Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Bangkok. Flights to Bangkok from South Bend in September are about $750 on average during September, but can be found for as low as $559.
To save up to 24% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from South Bend to Bangkok from $786 1-2 weeks out and tickets from $889 for flights departing within the next 72 hours.
When flying from South Bend to Bangkok, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.