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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
1 adult, Economy, 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
6:50 am - 11:15 pm
SEA
-
SJO
15h 25m
2 stops
Multiple Airlines Logo
4:35 pm - 10:34 am
SJO
-
SEA
18h 59m
2 stops
$460Multiple Airlines
Thu, Sep 17 - Fri, Sep 25
Multiple Airlines Logo
9:42 am - 11:15 pm
SEA
-
SJO
12h 33m
2 stops
Multiple Airlines Logo
12:40 pm - 11:55 am
SJO
-
SEA
24h 15m
3 stops
$463Multiple Airlines
Thu, Sep 17 - Fri, Sep 25
Multiple Airlines Logo
9:00 am - 11:15 pm
SEA
-
SJO
13h 15m
2 stops
Multiple Airlines Logo
5:45 am - 6:40 pm
SJO
-
SEA
13h 55m
2 stops
$466Multiple Airlines
Sat, May 9 - Tue, May 12
Multiple Airlines Logo
9:42 am - 11:15 pm
SEA
-
SJO
12h 33m
1 stop
Multiple Airlines Logo
4:35 pm - 10:34 am
SJO
-
SEA
18h 59m
1 stop
$467Multiple Airlines
Thu, Sep 17 - Fri, Sep 25
Multiple Airlines Logo
6:25 am - 11:15 pm
SEA
-
SJO
15h 50m
2 stops
Multiple Airlines Logo
4:35 pm - 11:39 pm
SJO
-
SEA
32h 04m
2 stops
$469Multiple Airlines
Tue, May 5 - Wed, May 20
Multiple Airlines Logo
9:07 pm - 11:15 pm
SEA
-
SJO
25h 08m
2 stops
Multiple Airlines Logo
5:45 am - 5:57 pm
SJO
-
SEA
13h 12m
2 stops
$472Multiple Airlines
Mon, Aug 24 - Tue, Sep 1
Multiple Airlines Logo
9:00 am - 11:15 pm
SEA
-
SJO
13h 15m
2 stops
Multiple Airlines Logo
5:45 am - 6:40 pm
SJO
-
SEA
13h 55m
2 stops
$473Multiple Airlines
Thu, May 7 - Tue, May 12
Multiple Airlines Logo
9:15 pm - 11:15 pm
SEA
-
SJO
25h 00m
2 stops
Multiple Airlines Logo
4:35 pm - 10:15 am
SJO
-
SEA
18h 40m
2 stops
$474Multiple Airlines
Fri, Aug 14 - Wed, Aug 19
Multiple Airlines Logo
7:40 am - 11:15 pm
SEA
-
SJO
14h 35m
2 stops
Multiple Airlines Logo
5:45 am - 8:50 pm
SJO
-
SEA
16h 05m
2 stops
$481Multiple Airlines
Tue, Apr 28 - Tue, May 12
Multiple Airlines Logo
9:32 am - 11:40 pm
SEA
-
SJO
13h 08m
2 stops
Multiple Airlines Logo
3:10 pm - 3:47 pm
SJO
-
SEA
25h 37m
2 stops
$484Multiple Airlines
Fri, Aug 21 - Fri, Sep 4

Southwest flights from Seattle to San José

Our best Southwest deals on Seattle to San José flight tickets
Southwest
Apr 20
SEA5:30 amSeattle/Tacoma Intl
12h 30m
2 stops
SJO7:00 pmSan José Juan Santamaria Intl
Aug 18
SJO9:00 amSan José Juan Santamaria Intl
15h 05m
2 stops
SEA11:05 pmSeattle/Tacoma Intl
$516
Southwest
Apr 14
SEA2:20 pmSeattle/Tacoma Intl
20h 50m
2 stops
SJO12:10 pmSan José Juan Santamaria Intl
May 3
SJO9:00 amSan José Juan Santamaria Intl
15h 00m
2 stops
SEA11:00 pmSeattle/Tacoma Intl
$631
Southwest
Apr 8
SEA1:25 pmSeattle/Tacoma Intl
21h 45m
2 stops
SJO12:10 pmSan José Juan Santamaria Intl
Apr 15
SJO9:00 amSan José Juan Santamaria Intl
16h 10m
2 stops
SEA12:10 amSeattle/Tacoma Intl
$651

Alaska Airlines flights from Seattle to San José

Our best Alaska Airlines deals on Seattle to San José flight tickets
Alaska Airlines
Apr 28
SEA10:50 pmSeattle/Tacoma Intl
23h 55m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
Jun 1
SJO12:53 amSan José Juan Santamaria Intl
21h 14m
1 stop
SEA9:07 pmSeattle/Tacoma Intl
$529
Alaska Airlines
Jun 1
SEA8:00 amSeattle/Tacoma Intl
14h 33m
1 stop
SJO11:33 pmSan José Juan Santamaria Intl
Jun 2
SJO12:53 amSan José Juan Santamaria Intl
12h 08m
1 stop
SEA12:01 pmSeattle/Tacoma Intl
$530
Alaska Airlines
May 1
SEA8:45 pmSeattle/Tacoma Intl
26h 00m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
Jun 1
SJO12:53 amSan José Juan Santamaria Intl
15h 35m
1 stop
SEA3:28 pmSeattle/Tacoma Intl
$538

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 March 31, 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

Thu 9/17

6:50 am-11:15 pm

2 stops15h 25m

San José Juan Santamaria Intl

Fri 9/25

4:35 pm-10:34 am

2 stops18h 59m

$460

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 9/17

9:42 am-11:15 pm

2 stops12h 33m

San José Juan Santamaria Intl

Fri 9/25

12:40 pm-11:55 am

3 stops24h 15m

$463
Quickest round-trip

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sat 5/9

9:00 am-11:15 pm

2 stops13h 15m

San José Juan Santamaria Intl

Tue 5/12

5:45 am-6:40 pm

2 stops13h 55m

$466

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 9/17

9:42 am-11:15 pm

1 stop12h 33m

San José Juan Santamaria Intl

Fri 9/25

4:35 pm-10:34 am

1 stop18h 59m

$467

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 5/5

6:25 am-11:15 pm

2 stops15h 50m

San José Juan Santamaria Intl

Wed 5/20

4:35 pm-11:39 pm

2 stops32h 04m

$469

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 8/24

9:07 pm-11:15 pm

2 stops25h 08m

San José Juan Santamaria Intl

Tue 9/1

5:45 am-5:57 pm

2 stops13h 12m

$472

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 5/7

9:00 am-11:15 pm

2 stops13h 15m

San José Juan Santamaria Intl

Tue 5/12

5:45 am-6:40 pm

2 stops13h 55m

$473

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 8/14

9:15 pm-11:15 pm

2 stops25h 00m

San José Juan Santamaria Intl

Wed 8/19

4:35 pm-10:15 am

2 stops18h 40m

$474

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/28

7:40 am-11:15 pm

2 stops14h 35m

San José Juan Santamaria Intl

Tue 5/12

5:45 am-8:50 pm

2 stops16h 05m

$481

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 8/21

9:32 am-11:40 pm

2 stops13h 08m

San José Juan Santamaria Intl

Fri 9/4

3:10 pm-3:47 pm

2 stops25h 37m

$484

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 $494.

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 $611 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 $534 on momondo.

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

You could potentially save up to 31% 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 March 2026, prices for Seattle to San José flights are approximately 30% cheaper 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 50m

Direct flights

None
The fastest flight from Seattle to San José takes 10h 50m
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 50m.

  • 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
2,505 reviews
Search Avianca flights
JetBluePriceFrom $362Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
DeltaPriceFrom $369Free CancellationRating
7.9
8,366 reviews
Search Delta flights
Alaska AirlinesPriceFrom $386Free CancellationRating
7.9
12,143 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $386Free CancellationRating
7.1
11,545 reviews
Search American Airlines flights
United AirlinesPriceFrom $398Free CancellationRating
7.4
9,528 reviews
Search United Airlines flights
SouthwestPriceFrom $568Free CancellationRating
8.0
4,334 reviews
Search Southwest flights
AeromexicoPriceFrom $766Free CancellationRating
7.4
1,555 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

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