Cheap flights from Oklahoma City to Southwest Washington from CA $193

View CA $193 flight on Mon, Sep. 15, 2025Opens in a new window

Popular airlines from Oklahoma City to Southwest Washington

  • Air Canada

    Air Canada

  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

  • 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 30% 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 Oklahoma City (OKC) to Southwest Washington (PDX)

Prices were available within the past 7 days and start at CA $193 for one-way flights and CA $384 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep. 15 - Wed, Sep. 17
OKC
Oklahoma City
PDX
Portland
CA $384 Roundtrip, found 6 days ago
CA $384
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep. 15 from Oklahoma City to Portland, returning Wed, Sep. 17, priced at CA $384 found 6 days ago
Delta
Mon, Sep. 15 - Wed, Sep. 17
OKC
Oklahoma City
PDX
Portland
CA $384 Roundtrip, found 6 days ago
CA $384
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep. 15 from Oklahoma City to Portland, returning Wed, Sep. 17, priced at CA $384 found 6 days ago
American Airlines
Mon, Sep. 15 - Wed, Sep. 17
OKC
Oklahoma City
PDX
Portland
CA $388 Roundtrip, found 6 days ago
CA $388
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep. 15 from Oklahoma City to Portland, returning Wed, Sep. 17, priced at CA $388 found 6 days ago
American Airlines
Mon, Sep. 15 - Wed, Sep. 17
OKC
Oklahoma City
PDX
Portland
CA $424 Roundtrip, found 6 days ago
CA $424
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep. 15 from Oklahoma City to Portland, returning Wed, Sep. 17, priced at CA $424 found 6 days ago
American Airlines
Mon, Sep. 15 - Wed, Sep. 17
OKC
Oklahoma City
PDX
Portland
CA $428 Roundtrip, found 6 days ago
CA $428
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep. 15 from Oklahoma City to Portland, returning Wed, Sep. 17, priced at CA $428 found 6 days ago
Alaska Airlines
Mon, Sep. 15 - Wed, Sep. 17
OKC
Oklahoma City
PDX
Portland
CA $497 Roundtrip, found 6 days ago
CA $497
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Sep. 15 from Oklahoma City to Portland, returning Wed, Sep. 17, priced at CA $497 found 6 days ago
*Available to Expedia members.