Tuesday flights are generally found to be more expensive for flights from Harlingen to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.
To save up to 58% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Harlingen to Seattle from $136 1-2 weeks out and tickets from $197 for flights departing within the next 72 hours.
When flying from Harlingen to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the noon, which can drop the price by up to 49% versus a flight in the afternoon.