €854 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Sat, 7 Jun - Sat, 14 Jun
LHR
London
CEI
Chiang Rai
€854 Return, found 5 days ago
€854
Return
found 5 days ago
Select Austrian Airlines flight, departing Sat, 7 Jun from London to Chiang Rai, returning Sat, 14 Jun, priced at €854 found 5 days ago
Swiss International Air Lines
Sat, 7 Jun - Sat, 14 Jun
LHR
London
CEI
Chiang Rai
€858 Return, found 5 days ago
€858
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Sat, 7 Jun from London to Chiang Rai, returning Sat, 14 Jun, priced at €858 found 5 days ago
Qatar Airways
Sat, 7 Jun - Sat, 14 Jun
LHR
London
CEI
Chiang Rai
€903 Return, found 5 days ago
€903
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 7 Jun from London to Chiang Rai, returning Sat, 14 Jun, priced at €903 found 5 days ago
Swiss International Air Lines
Sat, 7 Jun - Sat, 14 Jun
LHR
London
CEI
Chiang Rai
€906 Return, found 5 days ago
€906
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Sat, 7 Jun from London to Chiang Rai, returning Sat, 14 Jun, priced at €906 found 5 days ago
Qatar Airways
Sat, 7 Jun - Sat, 14 Jun
LGW
London
CEI
Chiang Rai
€925 Return, found 5 days ago
€925
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 7 Jun from London to Chiang Rai, returning Sat, 14 Jun, priced at €925 found 5 days ago
Austrian Airlines
Sat, 7 Jun - Sat, 14 Jun
LHR
London
CEI
Chiang Rai
€930 Return, found 5 days ago
€930
Return
found 5 days ago
Select Austrian Airlines flight, departing Sat, 7 Jun from London to Chiang Rai, returning Sat, 14 Jun, priced at €930 found 5 days ago
*Available to Expedia members.