$92+ Cheap flights from Seattle to San Jose, CA (SEA - SJC)
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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJC
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to San Jose 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 San Jose are usually found in October or March, booked 71 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Seattle to San Jose
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Best
Last-minute
One-way
Cheapest flights from Seattle to San JoseExplore the most affordable flight options available from Seattle to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Seattle to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Frontier deal was found by Cheapflights users on 8/1. 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 9/310:34 am
SEA
- SJC
1 stop8h 45m
Frontier
Thu 9/1010:47 pm
SJC
- SEA
1 stop10h 55m
Frontier
Deal found 8/1![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 7/31. 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.
Sat 9/198:15 pm
SEA
- SJC
1 stop23h 38m
Frontier
Mon 9/219:03 pm
SJC
- SEA
1 stop21h 33m
Frontier
Deal found 7/31![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 7/29. 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 9/117:30 pm
SEA
- SJC
Nonstop2h 20m
Southwest
Mon 9/146:00 am
SJC
- SEA
Nonstop2h 20m
Southwest
Deal found 7/29![Southwest logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/198:53 pm
SEA
- SJC
1 stop15h 14m
Multiple Airlines
Mon 8/246:17 am
SJC
- SEA
Nonstop2h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/39:29 pm
SEA
- SJC
1 stop15h 53m
Multiple Airlines
Wed 9/910:00 am
SJC
- SEA
Nonstop2h 18m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$166
This Delta deal was found by Cheapflights users on 7/29. 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 8/228:25 am
SEA
- SJC
Nonstop2h 27m
Delta
Fri 8/288:53 pm
SJC
- SEA
Nonstop2h 26m
Delta
Deal found 7/29![Delta logo]()
$167
This CheapOair deal was found by Cheapflights users on 7/30. 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 8/268:53 pm
SEA
- SJC
1 stop15h 14m
Frontier
Mon 8/312:17 pm
SJC
- SEA
1 stop20h 22m
Frontier
Deal found 7/30![Frontier logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/210:18 am
SEA
- SJC
1 stop8h 51m
Alaska Airlines
Tue 9/88:00 am
SJC
- SEA
Nonstop2h 17m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/198:53 pm
SEA
- SJC
1 stop15h 14m
Multiple Airlines
Tue 8/257:45 pm
SJC
- SEA
Nonstop2h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 8/2. 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 9/54:35 pm
SEA
- SJC
Nonstop2h 25m
Southwest
Sun 9/63:25 pm
SJC
- SEA
2 stops8h 05m
Southwest
Deal found 8/2![Southwest logo]()
$172
This Priceline deal was found by Cheapflights users on 7/30. 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.
Fri 8/2810:34 am
SEA
- SJC
1 stop8h 45m
Multiple Airlines
Sat 8/296:17 am
SJC
- SEA
Nonstop2h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$173
This Booking.com deal was found by Cheapflights users on 8/1. 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.
Thu 8/277:08 am
SEA
- SJC
Nonstop2h 17m
Alaska Airlines
Sun 8/306:17 am
SJC
- SEA
Nonstop2h 15m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$174
Best flights from Seattle to San JoseDiscover carefully curated flight deals from Seattle to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Seattle to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:40 pm
SEA
- SJC
1 stop11h 50m
Southwest
Tue 10/136:10 am
SJC
- SEA
2 stops7h 25m
Southwest
Deal found 7/29![Southwest logo]()
$168
This Delta deal was found by Cheapflights users on 7/29. 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 8/195:47 pm
SEA
- SJC
Nonstop2h 26m
Delta
Fri 8/218:53 pm
SJC
- SEA
Nonstop2h 26m
Delta
Deal found 7/29![Delta logo]()
$223
This Southwest deal was found by Cheapflights users on 7/29. 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 9/117:30 pm
SEA
- SJC
Nonstop2h 20m
Southwest
Fri 9/187:00 pm
SJC
- SEA
1 stop5h 45m
Southwest
Deal found 7/29![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 8/3. 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 9/162:40 pm
SEA
- SJC
Nonstop2h 19m
Delta
Tue 9/2211:32 am
SJC
- SEA
Nonstop2h 23m
Delta
Deal found 8/3![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/30. 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 8/2811:50 am
SEA
- SJC
Nonstop2h 30m
Southwest
Sat 8/2911:40 am
SJC
- SEA
2 stops6h 40m
Southwest
Deal found 7/30![Southwest logo]()
$218
This Delta deal was found by Cheapflights users on 8/1. 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 10/52:45 pm
SEA
- SJC
Nonstop2h 19m
Delta
Sat 10/172:37 pm
SJC
- SEA
Nonstop2h 22m
Delta
Deal found 8/1![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/29. 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 8/217:30 pm
SEA
- SJC
Nonstop2h 15m
Southwest
Thu 8/276:00 am
SJC
- SEA
Nonstop2h 20m
Southwest
Deal found 7/29![Southwest logo]()
$223
This Southwest deal was found by Cheapflights users on 7/29. 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 9/51:55 pm
SEA
- SJC
2 stops6h 40m
Southwest
Wed 9/91:00 pm
SJC
- SEA
2 stops7h 20m
Southwest
Deal found 7/29![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 7/31. 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 10/227:15 am
SEA
- SJC
Nonstop2h 10m
Southwest
Thu 10/296:05 am
SJC
- SEA
Nonstop2h 15m
Southwest
Deal found 7/31![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 8/3. 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 9/51:55 pm
SEA
- SJC
2 stops6h 40m
Southwest
Sun 9/63:25 pm
SJC
- SEA
2 stops8h 05m
Southwest
Deal found 8/3![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 7/29. 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 9/189:05 am
SEA
- SJC
1 stop6h 10m
Southwest
Sun 9/204:50 pm
SJC
- SEA
1 stop8h 05m
Southwest
Deal found 7/29![Southwest logo]()
$247
Last-minute flights from Seattle to San JoseDiscover last-minute flight deals from Seattle to San Jose. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San Jose. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/198:53 pm
SEA
- SJC
1 stop15h 14m
Multiple Airlines
Mon 8/246:17 am
SJC
- SEA
Nonstop2h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/198:53 pm
SEA
- SJC
1 stop15h 14m
Multiple Airlines
Tue 8/257:45 pm
SJC
- SEA
Nonstop2h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 7/29. 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 8/228:25 am
SEA
- SJC
Nonstop2h 27m
Delta
Fri 8/288:53 pm
SJC
- SEA
Nonstop2h 26m
Delta
Deal found 7/29![Delta logo]()
$167
This CheapOair deal was found by Cheapflights users on 7/30. 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 8/268:53 pm
SEA
- SJC
1 stop15h 14m
Frontier
Mon 8/312:17 pm
SJC
- SEA
1 stop20h 22m
Frontier
Deal found 7/30![Frontier logo]()
$168
This Booking.com deal was found by Cheapflights users on 8/1. 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.
Thu 8/277:08 am
SEA
- SJC
Nonstop2h 17m
Alaska Airlines
Sun 8/306:17 am
SJC
- SEA
Nonstop2h 15m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$174
This Priceline deal was found by Cheapflights users on 7/30. 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.
Fri 8/2810:34 am
SEA
- SJC
1 stop8h 45m
Multiple Airlines
Sat 8/296:17 am
SJC
- SEA
Nonstop2h 15m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/27:40 am
SEA
- SJC
1 stop15h 16m
Alaska Airlines
Wed 9/910:00 am
SJC
- SEA
Nonstop2h 18m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$170
This Frontier deal was found by Cheapflights users on 8/1. 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 9/310:34 am
SEA
- SJC
1 stop8h 45m
Frontier
Thu 9/1010:47 pm
SJC
- SEA
1 stop10h 55m
Frontier
Deal found 8/1![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/39:29 pm
SEA
- SJC
1 stop15h 53m
Multiple Airlines
Wed 9/910:00 am
SJC
- SEA
Nonstop2h 18m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 8/3. 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 9/54:35 pm
SEA
- SJC
Nonstop2h 25m
Southwest
Sun 9/63:25 pm
SJC
- SEA
2 stops8h 05m
Southwest
Deal found 8/3![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/29. 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 9/117:30 pm
SEA
- SJC
Nonstop2h 20m
Southwest
Mon 9/146:00 am
SJC
- SEA
Nonstop2h 20m
Southwest
Deal found 7/29![Southwest logo]()
$162
This Frontier deal was found by Cheapflights users on 7/31. 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.
Sat 9/198:15 pm
SEA
- SJC
1 stop23h 38m
Frontier
Mon 9/219:03 pm
SJC
- SEA
1 stop21h 33m
Frontier
Deal found 7/31![Frontier logo]()
$160
One-way flights from Seattle to San JoseSearch for one-way flight options from Seattle to San Jose. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Seattle to San Jose. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/178:15 pm
SEA
- SJC
1 stop23h 38m
Frontier
Deal found 8/3![Frontier logo]()
$92
This Southwest deal was found by Cheapflights users on 8/3. 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
SEA
- SJC
1 stop12h 55m
Southwest
Deal found 8/3![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/279:29 pm
SEA
- SJC
1 stop15h 53m
Frontier
Deal found 7/31![Frontier logo]()
$96
This Booking.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/294:32 pm
SEA
- SJC
Nonstop2h 13m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/3011:06 am
SEA
- SJC
1 stop26h 06m
Frontier
Deal found 8/2![Frontier logo]()
$98
This Southwest deal was found by Cheapflights users on 7/30. 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 9/189:05 am
SEA
- SJC
1 stop6h 10m
Southwest
Deal found 7/30![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 7/30. 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 9/176:15 am
SEA
- SJC
2 stops10h 40m
Southwest
Deal found 7/30![Southwest logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/198:53 pm
SEA
- SJC
1 stop15h 14m
Frontier
Deal found 7/30![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 7/31. 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 10/1911:06 am
SEA
- SJC
1 stop9h 02m
Frontier
Deal found 7/31![Frontier logo]()
$103
This Southwest deal was found by Cheapflights users on 7/29. 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 10/163:55 pm
SEA
- SJC
2 stops6h 25m
Southwest
Deal found 7/29![Southwest logo]()
$104
This Frontier deal was found by Cheapflights users on 8/2. 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 8/2410:34 am
SEA
- SJC
1 stop8h 45m
Frontier
Deal found 8/2![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sun 11/17:00 pm
SEA
- SJC
1 stop18h 29m
Frontier
Deal found 7/30![Frontier logo]()
$106
Find flight deals from Seattle to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Jose (SJC). 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $158 (Frontier) |
One-way from | $92 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $261 |
Good round-trip deal | $212 or less |
Good one-way deal | $133 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to San Jose 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 4, 2026.
Use the filters below to find and compare flights from Seattle to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Mon 10/5
8:40 pm-8:30 am
1 stop11h 50m
San Jose
Tue 10/13
6:10 am-1:35 pm
2 stops7h 25m
$168
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 9/11
7:30 pm-9:50 pm
Nonstop2h 20m
San Jose
Fri 9/18
7:00 pm-12:45 am
1 stop5h 45m
$182
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 8/28
11:50 am-2:20 pm
Nonstop2h 30m
San Jose
Sat 8/29
11:40 am-6:20 pm
2 stops6h 40m
$218
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 8/19
5:47 pm-8:13 pm
Nonstop2h 26m
San Jose
Fri 8/21
8:53 pm-11:19 pm
Nonstop2h 26m
$223
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Fri 8/21
7:30 pm-9:45 pm
Nonstop2h 15m
San Jose
Thu 8/27
6:00 am-8:20 am
Nonstop2h 20m
$223
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Sat 9/5
1:55 pm-8:35 pm
2 stops6h 40m
San Jose
Wed 9/9
1:00 pm-8:20 pm
2 stops7h 20m
$227
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Wed 9/16
2:40 pm-4:59 pm
Nonstop2h 19m
San Jose
Tue 9/22
11:32 am-1:55 pm
Nonstop2h 23m
$237
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Mon 10/5
2:45 pm-5:04 pm
Nonstop2h 19m
San Jose
Sat 10/17
2:37 pm-4:59 pm
Nonstop2h 22m
$237
Quickest round-trip
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Thu 10/22
7:15 am-9:25 am
Nonstop2h 10m
San Jose
Thu 10/29
6:05 am-8:20 am
Nonstop2h 15m
$237
SeattleSan Jose
SEA - SJC
SEASJC
Seattle/Tacoma Intl
Sat 9/5
1:55 pm-8:35 pm
2 stops6h 40m
San Jose
Sun 9/6
3:25 pm-11:30 pm
2 stops8h 05m
$247
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to San Jose
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 Seattle to San Jose 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 | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-San Jose, California 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 Seattle-San Jose, California 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 Seattle to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from Seattle with our price prediction graph.
SEA-SJC
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 San Jose
Prices
Airlines
How far ahead should I book a flight from Seattle to San Jose, California?
To ensure you get the cheapest price possible for a flight from Seattle to San Jose, California, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to San Jose, California?
Currently, October is the cheapest month in which you can book a flight from Seattle to San Jose, California (average of $216). Flying from Seattle to San Jose, California in February is currently the most expensive (average of $342). 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 SEA to SJC?
Find hourly flight availability from Seattle to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.
One of the essential ways to save on airfare from Seattle to San Jose, California is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 6% on airfare.
What is the cheapest day to fly from Seattle to San Jose, California?
Use this chart to determine the cheapest time to fly round-trip from Seattle to San Jose. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Seattle to San Jose, California flight should consider departing on Wednesday evenings 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 Seattle to San Jose 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 Seattle to San Jose trip
Our travel experts
Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated August 4, 2026.
Read through reviews of airlines operating flights from Seattle to San Jose, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Seattle to San Jose. 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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Search flights from Seattle to San Jose by cabin class
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Seattle and San Jose flights
Browse other Seattle and San Jose flight options. Last updated on August 4, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
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Other flights to San Jose
Explore flights to San Jose departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Top 4 airlines flying from Seattle to San Jose
Discover the top 4 airlines that operate flights from Seattle to San Jose. 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$237 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$291 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$276 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$124 | Average$292 | FlexibilityNo cancel fee | On-time75% |