$92+ Cheap flights from Seattle (SEA) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle 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 Seattle/Tacoma Intl to Palo Alto are usually found in January or October, booked 58 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from Seattle to Palo Alto
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to Palo AltoExplore the most affordable flight options available from Seattle to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from Seattle to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:27 pm -
1 stop7h 47m
Tue 9/227:11 pm -
1 stop14h 31m
Deal found 8/16![Frontier logo]()
$163
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:41 pm -
Nonstop2h 15m
Mon 9/1410:24 pm -
1 stop11h 18m
Deal found 8/16![Multiple Airlines logo]()
$164
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:45 pm -
1 stop13h 10m
Sat 9/127:11 pm -
1 stop14h 31m
Deal found 8/16![Frontier logo]()
$166
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 9/104:27 pm -
1 stop7h 47m
Mon 9/1411:17 am -
1 stop7h 11m
Deal found 8/18![Frontier logo]()
$167
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:45 pm -
1 stop10h 29m
Sun 10/410:24 pm -
1 stop11h 18m
Deal found 8/14![Frontier logo]()
$168
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:35 pm -
1 stop10h 43m
Sat 9/57:30 pm -
1 stop13h 49m
Deal found 8/14![Frontier logo]()
$170
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.
Fri 10/307:36 pm -
Nonstop2h 13m
Fri 11/611:42 am -
1 stop6h 03m
Deal found 8/18![Multiple Airlines logo]()
$171
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.
Tue 9/2910:57 am -
1 stop7h 27m
Fri 10/168:46 pm -
Nonstop2h 17m
Deal found 8/17![Multiple Airlines logo]()
$172
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:45 pm -
Nonstop2h 15m
Sun 9/276:04 am -
1 stop9h 04m
Deal found 8/14![Multiple Airlines logo]()
$173
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:30 pm -
Nonstop2h 15m
Tue 9/1512:05 pm -
Nonstop2h 19m
Deal found 8/18![United Airlines logo]()
$174
Best flights from Seattle to Palo AltoDiscover carefully curated flight deals from Seattle to Palo Alto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Seattle to Palo Alto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:45 pm -
Nonstop2h 15m
Fri 9/118:53 pm -
Nonstop2h 17m
Deal found 8/14![Alaska Airlines logo]()
$174
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:35 pm -
Nonstop2h 21m
Mon 10/128:58 pm -
Nonstop2h 15m
Deal found 8/16![Delta logo]()
$174
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:10 pm -
1 stop5h 10m
Tue 9/2212:05 pm -
2 stops9h 40m
Deal found 8/18![Southwest logo]()
$182
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:30 pm -
Nonstop2h 15m
Fri 9/116:25 pm -
Nonstop2h 18m
Deal found 8/18![United Airlines logo]()
$189
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.
Fri 11/69:35 pm -
Nonstop2h 21m
Mon 11/95:44 pm -
Nonstop2h 20m
Deal found 8/17![Delta logo]()
$174
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:05 pm -
2 stops9h 15m
Wed 10/283:50 pm -
1 stop8h 05m
Deal found 8/18![Southwest logo]()
$182
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:35 pm -
Nonstop2h 21m
Sun 10/115:45 pm -
Nonstop2h 19m
Deal found 8/16![Delta logo]()
$182
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 9/249:05 am -
1 stop7h 25m
Tue 9/2912:05 pm -
2 stops7h 10m
Deal found 8/17![Southwest logo]()
$182
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 pm -
2 stops8h 55m
Tue 10/206:45 am -
2 stops6h 50m
Deal found 8/18![Southwest logo]()
$187
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.
Sat 11/78:35 am -
2 stops7h 10m
Mon 11/97:00 am -
2 stops6h 55m
Deal found 8/15![Southwest logo]()
$187
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 9/225:55 am -
2 stops8h 45m
Wed 9/2312:05 pm -
2 stops9h 40m
Deal found 8/14![Southwest logo]()
$187
Last-minute flights from Seattle to Palo AltoDiscover last-minute flight deals from Seattle to Palo Alto. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Palo Alto. Data last updated August 19, 2026 and is based on user searches.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:35 pm -
1 stop10h 43m
Sat 9/57:30 pm -
1 stop13h 49m
Deal found 8/14![Frontier logo]()
$170
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:41 pm -
Nonstop2h 15m
Mon 9/1410:24 pm -
1 stop11h 18m
Deal found 8/16![Multiple Airlines logo]()
$164
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:45 pm -
1 stop13h 10m
Sat 9/127:11 pm -
1 stop14h 31m
Deal found 8/16![Frontier logo]()
$166
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 9/104:27 pm -
1 stop7h 47m
Mon 9/1411:17 am -
1 stop7h 11m
Deal found 8/18![Frontier logo]()
$167
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:27 pm -
1 stop7h 47m
Sat 9/129:00 am -
1 stop9h 36m
Deal found 8/14![Frontier logo]()
$171
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:30 pm -
Nonstop2h 15m
Tue 9/1512:05 pm -
Nonstop2h 19m
Deal found 8/18![United Airlines logo]()
$174
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:27 pm -
1 stop7h 47m
Tue 9/227:11 pm -
1 stop14h 31m
Deal found 8/16![Frontier logo]()
$163
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:27 pm -
1 stop7h 47m
Sun 9/2010:24 pm -
1 stop11h 18m
Deal found 8/14![Frontier logo]()
$168
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:45 pm -
Nonstop2h 15m
Sun 9/276:04 am -
1 stop9h 04m
Deal found 8/14![Multiple Airlines logo]()
$173
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.
Tue 9/2910:57 am -
1 stop7h 27m
Fri 10/168:46 pm -
Nonstop2h 17m
Deal found 8/17![Multiple Airlines logo]()
$172
One-way flights from Seattle to Palo AltoSearch for one-way flight options from Seattle to Palo Alto. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from Seattle to Palo Alto. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
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.
Tue 9/1510:57 am -
1 stop7h 27m
Deal found 8/18![Frontier logo]()
$92
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:27 pm -
1 stop7h 48m
Deal found 8/14![Frontier logo]()
$93
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:25 pm -
2 stops8h 05m
Deal found 8/18![Southwest logo]()
$94
This iWofly 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:18 am -
Nonstop2h 19m
Deal found 8/17![Alaska Airlines logo]()
$95
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.
Fri 10/29:30 pm -
Nonstop2h 21m
Deal found 8/17![Delta logo]()
$96
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:45 pm -
1 stop13h 10m
Deal found 8/14![Frontier logo]()
$98
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.
Tue 9/294:27 pm -
2 stops22h 02m
Deal found 8/14![Frontier logo]()
$99
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:06 am -
1 stop10h 12m
Deal found 8/14![Frontier logo]()
$100
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:39 am -
Nonstop2h 10m
Deal found 8/17![Alaska Airlines logo]()
$101
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:00 pm -
1 stop14h 16m
Deal found 8/16![Frontier logo]()
$102
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:30 pm -
Nonstop2h 21m
Deal found 8/18![Delta logo]()
$104
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:39 am -
Nonstop2h 10m
Deal found 8/16![Alaska Airlines logo]()
$105
Find flight deals from Seattle to Palo Alto
Keep the following information in mind while searching for Seattle to Palo Alto flight deals. Data was last updated August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (Trip.com) |
One-way from | $92 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $281 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 7,457,451 searches. Data last updated August 19, 2026.
Use the filters below to find and compare flights from Seattle to Palo Alto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 9/5
3:45 pm-6:00 pm
Nonstop2h 15m
San Francisco
Fri 9/11
8:53 pm-11:10 pm
Nonstop2h 17m
$174
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Fri 10/9
9:35 pm-11:56 pm
Nonstop2h 21m
San Francisco
Mon 10/12
8:58 pm-11:13 pm
Nonstop2h 15m
$174
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Fri 11/6
9:35 pm-11:56 pm
Nonstop2h 21m
San Francisco
Mon 11/9
5:44 pm-8:04 pm
Nonstop2h 20m
$174
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 9/16
4:10 pm-9:20 pm
1 stop5h 10m
San Francisco
Tue 9/22
12:05 pm-9:45 pm
2 stops9h 40m
$182
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 10/20
12:05 pm-9:20 pm
2 stops9h 15m
San Francisco
Wed 10/28
3:50 pm-11:55 pm
1 stop8h 05m
$182
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 10/10
9:35 pm-11:56 pm
Nonstop2h 21m
San Francisco
Sun 10/11
5:45 pm-8:04 pm
Nonstop2h 19m
$182
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 9/24
9:05 am-4:30 pm
1 stop7h 25m
San Francisco
Tue 9/29
12:05 pm-7:15 pm
2 stops7h 10m
$182
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 10/14
12:05 pm-9:00 pm
2 stops8h 55m
San Francisco
Tue 10/20
6:45 am-1:35 pm
2 stops6h 50m
$187
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 11/7
8:35 am-3:45 pm
2 stops7h 10m
San Francisco
Mon 11/9
7:00 am-1:55 pm
2 stops6h 55m
$187
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 9/22
5:55 am-2:40 pm
2 stops8h 45m
San Francisco
Wed 9/23
12:05 pm-9:45 pm
2 stops9h 40m
$187
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Seattle to Palo Alto
Have a flexible travel schedule? Discover the best time to fly to Palo Alto from Seattle with our price prediction graph.
SEA-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 Seattle to Palo Alto
SEA-P4L
SEA-SFO
What is the cheapest time of day to fly from SEA to P4L?
Find hourly flight availability from Seattle 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 19, 2026.
It’s optimal to fly from Seattle to Palo Alto at noon. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Seattle to Palo Alto
Explore weekly flight availability from Seattle 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 19, 2026.
The most flights from SEA to P4L are scheduled on a Monday (99 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
How much does it cost to fly round-trip from Seattle to Palo Alto?
Airfare is below average for this route at the moment.
Seattle to Palo Alto flights typically cost between $202 and $401 in September.The cheapest round-trip price found within the last 5 days was $163 on Frontier (Sep 16-Sep 22).
What is the cheapest day to fly from Seattle to Palo Alto?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Palo Alto. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Seattle to Palo Alto flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons 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 19, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Palo Alto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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Seattle and Palo Alto flights
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Top 7 airlines flying from Seattle to Palo Alto
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$323 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$78 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$297 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$380 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$266 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$467 | FlexibilityNo cancel fee | On-time71% |