$91+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Jul 21 — Jul 281
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 88 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 June 21, 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 June 21, 2026.
This Booking.com deal was found by Cheapflights users on 6/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:03 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Wed 7/227:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$166
This Kissandfly.com deal was found by Cheapflights users on 6/20. 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.
Sat 8/157:20 am
SEA
- SFO
Nonstop2h 16m
Alaska Airlines
Mon 8/178:28 pm
SFO
- SEA
Nonstop2h 13m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 8/157:00 am
SEA
- SFO
Nonstop2h 17m
United Airlines
Mon 8/179:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Deal found 6/19![United Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 6/20. 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 8/157:20 am
SEA
- SFO
Nonstop2h 16m
Delta
Mon 8/176:20 am
SFO
- SEA
Nonstop2h 11m
Delta
Deal found 6/20![Delta logo]()
$171
This CheapOair deal was found by Cheapflights users on 6/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:03 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Wed 8/127:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 6/16. 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 7/156:15 am
SEA
- SFO
1 stop8h 45m
Southwest
Tue 7/2110:50 am
SFO
- SEA
1 stop6h 00m
Southwest
Deal found 6/16![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 8/198:30 am
SEA
- SFO
1 stop8h 25m
Southwest
Tue 8/256:50 am
SFO
- SEA
2 stops10h 40m
Southwest
Deal found 6/17![Southwest logo]()
$182
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Tue 10/279:28 pm
SEA
- SFO
Nonstop2h 16m
Alaska Airlines
Thu 10/296:00 am
SFO
- SEA
Nonstop2h 16m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 6/19. 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 8/155:00 am
SEA
- SFO
1 stop7h 05m
Southwest
Mon 8/1712:30 pm
SFO
- SEA
1 stop7h 05m
Southwest
Deal found 6/19![Southwest logo]()
$190
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 June 21, 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 June 21, 2026.
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 8/247:35 pm
SEA
- SFO
Nonstop2h 22m
United Airlines
Wed 9/29:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Deal found 6/17![United Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 6/17. 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.
Tue 10/204:25 pm
SEA
- SFO
1 stop6h 00m
Southwest
Wed 10/2111:20 am
SFO
- SEA
1 stop8h 15m
Southwest
Deal found 6/17![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/149:45 am
SEA
- SFO
Nonstop2h 19m
Delta
Sun 7/195:55 am
SFO
- SEA
Nonstop2h 10m
Delta
Deal found 6/16![Delta logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:40 am
SEA
- SFO
Nonstop2h 18m
Alaska Airlines
Sat 8/296:21 pm
SFO
- SEA
Nonstop2h 11m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 6/20. 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 8/269:25 am
SEA
- SFO
2 stops7h 35m
Southwest
Tue 9/112:05 pm
SFO
- SEA
2 stops7h 05m
Southwest
Deal found 6/20![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 6/18. 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 7/297:30 am
SEA
- SFO
2 stops7h 30m
Southwest
Wed 8/56:50 am
SFO
- SEA
2 stops10h 40m
Southwest
Deal found 6/18![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 8/252:35 pm
SEA
- SFO
Nonstop2h 21m
Delta
Sun 8/3010:45 am
SFO
- SEA
Nonstop2h 13m
Delta
Deal found 6/16![Delta logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 9/98:41 am
SEA
- SFO
Nonstop2h 18m
Alaska Airlines
Wed 9/912:22 pm
SFO
- SEA
1 stop7h 17m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 6/18. 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.
Thu 8/69:10 am
SEA
- SFO
1 stop5h 30m
Southwest
Mon 8/105:10 am
SFO
- SEA
1 stop7h 40m
Southwest
Deal found 6/18![Southwest logo]()
$203
This Southwest deal was found by Cheapflights users on 6/19. 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 7/143:05 pm
SEA
- SFO
1 stop7h 30m
Southwest
Wed 7/2210:50 am
SFO
- SEA
1 stop6h 00m
Southwest
Deal found 6/19![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 6/19. 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 7/157:00 am
SEA
- SFO
2 stops7h 15m
Southwest
Mon 7/206:45 pm
SFO
- SEA
1 stop7h 00m
Southwest
Deal found 6/19![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 6/16. 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 7/155:15 am
SEA
- SFO
1 stop8h 25m
Southwest
Sun 7/195:40 am
SFO
- SEA
1 stop12h 15m
Southwest
Deal found 6/16![Southwest logo]()
$232
Last-minute flights from Seattle to Palo AltoDiscover last-minute flight deals from Seattle to Palo Alto. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Palo Alto. Data last updated June 21, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:42 pm
SEA
- SFO
Nonstop2h 12m
Alaska Airlines
Tue 7/146:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$191
This Booking.com deal was found by Cheapflights users on 6/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:03 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Wed 7/227:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:36 pm
SEA
- SFO
Nonstop2h 16m
Alaska Airlines
Wed 7/157:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$197
This Trip.com deal was found by Cheapflights users on 6/17. 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.
Tue 7/145:36 pm
SEA
- SFO
Nonstop2h 16m
Multiple Airlines
Wed 7/2211:15 am
SFO
- SEA
1 stop7h 43m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$200
This Priceline deal was found by Cheapflights users on 6/21. 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.
Tue 7/148:42 pm
SEA
- SFO
Nonstop2h 13m
Multiple Airlines
Wed 7/1511:15 am
SFO
- SEA
1 stop7h 43m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$201
This Southwest deal was found by Cheapflights users on 6/18. 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 7/154:35 pm
SEA
- SFO
1 stop6h 45m
Southwest
Wed 7/228:55 am
SFO
- SEA
1 stop7h 55m
Southwest
Deal found 6/18![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 6/16. 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 7/1512:45 pm
SEA
- SFO
1 stop5h 55m
Southwest
Wed 7/295:20 pm
SFO
- SEA
2 stops7h 25m
Southwest
Deal found 6/16![Southwest logo]()
$178
This Delta deal was found by Cheapflights users on 6/20. 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 7/187:20 am
SEA
- SFO
Nonstop2h 18m
Delta
Mon 8/248:59 pm
SFO
- SEA
Nonstop2h 20m
Delta
Deal found 6/20![Delta logo]()
$170
This Southwest deal was found by Cheapflights users on 6/21. 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 7/216:30 am
SEA
- SFO
2 stops7h 45m
Southwest
Tue 7/213:35 pm
SFO
- SEA
1 stop9h 10m
Southwest
Deal found 6/21![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 7/2910:55 am
SEA
- SFO
2 stops7h 55m
Southwest
Wed 8/53:05 pm
SFO
- SEA
1 stop5h 55m
Southwest
Deal found 6/17![Southwest logo]()
$182
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 June 21, 2026.
Search for one-way flight options from Seattle to Palo Alto. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 8/207:18 am
SEA
- SFO
Nonstop2h 19m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$91
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 8/137:03 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$92
This Southwest deal was found by Cheapflights users on 6/18. 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 8/1211:40 am
SEA
- SFO
2 stops7h 25m
Southwest
Deal found 6/18![Southwest logo]()
$94
This CheapOair deal was found by Cheapflights users on 6/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:28 pm
SEA
- SFO
Nonstop2h 16m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 9/2411:06 am
SEA
- SFO
1 stop10h 12m
Frontier
Deal found 6/21![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 10/1311:06 am
SEA
- SFO
1 stop10h 12m
Frontier
Deal found 6/17![Frontier logo]()
$99
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 8/1110:29 am
SEA
- SFO
Nonstop2h 24m
United Airlines
Deal found 6/18![United Airlines logo]()
$100
This Southwest deal was found by Cheapflights users on 6/19. 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 8/139:10 am
SEA
- SFO
1 stop7h 20m
Southwest
Deal found 6/19![Southwest logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Sat 8/2910:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 6/21![Frontier logo]()
$103
This CheapOair deal was found by Cheapflights users on 6/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:18 am
SEA
- SFO
Nonstop2h 19m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$104
This CheapOair deal was found by Cheapflights users on 6/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:28 pm
SEA
- SFO
Nonstop2h 16m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$106
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 June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $166 (Booking.com) |
One-way from | $91 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $312 |
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 2,558,603 searches. Data last updated June 21, 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
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Mon 8/24
7:35 pm-9:57 pm
Nonstop2h 22m
San Francisco
Wed 9/2
9:07 pm-11:26 pm
Nonstop2h 19m
$170
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 10/20
4:25 pm-10:25 pm
1 stop6h 00m
San Francisco
Wed 10/21
11:20 am-7:35 pm
1 stop8h 15m
$177
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 8/26
9:25 am-5:00 pm
2 stops7h 35m
San Francisco
Tue 9/1
12:05 pm-7:10 pm
2 stops7h 05m
$187
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 7/29
7:30 am-3:00 pm
2 stops7h 30m
San Francisco
Wed 8/5
6:50 am-5:30 pm
2 stops10h 40m
$187
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Thu 8/6
9:10 am-2:40 pm
1 stop5h 30m
San Francisco
Mon 8/10
5:10 am-12:50 pm
1 stop7h 40m
$203
Quickest round-trip
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 7/14
9:45 am-12:04 pm
Nonstop2h 19m
San Francisco
Sun 7/19
5:55 am-8:05 am
Nonstop2h 10m
$212
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 8/25
2:35 pm-4:56 pm
Nonstop2h 21m
San Francisco
Sun 8/30
10:45 am-12:58 pm
Nonstop2h 13m
$212
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 7/14
3:05 pm-10:35 pm
1 stop7h 30m
San Francisco
Wed 7/22
10:50 am-4:50 pm
1 stop6h 00m
$219
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Thu 8/20
8:40 am-10:58 am
Nonstop2h 18m
San Francisco
Sat 8/29
6:21 pm-8:32 pm
Nonstop2h 11m
$227
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 7/15
7:00 am-2:15 pm
2 stops7h 15m
San Francisco
Mon 7/20
6:45 pm-1:45 am
1 stop7h 00m
$232
Showing 1-10 of 23 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 June 21, 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 June 21, 2026.
The most flights from SEA to P4L are scheduled on a Saturday (97 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (46 on average).
How much does it cost to fly round-trip from Seattle to Palo Alto?
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 June 13, 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. Monday 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 June 21, 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.
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Palo Alto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Seattle and Palo Alto flights
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Top 7 airlines flying from Seattle to Palo Alto
Discover the top 7 airlines that operate flights from Seattle 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 June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$298 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$78 | Average$222 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$83 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$369 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$297 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$261 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$447 | FlexibilityNo cancel fee | On-time71% |