Los Angeles
Bangkok Suvarnabhumi
1 stop
34h 55mXiamenAir
Washington, D.C. Dulles Intl
Bangkok Suvarnabhumi
1 stop
33h 25mAir India
Los Angeles
Bangkok Suvarnabhumi
1 stop
20h 45mZIPAIR
New York John F Kennedy Intl
Bangkok Suvarnabhumi
3 stops
44h 40mMultiple Airlines
San Francisco
Bangkok Suvarnabhumi
1 stop
22h 25mPhilippine Airlines
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
1 stop
21h 55mANA
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
39h 45mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
41h 45mSAUDIA
Los Angeles
Bangkok Suvarnabhumi
1 stop
44h 40mBangkok Suvarnabhumi
Los Angeles
1 stop
32h 50mTurkish Airlines
San Francisco
Bangkok Suvarnabhumi
1 stop
27h 20mBangkok Suvarnabhumi
San Francisco
1 stop
21h 20mPhilippine Airlines
Newark
Bangkok Suvarnabhumi
1 stop
35h 30mBangkok Suvarnabhumi
Newark
1 stop
30h 10mSingapore Airlines
Chicago O'Hare Intl
Bangkok Suvarnabhumi
1 stop
19h 45mBangkok Suvarnabhumi
Chicago O'Hare Intl
1 stop
19h 55mCathay Pacific
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
30h 45mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
23h 50mQatar Airways
January
$2,757
February
$2,810
March
$2,781
April
$2,650
May
$3,027
June
$2,454
July
$2,355
August
$3,541
September
$2,760
October
$2,507
November
$2,915
December
$3,424
At the present moment the cheapest month to fly business class to Thailand is currently July; with August being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.