Question : What day in the next four weeks has the best fares?
Answer : Feb 28th has seen bookings (as of Feb 20th) as cheap as $895. That comes in 30% below the average price for this route. Saving on flight fares means you'll have more money to spend on your trip.
Question : What price range should you expect when booking from Bangkok (BKK) to New York (LGA)?
Answer : Ranging anywhere from $895 to $5,013, prices for BKK to LGA do change much more than most routes from Thailand. However, the sooner you book, the more you'll be able to save.
Question : How long do most people visit New York?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.
Question : Can you cut down on flight costs by changing the day of the week you travel to New York?
Answer : The cheapest day to fly in March is Friday. Being flexible with your travel days garners even more savings during booking.