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Cheap flights from Seattle to San José from $258

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
11:30 am - 12:50 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
23h 20m2 stops Phoenix Sky Harbor Intl Denver Intl
Southwest Logo
1:05 pm - 12:55 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 50m2 stops Houston Hobby Phoenix Sky Harbor Intl
$571Southwest
Fri, Feb 19 - Fri, Feb 26
Southwest Logo
6:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
23h 25m2 stops Phoenix Sky Harbor Intl Houston Hobby
Southwest Logo
1:10 pm - 1:15 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 05m2 stops Houston Hobby Phoenix Sky Harbor Intl
$586Southwest
Thu, Apr 15 - Fri, Apr 23
Alaska Airlines Logo
9:50 pm - 11:57 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
24h 07m2 stops Portland Los Angeles
Alaska Airlines Logo
1:45 am - 7:02 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
19h 17m1 stop Los Angeles
$606Alaska Airlines
Fri, Feb 19 - Thu, Feb 25
Multiple Airlines Logo
8:13 am - 2:15 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
28h 02m1 stop Miami
Multiple Airlines Logo
7:00 am - 9:56 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 56m1 stop Miami
$609Multiple Airlines
Thu, Jan 28 - Sat, Feb 13
Multiple Airlines Logo
8:13 am - 2:15 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
28h 02m1 stop Miami
Multiple Airlines Logo
7:00 am - 9:56 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 56m1 stop Miami
$609Multiple Airlines
Sat, Feb 6 - Sat, Feb 13
United Airlines Logo
5:44 pm - 8:32 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 48m1 stop San Francisco
United Airlines Logo
6:40 am - 4:18 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 38m1 stop Los Angeles
$611United Airlines
Fri, Jan 29 - Sun, Feb 7
United Airlines Logo
5:30 pm - 8:32 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 02m1 stop San Francisco
United Airlines Logo
12:35 pm - 10:59 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 24m1 stop Houston George Bush Intcntl
$611United Airlines
Fri, Feb 19 - Fri, Feb 26
American Airlines Logo
5:10 am - 10:59 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
15h 49m1 stop Dallas/Fort Worth
American Airlines Logo
12:25 am - 3:01 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 36m1 stop Dallas/Fort Worth
$611American Airlines
Fri, Feb 19 - Thu, Feb 25
American Airlines Logo
7:20 am - 7:54 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
10h 34m1 stop Dallas/Fort Worth
American Airlines Logo
6:30 am - 3:41 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 11m1 stop Dallas/Fort Worth
$611American Airlines
Wed, Jan 27 - Thu, Feb 4
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 - 3:00 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 15m2 stops Los Angeles Portland
$611Alaska Airlines
Fri, Feb 19 - Thu, Feb 25

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American Airlines flights from Seattle to San José

Our best American Airlines deals on Seattle to San José flight tickets
American Airlines
Dec 30
SEA5:55 pmSeattle/Tacoma Intl
18h 01m
1 stop
SJO1:56 pmSan José Juan Santamaria Intl
Jan 15
SJO6:00 amSan José Juan Santamaria Intl
20h 59m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$611
American Airlines
Jan 19
SEA6:19 pmSeattle/Tacoma Intl
17h 41m
2 stops
SJO2:00 pmSan José Juan Santamaria Intl
Jan 29
SJO6:30 amSan José Juan Santamaria Intl
18h 05m
1 stop
SEA10:35 pmSeattle/Tacoma Intl
$615
American Airlines
Jan 21
SEA5:47 pmSeattle/Tacoma Intl
18h 04m
1 stop
SJO1:51 pmSan José Juan Santamaria Intl
Jan 31
SJO6:30 amSan José Juan Santamaria Intl
15h 32m
1 stop
SEA8:02 pmSeattle/Tacoma Intl
$616

Southwest flights from Seattle to San José

Our best Southwest deals on Seattle to San José flight tickets
Southwest
Feb 19
SEA11:30 amSeattle/Tacoma Intl
23h 20m
2 stops
SJO12:50 pmSan José Juan Santamaria Intl
Feb 26
SJO1:05 pmSan José Juan Santamaria Intl
13h 50m
2 stops
SEA12:55 amSeattle/Tacoma Intl
$571
Southwest
Apr 15
SEA6:35 pmSeattle/Tacoma Intl
23h 25m
2 stops
SJO7:00 pmSan José Juan Santamaria Intl
Apr 23
SJO1:10 pmSan José Juan Santamaria Intl
13h 05m
2 stops
SEA1:15 amSeattle/Tacoma Intl
$586
Southwest
Feb 18
SEA6:50 pmSeattle/Tacoma Intl
16h 55m
2 stops
SJO1:45 pmSan José Juan Santamaria Intl
Mar 5
SJO2:45 pmSan José Juan Santamaria Intl
21h 25m
2 stops
SEA10:10 amSeattle/Tacoma Intl
$587

momondo Fare Finder

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

Fly from

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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

Fri 2/19

11:30 am-12:50 pm

2 stops23h 20m

San José Juan Santamaria Intl

Fri 2/26

1:05 pm-12:55 am

2 stops13h 50m

$571

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Thu 4/15

6:35 pm-7:00 pm

2 stops23h 25m

San José Juan Santamaria Intl

Fri 4/23

1:10 pm-1:15 am

2 stops13h 05m

$586

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 2/19

9:50 pm-11:57 pm

2 stops24h 07m

San José Juan Santamaria Intl

Thu 2/25

1:45 am-7:02 pm

1 stop19h 17m

$606

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Thu 1/28

8:13 am-2:15 pm

1 stop28h 02m

San José Juan Santamaria Intl

Sat 2/13

7:00 am-9:56 pm

1 stop16h 56m

$609

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Sat 2/6

8:13 am-2:15 pm

1 stop28h 02m

San José Juan Santamaria Intl

Sat 2/13

7:00 am-9:56 pm

1 stop16h 56m

$609

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 1/29

5:44 pm-8:32 am

1 stop12h 48m

San José Juan Santamaria Intl

Sun 2/7

6:40 am-4:18 pm

1 stop11h 38m

$611

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 2/19

5:30 pm-8:32 am

1 stop13h 02m

San José Juan Santamaria Intl

Fri 2/26

12:35 pm-10:59 pm

1 stop12h 24m

$611

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 2/19

5:10 am-10:59 pm

1 stop15h 49m

San José Juan Santamaria Intl

Thu 2/25

12:25 am-3:01 pm

1 stop16h 36m

$611
Quickest round-trip

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Wed 1/27

7:20 am-7:54 pm

1 stop10h 34m

San José Juan Santamaria Intl

Thu 2/4

6:30 am-3:41 pm

1 stop11h 11m

$611

SeattleSan José

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

SEASJO

Seattle/Tacoma Intl

Fri 2/19

8:20 pm-11:57 pm

2 stops25h 37m

San José Juan Santamaria Intl

Thu 2/25

1:45 am-3:00 pm

2 stops15h 15m

$611

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 typical for flights on this route.

Typical prices usually range from $558 to $779.
The lowest price recently found on this route was $571.

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 $601. If you don’t want to visit San José in January, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $652.

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 $710 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 $661 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

$258

Fastest flight time

12h 38m

Direct flights

None
The best one-way flight to San José from Seattle in the past 72 hours is $258. The best round-trip flight deal from Seattle to San José found on momondo in the last 72 hours is $571.
The fastest flight from Seattle to San José takes 12h 38m
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 38m.

  • 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
3,066 reviews
Search JetBlue flights
Air CanadaPriceFrom $384Free CancellationRating
7.1
11,819 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $392Free CancellationRating
7.9
13,121 reviews
Search Alaska Airlines flights
DeltaPriceFrom $396Free CancellationRating
7.8
8,681 reviews
Search Delta flights
United AirlinesPriceFrom $415Free CancellationRating
7.3
10,441 reviews
Search United Airlines flights
American AirlinesPriceFrom $416Free CancellationRating
7.0
12,189 reviews
Search American Airlines flights
SouthwestPriceFrom $506Free CancellationRating
7.9
4,218 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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