Find cheap flights from Philadelphia to Sioux City from $393

In the last 3 days, the lowest price for a flight from Philadelphia to Sioux City was $393 for a round-trip ticket.

No, a passport isn't needed to fly from Philadelphia to Sioux City. However, local authorities might ask for an official ID.

Philadelphia and Sioux City are both served by 1 main airport. You will leave Philadelphia from Philadelphia and will be arriving at Sioux City Sioux Gateway.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Philadelphia and Sioux City.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Sioux City.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux City from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux City with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and SUX can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux City from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.