Cheap flights from Portland to Sioux City from £322

Travelers frequently search for route combinations, such as Portland and Las Vegas, Mexico City, London, Guadalajara, Los Angeles, San Diego, Phoenix, Dallas, Edinburgh, Manchester, San Francisco, Ontario, Minneapolis, Denver, Houston, Cleveland, Burbank, Chicago, Atlanta, Salt Lake City.

Travelers frequently search for route combinations, such as Sioux City and Chicago, Asheville, Memphis, Louisville, Tampa, Amsterdam, Yerevan, Accra, San Pedro Sula, Puerto Vallarta, São Paulo, Chittagong, Managua, Fort Lauderdale, Washington, D.C., Philadelphia, Guayaquil, Warsaw, Key West, Kansas City.

The main airport in Portland is Portland International. It is also served by Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base, Boeing Field.

The main airport in Sioux City is Sioux Gateway. It is also served by Eppley Airfield, Sioux Falls Regional, Sioux Gateway, Fort Dodge Regional, Lincoln.

Currently, you can fly between Portland and Sioux City with United Airlines, Hawaiian Airlines, Alaska Airlines.

If you don’t have specific dates for your trip between Portland and Sioux City, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Portland and Sioux City, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Portland. The main one is Portland International and other nearby airports include Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base, Boeing Field

There are a number of airports in and around Sioux City. The main one is Sioux Gateway and other nearby airports include Eppley Airfield, Sioux Falls Regional, Sioux Gateway, Fort Dodge Regional, Lincoln.