How to find the cheapest flight from
Washington Dulles Intl (IAD) to Harlingen (HRL)
What is the cheapest day to fly round-trip from Washington Dulles Intl to Harlingen?
Departing on a Monday is a good option for securing a great price. You can expect to save up to 56% when planning your travel around this day of the week.
When is the cheapest time to fly from Washington Dulles Intl to Harlingen (IAD - HRL)?
When flying from Washington Dulles Intl to Harlingen, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 26% versus a flight in the afternoon.
Related info for your journey
Useful info, stats and facts about Washington Dulles Intl to Harlingen flights.
Destination information for Harlingen
Things to know before you go. Useful info for your trip from Washington Dulles Intl to Harlingen