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Cheap flights from Seattle to San José from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San José departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:14 pm - 11:15 pm
SEA
-
SJO
25h 01m
2 stops
Multiple Airlines Logo
6:00 am - 6:51 pm
SJO
-
SEA
13h 51m
2 stops
$377Multiple Airlines
Mon, Mar 9 - Tue, Mar 24
Multiple Airlines Logo
9:14 am - 11:15 pm
SEA
-
SJO
13h 01m
2 stops
Multiple Airlines Logo
5:45 am - 5:57 pm
SJO
-
SEA
13h 12m
2 stops
$378Multiple Airlines
Tue, Aug 11 - Thu, Aug 20
Multiple Airlines Logo
7:06 pm - 8:45 am
SEA
-
SJO
12h 39m
2 stops
Multiple Airlines Logo
5:45 am - 7:53 pm
SJO
-
SEA
15h 08m
2 stops
$389Multiple Airlines
Fri, May 1 - Thu, May 7
Multiple Airlines Logo
7:06 pm - 8:45 am
SEA
-
SJO
12h 39m
2 stops
Multiple Airlines Logo
5:05 am - 5:38 pm
SJO
-
SEA
13h 33m
2 stops
$390Multiple Airlines
Fri, Apr 24 - Sun, May 10
Multiple Airlines Logo
6:10 am - 11:15 pm
SEA
-
SJO
15h 05m
2 stops
Multiple Airlines Logo
6:00 am - 7:58 pm
SJO
-
SEA
14h 58m
2 stops
$392Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
7:06 pm - 8:45 am
SEA
-
SJO
12h 39m
2 stops
Multiple Airlines Logo
5:45 am - 6:56 pm
SJO
-
SEA
14h 11m
2 stops
$395Multiple Airlines
Fri, May 8 - Sat, May 16
Multiple Airlines Logo
6:10 am - 11:15 pm
SEA
-
SJO
15h 05m
2 stops
Multiple Airlines Logo
6:00 am - 7:58 pm
SJO
-
SEA
14h 58m
2 stops
$403Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
Multiple Airlines Logo
7:06 pm - 8:45 am
SEA
-
SJO
12h 39m
2 stops
Multiple Airlines Logo
5:45 am - 6:40 pm
SJO
-
SEA
13h 55m
2 stops
$405Multiple Airlines
Fri, Apr 24 - Sat, May 2
Multiple Airlines Logo
7:06 pm - 8:45 am
SEA
-
SJO
12h 39m
2 stops
Multiple Airlines Logo
5:05 am - 5:38 pm
SJO
-
SEA
13h 33m
2 stops
$406Multiple Airlines
Fri, May 1 - Wed, May 6
Multiple Airlines Logo
1:50 pm - 8:30 am
SEA
-
SJO
17h 40m
2 stops
Multiple Airlines Logo
5:45 am - 9:07 pm
SJO
-
SEA
16h 22m
2 stops
$407Multiple Airlines
Fri, May 22 - Tue, Jun 2

American Airlines flights from Seattle to San José

Our best American Airlines deals on Seattle to San José flight tickets
American Airlines
Feb 22
SEA12:07 amSeattle/Tacoma Intl
18h 05m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
Feb 26
SJO12:35 amSan José Juan Santamaria Intl
20h 54m
1 stop
SEA7:29 pmSeattle/Tacoma Intl
$521
American Airlines
Feb 22
SEA12:07 amSeattle/Tacoma Intl
12h 46m
2 stops
SJO2:53 pmSan José Juan Santamaria Intl
Feb 26
SJO12:35 amSan José Juan Santamaria Intl
20h 54m
1 stop
SEA7:29 pmSeattle/Tacoma Intl
$526
American Airlines
Feb 27
SEA7:15 amSeattle/Tacoma Intl
10h 57m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
Mar 9
SJO11:35 pmSan José Juan Santamaria Intl
14h 25m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$529

Southwest flights from Seattle to San José

Our best Southwest deals on Seattle to San José flight tickets
Southwest
Apr 25
SEA2:15 pmSeattle/Tacoma Intl
21h 45m
2 stops
SJO1:00 pmSan José Juan Santamaria Intl
May 2
SJO12:25 pmSan José Juan Santamaria Intl
10h 45m
1 stop
SEA10:10 pmSeattle/Tacoma Intl
$416
Southwest
Feb 20
SEA5:00 amSeattle/Tacoma Intl
12h 30m
2 stops
SJO7:30 pmSan José Juan Santamaria Intl
Feb 26
SJO9:40 amSan José Juan Santamaria Intl
17h 15m
2 stops
SEA12:55 amSeattle/Tacoma Intl
$522

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to San José 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, momondo users made 832,500 searches. Data last updated February 17, 2026.
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

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 3/9

9:14 pm-11:15 pm

2 stops25h 01m

San José Juan Santamaria Intl

Tue 3/24

6:00 am-6:51 pm

2 stops13h 51m

$377

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 8/11

9:14 am-11:15 pm

2 stops13h 01m

San José Juan Santamaria Intl

Thu 8/20

5:45 am-5:57 pm

2 stops13h 12m

$378

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/1

7:06 pm-8:45 am

2 stops12h 39m

San José Juan Santamaria Intl

Thu 5/7

5:45 am-7:53 pm

2 stops15h 08m

$389

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 4/24

7:06 pm-8:45 am

2 stops12h 39m

San José Juan Santamaria Intl

Sun 5/10

5:05 am-5:38 pm

2 stops13h 33m

$390

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 3/3

6:10 am-11:15 pm

2 stops15h 05m

San José Juan Santamaria Intl

Tue 3/10

6:00 am-7:58 pm

2 stops14h 58m

$392

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/8

7:06 pm-8:45 am

2 stops12h 39m

San José Juan Santamaria Intl

Sat 5/16

5:45 am-6:56 pm

2 stops14h 11m

$395

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 3/3

6:10 am-11:15 pm

2 stops15h 05m

San José Juan Santamaria Intl

Tue 3/17

6:00 am-7:58 pm

2 stops14h 58m

$403

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 4/24

7:06 pm-8:45 am

2 stops12h 39m

San José Juan Santamaria Intl

Sat 5/2

5:45 am-6:40 pm

2 stops13h 55m

$405

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/1

7:06 pm-8:45 am

2 stops12h 39m

San José Juan Santamaria Intl

Wed 5/6

5:05 am-5:38 pm

2 stops13h 33m

$406

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/22

1:50 pm-8:30 am

2 stops17h 40m

San José Juan Santamaria Intl

Tue 6/2

5:45 am-9:07 pm

2 stops16h 22m

$407

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?

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 $489. If you don’t want to visit San José in October, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $500.

How far in advance should I book a flight 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 $612 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 $523 on momondo.

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

You could potentially save up to 9% 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 February 2026, prices for Seattle to San José flights are approximately 0% 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

Fastest flight time

10h 43m

Direct flights

None
The fastest flight from Seattle to San José takes 10h 43m
There are no direct flights from Seattle to San José. There are no popular flight routes from Seattle to San José.
Search flight deals

  • 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 43m.

  • 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
AviancaPriceFrom $152Free CancellationRating
6.6
2,497 reviews
Search Avianca flights
DeltaPriceFrom $280Free CancellationRating
7.9
8,205 reviews
Search Delta flights
American AirlinesPriceFrom $389Free CancellationRating
7.2
11,293 reviews
Search American Airlines flights
United AirlinesPriceFrom $397Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $404Free CancellationRating
8.0
11,891 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $572Free CancellationRating
8.0
4,290 reviews
Search Southwest flights
AeromexicoPriceFrom $809Free CancellationRating
7.4
1,575 reviews
Search Aeromexico 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
Dominical
San Gerardo de Dota
Santa Elena
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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