Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to San José from $249

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.
Multiple Airlines Logo
9:28 am - 8:30 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
22h 02m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
4:15 pm - 8:00 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
28h 45m1 stop New York John F Kennedy Intl
$537Multiple Airlines
Wed, Oct 21 - Sun, Oct 25
Southwest Logo
9:25 pm - 12:20 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 55m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
2:10 pm - 8:25 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
20h 15m2 stops Houston Hobby Denver Intl
$545Southwest
Sun, Nov 1 - Thu, Nov 12
Southwest Logo
3:10 pm - 1:45 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
20h 35m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
12:30 pm - 9:50 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 20m1 stop Denver Intl
$547Southwest
Sat, Feb 20 - Sat, Feb 27
Multiple Airlines Logo
11:15 pm - 8:30 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
32h 15m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
7:45 am - 9:59 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 14m1 stop Miami
$549Multiple Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
5:30 pm - 12:00 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
17h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:25 pm - 10:03 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 38m1 stop Atlanta Hartsfield-Jackson
$591Delta
Sat, Oct 24 - Mon, Oct 26
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 - 10:03 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 38m1 stop Atlanta Hartsfield-Jackson
$591Delta
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
7:25 pm - 7:15 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
10h 50m1 stop San Francisco
United Airlines Logo
8:40 am - 6:33 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
10h 53m1 stop San Francisco
$600United Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
12:32 am - 1:46 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 14m1 stop Dallas/Fort Worth
American Airlines Logo
12:35 am - 9:42 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 07m1 stop Dallas/Fort Worth
$600American Airlines
Mon, Mar 1 - Sun, Mar 7
American Airlines Logo
3:49 pm - 1:46 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 57m1 stop Dallas/Fort Worth
American Airlines Logo
12:35 am - 9:42 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 07m1 stop Dallas/Fort Worth
$600American Airlines
Sat, Feb 20 - Fri, Feb 26
United Airlines Logo
7:32 pm - 8:32 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 00m1 stop San Francisco
United Airlines Logo
1:15 am - 1:20 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 05m2 stops Houston George Bush Intcntl Denver Intl
$605United Airlines
Sat, Jan 23 - Thu, Jan 28

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

United Airlines flights from Seattle to San José

Our best United Airlines deals on Seattle to San José flight tickets
United Airlines
Nov 9
SEA7:35 pmSeattle/Tacoma Intl
10h 57m
1 stop
SJO8:32 amSan José Juan Santamaria Intl
Nov 16
SJO12:35 pmSan José Juan Santamaria Intl
12h 16m
1 stop
SEA10:51 pmSeattle/Tacoma Intl
$618
United Airlines
Sep 20
SEA7:35 pmSeattle/Tacoma Intl
10h 40m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Sep 27
SJO8:45 amSan José Juan Santamaria Intl
13h 16m
1 stop
SEA9:01 pmSeattle/Tacoma Intl
$629
United Airlines
Sep 29
SEA5:05 pmSeattle/Tacoma Intl
18h 16m
1 stop
SJO12:21 pmSan José Juan Santamaria Intl
Oct 9
SJO8:45 amSan José Juan Santamaria Intl
15h 41m
1 stop
SEA11:26 pmSeattle/Tacoma Intl
$738

American Airlines flights from Seattle to San José

Our best American Airlines deals on Seattle to San José flight tickets
American Airlines
Nov 10
SEA11:34 pmSeattle/Tacoma Intl
13h 15m
2 stops
SJO2:49 pmSan José Juan Santamaria Intl
Nov 18
SJO3:54 pmSan José Juan Santamaria Intl
19h 49m
2 stops
SEA9:43 amSeattle/Tacoma Intl
$605
American Airlines
Sep 25
SEA5:34 pmSeattle/Tacoma Intl
19h 23m
1 stop
SJO1:57 pmSan José Juan Santamaria Intl
Oct 7
SJO6:00 amSan José Juan Santamaria Intl
18h 59m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
$618
American Airlines
Oct 16
SEA5:41 pmSeattle/Tacoma Intl
19h 19m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Oct 22
SJO1:00 pmSan José Juan Santamaria Intl
12h 10m
1 stop
SEA12:10 amSeattle/Tacoma Intl
$620

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

Wed 10/21

9:28 am-8:30 am

1 stop22h 02m

San José Juan Santamaria Intl

Sun 10/25

4:15 pm-8:00 pm

1 stop28h 45m

$537

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sun 11/1

9:25 pm-12:20 pm

2 stops12h 55m

San José Juan Santamaria Intl

Thu 11/12

2:10 pm-8:25 am

2 stops20h 15m

$545

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 2/20

3:10 pm-1:45 pm

2 stops20h 35m

San José Juan Santamaria Intl

Sat 2/27

12:30 pm-9:50 pm

1 stop11h 20m

$547

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 9/26

11:15 pm-8:30 am

1 stop32h 15m

San José Juan Santamaria Intl

Sat 10/3

7:45 am-9:59 pm

1 stop15h 14m

$549

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 10/24

5:30 pm-12:00 pm

1 stop17h 30m

San José Juan Santamaria Intl

Mon 10/26

1:25 pm-10:03 am

1 stop21h 38m

$591

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 10/23

3:55 pm-12:00 pm

1 stop19h 05m

San José Juan Santamaria Intl

Mon 10/26

1:25 pm-10:03 am

1 stop21h 38m

$591
Quickest round-trip

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Thu 10/22

7:25 pm-7:15 am

1 stop10h 50m

San José Juan Santamaria Intl

Sun 10/25

8:40 am-6:33 pm

1 stop10h 53m

$600

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Mon 3/1

12:32 am-1:46 pm

1 stop11h 14m

San José Juan Santamaria Intl

Sun 3/7

12:35 am-9:42 am

1 stop11h 07m

$600

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 2/20

3:49 pm-1:46 pm

1 stop19h 57m

San José Juan Santamaria Intl

Fri 2/26

12:35 am-9:42 am

1 stop11h 07m

$600

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 1/23

7:32 pm-8:32 am

1 stop11h 00m

San José Juan Santamaria Intl

Thu 1/28

1:15 am-1:20 pm

2 stops14h 05m

$605

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?

Prices are currently low for flights on this route.

Typical prices usually range from $578 to $748.
The lowest price recently found on this route was $537.

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 $573.

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 $681 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 $632 on momondo.

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

You could potentially save up to 5% 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

$249

Fastest flight time

12h 18m

Direct flights

None
The best one-way flight to San José from Seattle in the past 72 hours is $249. The best round-trip flight deal from Seattle to San José found on momondo in the last 72 hours is $537.
The fastest flight from Seattle to San José takes 12h 18m
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 18m.

  • 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
3,035 reviews
Search JetBlue flights
DeltaPriceFrom $369Free CancellationRating
7.8
8,572 reviews
Search Delta flights
Air CanadaPriceFrom $384Free CancellationRating
7.1
11,639 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $387Free CancellationRating
7.9
12,933 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $392Free CancellationRating
7.4
10,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $400Free CancellationRating
7.1
12,066 reviews
Search American Airlines flights
SouthwestPriceFrom $516Free CancellationRating
8.0
4,187 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

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
Sat 10/17
Sat 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica