HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$191+ Cheap flights from San José (SJO) to Seattle (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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San José 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 José Juan Santamaria Intl to Seattle/Tacoma Intl are usually found in October or September, booked 39 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from San José to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) 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 noviembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(Avianca)

One-way from

$191
(SmartFares)

Popular in

June

Cheapest in

October

Average price

$547
Provider with most accurate pricing for San José Juan Santamaria Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Seattle/Tacoma Intl flights.
Search Deals
From San José Juan Santamaria Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from San José Juan Santamaria Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from San José to Seattle

Cheapest flights from San José to Seattle
Explore the most affordable flight options available from San José to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This SmartFares deal was found by Cheapflights users on 11/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/183:05 pmSJO - SEA
2 stops19h 57mMultiple Airlines
mar. 2/35:53 pmSEA - SJO
2 stops15h 32mMultiple Airlines
Deal found 11/25$363
This American Airlines deal was found by Cheapflights users on 11/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/52:56 pmSJO - SEA
1 stop10h 42mAmerican Airlines
dom. 12/712:38 amSEA - SJO
1 stop19h 50mAmerican Airlines
Deal found 11/25$371
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:40 amSJO - SEA
1 stop18h 28mUnited Airlines
dom. 1/411:59 pmSEA - SJO
1 stop20h 33mUnited Airlines
Deal found 11/25$373
This Orbitz deal was found by Cheapflights users on 11/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/55:00 amSJO - SEA
2 stops16h 35mMultiple Airlines
sáb. 3/285:40 pmSEA - SJO
2 stops28h 35mMultiple Airlines
Deal found 11/26$387
This Delta deal was found by Cheapflights users on 11/25. 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.
mié. 12/107:00 amSJO - SEA
1 stop15h 50mDelta
sáb. 1/246:15 amSEA - SJO
1 stop14h 00mDelta
Deal found 11/25$392
This American Airlines deal was found by Cheapflights users on 11/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/101:15 pmSJO - SEA
1 stop12h 01mAmerican Airlines
sáb. 1/248:04 amSEA - SJO
1 stop12h 26mAmerican Airlines
Deal found 11/26$396
This American Airlines deal was found by Cheapflights users on 11/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:32 amSJO - SEA
1 stop14h 10mAmerican Airlines
dom. 1/412:14 amSEA - SJO
1 stop18h 00mAmerican Airlines
Deal found 11/25$402
This American Airlines deal was found by Cheapflights users on 11/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1712:34 amSJO - SEA
1 stop16h 20mAmerican Airlines
mar. 2/38:04 amSEA - SJO
1 stop12h 26mAmerican Airlines
Deal found 11/25$403
This United Airlines deal was found by Cheapflights users on 11/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/89:40 amSJO - SEA
1 stop10h 52mUnited Airlines
mar. 12/97:34 pmSEA - SJO
1 stop10h 58mUnited Airlines
Deal found 11/24$404
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/108:45 amSJO - SEA
2 stops14h 15mUnited Airlines
sáb. 1/2412:35 pmSEA - SJO
2 stops15h 50mUnited Airlines
Deal found 11/25$405

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José 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 noviembre 26, 2025.
Use the filters below to find and compare flights from San José to Seattle that are best for you.

Fly from

San José

Fly to

Seattle

Route

Depart

Return

Price

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 12/10

8:45 am-9:00 pm

2 stops14h 15m

Seattle/Tacoma Intl

sáb. 1/24

12:35 pm-6:25 am

2 stops15h 50m

$405

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 12/5

7:00 am-8:50 pm

1 stop15h 50m

Seattle/Tacoma Intl

lun. 12/8

6:00 am-10:20 pm

1 stop14h 20m

$406

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 12/5

8:45 am-7:22 pm

1 stop12h 37m

Seattle/Tacoma Intl

mié. 12/10

11:59 pm-8:39 pm

1 stop18h 40m

$415

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mar. 12/2

8:45 am-9:00 pm

2 stops14h 15m

Seattle/Tacoma Intl

mié. 12/10

11:59 pm-8:39 pm

1 stop18h 40m

$415

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

jue. 12/4

8:45 am-10:30 pm

2 stops15h 45m

Seattle/Tacoma Intl

mar. 12/9

7:00 am-8:32 am

1 stop23h 32m

$415

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 12/3

2:20 pm-10:47 pm

1 stop10h 27m

Seattle/Tacoma Intl

mié. 12/10

11:59 pm-8:39 pm

1 stop18h 40m

$415

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

jue. 12/4

8:45 am-9:46 pm

2 stops15h 01m

Seattle/Tacoma Intl

mié. 12/10

11:59 pm-8:39 pm

1 stop18h 40m

$415

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 12/5

9:40 am-8:24 am

1 stop24h 44m

Seattle/Tacoma Intl

mar. 12/9

7:00 am-8:32 am

1 stop23h 32m

$415

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 1/30

12:33 pm-11:19 am

3 stops48h 46m

$193

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

jue. 2/5

7:00 am-11:15 pm

1 stop18h 15m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 14 results
1
2

Compare providers for flights from San José 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 José to Seattle in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 José-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San José-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 José-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 José to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San José 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 José to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from San José to Seattle. Price data was last updated on November 21, 2025.

The price you pay for your flight from San José to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from San José to Seattle (average of $361). Flying from San José to Seattle in July is currently the most expensive (average of $482). 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 SJO to SEA?

Find hourly flight availability from San José 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 noviembre 26, 2025.

It’s typically best to fly out from San José to Seattle in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from San José to Seattle?

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 noviembre 26, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines, and American Airlines from San José 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
11,354 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,354 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,046 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
American Airlines
7.2
Good
11,038 reviews
Alaska Airlines
8.0
Very good
11,354 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Related info for your journey

Find useful and relevant information for your journey from San José to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from San José to Seattle can take about 14h 15m. United Airlines provides one of the quickest options available for as low as $405. The distance from San José to Seattle is about 3405 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $408, American Airlines will fly you from San José to Seattle and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $426 and $431, respectively. These flights start at 27% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San José 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 José to Seattle?

    Currently, October is the cheapest month in which you can book a flight from San José to Seattle (average of $361). Flying from San José to Seattle in July is currently the most expensive (average of $482). 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
Tacoma
SeaTac
Olympia
Lakewood
Ocean Shores
Tukwila
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Cle Elum
Marysville
Leavenworth
Fife
Issaquah
Aberdeen
Shoreline
Centralia

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 José to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
San José to Portland flights
Liberia to Seattle flights
Liberia to Portland flights
San José to Spokane flights

Top 3 airlines flying from San José to Seattle

Discover the top 3 airlines that operate flights from San José 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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$408Average$603FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$426Average$527FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$431Average$659FlexibilityNo cancel feeOn-time75%

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.