$79+ Cheap flights from San Jose, CA to Seattle (SJC - SEA)
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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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Find cheap flights from San Jose to Seattle 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 San Jose to Seattle/Tacoma Intl are usually found in January or October, booked 47 days in advance, depart on a Thursday or Saturday and return on a Wednesday
Cheap flight deals from San Jose to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Jose to SeattleExplore the most affordable flight options available from San Jose to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.
Explore the most affordable flight options available from San Jose to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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 8/315:00 pm -
2 stops7h 40m
Sat 9/54:35 pm -
Nonstop2h 25m
Deal found 8/10![Southwest logo]()
$177
This Orbitz deal was found by Cheapflights users on 8/11. 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.
Thu 10/110:47 pm -
1 stop10h 55m
Tue 10/68:48 pm -
Nonstop2h 11m
Deal found 8/11![Multiple Airlines logo]()
$179
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 pm -
1 stop5h 45m
Thu 9/179:05 am -
1 stop4h 50m
Deal found 8/13![Southwest logo]()
$180
This Super.com deal was found by Cheapflights users on 8/12. 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.
Mon 8/312:17 pm -
1 stop20h 22m
Wed 9/28:48 pm -
1 stop15h 19m
Deal found 8/12![Frontier logo]()
$181
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 9/261:20 pm -
2 stops7h 10m
Tue 9/2912:00 pm -
1 stop8h 10m
Deal found 8/14![Southwest logo]()
$182
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.
Sun 9/67:21 am -
Nonstop2h 24m
Wed 9/911:22 am -
1 stop4h 51m
Deal found 8/13![Delta logo]()
$183
This Southwest deal was found by Cheapflights users on 8/11. 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.
Sun 9/67:00 pm -
Nonstop2h 10m
Thu 9/109:05 am -
1 stop4h 50m
Deal found 8/11![Southwest logo]()
$184
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 10/302:22 pm -
1 stop28h 04m
Mon 11/211:06 am -
1 stop26h 06m
Deal found 8/14![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 10/3012:25 pm -
2 stops10h 05m
Tue 11/37:00 am -
1 stop6h 55m
Deal found 8/11![Southwest logo]()
$186
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 9/55:50 pm -
Nonstop2h 20m
Fri 9/1111:33 am -
Nonstop2h 28m
Deal found 8/13![Delta 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.
Mon 9/142:40 pm -
2 stops8h 20m
Sat 9/195:00 am -
1 stop9h 45m
Deal found 8/15![Southwest logo]()
$188
This Delta deal was found by Cheapflights users on 8/12. 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.
Wed 9/27:21 am -
Nonstop2h 24m
Wed 9/1611:33 am -
Nonstop2h 28m
Deal found 8/12![Delta logo]()
$189
Best flights from San Jose to SeattleDiscover carefully curated flight deals from San Jose to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 2026.
Discover carefully curated flight deals from San Jose to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 15, 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.
Mon 9/142:40 pm -
2 stops8h 20m
Sat 9/195:00 am -
1 stop9h 45m
Deal found 8/15![Southwest logo]()
$188
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:21 am -
Nonstop2h 33m
Mon 12/72:46 pm -
Nonstop2h 19m
Deal found 8/15![Delta logo]()
$197
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.
Tue 9/82:13 pm -
Nonstop2h 15m
Sat 9/127:40 am -
1 stop10h 24m
Deal found 8/14![Alaska Airlines logo]()
$210
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
2 stops7h 35m
Tue 11/311:05 am -
2 stops7h 50m
Deal found 8/13![Southwest logo]()
$191
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.
Wed 9/910:12 am -
1 stop7h 39m
Thu 9/174:32 pm -
Nonstop2h 13m
Deal found 8/14![Alaska Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 8/12. 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 10/235:10 pm -
1 stop4h 55m
Mon 10/262:45 pm -
Nonstop2h 17m
Deal found 8/12![Delta logo]()
$226
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 9/222:30 pm -
2 stops7h 15m
Fri 9/253:40 pm -
Nonstop2h 15m
Deal found 8/15![Southwest logo]()
$212
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.
Fri 12/47:47 pm -
1 stop14h 18m
Mon 12/77:55 pm -
Nonstop2h 17m
Deal found 8/15![Alaska Airlines logo]()
$227
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.
Thu 9/107:25 am -
Nonstop2h 30m
Sun 9/138:30 pm -
Nonstop2h 15m
Deal found 8/13![Delta logo]()
$243
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.
Mon 9/146:17 am -
Nonstop2h 15m
Mon 9/143:51 pm -
1 stop6h 36m
Deal found 8/14![Alaska Airlines logo]()
$237
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.
Thu 11/57:00 am -
1 stop6h 00m
Sun 11/811:20 am -
1 stop9h 40m
Deal found 8/14![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 8/11. 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 9/912:00 pm -
2 stops8h 20m
Sun 9/138:40 am -
Nonstop2h 20m
Deal found 8/11![Southwest logo]()
$259
Last-minute flights from San Jose to SeattleDiscover last-minute flight deals from San Jose to Seattle. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Seattle. Data last updated August 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/10. 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 8/315:00 pm -
2 stops7h 40m
Sat 9/54:35 pm -
Nonstop2h 25m
Deal found 8/10![Southwest logo]()
$177
This Super.com deal was found by Cheapflights users on 8/12. 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.
Mon 8/312:17 pm -
1 stop20h 22m
Wed 9/28:48 pm -
1 stop15h 19m
Deal found 8/12![Frontier logo]()
$181
This Delta deal was found by Cheapflights users on 8/12. 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.
Wed 9/27:21 am -
Nonstop2h 24m
Wed 9/1611:33 am -
Nonstop2h 28m
Deal found 8/12![Delta logo]()
$189
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 9/55:50 pm -
Nonstop2h 20m
Fri 9/1111:33 am -
Nonstop2h 28m
Deal found 8/13![Delta logo]()
$187
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.
Sun 9/67:21 am -
Nonstop2h 24m
Wed 9/911:22 am -
1 stop4h 51m
Deal found 8/13![Delta logo]()
$183
This Southwest deal was found by Cheapflights users on 8/11. 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.
Sun 9/67:00 pm -
Nonstop2h 10m
Thu 9/109:05 am -
1 stop4h 50m
Deal found 8/11![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 8/10. 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 9/86:35 am -
Nonstop2h 10m
Thu 9/103:40 pm -
Nonstop2h 15m
Deal found 8/10![Southwest logo]()
$191
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 pm -
1 stop5h 45m
Thu 9/179:05 am -
1 stop4h 50m
Deal found 8/13![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 8/12. 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.
Fri 9/117:00 pm -
1 stop5h 45m
Tue 9/156:25 am -
2 stops6h 25m
Deal found 8/12![Southwest logo]()
$186
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 9/142:40 pm -
2 stops8h 20m
Sat 9/195:00 am -
1 stop9h 45m
Deal found 8/15![Southwest logo]()
$188
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 9/261:20 pm -
2 stops7h 10m
Tue 9/2912:00 pm -
1 stop8h 10m
Deal found 8/14![Southwest logo]()
$182
One-way flights from San Jose to SeattleSearch for one-way flight options from San Jose to Seattle. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
Search for one-way flight options from San Jose to Seattle. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:45 pm -
Nonstop2h 29m
Deal found 8/14![Delta logo]()
$79
This Frontier deal was found by Cheapflights users on 8/11. 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 10/110:47 pm -
1 stop10h 55m
Deal found 8/11![Frontier logo]()
$80
This Southwest deal was found by Cheapflights users on 8/11. 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.
Fri 10/3012:25 pm -
2 stops10h 05m
Deal found 8/11![Southwest logo]()
$81
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Mon 9/219:03 pm -
1 stop21h 33m
Deal found 8/11![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 11/32:22 pm -
1 stop28h 04m
Deal found 8/11![Frontier logo]()
$83
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.
Wed 10/286:00 pm -
1 stop4h 55m
Deal found 8/15![Southwest logo]()
$84
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:47 pm -
1 stop10h 55m
Deal found 8/15![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 8/12. 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 9/1010:47 pm -
1 stop10h 55m
Deal found 8/12![Frontier logo]()
$88
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 9/264:50 pm -
1 stop6h 10m
Deal found 8/15![Southwest logo]()
$89
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:38 pm -
1 stop20h 04m
Deal found 8/13![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 10/129:03 pm -
1 stop21h 23m
Deal found 8/11![Frontier logo]()
$93
Find flight deals from San Jose to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Southwest) |
One-way from | $79 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $290 |
Good round-trip deal | $254 or less |
Good one-way deal | $136 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Seattle 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 15, 2026.
Use the filters below to find and compare flights from San Jose to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Mon 9/14
2:40 pm-11:00 pm
2 stops8h 20m
Seattle/Tacoma Intl
Sat 9/19
5:00 am-2:45 pm
1 stop9h 45m
$188
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 10/30
7:00 am-2:35 pm
2 stops7h 35m
Seattle/Tacoma Intl
Tue 11/3
11:05 am-6:55 pm
2 stops7h 50m
$191
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 12/4
7:21 am-9:54 am
Nonstop2h 33m
Seattle/Tacoma Intl
Mon 12/7
2:46 pm-5:05 pm
Nonstop2h 19m
$197
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Tue 9/8
2:13 pm-4:28 pm
Nonstop2h 15m
Seattle/Tacoma Intl
Sat 9/12
7:40 am-6:04 pm
1 stop10h 24m
$210
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Wed 9/9
10:12 am-5:51 pm
1 stop7h 39m
Seattle/Tacoma Intl
Thu 9/17
4:32 pm-6:45 pm
Nonstop2h 13m
$210
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Tue 9/22
2:30 pm-9:45 pm
2 stops7h 15m
Seattle/Tacoma Intl
Fri 9/25
3:40 pm-5:55 pm
Nonstop2h 15m
$212
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 10/23
5:10 pm-10:05 pm
1 stop4h 55m
Seattle/Tacoma Intl
Mon 10/26
2:45 pm-5:02 pm
Nonstop2h 17m
$226
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 12/4
7:47 pm-10:05 am
1 stop14h 18m
Seattle/Tacoma Intl
Mon 12/7
7:55 pm-10:12 pm
Nonstop2h 17m
$227
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Mon 9/14
6:17 am-8:32 am
Nonstop2h 15m
Seattle/Tacoma Intl
Mon 9/14
3:51 pm-10:27 pm
1 stop6h 36m
$237
Quickest round-trip
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Thu 9/10
7:25 am-9:55 am
Nonstop2h 30m
Seattle/Tacoma Intl
Sun 9/13
8:30 pm-10:45 pm
Nonstop2h 15m
$243
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from San Jose to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Seattle in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Jose, California-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Jose to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from San Jose with our price prediction graph.
SJC-SEA
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.
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Everything you need to know about your flight from San Jose to Seattle
Prices
Airlines
How far ahead should I book a flight from San Jose, California to Seattle?
The best time to book flights from San Jose, California to Seattle is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Jose, California to Seattle?
Currently, January is the cheapest month in which you can book a flight from San Jose, California to Seattle (average of $191). Flying from San Jose, California to Seattle in June is currently the most expensive (average of $329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJC to SEA?
Find hourly flight availability from San Jose to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 15, 2026.
A simple way to save on the total cost of your ticket is to fly from San Jose, California to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from San Jose, California to Seattle?
Use this chart to determine the cheapest time to fly round-trip from San Jose to Seattle. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their San Jose, California to Seattle flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for San Jose to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Jose to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated August 15, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from San Jose to Seattle 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.
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Jose to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Marysville
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Poulsbo
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Complete your trip
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San Jose and Seattle flights
Browse other San Jose and Seattle flight options. Last updated on August 15, 2026.
Other flights from San Jose
Browse through other flights departing from San Jose. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
Top 6 airlines flying from San Jose to Seattle
Discover the top 6 airlines that operate flights from San Jose to Seattle. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$248 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$109 | Average$259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$299 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$268 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$118 | Average$191 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$337 | Average$630 | FlexibilityNo cancel fee | On-time71% |