Which airport typically offers the quickest layover for flights from Seattle to San José, San José Province?

Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 2h 01m.

What’s the top layover airport for flights from Seattle to San José, San José Province?

Los Angeles (LAX) – chosen by Cheapflights users on 67% of one-stop itineraries from Seattle to San José, San José Province on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to San José, San José Province?

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of C$ 899.

What’s the fastest layover option from Seattle to San José, San José Province?

Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 10h 35m.

How long is the flight from Seattle to San José, San José Province?

Departing from Seattle to San José, San José Province will take you 12h 44m. Airlines will cover a distance of 5480 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What is the cheapest airline to fly from Seattle to San José, San José Province round-trip?

Currently priced at C$ 598, American Airlines will fly you from Seattle to San José, San José Province and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Seattle to San José, San José Province?

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

In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 300.0 mm per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

What is the cheapest day to fly round-trip from Seattle to San José, San José Province?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San José, San José Province. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Seattle to San José, San José Province?

Travellers have found it’s best to book a flight 56 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to San José, San José Province 1-2 weeks in advance for as low as C$ 843, or C$ 905 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to San José, San José Province?

Our data shows that September tends to be the cheapest month to fly to San José, San José Province from Seattle. Users have commonly found prices around C$ 897 for the month, but tickets can be as low as C$ 545. Due to multiple factors, prepare for potentially higher prices in December.

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

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

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

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

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

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

C$ 218+ Flights from Seattle to San José

Cheap flight deals from Seattle to San José

Round-trip from	C$ 479
One-way from	C$ 218
Popular in	December
Cheapest in	September
Average price	C$ 730

United Airlines
5/10-14/10
2 total stops
22h 59m total
Seattle to San José

Search Deals

United Airlines
1/10
1 total stop
14h 47m total
Seattle to San José

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 133 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Seattle to San José

Cheapest flights from Seattle to San José
Explore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sun 5/107:37 p.m.SEA - SJO

1 stop10h 38mUnited Airlines

Tue 14/107:55 a.m.SJO - SEA

1 stop12h 21mUnited Airlines

Deal found 10/9C$ 479

Tue 23/97:34 p.m.SEA - SJO

1 stop10h 41mUnited Airlines

Fri 26/97:55 a.m.SJO - SEA

2 stops16h 20mUnited Airlines

Deal found 9/9C$ 485

Tue 21/107:37 p.m.SEA - SJO

1 stop10h 38mUnited Airlines

Tue 4/119:40 a.m.SJO - SEA

1 stop10h 45mUnited Airlines

Deal found 9/9C$ 496

Wed 24/96:25 a.m.SEA - SJO

2 stops12h 12mUnited Airlines

Mon 6/107:55 a.m.SJO - SEA

1 stop14h 28mUnited Airlines

Deal found 9/9C$ 500

Mon 27/105:20 a.m.SEA - SJO

2 stops17h 31mAlaska Airlines

Mon 3/111:55 a.m.SJO - SEA

2 stops18h 53mAlaska Airlines

Deal found 9/9C$ 502

Tue 23/97:34 p.m.SEA - SJO

1 stop10h 41mUnited Airlines

Mon 6/107:55 a.m.SJO - SEA

2 stops14h 58mUnited Airlines

Deal found 9/9C$ 506

Sun 9/116:25 a.m.SEA - SJO

1 stop16h 13mAlaska Airlines

Tue 11/111:55 a.m.SJO - SEA

1 stop20h 03mAlaska Airlines

Deal found 11/9C$ 513

Sun 9/115:20 a.m.SEA - SJO

2 stops17h 18mAlaska Airlines

Fri 14/111:55 a.m.SJO - SEA

2 stops18h 53mAlaska Airlines

Deal found 11/9C$ 518

Mon 10/1112:41 a.m.SEA - SJO

1 stop11h 29mAmerican Airlines

Sun 16/112:39 p.m.SJO - SEA

1 stop12h 19mAmerican Airlines

Deal found 9/9C$ 520

Wed 5/115:30 p.m.SEA - SJO

1 stop29h 08mAlaska Airlines

Sun 9/111:55 a.m.SJO - SEA

1 stop11h 11mAlaska Airlines

Deal found 11/9C$ 522

Sat 8/1111:10 p.m.SEA - SJO

2 stops23h 28mAlaska Airlines

Mon 24/111:30 a.m.SJO - SEA

1 stop24h 27mAlaska Airlines

Deal found 9/9C$ 529

Best flights from Seattle to San José
Discover carefully curated flight deals from Seattle to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Tue 30/95:31 p.m.SEA - SJO

1 stop12h 44mUnited Airlines

Tue 7/107:55 a.m.SJO - SEA

2 stops14h 58mUnited Airlines

Deal found 9/9C$ 485

Fri 5/1212:25 p.m.SEA - SJO

1 stop16h 35mDelta

Thu 11/127:00 a.m.SJO - SEA

1 stop18h 58mDelta

Deal found 11/9C$ 513

Sun 22/28:00 a.m.SEA - SJO

1 stop13h 00mAlaska Airlines

Mon 2/32:26 a.m.SJO - SEA

2 stops16h 55mAlaska Airlines

Deal found 9/9C$ 611

Wed 12/113:40 p.m.SEA - SJO

1 stop19h 26mDelta

Sun 16/117:00 a.m.SJO - SEA

1 stop18h 59mDelta

Deal found 9/9C$ 513

Mon 20/1011:10 p.m.SEA - SJO

1 stop12h 16mUnited Airlines

Wed 29/1011:35 a.m.SJO - SEA

2 stops14h 24mUnited Airlines

Deal found 8/9C$ 540

Tue 11/113:40 p.m.SEA - SJO

1 stop19h 26mDelta

Sun 16/117:00 a.m.SJO - SEA

1 stop18h 59mDelta

Deal found 9/9C$ 513

Mon 9/29:45 a.m.SEA - SJO

1 stop11h 15mAlaska Airlines

Wed 18/22:26 a.m.SJO - SEA

2 stops16h 55mAlaska Airlines

Deal found 10/9C$ 611

Thu 13/1111:59 p.m.SEA - SJO

1 stop9h 26mUnited Airlines

Mon 17/118:45 a.m.SJO - SEA

2 stops16h 25mUnited Airlines

Deal found 11/9C$ 571

Wed 8/106:30 a.m.SEA - SJO

1 stop11h 30mAlaska Airlines

Mon 27/101:11 a.m.SJO - SEA

1 stop14h 37mAlaska Airlines

Deal found 10/9C$ 625

Thu 5/29:45 a.m.SEA - SJO

1 stop11h 15mAlaska Airlines

Wed 18/22:26 a.m.SJO - SEA

2 stops16h 55mAlaska Airlines

Deal found 10/9C$ 626

Thu 19/29:00 a.m.SEA - SJO

2 stops12h 00mAlaska Airlines

Tue 3/32:26 a.m.SJO - SEA

2 stops16h 55mAlaska Airlines

Deal found 9/9C$ 626

Last-minute flights from Seattle to San José
Discover last-minute flight deals from Seattle to San José. Data last updated 11 September 2025 and is based on user searches.

Tue 23/97:34 p.m.SEA - SJO

1 stop10h 41mUnited Airlines

Fri 26/97:55 a.m.SJO - SEA

2 stops16h 20mUnited Airlines

Deal found 9/9C$ 485

Tue 23/97:34 p.m.SEA - SJO

1 stop10h 41mUnited Airlines

Mon 6/107:55 a.m.SJO - SEA

2 stops14h 58mUnited Airlines

Deal found 9/9C$ 506

Wed 24/96:25 a.m.SEA - SJO

2 stops12h 12mUnited Airlines

Mon 6/107:55 a.m.SJO - SEA

1 stop14h 28mUnited Airlines

Deal found 9/9C$ 500

Sun 5/107:37 p.m.SEA - SJO

1 stop10h 38mUnited Airlines

Tue 14/107:55 a.m.SJO - SEA

1 stop12h 21mUnited Airlines

Deal found 10/9C$ 479

Mon 6/1011:10 p.m.SEA - SJO

1 stop12h 16mUnited Airlines

Mon 27/108:40 a.m.SJO - SEA

1 stop10h 45mUnited Airlines

Deal found 10/9C$ 550

Tue 7/104:20 p.m.SEA - SJO

2 stops14h 20mMultiple Airlines

Tue 14/104:20 p.m.SJO - SEA

2 stops17h 48mMultiple Airlines

Deal found 9/9C$ 540

Tue 7/106:35 a.m.SEA - SJO

2 stops12h 02mUnited Airlines

Tue 14/107:55 a.m.SJO - SEA

2 stops14h 20mUnited Airlines

Deal found 9/9C$ 553

Tue 14/103:28 p.m.SEA - SJO

1 stop14h 47mUnited Airlines

Wed 22/108:37 a.m.SJO - SEA

1 stop11h 08mUnited Airlines

Deal found 9/9C$ 539

Tue 21/107:37 p.m.SEA - SJO

1 stop10h 38mUnited Airlines

Tue 4/119:40 a.m.SJO - SEA

1 stop10h 45mUnited Airlines

Deal found 9/9C$ 496

Mon 27/105:20 a.m.SEA - SJO

2 stops17h 31mAlaska Airlines

Mon 3/111:55 a.m.SJO - SEA

2 stops18h 53mAlaska Airlines

Deal found 9/9C$ 502

One-way flights from Seattle to San José
Search for one-way flight options from Seattle to San José. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Wed 1/103:28 p.m.SEA - SJO

1 stop14h 47mUnited Airlines

Deal found 10/9C$ 218

Tue 4/113:45 p.m.SEA - SJO

1 stop19h 05mDelta

Deal found 10/9C$ 234

Sat 18/1011:10 p.m.SEA - SJO

1 stop19h 27mUnited Airlines

Deal found 10/9C$ 238

Sat 15/1111:10 p.m.SEA - SJO

2 stops23h 28mAlaska Airlines

Deal found 8/9C$ 243

Fri 5/1211:41 a.m.SEA - SJO

3 stops34h 40mMultiple Airlines

Deal found 9/9C$ 251

Thu 9/1011:56 p.m.SEA - SJO

1 stop12h 04mJetBlue

Deal found 9/9C$ 272

Thu 2/104:35 p.m.SEA - SJO

1 stop18h 51mUnited Airlines

Deal found 9/9C$ 280

Wed 10/126:55 p.m.SEA - SJO

2 stops16h 20mSouthwest

Deal found 8/9C$ 290

Sun 28/97:00 a.m.SEA - SJO

1 stop11h 37mUnited Airlines

Deal found 10/9C$ 294

Wed 17/911:10 p.m.SEA - SJO

2 stops12h 35mSouthwest

Deal found 11/9C$ 295

Thu 19/28:05 a.m.SEA - SJO

2 stops12h 55mAlaska Airlines

Deal found 10/9C$ 298

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 30/9

5:31 p.m.-7:15 a.m.

1 stop12h 44m

San José Juan Santamaria Intl

Tue 7/10

7:55 a.m.-9:53 p.m.

2 stops14h 58m

C$ 485

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/12

12:25 p.m.-7:00 a.m.

1 stop16h 35m

San José Juan Santamaria Intl

Thu 11/12

7:00 a.m.-11:58 p.m.

1 stop18h 58m

C$ 513

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 12/11

3:40 p.m.-1:06 p.m.

1 stop19h 26m

San José Juan Santamaria Intl

Sun 16/11

7:00 a.m.-11:59 p.m.

1 stop18h 59m

C$ 513

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 11/11

3:40 p.m.-1:06 p.m.

1 stop19h 26m

San José Juan Santamaria Intl

Sun 16/11

7:00 a.m.-11:59 p.m.

1 stop18h 59m

C$ 513

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 20/10

11:10 p.m.-12:26 p.m.

1 stop12h 16m

San José Juan Santamaria Intl

Wed 29/10

11:35 a.m.-12:59 a.m.

2 stops14h 24m

C$ 540

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 13/11

11:59 p.m.-11:25 a.m.

1 stop9h 26m

San José Juan Santamaria Intl

Mon 17/11

8:45 a.m.-11:10 p.m.

2 stops16h 25m

C$ 571

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 22/2

8:00 a.m.-11:00 p.m.

1 stop13h 00m

San José Juan Santamaria Intl

Mon 2/3

2:26 a.m.-5:21 p.m.

2 stops16h 55m

C$ 611

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 9/2

9:45 a.m.-11:00 p.m.

1 stop11h 15m

San José Juan Santamaria Intl

Wed 18/2

2:26 a.m.-5:21 p.m.

2 stops16h 55m

C$ 611

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 8/10

6:30 a.m.-7:00 p.m.

1 stop11h 30m

San José Juan Santamaria Intl

Mon 27/10

1:11 a.m.-2:48 p.m.

1 stop14h 37m

C$ 625

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 5/2

9:45 a.m.-11:00 p.m.

1 stop11h 15m

San José Juan Santamaria Intl

Wed 18/2

2:26 a.m.-5:21 p.m.

2 stops16h 55m

C$ 626

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 22 results

Best time to book a flight from Seattle to San José

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

Prices

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

To ensure you get the cheapest price possible for a flight from Seattle to San José, San José Province, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Seattle to San José, San José Province (average of C$ 486). Flying from Seattle to San José, San José Province in December is currently the most expensive (average of C$ 683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SJO?

When flying from Seattle to San José, San José Province, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the morning.

Reviews of airlines servicing San José

Read reviews from past customers who have flown American Airlines from Seattle to San José. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

How long is the flight from Seattle to San José, San José Province?
Departing from Seattle to San José, San José Province will take you 12h 44m. Airlines will cover a distance of 5480 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from Seattle to San José, San José Province round-trip?
Currently priced at C$ 598, American Airlines will fly you from Seattle to San José, San José Province and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Seattle to San José that include hotel bookings?
Yes. In addition to deals on Seattle to San José flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to San José?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San José.
Can I find deals for business class flights from Seattle to San José?
Yes. Cheapflights offers flight deals from Seattle to San José 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 Seattle to San José, San José Province?
Currently, May is the cheapest month in which you can book a flight from Seattle to San José, San José Province (average of C$ 486). Flying from Seattle to San José, San José Province in December is currently the most expensive (average of C$ 683). 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

Alajuela

Jacó

Heredia

Dominical

Manuel Antonio

Monteverde

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Top airline flying from Seattle to San José

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 598	AverageC$ 700	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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How does Cheapflights help users find flights from Seattle to San José?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San José from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to San José?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to San José for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to San José with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to San José with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to San José become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Seattle to San José from C$ 218

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to San José

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to San José

Cheapest flights from Seattle to San JoséExplore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Explore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to San José that are best for you.

Best time to book a flight from Seattle to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San José

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

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

What is the cheapest time of day to fly from SEA to SJO?

What’s the top layover airport for flights from Seattle to San José, San José Province?

What’s the fastest layover option from Seattle to San José, San José Province?

What’s the fastest layover option from Seattle to San José, San José Province?

Which airport typically offers the quickest layover for flights from Seattle to San José, San José Province?

Reviews of airlines servicing San José

Read reviews from past customers who have flown American Airlines from Seattle to San José. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San José. 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 Seattle to San José, San José Province?

What is the cheapest airline to fly from Seattle to San José, San José Province round-trip?

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

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

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

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

Travelling to a place near San José?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to San José

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Seattle to San José

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to San José?

Why should you use Cheapflights to find cheap flight tickets from Seattle to San José?

Can Cheapflights find flights from Seattle to San José with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to San José become cheaper?

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Cheapest flights from Seattle to San José
Explore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.