Los Angeles
Bangkok Suvarnabhumi
1 stop
20h 45mZIPAIR
Los Angeles
Bangkok Suvarnabhumi
1 stop
23h 50mQatar Airways
Los Angeles
Bangkok Suvarnabhumi
1 stop
32h 20mThai Airways
San Francisco
Bangkok Suvarnabhumi
1 stop
27h 20mPhilippine Airlines
San Francisco
Bangkok Suvarnabhumi
1 stop
31h 10mAir India
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
2 stops
24h 30mANA
Washington, D.C. Dulles Intl
Bangkok Suvarnabhumi
1 stop
31h 35mBangkok Suvarnabhumi
Washington, D.C. Dulles Intl
1 stop
24h 30mSAUDIA
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
21h 30mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
40h 35mTurkish Airlines
Los Angeles
Bangkok Suvarnabhumi
1 stop
22h 35mBangkok Suvarnabhumi
Los Angeles
1 stop
29h 25mPhilippine Airlines
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
1 stop
30h 15mBangkok Suvarnabhumi
Seattle/Tacoma Intl
1 stop
24h 00mQatar Airways
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
30h 55mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
27h 40mRoyal Jordanian
Los Angeles
Bangkok Suvarnabhumi
2 stops
33h 30mBangkok Suvarnabhumi
Los Angeles
1 stop
21h 10mMultiple Airlines
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.