The best pricing can be found in the month of March. Prices to Harlingen from Duluth average $286. You can even find prices in March for less than $286, as users have found deals to Harlingen from as low as $128. The month of June appears to be one of the more expensive times to travel to Harlingen from Duluth. Flying in the targeted month can save you up to 62%.
When flying from Duluth to Harlingen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.