Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to San José from $186

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 5/12. 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

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.
Multiple Airlines Logo
7:00 am - 11:40 pm
SEA
-
SJO
15h 40m
2 stops
Multiple Airlines Logo
12:40 pm - 8:52 am
SJO
-
SEA
21h 12m
3 stops
$477Multiple Airlines
Sun, Oct 4 - Wed, Oct 14
Multiple Airlines Logo
6:00 am - 11:15 pm
SEA
-
SJO
16h 15m
2 stops
Multiple Airlines Logo
9:40 am - 8:57 am
SJO
-
SEA
24h 17m
2 stops
$479Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
6:50 am - 11:15 pm
SEA
-
SJO
15h 25m
2 stops
Multiple Airlines Logo
12:40 pm - 8:52 am
SJO
-
SEA
21h 12m
3 stops
$480Multiple Airlines
Tue, Sep 8 - Mon, Sep 14
Multiple Airlines Logo
11:06 am - 8:30 am
SEA
-
SJO
20h 24m
1 stop
Multiple Airlines Logo
5:45 am - 5:57 pm
SJO
-
SEA
13h 12m
2 stops
$487Multiple Airlines
Sun, Oct 4 - Wed, Oct 14
Multiple Airlines Logo
9:07 pm - 11:15 pm
SEA
-
SJO
25h 08m
2 stops
Multiple Airlines Logo
4:35 pm - 10:34 am
SJO
-
SEA
18h 59m
2 stops
$488Multiple Airlines
Mon, Aug 31 - Wed, Sep 9
Multiple Airlines Logo
11:52 pm - 12:50 pm
SEA
-
SJO
11h 58m
1 stop
Multiple Airlines Logo
12:40 pm - 10:00 am
SJO
-
SEA
22h 20m
3 stops
$492Multiple Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
7:40 am - 11:15 pm
SEA
-
SJO
14h 35m
2 stops
Multiple Airlines Logo
5:45 am - 6:56 pm
SJO
-
SEA
14h 11m
2 stops
$494Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
8:00 am - 11:15 pm
SEA
-
SJO
14h 15m
2 stops
Multiple Airlines Logo
12:40 pm - 8:57 am
SJO
-
SEA
21h 17m
3 stops
$495Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
7:40 am - 11:15 pm
SEA
-
SJO
14h 35m
1 stop
Multiple Airlines Logo
7:45 am - 9:49 pm
SJO
-
SEA
15h 04m
1 stop
$496Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
9:15 pm - 11:15 pm
SEA
-
SJO
25h 00m
2 stops
Multiple Airlines Logo
5:45 am - 6:56 pm
SJO
-
SEA
14h 11m
2 stops
$497Multiple Airlines
Fri, May 22 - Tue, Jun 2

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Seattle to San José

Our best American Airlines deals on Seattle to San José flight tickets
American Airlines
Jun 10
SEA11:43 amSeattle/Tacoma Intl
9h 59m
1 stop
SJO10:42 pmSan José Juan Santamaria Intl
Jun 17
SJO2:09 pmSan José Juan Santamaria Intl
11h 50m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$530
American Airlines
Apr 21
SEA10:16 pmSeattle/Tacoma Intl
13h 52m
1 stop
SJO1:08 pmSan José Juan Santamaria Intl
Apr 28
SJO2:08 pmSan José Juan Santamaria Intl
20h 27m
1 stop
SEA9:35 amSeattle/Tacoma Intl
$532
American Airlines
Apr 21
SEA10:29 pmSeattle/Tacoma Intl
13h 39m
2 stops
SJO1:08 pmSan José Juan Santamaria Intl
Apr 28
SJO2:08 pmSan José Juan Santamaria Intl
20h 27m
1 stop
SEA9:35 amSeattle/Tacoma Intl
$537

Southwest flights from Seattle to San José

Our best Southwest deals on Seattle to San José flight tickets
Southwest
May 6
SEA6:30 amSeattle/Tacoma Intl
11h 30m
2 stops
SJO7:00 pmSan José Juan Santamaria Intl
May 13
SJO9:00 amSan José Juan Santamaria Intl
16h 10m
2 stops
SEA12:10 amSeattle/Tacoma Intl
$512
Southwest
Apr 19
SEA4:45 pmSeattle/Tacoma Intl
18h 25m
2 stops
SJO12:10 pmSan José Juan Santamaria Intl
Apr 21
SJO9:00 amSan José Juan Santamaria Intl
14h 30m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$557
Southwest
Apr 26
SEA4:45 pmSeattle/Tacoma Intl
18h 25m
2 stops
SJO12:10 pmSan José Juan Santamaria Intl
May 2
SJO12:25 pmSan José Juan Santamaria Intl
10h 45m
1 stop
SEA10:10 pmSeattle/Tacoma Intl
$567

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 April 18, 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

Cheapest round-trip

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 10/4

7:00 am-11:40 pm

2 stops15h 40m

San José Juan Santamaria Intl

Wed 10/14

12:40 pm-8:52 am

3 stops21h 12m

$477

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 5/14

6:00 am-11:15 pm

2 stops16h 15m

San José Juan Santamaria Intl

Thu 5/21

9:40 am-8:57 am

2 stops24h 17m

$479

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 9/8

6:50 am-11:15 pm

2 stops15h 25m

San José Juan Santamaria Intl

Mon 9/14

12:40 pm-8:52 am

3 stops21h 12m

$480

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 10/4

11:06 am-8:30 am

1 stop20h 24m

San José Juan Santamaria Intl

Wed 10/14

5:45 am-5:57 pm

2 stops13h 12m

$487

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 8/31

9:07 pm-11:15 pm

2 stops25h 08m

San José Juan Santamaria Intl

Wed 9/9

4:35 pm-10:34 am

2 stops18h 59m

$488

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 5/28

11:52 pm-12:50 pm

1 stop11h 58m

San José Juan Santamaria Intl

Mon 6/1

12:40 pm-10:00 am

3 stops22h 20m

$492
Quickest round-trip

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 5/12

7:40 am-11:15 pm

2 stops14h 35m

San José Juan Santamaria Intl

Tue 5/19

5:45 am-6:56 pm

2 stops14h 11m

$494

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 5/14

8:00 am-11:15 pm

2 stops14h 15m

San José Juan Santamaria Intl

Thu 5/21

12:40 pm-8:57 am

3 stops21h 17m

$495

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 5/12

7:40 am-11:15 pm

1 stop14h 35m

San José Juan Santamaria Intl

Tue 5/19

7:45 am-9:49 pm

1 stop15h 04m

$496

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/22

9:15 pm-11:15 pm

2 stops25h 00m

San José Juan Santamaria Intl

Tue 6/2

5:45 am-6:56 pm

2 stops14h 11m

$497

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $502.

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 $623 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 $538 on momondo.

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

You could potentially save up to 32% 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 April 2026, prices for Seattle to San José flights are approximately 24% 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

11h 58m

Direct flights

None
The fastest flight from Seattle to San José takes 11h 58m
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 11h 58m.

  • 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
6.5
2,513 reviews
Search Avianca flights
DeltaPriceFrom $345Free CancellationRating
7.9
8,423 reviews
Search Delta flights
JetBluePriceFrom $362Free CancellationRating
7.2
2,945 reviews
Search JetBlue flights
American AirlinesPriceFrom $385Free CancellationRating
7.1
11,611 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $386Free CancellationRating
7.9
12,260 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $397Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
SouthwestPriceFrom $568Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
AeromexicoPriceFrom $766Free CancellationRating
7.4
1,543 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
Santa Elena
Dominical
San Gerardo de Dota
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/18
Mon 5/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica