Cheap flights from London to Chiang Rai

Featured airlines

Air Canada
Air Transat
WestJet
American Airlines
Flair Airlines
Philippine Airlines
Air India
Lufthansa
Caribbean Airlines

  • 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 30% 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 (LON) to Chiang Rai (CEI)

Prices were available within the past 7 days and start at for one-way flights and CA $1,463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,463 Roundtrip, found 2 days ago
CA $1,463
Roundtrip
found 2 days ago
Select Thai Airways International flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,463 found 2 days ago
Thai Airways International
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,469 Roundtrip, found 2 days ago
CA $1,469
Roundtrip
found 2 days ago
Select Thai Airways International flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,469 found 2 days ago
Austrian Airlines
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,731 Roundtrip, found 2 days ago
CA $1,731
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,731 found 2 days ago
Austrian Airlines
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,755 Roundtrip, found 2 days ago
CA $1,755
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,755 found 2 days ago
Austrian Airlines
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,807 Roundtrip, found 2 days ago
CA $1,807
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,807 found 2 days ago
Qatar Airways
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,861 Roundtrip, found 2 days ago
CA $1,861
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,861 found 2 days ago
Lufthansa
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,910 Roundtrip, found 2 days ago
CA $1,910
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,910 found 2 days ago
Austrian Airlines
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,913 Roundtrip, found 2 days ago
CA $1,913
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,913 found 2 days ago
Austrian Airlines
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,914 Roundtrip, found 2 days ago
CA $1,914
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,914 found 2 days ago
Qatar Airways
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,917 Roundtrip, found 2 days ago
CA $1,917
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,917 found 2 days ago
Qatar Airways
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,921 Roundtrip, found 2 days ago
CA $1,921
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,921 found 2 days ago
Swiss International Air Lines
Tue., Oct. 21 - Fri., Oct. 31
LHR
London
CEI
Chiang Rai
CA $1,994 Roundtrip, found 2 days ago
CA $1,994
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue., Oct. 21 from London to Chiang Rai, returning Fri., Oct. 31, priced at CA $1,994 found 2 days ago
*Available to Expedia members.