Multnomah County Flights - Book Cheap Flights to Multnomah County

View RM351 flight on Sat, 16 May 2026Opens in a new window

Popular airlines to Multnomah County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Multnomah County

Prices were available within the past 7 days and start at RM351 for one-way flights and RM737 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 13 Jun - Tue, 16 Jun
SFO
San Francisco
PDX
Portland
RM737 Return, found 1 day ago
RM737
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 13 Jun from San Francisco to Portland, returning Tue, 16 Jun, priced at RM737 found 1 day ago
United
Thu, 18 Jun - Sun, 21 Jun
SFO
San Francisco
PDX
Portland
RM1,013 Return, found 1 day ago
RM1,013
Return
found 1 day ago
Select United flight, departing Thu, 18 Jun from San Francisco to Portland, returning Sun, 21 Jun, priced at RM1,013 found 1 day ago
American Airlines
Mon, 15 Jun - Thu, 18 Jun
SFO
San Francisco
PDX
Portland
RM1,095 Return, found 1 day ago
RM1,095
Return
found 1 day ago
Select American Airlines flight, departing Mon, 15 Jun from San Francisco to Portland, returning Thu, 18 Jun, priced at RM1,095 found 1 day ago
United
Sat, 7 Mar - Sat, 14 Mar
EWR
New York
PDX
Portland
RM1,207 Return, found 12 hours ago
RM1,207
Return
found 12 hours ago
Select United flight, departing Sat, 7 Mar from New York to Portland, returning Sat, 14 Mar, priced at RM1,207 found 12 hours ago
Delta
Mon, 15 Jun - Thu, 18 Jun
SFO
San Francisco
PDX
Portland
RM1,367 Return, found 1 day ago
RM1,367
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Jun from San Francisco to Portland, returning Thu, 18 Jun, priced at RM1,367 found 1 day ago
Delta
Sat, 7 Mar - Sat, 14 Mar
JFK
New York
PDX
Portland
RM1,443 Return, found 12 hours ago
RM1,443
Return
found 12 hours ago
Select Delta flight, departing Sat, 7 Mar from New York to Portland, returning Sat, 14 Mar, priced at RM1,443 found 12 hours ago
United
Sat, 7 Mar - Sat, 14 Mar
LGA
New York
PDX
Portland
RM1,796 Return, found 12 hours ago
RM1,796
Return
found 12 hours ago
Select United flight, departing Sat, 7 Mar from New York to Portland, returning Sat, 14 Mar, priced at RM1,796 found 12 hours ago
Delta
Mon, 16 Mar - Fri, 20 Mar
DCA
Washington
PDX
Portland
RM1,923 Return, found 1 day ago
RM1,923
Return
found 1 day ago
Select Delta flight, departing Mon, 16 Mar from Washington to Portland, returning Fri, 20 Mar, priced at RM1,923 found 1 day ago
China Airlines
Mon, 20 Apr - Mon, 27 Apr
SIN
Singapore
PDX
Portland
RM3,821 Return, found 1 day ago
RM3,821
Return
found 1 day ago
Select China Airlines flight, departing Mon, 20 Apr from Singapore to Portland, returning Mon, 27 Apr, priced at RM3,821 found 1 day ago
STARLUX Airlines
Wed, 15 Apr - Fri, 10 Jul
SIN
Singapore
PDX
Portland
RM3,935 Return, found 6 days ago
RM3,935
Return
found 6 days ago
Select STARLUX Airlines flight, departing Wed, 15 Apr from Singapore to Portland, returning Fri, 10 Jul, priced at RM3,935 found 6 days ago

About Multnomah County

Expedia offers flights to Multnomah County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Multnomah County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Multnomah County that have flexible change policies?
It's quick and easy with Expedia. Step 1: Enter your preferred travel dates and click on "Search." Next step? Check "No change fee" directly below the "Flexible change policies" filter to the left of your screen. Step 3. Reserve your flexible and cheap flight to Multnomah County.
Which airlines fly to Multnomah County?
When you're ready to lock in your airfare to or near Multnomah County, these leading airlines look forward to welcoming you aboard:

  • Alaska Airlines - 2,614 flights to or near Multnomah County each month, including 2,614 flights to Portland Intl. Airport (PDX) per month.
  • Delta Air Lines - 814 flights to or near Multnomah County each month, including 814 flights to Portland Intl. Airport (PDX) per month.
  • Southwest Airlines - 784 flights to or near Multnomah County each month, including 784 flights to Portland Intl. Airport (PDX) per month.

How can I find cheap tickets to Multnomah County?
To nab a terrific deal to Multnomah County, book well ahead. Also take advantage of Expedia's "flexible dates" feature above your search results. This will list the cheapest prices for nearby days. In the last seven days, RM737 was the best price for a flight to Multnomah County.
How much is a flight to Multnomah County?
One-way flights from San Francisco (SFO) sold for as little as RM351 in the last seven days. During this time, the cost of a return journey to Multnomah County ranged between RM737 and RM4,067. If you spot a good deal, book fast — these prices don't wait around for long.
What are the most popular airports to fly into in Multnomah County?
Portland Intl. Airport (PDX) is the main gateway for many eager to visit Multnomah County. Around 5,648 monthly flights land at this airport.
How much is a plane ticket to Multnomah County?
In the last seven days, journeys to Multnomah County cost between RM737 and RM4,067. Prices depend on a number of things, particularly the departure time, seating class, airline and how early you make your booking.
What is the best time to go to Multnomah County?
A fantastic time to go to Portland is after June 20 when summer starts. In Multnomah County's major city, temperatures fluctuate from 10ºC to 27ºC during this time — ideal weather for touring around! June, July and August are the most popular months to visit.
What months are the cheapest to book a flight to Multnomah County?
February is the best month to score an awesome deal to Multnomah County. Keep in mind that the most expensive time to make a purchase in the USA isn't during the height of summer, but the month of December.

Trending flights to Multnomah County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Mon, 7 Sept - Mon, 14 Sept
KUL
Kuala Lumpur
PDX
Portland
RM4,067 Return, found 1 day ago
RM4,067
Return
found 1 day ago
Select China Airlines flight, departing Mon, 7 Sept from Kuala Lumpur to Portland, returning Mon, 14 Sept, priced at RM4,067 found 1 day ago
*Available to Expedia members.