Cheap flights from Portland to Phnom Penh from $553

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 Phnom Penh and Bangkok, Miami, Nashville, Siem Reap, Ho Chi Minh City, Detroit, Las Vegas, Dallas, Tulsa, Atlanta, New York, Kuala Lumpur, Los Angeles, Philadelphia, Tampa, San Francisco, Minneapolis, Cincinnati, Manila, Denpasar.

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 Phnom Penh is Phnom Penh International. It is also served by Tan Son Nhat International, Sihanoukville International, Can Tho International, Rach Gia.

Currently, you can fly between Portland and Phnom Penh with Alaska Airlines, Cathay Pacific, Korean Air, Air Canada, Singapore Airlines.

If you don’t have specific dates for your trip between Portland and Phnom Penh, 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 Phnom Penh, 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 Phnom Penh. The main one is Phnom Penh International and other nearby airports include Tan Son Nhat International, Sihanoukville International, Can Tho International, Rach Gia.