Cheap flights from Portland to Thief River Falls from $270

Travelers frequently search for route combinations, such as Portland and Guadalajara, Mexico City, Los Angeles, Las Vegas, Phoenix, San Francisco, Oaxaca, Denver, Kailua, San Diego, Ontario, Chicago, Puerto Escondido, Oaxaca, New York, Calgary, San José del Cabo, London, Dallas, Puerto Vallarta, Tokyo.

Travelers frequently search for route combinations, such as Thief River Falls and Minneapolis, Philadelphia, Indianapolis, Omaha, Jacksonville, San Diego, Boston, San Antonio, Raleigh, Denver, Tampa, Grand Rapids, Orlando, Sacramento, Dallas, Las Vegas, Kansas City, Honolulu, Detroit.

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.

The main airport in Thief River Falls is Thief River Falls Regional. It is also served by Winnipeg James Armstrong Richardson International, Hector International, Thief River Falls Regional, Bemidji Regional, Grand Forks International, Devils Lake Regional.

Currently, you can fly between Portland and Thief River Falls with Key Lime Air, Sun Country Airlines, Frontier Airlines, Allegiant Air, BREEZE.

If you don’t have specific dates for your trip between Portland and Thief River Falls, 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 Thief River Falls, 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, Boeing Field, Kenmore Air Harbor Seaplane Base

There are a number of airports in and around Thief River Falls. The main one is Thief River Falls Regional and other nearby airports include Winnipeg James Armstrong Richardson International, Hector International, Thief River Falls Regional, Bemidji Regional, Grand Forks International, Devils Lake Regional.