Los Angeles
Bangkok Suvarnabhumi
1 stop
20h 45mZIPAIR
Los Angeles
Bangkok Suvarnabhumi
1 stop
34h 55mXiamenAir
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
30h 45mUzbekistan Airways
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
31h 05mQatar Airways
Los Angeles
Bangkok Suvarnabhumi
2 stops
34h 00mSingapore Airlines
San Francisco
Bangkok Suvarnabhumi
1 stop
31h 10mAir India
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
26h 25mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
41h 45mSAUDIA
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
36h 10mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
40h 35mTurkish Airlines
San Francisco
Bangkok Suvarnabhumi
1 stop
27h 20mBangkok Suvarnabhumi
San Francisco
1 stop
36h 00mPhilippine Airlines
Washington, D.C. Dulles Intl
Bangkok Suvarnabhumi
1 stop
42h 40mBangkok Suvarnabhumi
Washington, D.C. Dulles Intl
1 stop
33h 35mAir India
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
30h 55mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
27h 40mRoyal Jordanian
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
1 stop
30h 40mBangkok Suvarnabhumi
Seattle/Tacoma Intl
1 stop
24h 00mQatar Airways
January
$2,757
February
$2,707
March
$2,509
April
$2,532
May
$2,747
June
$3,768
July
$2,355
August
$3,529
September
$2,806
October
$2,513
November
$2,879
December
$3,725
At the present moment the cheapest month to fly business class to Thailand is currently July; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.