HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$79+ Cheap flights from San Jose 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEA
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
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 February, booked 88 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$79
(Southwest)

Popular in

July

Cheapest in

January

Average price

$285

Good round-trip deal

$214 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for San Jose-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Seattle/Tacoma Intl flights.
Search Deals
From San Jose to Seattle/Tacoma Intl
Search Deals
One-way flight from San Jose to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from San Jose to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from San Jose to Seattle/Tacoma Intl.
Search Deals

Find flight deals from San Jose to Seattle

Cheapest flights from San Jose to Seattle
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 September 29, 2025.

This Delta deal was found by Cheapflights users on 9/29. 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.
Tue 10/214:37 pmSJC - SEA
Nonstop2h 23mDelta
Wed 10/228:35 amSEA - SJC
Nonstop2h 16mDelta
Deal found 9/29$137
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:57 pmSJC - SEA
1 stop3h 51mAlaska Airlines
Tue 11/45:48 pmSEA - SJC
Nonstop2h 12mAlaska Airlines
Deal found 9/28$142
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 10/225:05 pmSJC - SEA
1 stop4h 04mAlaska Airlines
Sat 10/254:52 pmSEA - SJC
Nonstop2h 14mAlaska Airlines
Deal found 9/29$147
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 12/139:49 amSJC - SEA
1 stop4h 50mAlaska Airlines
Sat 12/135:00 pmSEA - SJC
1 stop5h 59mAlaska Airlines
Deal found 9/29$151
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Thu 10/238:00 amSJC - SEA
Nonstop2h 24mAlaska Airlines
Tue 10/284:40 pmSEA - SJC
Nonstop2h 13mAlaska Airlines
Deal found 9/28$152
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:46 pmSJC - SEA
Nonstop2h 32mDelta
Tue 12/24:40 pmSEA - SJC
Nonstop2h 17mDelta
Deal found 9/27$155
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/215:05 pmSJC - SEA
1 stop4h 04mAlaska Airlines
Wed 10/295:20 amSEA - SJC
1 stop3h 35mAlaska Airlines
Deal found 9/28$156
This Delta deal was found by Cheapflights users on 9/29. 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.
Mon 10/207:35 pmSJC - SEA
Nonstop2h 25mDelta
Sat 10/257:50 pmSEA - SJC
Nonstop2h 18mDelta
Deal found 9/29$157
This Southwest deal was found by Cheapflights users on 9/28. 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.
Wed 10/2212:00 pmSJC - SEA
2 stops11h 00mSouthwest
Sat 10/253:50 pmSEA - SJC
Nonstop2h 15mSouthwest
Deal found 9/28$158
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/216:15 amSJC - SEA
1 stop6h 41mAlaska Airlines
Tue 10/214:52 pmSEA - SJC
Nonstop2h 14mAlaska Airlines
Deal found 9/29$161
This Booking.com deal was found by Cheapflights users on 9/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:27 pmSJC - SEA
1 stop23h 40mFrontier
Sun 10/268:43 pmSEA - SJC
1 stop14h 49mFrontier
Deal found 9/27$162
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Thu 10/238:00 amSJC - SEA
Nonstop2h 24mAlaska Airlines
Wed 10/295:20 amSEA - SJC
1 stop3h 35mAlaska Airlines
Deal found 9/28$165

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
Use the filters below to find and compare flights from San Jose to Seattle that are best for you.

Fly from

San Jose

Fly to

Seattle

Route

Depart

Return

Price

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 10/25

7:15 am-9:45 am

Nonstop2h 30m

Seattle/Tacoma Intl

Sat 10/25

7:50 pm-10:08 pm

Nonstop2h 18m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 10/25

7:35 pm-10:00 pm

Nonstop2h 25m

Seattle/Tacoma Intl

Wed 11/12

8:35 am-10:56 am

Nonstop2h 21m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 10/25

6:20 pm-8:35 pm

Nonstop2h 15m

Seattle/Tacoma Intl

Wed 11/12

5:40 am-2:45 pm

1 stop9h 05m

$147

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 10/22

5:05 pm-9:09 pm

1 stop4h 04m

Seattle/Tacoma Intl

Wed 10/29

5:20 am-8:55 am

1 stop3h 35m

$156

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 11/11

8:10 am-10:34 am

Nonstop2h 24m

Seattle/Tacoma Intl

Fri 11/14

5:48 pm-8:00 pm

Nonstop2h 12m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sun 10/19

7:15 am-9:45 am

Nonstop2h 30m

Seattle/Tacoma Intl

Tue 10/28

4:45 pm-6:55 pm

Nonstop2h 10m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Mon 10/20

6:59 pm-9:22 pm

Nonstop2h 23m

Seattle/Tacoma Intl

Wed 10/22

3:05 pm-5:20 pm

Nonstop2h 15m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 10/29

4:48 pm-7:07 pm

Nonstop2h 19m

Seattle/Tacoma Intl

Mon 11/3

8:49 pm-10:59 pm

Nonstop2h 10m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 10/22

12:00 pm-11:00 pm

2 stops11h 00m

Seattle/Tacoma Intl

Sat 10/25

3:50 pm-6:05 pm

Nonstop2h 15m

$158

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Sat 11/8

2:57 pm-6:48 pm

1 stop3h 51m

Seattle/Tacoma Intl

Mon 11/10

4:40 pm-6:53 pm

Nonstop2h 13m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 22 results
1
2
3

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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose-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-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose-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-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Jose to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Jose to Seattle trip
Airports
SJC

SJC offers free Wi-Fi throughout the airport, making it easy to stay connected while waiting for your flight.

Read more about SJCby Daniel Scheffler
SEA

Use the Link light rail from SEA to downtown Seattle for a cost-effective and convenient 40-minute journey.

Read more about SEAby Brandon Schultz
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on SJC

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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.
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

How far ahead should I book a flight from San Jose to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Seattle. Price data was last updated on September 26, 2025.

The best time to book flights from San Jose to Seattle is 88 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 to Seattle?

Currently, January is the cheapest month in which you can book a flight from San Jose to Seattle (average of $238). Flying from San Jose to Seattle in June is currently the most expensive (average of $388). 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 September 29, 2025.

A simple way to save on the total cost of your ticket is to fly from San Jose 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 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 September 21, 2025.

Travelers seeking maximum savings on their San Jose to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,245 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,760 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,055 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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.

  • What airports do I use to fly from San Jose to Seattle?

    If you wish to fly to Seattle from San Jose, then you need to book flights from San Jose to Seattle/Tacoma Intl. There are 35 flights from San Jose (SJC) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from San Jose are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 2h 15m is how long a nonstop flight from San Jose to Seattle/Tacoma Intl typically takes.

  • How popular is this San Jose to Seattle flight route?

    This flight path from San Jose to Seattle/Tacoma Intl was viewed by 53 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Jose to Seattle?

    Airlines like Delta, Southwest, and Alaska Airlines fly from San Jose to Seattle in about 2h 15m. The time it takes to get you to your destination can typically vary by up to 1h 49m. The distance from San Jose to Seattle is about 697 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Jose to Seattle round-trip?

    Currently priced at $64, Spirit Airlines will fly you from San Jose to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Hawaiian Airlines - these airlines can fly you to your destination from $100 and $108, respectively. Spirit Airlines is priced at 74% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from San Jose to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Jose to Seattle on time: Sun Country Air (100%), Horizon Air (100%), Aeromexico (98%).

  • What are the cheapest flights from San Jose to Seattle?

    The cheapest flight price from San Jose to Seattle is $78. On average you can expect to pay $476. The most popular route, (San Jose - Seattle/Tacoma Intl), can usually be booked for $121.

  • Can I find deals for flights from San Jose to Seattle that include hotel bookings?

    Yes. In addition to deals on San Jose to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Seattle.

  • Can I find deals for business class flights from San Jose to Seattle?

    Yes. Cheapflights offers flight deals from San Jose to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose to Seattle?

    Currently, January is the cheapest month in which you can book a flight from San Jose to Seattle (average of $238). Flying from San Jose to Seattle in June is currently the most expensive (average of $388). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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 for San Jose to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Seattle flights
Ontario to Seattle flights
San Francisco to Seattle flights
Santa Ana to Seattle flights
San Diego to Seattle flights
Los Angeles to Portland flights
San Francisco to Portland flights
Sacramento to Seattle flights
Las Vegas to Seattle flights
Oakland to Seattle flights
Ontario to Portland flights
Los Angeles to Everett flights
San Francisco to Everett flights
Medford to Seattle flights
Santa Ana to Portland flights
Las Vegas to Portland flights
San Diego to Everett flights
Burbank to Seattle flights
Santa Ana to Everett flights
San Jose to Portland flights
San Diego to Portland flights
Long Beach to Seattle flights
Oakland to Portland flights
San Luis Obispo to Seattle flights
Sacramento to Portland flights
Los Angeles to Spokane flights
Las Vegas to Everett flights
Palm Springs to Seattle flights
Santa Barbara to Seattle flights
San Jose to Everett flights
Burbank to Portland flights
Fresno to Seattle flights
San Francisco to Spokane flights
Palm Springs to Portland flights
Ontario to Pasco flights
Fresno to Portland flights
Santa Rosa to Portland flights
Long Beach to Portland flights
Santa Rosa to Seattle flights
Reno to Seattle flights
Reno to Portland flights
Santa Ana to Spokane flights
Monterey to Seattle flights
Sacramento to Spokane flights
Los Angeles to Pasco flights
Medford to Portland flights
San Luis Obispo to Portland flights
Ontario to Spokane flights
Reno to Spokane flights

Top 7 airlines flying from San Jose to Seattle

Discover the top 7 airlines that operate flights from San Jose to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$194FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$254FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$262FlexibilityNo cancel feeOn-time85%
DeltaCheapest$115Average$226FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$136Average$244FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$151Average$286FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$202Average$485FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.