$109 Cheap American Airlines flights Dallas (DFW) to Harlingen (HRL)

Landing cheap one-way American Airlines flights from DFW to HRL from $109 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $217 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

To find cheap American Airlines fares from Dallas-Fort Worth Intl. Airport (DFW) to Valley Intl. Airport (HRL), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first flight from DFW to HRL with American Airlines leaves at 8:10AM UTC-6. You'll touch down at 9:52AM UTC-6. The last American Airlines flight of the day leaves at 10:35PM UTC-6 and arrives at 12:14AM UTC-6. With approximately 20% fewer cancellations for early and mid-morning flights, beginning your travel day early is typically the smartest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.