Cheap flights from Sioux City to Portland from $303

Travelers frequently search for route combinations, such as Sioux City and Toronto, Cúcuta, Lucknow, Pereira, Lisbon, Cancún, Rome, Santiago de Chile, Cartagena, Panama, Montevideo, Lagos, Savannah, Buenos Aires, Asunción, Tokyo, Honolulu, Accra, San Juan, Oakland.

Travelers frequently search for route combinations, such as Portland and San Diego, Las Vegas, Phoenix, Los Angeles, Guadalajara, Dallas, Mexico City, San Francisco, Minneapolis, Ontario, Denver, Chicago, New York, Santa Ana, Atlanta, Burbank, London, Cincinnati, Sacramento, Managua.

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

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.

Currently, you can fly between Sioux City and Portland with United 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, Fort Dodge Regional, Sioux Gateway

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.