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Cheap flights from Seattle to San José from $226

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:15 am - 7:40 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 25m2 stops Denver Intl Houston Hobby
Southwest Logo
1:00 pm - 11:55 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 55m2 stops Houston Hobby Phoenix Sky Harbor Intl
$500Southwest
Wed, Oct 21 - Wed, Oct 28
Southwest Logo
6:50 pm - 12:05 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
16h 15m2 stops Phoenix Sky Harbor Intl Orlando
Southwest Logo
1:30 pm - 12:55 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 25m2 stops Houston Hobby Las Vegas Harry Reid Intl
$500Southwest
Mon, Oct 26 - Fri, Oct 30
Multiple Airlines Logo
6:10 am - 11:15 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
16h 05m1 stop Los Angeles
Multiple Airlines Logo
7:45 am - 9:59 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 14m1 stop Miami
$516Multiple Airlines
Sat, Oct 3 - Mon, Oct 12
Multiple Airlines Logo
10:07 am - 11:15 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 08m2 stops Los Angeles Guatemala City La Aurora
Multiple Airlines Logo
5:45 am - 6:48 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 03m2 stops Guatemala City La Aurora Los Angeles
$526Multiple Airlines
Mon, Oct 5 - Thu, Oct 15
United Airlines Logo
7:35 pm - 11:25 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 50m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
9:40 am - 6:33 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
10h 53m1 stop San Francisco
$598United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
11:59 pm - 12:21 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
7:55 am - 9:15 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 20m2 stops Houston George Bush Intcntl Denver Intl
$598United Airlines
Thu, Oct 15 - Sat, Oct 24
American Airlines Logo
5:34 pm - 1:57 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 23m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 11:52 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
18h 52m1 stop Miami
$598American Airlines
Fri, Sep 25 - Mon, Sep 28
American Airlines Logo
12:25 am - 2:00 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 35m1 stop Dallas/Fort Worth
American Airlines Logo
1:00 pm - 12:10 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 10m1 stop Dallas/Fort Worth
$598American Airlines
Thu, Oct 15 - Sat, Oct 24
Delta Logo
2:30 pm - 7:00 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
14h 30m1 stop Los Angeles
Delta Logo
8:25 am - 8:31 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 06m1 stop Los Angeles
$598Delta
Fri, Jan 22 - Sat, Jan 30
Delta Logo
9:20 pm - 12:45 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:25 am - 8:31 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 06m1 stop Los Angeles
$639Delta
Sat, Jan 16 - Sat, Jan 23

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Southwest flights from Seattle to San José

Our best Southwest deals on Seattle to San José flight tickets
Southwest
Oct 21
SEA6:15 amSeattle/Tacoma Intl
12h 25m
2 stops
SJO7:40 pmSan José Juan Santamaria Intl
Oct 28
SJO1:00 pmSan José Juan Santamaria Intl
11h 55m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$500
Southwest
Oct 7
SEA5:35 amSeattle/Tacoma Intl
13h 05m
2 stops
SJO7:40 pmSan José Juan Santamaria Intl
Oct 21
SJO1:00 pmSan José Juan Santamaria Intl
11h 55m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$524
Southwest
Sep 29
SEA8:50 amSeattle/Tacoma Intl
8h 55m
1 stop
SJO6:45 pmSan José Juan Santamaria Intl
Oct 6
SJO9:00 amSan José Juan Santamaria Intl
14h 40m
2 stops
SEA10:40 pmSeattle/Tacoma Intl
$526

American Airlines flights from Seattle to San José

Our best American Airlines deals on Seattle to San José flight tickets
American Airlines
Sep 1
SEA3:47 pmSeattle/Tacoma Intl
21h 05m
1 stop
SJO1:52 pmSan José Juan Santamaria Intl
Sep 14
SJO6:00 amSan José Juan Santamaria Intl
18h 52m
1 stop
SEA11:52 pmSeattle/Tacoma Intl
$612
American Airlines
Sep 1
SEA9:58 pmSeattle/Tacoma Intl
14h 54m
2 stops
SJO1:52 pmSan José Juan Santamaria Intl
Sep 14
SJO6:00 amSan José Juan Santamaria Intl
18h 52m
1 stop
SEA11:52 pmSeattle/Tacoma Intl
$614
American Airlines
Sep 2
SEA3:47 pmSeattle/Tacoma Intl
21h 05m
1 stop
SJO1:52 pmSan José Juan Santamaria Intl
Sep 8
SJO7:00 amSan José Juan Santamaria Intl
18h 20m
1 stop
SEA12:20 amSeattle/Tacoma Intl
$637

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Wed 10/21

6:15 am-7:40 pm

2 stops12h 25m

San José Juan Santamaria Intl

Wed 10/28

1:00 pm-11:55 pm

2 stops11h 55m

$500

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Mon 10/26

6:50 pm-12:05 pm

2 stops16h 15m

San José Juan Santamaria Intl

Fri 10/30

1:30 pm-12:55 am

2 stops12h 25m

$500

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Sat 10/3

6:10 am-11:15 pm

1 stop16h 05m

San José Juan Santamaria Intl

Mon 10/12

7:45 am-9:59 pm

1 stop15h 14m

$516

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Mon 10/5

10:07 am-11:15 pm

2 stops12h 08m

San José Juan Santamaria Intl

Thu 10/15

5:45 am-6:48 pm

2 stops14h 03m

$526

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Wed 11/11

7:35 pm-11:25 am

2 stops13h 50m

San José Juan Santamaria Intl

Wed 11/18

9:40 am-6:33 pm

1 stop10h 53m

$598

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Thu 10/15

11:59 pm-12:21 pm

1 stop11h 22m

San José Juan Santamaria Intl

Sat 10/24

7:55 am-9:15 pm

2 stops14h 20m

$598

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Fri 9/25

5:34 pm-1:57 pm

1 stop19h 23m

San José Juan Santamaria Intl

Mon 9/28

6:00 am-11:52 pm

1 stop18h 52m

$598

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Thu 10/15

12:25 am-2:00 pm

1 stop12h 35m

San José Juan Santamaria Intl

Sat 10/24

1:00 pm-12:10 am

1 stop12h 10m

$598

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Fri 1/22

2:30 pm-7:00 am

1 stop14h 30m

San José Juan Santamaria Intl

Sat 1/30

8:25 am-8:31 pm

1 stop14h 06m

$598

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Sat 1/16

9:20 pm-12:45 pm

1 stop13h 25m

San José Juan Santamaria Intl

Sat 1/23

8:25 am-8:31 pm

1 stop14h 06m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San José from

How to get the cheapest flight ticket from Seattle to San José

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and San José?

Prices are currently low for flights on this route.

Typical prices usually range from $558 to $736.
The lowest price recently found on this route was $500.

What is the cheapest month to fly to San José?

In general, October is the cheapest month to fly from Seattle to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $560. If you don’t want to visit San José in October, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $572.

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

You are more likely to see cheaper flights to San José from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $672 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Seattle for as low as $600 on momondo.

Can stopping save me money on Seattle to San José flights?

You could potentially save up to 1% on your flight if you consider stops on a Seattle to San José flight.

How have Seattle to San José flight prices changed over time?

As of August 2026, prices for Seattle to San José flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to San José (SEA to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San José

Best Price Found

$226

Fastest flight time

12h 31m

Direct flights

None
The best one-way flight to San José from Seattle in the past 72 hours is $226. The best round-trip flight deal from Seattle to San José found on momondo in the last 72 hours is $500.
The fastest flight from Seattle to San José takes 12h 31m
There are no direct flights from Seattle to San José. There are no popular flight routes from Seattle to San José.
Search flight deals

Frequently asked questions about flying from Seattle to San José

  • How far is Seattle/Tacoma Intl to San José Juan Santamaria Intl by plane?

    San José Juan Santamaria Intl is 3420.5 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 12h 31m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to San José Juan Santamaria Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to San José?

Best airlines flying from Seattle to San José

Compare and see reviews for airlines that fly from Seattle to San José with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $345Free CancellationRating
7.8
8,501 reviews
Search Delta flights
JetBluePriceFrom $362Free CancellationRating
7.1
3,037 reviews
Search JetBlue flights
Air CanadaPriceFrom $384Free CancellationRating
7.1
11,506 reviews
Search Air Canada flights
American AirlinesPriceFrom $386Free CancellationRating
7.1
11,966 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $387Free CancellationRating
7.9
12,816 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights
SouthwestPriceFrom $516Free CancellationRating
8.0
4,216 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Santa Elena
San Gerardo de Dota
Dominical
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San José?

Finding the right flight to San José from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San José quick and easy, saving you time and money.

Can I find flights from Seattle to San José with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to San José flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to San José?

Once all potential Seattle to San José flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to San José right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

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