Cheap flights from Sioux City to Portland from £193

Travelers frequently search for route combinations, such as Sioux City and Cairo, Auckland, Austin, Cox's Bazar, Zürich, Tijuana, Dubai, Nairobi, Savannah, Amsterdam, Des Moines, Tampa, Kyiv, Sylhet, Syracuse, London, Sacramento, Toronto, Mexico City, Knoxville.

Travelers frequently search for route combinations, such as Portland and London, Los Angeles, Guadalajara, Mexico City, Edinburgh, Las Vegas, New York, San Francisco, Newcastle upon Tyne, Phoenix, Denver, Dallas, San Diego, Tokyo, Chicago, Washington, D.C., Ontario, Paris, Calgary, Salt Lake City.

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

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

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

If you don’t have specific dates for your trip between Sioux City and Portland, 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 Sioux City and Portland, 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 Sioux City. The main one is Sioux Gateway and other nearby airports include Eppley Airfield, Sioux Falls Regional, Lincoln, Sioux Gateway, Fort Dodge Regional

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, Boeing Field, Kenmore Air Harbor Seaplane Base.