What’s the cost of a flight from Sioux City to Harlingen?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Sioux City and Harlingen.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports near Sioux City or Harlingen offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Sioux City: Only Sioux City - Sioux Gateway is currently operating.
• Airports in Harlingen: Harlingen - Rio Grande Valley is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Flight filters for the route Sioux City – Harlingen

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Atlanta, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.