$99 Cheap United flights San Francisco (SFO) to Portland (PDX)

View $99 flight on Tue, Apr 28, 2026Opens in a new window

$99 Cheap United flights San Francisco (SFO) to Portland (PDX)

Prices were available within the past 7 days and start at $99 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$147 Roundtrip, found 12 hours ago
$147
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $147 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$169 Roundtrip, found 12 hours ago
$169
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $169 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$172 Roundtrip, found 12 hours ago
$172
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $172 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$186 Roundtrip, found 12 hours ago
$186
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $186 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$194 Roundtrip, found 12 hours ago
$194
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $194 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$227 Roundtrip, found 12 hours ago
$227
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $227 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$249 Roundtrip, found 12 hours ago
$249
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $249 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$252 Roundtrip, found 12 hours ago
$252
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $252 found 12 hours ago
United
Tue, Apr 28 - Mon, May 4
SFO
San Francisco
PDX
Portland
$257 Roundtrip, found 12 hours ago
$257
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Apr 28 from San Francisco to Portland, returning Mon, May 4, priced at $257 found 12 hours ago

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $191
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $191

Find the cheapest month to fly from San Francisco (SFO) to Portland (PDX)

January is typically the cheapest month to fly

From $48 - $147 per traveler.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
American Airlines
Distance
881 km
Average flight time
1 hour 54 mins

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