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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
7:25 pm - 12:45 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
16h 20m2 stops Las Vegas Harry Reid Intl Orlando
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
Mon, Sep 28 - Wed, Oct 7
Southwest Logo
6:45 pm - 12:45 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
17h 00m2 stops Denver Intl Orlando
Southwest Logo
9:00 am - 11:40 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 40m2 stops Orlando Chicago Midway
$513Southwest
Sun, Sep 13 - Tue, Sep 22
Multiple Airlines Logo
2:40 pm - 8:35 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 55m2 stops New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
7:45 am - 10:00 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 15m1 stop Miami
$562Multiple Airlines
Wed, Jan 20 - Wed, Feb 3
Multiple Airlines Logo
2:40 pm - 8:35 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 55m2 stops New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
7:45 am - 10:00 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 15m1 stop Miami
$562Multiple Airlines
Sun, Jan 24 - Tue, Feb 2
United Airlines Logo
5:35 pm - 8:32 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 57m1 stop San Francisco
United Airlines Logo
2:25 pm - 10:38 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
10h 13m1 stop Houston George Bush Intcntl
$598United Airlines
Fri, Jan 1 - Wed, Jan 20
United Airlines Logo
7:17 am - 7:37 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
7:55 am - 11:00 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 05m1 stop Houston George Bush Intcntl
$598United Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
5:41 pm - 2:00 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 19m1 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
Wed, Oct 14 - Mon, Oct 19
American Airlines Logo
7:30 am - 7:55 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
10h 25m1 stop Dallas/Fort Worth
American Airlines Logo
6:30 am - 8:04 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 34m1 stop Dallas/Fort Worth
$598American Airlines
Tue, Jan 19 - Fri, Jan 29
Delta Logo
3:55 pm - 12:00 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:25 pm - 10:03 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 38m1 stop Atlanta Hartsfield-Jackson
$598Delta
Tue, Oct 20 - Sun, Nov 1
Delta Logo
3:55 pm - 12:00 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:25 pm - 11:03 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
22h 38m1 stop Atlanta Hartsfield-Jackson
$598Delta
Mon, Oct 19 - Sat, Oct 31

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Delta flights from Seattle to San José

Our best Delta deals on Seattle to San José flight tickets
Delta
Oct 24
SEA10:35 pmSeattle/Tacoma Intl
12h 25m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Oct 28
SJO1:25 pmSan José Juan Santamaria Intl
11h 27m
1 stop
SEA11:52 pmSeattle/Tacoma Intl
$598
Delta
Nov 5
SEA3:55 pmSeattle/Tacoma Intl
19h 05m
1 stop
SJO1:00 pmSan José Juan Santamaria Intl
Nov 19
SJO7:00 amSan José Juan Santamaria Intl
15h 48m
1 stop
SEA8:48 pmSeattle/Tacoma Intl
$609

United Airlines flights from Seattle to San José

Our best United Airlines deals on Seattle to San José flight tickets
United Airlines
Sep 13
SEA5:20 pmSeattle/Tacoma Intl
12h 55m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Sep 21
SJO8:45 amSan José Juan Santamaria Intl
12h 58m
1 stop
SEA8:43 pmSeattle/Tacoma Intl
$598
United Airlines
Oct 14
SEA8:29 pmSeattle/Tacoma Intl
14h 52m
2 stops
SJO12:21 pmSan José Juan Santamaria Intl
Oct 21
SJO7:55 amSan José Juan Santamaria Intl
12h 08m
1 stop
SEA7:03 pmSeattle/Tacoma Intl
$603
United Airlines
Nov 6
SEA10:56 pmSeattle/Tacoma Intl
11h 39m
1 stop
SJO12:35 pmSan José Juan Santamaria Intl
Nov 13
SJO12:35 pmSan José Juan Santamaria Intl
12h 16m
1 stop
SEA10:51 pmSeattle/Tacoma Intl
$622

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Mon 9/28

7:25 pm-12:45 pm

2 stops16h 20m

San José Juan Santamaria Intl

Wed 10/7

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

Sun 9/13

6:45 pm-12:45 pm

2 stops17h 00m

San José Juan Santamaria Intl

Tue 9/22

9:00 am-11:40 pm

2 stops15h 40m

$513

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Wed 1/20

2:40 pm-8:35 am

2 stops15h 55m

San José Juan Santamaria Intl

Wed 2/3

7:45 am-10:00 pm

1 stop16h 15m

$562

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sun 1/24

2:40 pm-8:35 am

2 stops15h 55m

San José Juan Santamaria Intl

Tue 2/2

7:45 am-10:00 pm

1 stop16h 15m

$562
Quickest round-trip

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 1/1

5:35 pm-8:32 am

1 stop12h 57m

San José Juan Santamaria Intl

Wed 1/20

2:25 pm-10:38 pm

1 stop10h 13m

$598

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Tue 9/29

7:17 am-7:37 pm

1 stop11h 20m

San José Juan Santamaria Intl

Tue 10/6

7:55 am-11:00 pm

1 stop16h 05m

$598

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Wed 10/14

5:41 pm-2:00 pm

1 stop19h 19m

San José Juan Santamaria Intl

Mon 10/19

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

Tue 1/19

7:30 am-7:55 pm

1 stop10h 25m

San José Juan Santamaria Intl

Fri 1/29

6:30 am-8:04 pm

1 stop15h 34m

$598

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Tue 10/20

3:55 pm-12:00 pm

1 stop19h 05m

San José Juan Santamaria Intl

Sun 11/1

2:25 pm-10:03 am

1 stop21h 38m

$598

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Mon 10/19

3:55 pm-12:00 pm

1 stop19h 05m

San José Juan Santamaria Intl

Sat 10/31

1:25 pm-11:03 am

1 stop22h 38m

$598

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 $521 to $748.
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 $570.

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 $676 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 $606 on momondo.

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

You could potentially save up to 8% 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 September 2026, prices for Seattle to San José flights are approximately 11% 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

10h 57m

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 10h 57m
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 10h 57m.

  • 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
8,537 reviews
Search Delta flights
JetBluePriceFrom $362Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
American AirlinesPriceFrom $383Free CancellationRating
7.1
12,027 reviews
Search American Airlines flights
Air CanadaPriceFrom $384Free CancellationRating
7.1
11,566 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $387Free CancellationRating
7.9
12,864 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $389Free CancellationRating
7.4
10,151 reviews
Search United Airlines flights
SouthwestPriceFrom $516Free CancellationRating
8.0
4,195 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.

An easier way to manage your San José trip

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