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Cheap flights from Seattle to San José from $263

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
9:25 pm - 12:25 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 00m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
2:10 pm - 1:15 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 05m2 stops Houston Hobby Las Vegas Harry Reid Intl
$567Southwest
Fri, Nov 27 - Thu, Dec 17
Southwest Logo
9:25 pm - 12:25 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 00m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
2:10 pm - 1:15 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 05m2 stops Houston Hobby Las Vegas Harry Reid Intl
$567Southwest
Fri, Nov 27 - Thu, Dec 17
Multiple Airlines Logo
8:07 am - 2:15 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
28h 08m1 stop Miami
Multiple Airlines Logo
7:00 am - 10:20 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
17h 20m1 stop Miami
$591Multiple Airlines
Mon, Nov 2 - Sat, Dec 12
Multiple Airlines Logo
8:07 am - 2:15 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
28h 08m1 stop Miami
Multiple Airlines Logo
7:00 am - 10:20 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
17h 20m1 stop Miami
$591Multiple Airlines
Mon, Nov 2 - Mon, Dec 14
Alaska Airlines Logo
8:20 pm - 11:57 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
25h 37m2 stops Portland Los Angeles
Alaska Airlines Logo
1:45 am - 8:05 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
20h 20m1 stop Los Angeles
$616Alaska Airlines
Wed, Feb 17 - Wed, Feb 24
Alaska Airlines Logo
1:15 pm - 12:16 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
9h 01m1 stop Los Angeles
Alaska Airlines Logo
12:45 am - 2:42 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 57m1 stop Los Angeles
$620Alaska Airlines
Thu, Dec 31 - Tue, May 18
American Airlines Logo
5:10 am - 10:57 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 47m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 am - 5:04 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
18h 34m1 stop Dallas/Fort Worth
$621American Airlines
Sat, Feb 20 - Fri, Feb 26
American Airlines Logo
8:59 pm - 12:20 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 21m1 stop Miami
American Airlines Logo
6:00 am - 12:59 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
20h 59m1 stop Miami
$621American Airlines
Wed, Jan 27 - Thu, Feb 4
Delta Logo
6:00 am - 10:05 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
14h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:55 pm - 10:26 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
20h 31m1 stop Atlanta Hartsfield-Jackson
$621Delta
Mon, Jan 18 - Sat, Jan 30
Delta Logo
11:59 pm - 10:17 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
20h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:40 am - 8:42 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 02m1 stop Los Angeles
$621Delta
Sat, Dec 5 - Mon, Dec 21

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Southwest flights from Seattle to San José

Our best Southwest deals on Seattle to San José flight tickets
Southwest
Nov 27
SEA9:25 pmSeattle/Tacoma Intl
13h 00m
2 stops
SJO12:25 pmSan José Juan Santamaria Intl
Dec 17
SJO2:10 pmSan José Juan Santamaria Intl
13h 05m
2 stops
SEA1:15 amSeattle/Tacoma Intl
$567
Southwest
Oct 25
SEA5:15 amSeattle/Tacoma Intl
13h 25m
2 stops
SJO7:40 pmSan José Juan Santamaria Intl
Oct 29
SJO1:30 pmSan José Juan Santamaria Intl
12h 30m
2 stops
SEA1:00 amSeattle/Tacoma Intl
$606
Southwest
Oct 23
SEA3:55 pmSeattle/Tacoma Intl
19h 05m
2 stops
SJO12:00 pmSan José Juan Santamaria Intl
Oct 27
SJO1:00 pmSan José Juan Santamaria Intl
11h 55m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$667

Delta flights from Seattle to San José

Our best Delta deals on Seattle to San José flight tickets
Delta
Dec 5
SEA11:59 pmSeattle/Tacoma Intl
20h 18m
1 stop
SJO10:17 pmSan José Juan Santamaria Intl
Dec 22
SJO8:40 amSan José Juan Santamaria Intl
12h 13m
1 stop
SEA6:53 pmSeattle/Tacoma Intl
$621
Delta
Oct 24
SEA5:30 pmSeattle/Tacoma Intl
17h 30m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Oct 27
SJO1:25 pmSan José Juan Santamaria Intl
21h 38m
1 stop
SEA10:03 amSeattle/Tacoma Intl
$639
Delta
Oct 15
SEA3:55 pmSeattle/Tacoma Intl
19h 05m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Oct 20
SJO1:25 pmSan José Juan Santamaria Intl
11h 27m
1 stop
SEA11:52 pmSeattle/Tacoma Intl
$651

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 11/27

9:25 pm-12:25 pm

2 stops13h 00m

San José Juan Santamaria Intl

Thu 12/17

2:10 pm-1:15 am

2 stops13h 05m

$567

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 11/27

9:25 pm-12:25 pm

2 stops13h 00m

San José Juan Santamaria Intl

Thu 12/17

2:10 pm-1:15 am

2 stops13h 05m

$567

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Mon 11/2

8:07 am-2:15 pm

1 stop28h 08m

San José Juan Santamaria Intl

Sat 12/12

7:00 am-10:20 pm

1 stop17h 20m

$591

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Mon 11/2

8:07 am-2:15 pm

1 stop28h 08m

San José Juan Santamaria Intl

Mon 12/14

7:00 am-10:20 pm

1 stop17h 20m

$591

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Wed 2/17

8:20 pm-11:57 pm

2 stops25h 37m

San José Juan Santamaria Intl

Wed 2/24

1:45 am-8:05 pm

1 stop20h 20m

$616
Quickest round-trip

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Thu 12/31

1:15 pm-12:16 am

1 stop9h 01m

San José Juan Santamaria Intl

Tue 5/18

12:45 am-2:42 pm

1 stop14h 57m

$620

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 2/20

5:10 am-10:57 pm

1 stop15h 47m

San José Juan Santamaria Intl

Fri 2/26

12:30 am-5:04 pm

1 stop18h 34m

$621

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Wed 1/27

8:59 pm-12:20 pm

1 stop13h 21m

San José Juan Santamaria Intl

Thu 2/4

6:00 am-12:59 am

1 stop20h 59m

$621

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Mon 1/18

6:00 am-10:05 pm

1 stop14h 05m

San José Juan Santamaria Intl

Sat 1/30

3:55 pm-10:26 am

1 stop20h 31m

$621

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 12/5

11:59 pm-10:17 pm

1 stop20h 18m

San José Juan Santamaria Intl

Mon 12/21

8:40 am-8:42 pm

1 stop14h 02m

$621

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 $578 to $739.
The lowest price recently found on this route was $567.

What is the cheapest month to fly to San José?

In general, January 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 $576. If you don’t want to visit San José in January, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $610.

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 $699 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 $641 on momondo.

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

As of October 2026, prices for Seattle to San José flights are approximately 40% 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

$263

Fastest flight time

9h 16m

Direct flights

None
The best one-way flight to San José from Seattle in the past 72 hours is $263. The best round-trip flight deal from Seattle to San José found on momondo in the last 72 hours is $567.
The fastest flight from Seattle to San José takes 9h 16m
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 9h 16m.

  • 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
JetBluePriceFrom $362Free CancellationRating
7.1
3,051 reviews
Search JetBlue flights
Air CanadaPriceFrom $384Free CancellationRating
7.1
11,769 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $392Free CancellationRating
7.9
13,064 reviews
Search Alaska Airlines flights
DeltaPriceFrom $396Free CancellationRating
7.8
8,649 reviews
Search Delta flights
American AirlinesPriceFrom $411Free CancellationRating
7.0
12,164 reviews
Search American Airlines flights
United AirlinesPriceFrom $418Free CancellationRating
7.4
10,359 reviews
Search United Airlines flights
SouthwestPriceFrom $516Free CancellationRating
7.9
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
Heredia
Alajuela
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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