Find a great deal and save up to 9% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Harlingen to Bangkok within the next two weeks, with the cheapest ticket starting at $800.
April can be a great time to fly to Bangkok from Harlingen with a flight ticket averaging about $828. Cheapflights users have found deals in the month of April for as cheap as $570. The most expensive prices can be found in the month of June.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Harlingen to Bangkok as you normally would.