Kailua-Kona (KOA) to Portland (PDX) flight deal in economy from $158

UAUnited Airlines

One Way•Economy

KOA

Kona International Airport

Kailua-Kona, United States

PDX

Portland International Airport

Portland, United States

$341 USD

-54%$158 USD

Verified 15 days ago

August 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27$20828$20829$34430$20831$2381$2882$3743$2084$2085$2086$2087$2678$4379$42910$29911$26912$27713$25714$26615$36416$23817$26918$20819$19820$22621$18822$21023$18824$19825$15826$15827$19528$18829$18830$18831$1581$1582$1583$1984$2095$1886$188

Rare Availability

9% of dates checked are available within 10% of the lowest price

Sunday, August 23rd, 2026

Outbound Flights

8h 21m·1 stop

$188 USD

KOAAug 23 22:50

→

SFOAug 24 06:58

UA 1724Boeing 737MAX 9 Passenger

1h 22m layover

SFOAug 24 08:20

→

PDXAug 24 10:11

UA 2265Airbus A319

9h 33m·1 stop

$324 USD

KOAAug 23 12:04

→

SFOAug 23 20:10

UA 1722Boeing 757

2h 25m layover

SFOAug 23 22:35

→

PDXAug 24 00:37

UA 5586Embraer 175

7h 41m·1 stop

$333 USD

KOAAug 23 12:04

→

SFOAug 23 20:10

UA 1722Boeing 757

40m layover

SFOAug 23 20:50

→

PDXAug 23 22:45

UA 2413Boeing 737MAX 9 Passenger

Google Flights