Los Angeles
Bangkok Suvarnabhumi
1 stop
20h 45mZIPAIR
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
32h 10mAir India
Los Angeles
Bangkok Suvarnabhumi
1 stop
24h 25mThai Airways
San Francisco
Bangkok Suvarnabhumi
1 stop
27h 20mPhilippine Airlines
New York John F Kennedy Intl
Bangkok Suvarnabhumi
3 stops
41h 35mMultiple Airlines
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
1 stop
32h 50mANA
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
42h 00mTurkish Airlines
Newark
Bangkok Suvarnabhumi
1 stop
35h 30mBangkok Suvarnabhumi
Newark
1 stop
30h 10mSingapore Airlines
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
2 stops
38h 05mBangkok Suvarnabhumi
Seattle/Tacoma Intl
1 stop
19h 45mPhilippine Airlines
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
32h 10mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
31h 40mAir 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
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.