Cheap flights from Portland to Southeast Region

View AU$612 flight on Wed, 3 Sep. 2025Opens in a new window

Popular airlines from Portland to Southeast Region

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland (PDX) to Southeast Region (RIO)

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

Alaska Airlines
Wed, 3 Sep. - Wed, 10 Sep.
PDX
Portland
GRU
Sao Paulo
AU$1,438 Return, found 4 days ago
AU$1,438
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 3 Sep. from Portland to Sao Paulo, returning Wed, 10 Sep., priced at AU$1,438 found 4 days ago
Alaska Airlines
Wed, 3 Sep. - Wed, 10 Sep.
PDX
Portland
GRU
Sao Paulo
AU$1,591 Return, found 4 days ago
AU$1,591
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 3 Sep. from Portland to Sao Paulo, returning Wed, 10 Sep., priced at AU$1,591 found 4 days ago
Copa
Wed, 3 Sep. - Wed, 10 Sep.
PDX
Portland
GRU
Sao Paulo
AU$1,639 Return, found 4 days ago
AU$1,639
Return
found 4 days ago
Select Copa flight, departing Wed, 3 Sep. from Portland to Sao Paulo, returning Wed, 10 Sep., priced at AU$1,639 found 4 days ago
Aeromexico
Wed, 3 Sep. - Wed, 10 Sep.
PDX
Portland
GRU
Sao Paulo
AU$1,661 Return, found 4 days ago
AU$1,661
Return
found 4 days ago
Select Aeromexico flight, departing Wed, 3 Sep. from Portland to Sao Paulo, returning Wed, 10 Sep., priced at AU$1,661 found 4 days ago
Air Canada
Wed, 3 Sep. - Wed, 10 Sep.
PDX
Portland
GRU
Sao Paulo
AU$1,810 Return, found 4 days ago
AU$1,810
Return
found 4 days ago
Select Air Canada flight, departing Wed, 3 Sep. from Portland to Sao Paulo, returning Wed, 10 Sep., priced at AU$1,810 found 4 days ago
Delta
Wed, 3 Sep. - Wed, 10 Sep.
PDX
Portland
GRU
Sao Paulo
AU$1,960 Return, found 4 days ago
AU$1,960
Return
found 4 days ago
Select Delta flight, departing Wed, 3 Sep. from Portland to Sao Paulo, returning Wed, 10 Sep., priced at AU$1,960 found 4 days ago
*Available to Expedia members.