New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
30h 45mUzbekistan Airways
Washington, D.C. Dulles Intl
Bangkok Suvarnabhumi
1 stop
33h 25mAir India
Seattle/Tacoma Intl
Bangkok Suvarnabhumi
1 stop
20h 20mAsiana Airlines
Los Angeles
Bangkok Suvarnabhumi
1 stop
20h 45mZIPAIR
San Francisco
Bangkok Suvarnabhumi
1 stop
22h 25mPhilippine Airlines
San Francisco
Bangkok Suvarnabhumi
1 stop
24h 40mThai Airways
Washington, D.C. Dulles Intl
Bangkok Suvarnabhumi
1 stop
55h 35mBangkok Suvarnabhumi
Washington, D.C. Dulles Intl
1 stop
26h 40mSAUDIA
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
36h 10mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
40h 50mTurkish Airlines
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
30h 55mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
27h 40mRoyal Jordanian
San Francisco
Bangkok Suvarnabhumi
1 stop
32h 00mBangkok Suvarnabhumi
San Francisco
1 stop
21h 20mPhilippine Airlines
New York John F Kennedy Intl
Bangkok Suvarnabhumi
1 stop
20h 45mBangkok Suvarnabhumi
New York John F Kennedy Intl
1 stop
30h 30mQatar Airways
Chicago O'Hare Intl
Bangkok Suvarnabhumi
1 stop
19h 45mBangkok Suvarnabhumi
Chicago O'Hare Intl
1 stop
19h 55mCathay Pacific
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.