$65+ Cheap flights from Portland (PDX) to Palo Alto, CA
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Palo Alto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Palo Alto are usually found in January or October, booked 64 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from Portland to Palo Alto
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Palo AltoExplore the most affordable flight options available from Portland to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from Portland to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am -
1 stop6h 13m
Mon 9/1410:29 am -
1 stop6h 40m
Deal found 8/17![Delta logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:54 am -
Nonstop1h 52m
Fri 11/137:42 am -
Nonstop1h 46m
Deal found 8/17![Alaska Airlines logo]()
$139
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:50 pm -
Nonstop1h 53m
Mon 9/149:02 pm -
Nonstop1h 49m
Deal found 8/17![Alaska Airlines logo]()
$140
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:50 pm -
Nonstop1h 53m
Sat 9/267:23 am -
Nonstop1h 44m
Deal found 8/17![Alaska Airlines logo]()
$141
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:53 pm -
Nonstop2h 01m
Mon 9/218:23 am -
Nonstop1h 46m
Deal found 8/17![Alaska Airlines logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:53 pm -
Nonstop2h 01m
Mon 10/59:25 pm -
Nonstop1h 49m
Deal found 8/17![Alaska Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:37 am -
Nonstop2h 02m
Wed 9/237:11 pm -
1 stop16h 25m
Deal found 8/15![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:38 pm -
1 stop11h 36m
Mon 9/149:02 pm -
Nonstop1h 49m
Deal found 8/18![Multiple Airlines logo]()
$145
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:02 am -
1 stop23h 20m
Mon 9/149:02 pm -
Nonstop1h 49m
Deal found 8/17![Multiple Airlines logo]()
$146
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:02 am -
1 stop23h 20m
Thu 9/247:23 am -
Nonstop1h 44m
Deal found 8/16![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:11 pm -
1 stop4h 56m
Tue 10/132:57 pm -
Nonstop1h 47m
Deal found 8/17![Multiple Airlines logo]()
$148
Best flights from Portland to Palo AltoDiscover carefully curated flight deals from Portland to Palo Alto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Portland to Palo Alto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Southwest deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am -
1 stop5h 50m
Tue 11/32:25 pm -
1 stop7h 05m
Deal found 8/15![Southwest logo]()
$151
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am -
Nonstop1h 51m
Sun 10/47:05 pm -
Nonstop1h 55m
Deal found 8/14![United Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:35 pm -
Nonstop1h 53m
Sun 9/611:56 am -
Nonstop1h 50m
Deal found 8/13![Alaska Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:50 pm -
1 stop4h 50m
Wed 10/2811:05 am -
1 stop8h 15m
Deal found 8/15![Southwest logo]()
$151
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:20 am -
2 stops7h 10m
Mon 9/141:30 pm -
1 stop7h 45m
Deal found 8/17![Southwest logo]()
$156
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am -
Nonstop1h 51m
Sun 9/2710:39 pm -
Nonstop1h 55m
Deal found 8/17![United Airlines logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:55 am -
1 stop5h 05m
Tue 9/158:23 am -
Nonstop1h 46m
Deal found 8/15![Alaska Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:00 pm -
1 stop7h 20m
Tue 9/2211:15 am -
2 stops11h 00m
Deal found 8/16![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:55 am -
2 stops7h 45m
Thu 10/14:00 pm -
2 stops7h 05m
Deal found 8/14![Southwest logo]()
$161
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:55 am -
2 stops7h 10m
Wed 10/78:10 am -
2 stops6h 45m
Deal found 8/16![Southwest logo]()
$161
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:50 am -
2 stops6h 45m
Tue 11/107:00 am -
2 stops8h 35m
Deal found 8/14![Southwest logo]()
$161
Last-minute flights from Portland to Palo AltoDiscover last-minute flight deals from Portland to Palo Alto. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Palo Alto. Data last updated August 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop11h 58m
Wed 9/98:23 am -
Nonstop1h 46m
Deal found 8/14![Multiple Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am -
1 stop6h 13m
Mon 9/1410:29 am -
1 stop6h 40m
Deal found 8/17![Delta logo]()
$137
This Kissandfly.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:38 pm -
1 stop19h 11m
Mon 9/148:50 pm -
Nonstop1h 55m
Deal found 8/18![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:38 pm -
1 stop11h 36m
Mon 9/149:02 pm -
Nonstop1h 49m
Deal found 8/18![Multiple Airlines logo]()
$145
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:50 pm -
Nonstop1h 53m
Mon 9/149:02 pm -
Nonstop1h 49m
Deal found 8/17![Alaska Airlines logo]()
$140
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:02 am -
1 stop23h 20m
Mon 9/149:02 pm -
Nonstop1h 49m
Deal found 8/17![Multiple Airlines logo]()
$146
This Orbitz deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:02 am -
1 stop10h 25m
Thu 9/177:23 am -
Nonstop1h 44m
Deal found 8/16![Multiple Airlines logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:53 pm -
Nonstop2h 01m
Mon 9/218:23 am -
Nonstop1h 46m
Deal found 8/17![Alaska Airlines logo]()
$142
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:50 pm -
Nonstop1h 53m
Sat 9/267:23 am -
Nonstop1h 44m
Deal found 8/17![Alaska Airlines logo]()
$141
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:02 am -
1 stop23h 20m
Thu 9/247:23 am -
Nonstop1h 44m
Deal found 8/16![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:37 am -
Nonstop2h 02m
Wed 9/237:11 pm -
1 stop16h 25m
Deal found 8/15![Multiple Airlines logo]()
$144
One-way flights from Portland to Palo AltoSearch for one-way flight options from Portland to Palo Alto. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Portland to Palo Alto. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Super.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:24 pm -
1 stop6h 00m
Deal found 8/15![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:49 am -
1 stop6h 12m
Deal found 8/17![Frontier logo]()
$66
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 am -
1 stop7h 24m
Deal found 8/17![Delta logo]()
$69
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:38 pm -
1 stop11h 36m
Deal found 8/18![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:49 am -
1 stop12h 26m
Deal found 8/18![Frontier logo]()
$72
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:42 pm -
Nonstop1h 55m
Deal found 8/17![Alaska Airlines logo]()
$74
This Super.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:11 pm -
1 stop4h 56m
Deal found 8/16![Frontier logo]()
$75
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:50 pm -
Nonstop1h 54m
Deal found 8/17![Alaska Airlines logo]()
$76
This Mytrip deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:24 pm -
1 stop6h 00m
Deal found 8/15![Frontier logo]()
$77
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:25 pm -
1 stop4h 40m
Deal found 8/13![Delta logo]()
$79
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:35 am -
1 stop6h 37m
Deal found 8/13![American Airlines logo]()
$80
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:10 pm -
2 stops6h 25m
Deal found 8/17![Southwest logo]()
$81
Find flight deals from Portland to Palo Alto
Keep the following information in mind while searching for Portland to Palo Alto flight deals. Data was last updated August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Delta) |
One-way from | $65 (Super.com) |
Popular in | March |
Cheapest in | January |
Average price | $249 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Palo Alto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2026.
Use the filters below to find and compare flights from Portland to Palo Alto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Tue 11/3
6:30 am-12:20 pm
1 stop5h 50m
San Francisco
Tue 11/3
2:25 pm-9:30 pm
1 stop7h 05m
$151
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Mon 10/19
7:50 pm-12:40 am
1 stop4h 50m
San Francisco
Wed 10/28
11:05 am-7:20 pm
1 stop8h 15m
$151
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Thu 9/10
9:20 am-4:30 pm
2 stops7h 10m
San Francisco
Mon 9/14
1:30 pm-9:15 pm
1 stop7h 45m
$156
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Tue 9/15
4:00 pm-11:20 pm
1 stop7h 20m
San Francisco
Tue 9/22
11:15 am-10:15 pm
2 stops11h 00m
$156
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Tue 9/29
6:55 am-2:40 pm
2 stops7h 45m
San Francisco
Thu 10/1
4:00 pm-11:05 pm
2 stops7h 05m
$161
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Wed 9/30
6:55 am-2:05 pm
2 stops7h 10m
San Francisco
Wed 10/7
8:10 am-2:55 pm
2 stops6h 45m
$161
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Sat 11/7
11:50 am-6:35 pm
2 stops6h 45m
San Francisco
Tue 11/10
7:00 am-3:35 pm
2 stops8h 35m
$161
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Thu 10/1
7:00 am-8:51 am
Nonstop1h 51m
San Francisco
Sun 10/4
7:05 pm-9:00 pm
Nonstop1h 55m
$162
Quickest round-trip
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Fri 9/4
9:35 pm-11:28 pm
Nonstop1h 53m
San Francisco
Sun 9/6
11:56 am-1:46 pm
Nonstop1h 50m
$171
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Fri 9/25
7:00 am-8:51 am
Nonstop1h 51m
San Francisco
Sun 9/27
10:39 pm-12:34 am
Nonstop1h 55m
$179
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Portland to Palo Alto
Have a flexible travel schedule? Discover the best time to fly to Palo Alto from Portland with our price prediction graph.
PDX-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Palo Alto
PDX-P4L
PDX-SFO
What is the cheapest time of day to fly from PDX to P4L?
Find hourly flight availability from Portland to Palo Alto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2026.
One of the essential ways to save on airfare from Portland to Palo Alto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 30% on airfare.
Weekly flight availability from Portland to Palo Alto
Explore weekly flight availability from Portland to Palo Alto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2026.
The most flights from PDX to P4L are scheduled on a Sunday (66 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (28 on average).
How much does it cost to fly round-trip from Portland to Palo Alto?
Airfare is below average for this route at the moment.
Portland to Palo Alto flights typically cost between $181 and $382 in September.The cheapest round-trip price found within the last 5 days was $137 on Delta (Sep 10-Sep 14).
What is the cheapest day to fly from Portland to Palo Alto?
Use this chart to determine the cheapest time to fly round-trip from Portland to Palo Alto. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Portland to Palo Alto flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Palo Alto
Get insights into the airlines that provide service to Palo Alto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Palo Alto. Reviews last updated August 18, 2026.
See what other customers who have flown with Alaska Airlines,Hawaiian Airlines, andUnited Airlines from Portland to Palo Alto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
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Portland and Palo Alto flights
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Top 7 airlines flying from Portland to Palo Alto
Discover the top 7 airlines that operate flights from Portland to Palo Alto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$159 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$71 | Average$178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$116 | Average$234 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$239 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$119 | Average$255 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$120 | Average$283 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$257 | Average$493 | FlexibilityNo cancel fee | On-time71% |