$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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
Sep 29 — Oct 61
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 February, 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 30, 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 30, 2026.
This Southwest deal was found by Cheapflights users on 8/29. 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.
Tue 10/136:00 pm -
1 stop5h 00m
Tue 10/207:25 pm -
Nonstop2h 15m
Deal found 8/29![Southwest logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1710:47 pm -
1 stop10h 55m
Thu 9/247:08 am -
Nonstop2h 24m
Deal found 8/27![Multiple Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 8/28. 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
Tue 9/292:55 pm -
Nonstop2h 10m
Deal found 8/28![Southwest logo]()
$167
This CheapOair deal was found by Cheapflights users on 8/26. 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 9/2410:47 pm -
1 stop19h 41m
Sat 9/268:15 pm -
1 stop23h 38m
Deal found 8/26![Frontier logo]()
$168
This Trip.com deal was found by Cheapflights users on 8/26. 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.
Sat 10/103:51 pm -
1 stop6h 42m
Sat 10/175:46 pm -
Nonstop2h 14m
Deal found 8/26![Alaska Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 8/26. 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 9/176:00 am -
Nonstop2h 20m
Sat 9/195:00 am -
1 stop9h 45m
Deal found 8/26![Southwest logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares 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 8/25![Frontier logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:29 am -
1 stop11h 23m
Tue 9/225:46 pm -
Nonstop2h 14m
Deal found 8/27![Alaska Airlines logo]()
$180
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 30, 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 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 10/308:44 pm -
Nonstop2h 15m
Sat 10/311:40 pm -
Nonstop2h 12m
Deal found 8/28![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 8/25. 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 8/25![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/28. 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 11/199:00 am -
1 stop8h 50m
Tue 12/17:15 pm -
Nonstop2h 15m
Deal found 8/28![Southwest logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/143:51 pm -
1 stop5h 42m
Wed 10/284:54 pm -
1 stop5h 58m
Deal found 8/27![Alaska Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/233:51 pm -
1 stop17h 37m
Mon 10/262:59 pm -
1 stop7h 49m
Deal found 8/27![Alaska Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 8/28. 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 11/207:00 am -
1 stop6h 00m
Tue 12/17:15 pm -
Nonstop2h 15m
Deal found 8/28![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 8/29. 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.
Thu 10/222:05 pm -
2 stops6h 55m
Sun 10/259:10 pm -
Nonstop2h 15m
Deal found 8/29![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 8/28. 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 9/277:21 am -
Nonstop2h 30m
Mon 9/285:48 pm -
Nonstop2h 22m
Deal found 8/28![Delta logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/256:17 am -
Nonstop2h 15m
Mon 9/288:49 pm -
1 stop12h 34m
Deal found 8/25![Alaska Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 8/27. 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 9/236:50 am -
2 stops10h 00m
Sun 9/278:40 am -
Nonstop2h 20m
Deal found 8/27![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:29 am -
1 stop10h 22m
Sun 9/277:08 am -
Nonstop2h 24m
Deal found 8/26![Alaska Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 8/26. 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 10/142:40 pm -
2 stops7h 00m
Sun 10/189:15 pm -
2 stops15h 20m
Deal found 8/26![Southwest logo]()
$273
Last-minute flights from San Jose to SeattleDiscover last-minute flight deals from San Jose to Seattle. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Seattle. Data last updated August 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1710:47 pm -
1 stop10h 55m
Thu 9/247:08 am -
Nonstop2h 24m
Deal found 8/27![Multiple Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 8/26. 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 9/176:00 am -
Nonstop2h 20m
Sat 9/195:00 am -
1 stop9h 45m
Deal found 8/26![Southwest logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:29 am -
1 stop11h 23m
Wed 9/234:32 pm -
Nonstop2h 13m
Deal found 8/27![Alaska Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/176:17 am -
Nonstop2h 15m
Thu 9/179:45 pm -
1 stop14h 58m
Deal found 8/27![Multiple Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:29 am -
1 stop14h 11m
Tue 9/295:46 pm -
Nonstop2h 14m
Deal found 8/29![Alaska Airlines logo]()
$190
This CheapOair deal was found by Cheapflights users on 8/26. 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 9/2410:47 pm -
1 stop19h 41m
Sat 9/268:15 pm -
1 stop23h 38m
Deal found 8/26![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares 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 8/25![Frontier logo]()
$178
This Southwest deal was found by Cheapflights users on 8/28. 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
Tue 9/292:55 pm -
Nonstop2h 10m
Deal found 8/28![Southwest logo]()
$167
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 30, 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 30, 2026.
This Southwest deal was found by Cheapflights users on 8/29. 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 10/262:05 pm -
Nonstop2h 15m
Deal found 8/29![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 8/29. 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.
Tue 10/206:00 pm -
1 stop5h 00m
Deal found 8/29![Southwest logo]()
$84
This Frontier deal was found by Cheapflights users on 8/28. 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 8/28![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:38 pm -
1 stop20h 04m
Deal found 8/26![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 8/28. 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 10/89:02 pm -
1 stop12h 46m
Deal found 8/28![Frontier logo]()
$87
This Southwest deal was found by Cheapflights users on 8/29. 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 10/176:15 am -
1 stop8h 15m
Deal found 8/29![Southwest logo]()
$89
This Southwest deal was found by Cheapflights users on 8/29. 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.
Wed 9/302:30 pm -
2 stops7h 15m
Deal found 8/29![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/69:07 pm -
1 stop21h 47m
Deal found 8/28![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 8/27. 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 11/272:03 pm -
1 stop5h 13m
Deal found 8/27![Frontier logo]()
$99
This Southwest deal was found by Cheapflights users on 8/26. 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 10/67:25 am -
2 stops11h 20m
Deal found 8/26![Southwest logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/19:03 pm -
1 stop21h 33m
Deal found 8/26![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/289:03 pm -
1 stop21h 33m
Deal found 8/27![Frontier logo]()
$103
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (Southwest) |
One-way from | $79 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $284 |
Good round-trip deal | $251 or less |
Good one-way deal | $144 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 30, 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
Fri 10/30
8:44 pm-10:59 pm
Nonstop2h 15m
Seattle/Tacoma Intl
Sat 10/31
1:40 pm-3:52 pm
Nonstop2h 12m
$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
Wed 10/14
3:51 pm-9:33 pm
1 stop5h 42m
Seattle/Tacoma Intl
Wed 10/28
4:54 pm-10:52 pm
1 stop5h 58m
$203
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 10/23
3:51 pm-9:28 am
1 stop17h 37m
Seattle/Tacoma Intl
Mon 10/26
2:59 pm-10:48 pm
1 stop7h 49m
$213
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Thu 11/19
9:00 am-5:50 pm
1 stop8h 50m
Seattle/Tacoma Intl
Tue 12/1
7:15 pm-9:30 pm
Nonstop2h 15m
$217
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 9/25
6:17 am-8:32 am
Nonstop2h 15m
Seattle/Tacoma Intl
Mon 9/28
8:49 pm-9:23 am
1 stop12h 34m
$230
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Fri 11/20
7:00 am-1:00 pm
1 stop6h 00m
Seattle/Tacoma Intl
Tue 12/1
7:15 pm-9:30 pm
Nonstop2h 15m
$237
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Thu 10/22
2:05 pm-9:00 pm
2 stops6h 55m
Seattle/Tacoma Intl
Sun 10/25
9:10 pm-11:25 pm
Nonstop2h 15m
$242
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Thu 9/24
7:29 am-5:51 pm
1 stop10h 22m
Seattle/Tacoma Intl
Sun 9/27
7:08 am-9:32 am
Nonstop2h 24m
$250
San JoseSeattle
SJC San Jose - SEA Seattle/Tacoma Intl
SJCSEA
San Jose
Sun 9/27
7:21 am-9:51 am
Nonstop2h 30m
Seattle/Tacoma Intl
Mon 9/28
5:48 pm-8:10 pm
Nonstop2h 22m
$269
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.
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 30, 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 29, 2026.
Travelers seeking maximum savings on their San Jose, California to Seattle flight should consider departing on Saturday 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 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 30, 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.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
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.
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Book flights to Seattle if you plan to visit one of these locationsSeaTac
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San Jose and Seattle flights
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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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$197 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$111 | Average$258 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$300 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$118 | Average$187 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$136 | Average$278 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$337 | Average$627 | FlexibilityNo cancel fee | On-time71% |