Facts about flights from Washington to Harlingen
- The average cost for 1 stop(s) flight from Washington to Harlingen is $409.09
- Usually, people stay 8 days when travelling from Washington to Harlingen
- The average cost for 2 stop(s) flight from Washington to Harlingen is $440.80
- When flying from Washington to Harlingen, the most popular gateway is George Bush Intercontinental (IAH)
- United Airlines offers the best deal (flight UA1524) between Washington and Harlingen : 5h 53m at $306.40
- march is the cheapest time to fly between Washington and Harlingen
