$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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
Sep 20 — Sep 271
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 21, 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 21, 2026.
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:55 pm -
Nonstop2h 15m
Tue 9/226:25 am -
2 stops6h 25m
Deal found 8/18![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 8/19. 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 9/812:00 pm -
1 stop9h 15m
Thu 9/1011:50 am -
Nonstop2h 30m
Deal found 8/19![Southwest logo]()
$173
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:15 pm -
1 stop7h 45m
Sat 9/269:15 am -
1 stop5h 55m
Deal found 8/17![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:30 pm -
2 stops7h 15m
Sat 9/269:15 am -
1 stop7h 00m
Deal found 8/18![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:00 pm -
2 stops8h 20m
Wed 9/236:25 am -
2 stops6h 25m
Deal found 8/18![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:00 pm -
1 stop9h 15m
Wed 9/96:25 am -
2 stops7h 50m
Deal found 8/17![Southwest logo]()
$188
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:32 am -
Nonstop2h 25m
Thu 9/175:48 pm -
Nonstop2h 22m
Deal found 8/19![Delta logo]()
$190
This Booking.com deal was found by Cheapflights users on 8/19. 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.
Fri 9/187:29 am -
1 stop11h 23m
Sun 9/207:08 am -
Nonstop2h 24m
Deal found 8/19![Alaska Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 9/262:13 pm -
Nonstop2h 15m
Mon 9/288:43 pm -
Nonstop2h 14m
Deal found 8/19![Alaska Airlines logo]()
$192
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:47 pm -
1 stop19h 41m
Thu 9/249:45 pm -
1 stop14h 58m
Deal found 8/18![Frontier logo]()
$193
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:16 pm -
1 stop21h 29m
Mon 10/268:00 pm -
1 stop17h 12m
Deal found 8/17![Frontier logo]()
$194
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am -
Nonstop2h 20m
Tue 9/292:55 pm -
Nonstop2h 10m
Deal found 8/17![Southwest logo]()
$197
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 21, 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 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 11/188:03 am -
Nonstop2h 15m
Sat 11/217:30 am -
Nonstop2h 15m
Deal found 8/19![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:31 am -
Nonstop2h 29m
Mon 10/268:25 am -
Nonstop2h 25m
Deal found 8/19![Delta logo]()
$197
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 8/19. 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.
Sat 9/262:13 pm -
Nonstop2h 15m
Tue 9/2910:13 am -
1 stop8h 56m
Deal found 8/19![Alaska Airlines logo]()
$210
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.
Tue 9/227:25 am -
Nonstop2h 30m
Sun 9/2712:35 pm -
1 stop4h 49m
Deal found 8/15![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:30 pm -
1 stop6h 30m
Sun 9/138:40 am -
Nonstop2h 20m
Deal found 8/17![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:43 pm -
Nonstop2h 22m
Sun 11/810:56 am -
Nonstop2h 20m
Deal found 8/15![Alaska Airlines logo]()
$227
Last-minute flights from San Jose to SeattleDiscover last-minute flight deals from San Jose to Seattle. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Seattle. Data last updated August 21, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/19. 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 9/812:00 pm -
1 stop9h 15m
Thu 9/1011:50 am -
Nonstop2h 30m
Deal found 8/19![Southwest logo]()
$173
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:00 pm -
1 stop9h 15m
Wed 9/96:25 am -
2 stops7h 50m
Deal found 8/17![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:30 pm -
2 stops7h 15m
Sat 9/269:15 am -
1 stop7h 00m
Deal found 8/18![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:55 pm -
Nonstop2h 15m
Tue 9/226:25 am -
2 stops6h 25m
Deal found 8/18![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:00 pm -
2 stops8h 20m
Wed 9/236:25 am -
2 stops6h 25m
Deal found 8/18![Southwest logo]()
$187
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:32 am -
Nonstop2h 25m
Thu 9/175:48 pm -
Nonstop2h 22m
Deal found 8/19![Delta logo]()
$190
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:47 pm -
1 stop19h 41m
Thu 9/249:45 pm -
1 stop14h 58m
Deal found 8/18![Frontier logo]()
$193
This Booking.com deal was found by Cheapflights users on 8/19. 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.
Fri 9/187:29 am -
1 stop11h 23m
Sun 9/207:08 am -
Nonstop2h 24m
Deal found 8/19![Alaska Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:15 pm -
1 stop7h 45m
Sat 9/269:15 am -
1 stop5h 55m
Deal found 8/17![Southwest logo]()
$177
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:03 pm -
1 stop21h 33m
Sat 10/38:15 pm -
1 stop23h 38m
Deal found 8/18![Frontier logo]()
$194
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am -
Nonstop2h 20m
Mon 9/287:30 pm -
Nonstop2h 20m
Deal found 8/18![Southwest logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 9/262:13 pm -
Nonstop2h 15m
Mon 9/288:43 pm -
Nonstop2h 14m
Deal found 8/19![Alaska Airlines logo]()
$192
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 21, 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 21, 2026.
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:45 pm -
Nonstop2h 15m
Deal found 8/17![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 8/19. 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 10/206:00 pm -
1 stop4h 55m
Deal found 8/19![Southwest logo]()
$84
This Frontier deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:47 pm -
1 stop10h 55m
Deal found 8/16![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:15 pm -
1 stop19h 33m
Deal found 8/17![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:38 pm -
1 stop20h 04m
Deal found 8/15![Frontier logo]()
$88
This Southwest deal was found by Cheapflights users on 8/19. 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 9/264:50 pm -
1 stop6h 10m
Deal found 8/19![Southwest logo]()
$89
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:24 pm -
1 stop21h 07m
Deal found 8/17![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:16 pm -
2 stops17h 56m
Deal found 8/15![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:15 am -
2 stops7h 15m
Deal found 8/17![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:16 pm -
1 stop21h 29m
Deal found 8/18![Frontier logo]()
$97
This KAYAK deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm -
Nonstop2h 29m
Deal found 8/17![Delta logo]()
$98
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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $172 (Southwest) |
One-way from | $79 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $285 |
Good round-trip deal | $253 or less |
Good one-way deal | $132 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 7,457,451 searches. Data last updated August 21, 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
Quickest round-trip
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Wed 11/18
8:03 am-10:18 am
Nonstop2h 15m
Seattle/Tacoma Intl
Sat 11/21
7:30 am-9:45 am
Nonstop2h 15m
$197
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 10/23
7:31 am-10:00 am
Nonstop2h 29m
Seattle/Tacoma Intl
Mon 10/26
8:25 am-10:50 am
Nonstop2h 25m
$197
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Sat 9/26
2:13 pm-4:28 pm
Nonstop2h 15m
Seattle/Tacoma Intl
Tue 9/29
10:13 am-7:09 pm
1 stop8h 56m
$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
Sat 11/7
7:43 pm-10:05 pm
Nonstop2h 22m
Seattle/Tacoma Intl
Sun 11/8
10:56 am-1:16 pm
Nonstop2h 20m
$227
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Tue 9/22
7:25 am-9:55 am
Nonstop2h 30m
Seattle/Tacoma Intl
Sun 9/27
12:35 pm-5:24 pm
1 stop4h 49m
$237
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Wed 9/9
2:30 pm-9:00 pm
1 stop6h 30m
Seattle/Tacoma Intl
Sun 9/13
8:40 am-11:00 am
Nonstop2h 20m
$237
Cheapest one-way
Quickest one-way
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Thu 9/24
6:17 am-8:32 am
Nonstop2h 15m
$79
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Thu 9/24
6:00 am-8:20 am
Nonstop2h 20m
$79
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Tue 11/17
5:20 pm-7:40 pm
Nonstop2h 20m
$79
Showing 1-10 of 18 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.
Cheapflights Insights
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 21, 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 22% 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 15, 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 21, 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.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
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
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Kent
Marysville
Ellensburg
Ocean Shores
Lakewood
Fife
Poulsbo
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Jose
Popular flights
Seattle flight routes
Alternative routes for San Jose to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Jose to Seattle by cabin class
Find flights from San Jose to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and Seattle flights
Browse other San Jose and Seattle flight options. Last updated on August 21, 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 21, 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 21, 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$197 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$111 | Average$259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$299 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$118 | Average$187 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$135 | Average$279 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$337 | Average$627 | FlexibilityNo cancel fee | On-time71% |