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Cheap flights from Seattle to San José from $143

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 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to San José

Cheap round-trip flights

 Logo
4:20 pm - 7:40 amSEA-SJO
14h 20m2 stops
 Logo
4:20 pm - 11:38 amSJO-SEA
20h 18m2 stops
Tue, Oct 7 - Mon, Oct 20
 Logo
4:20 pm - 7:40 amSEA-SJO
14h 20m2 stops
 Logo
4:20 pm - 9:40 amSJO-SEA
18h 20m2 stops
Tue, Sep 23 - Mon, Sep 29
 Logo
8:00 am - 3:45 amSEA-SJO
17h 45m1 stop
 Logo
5:00 pm - 9:45 amSJO-SEA
18h 45m1 stop
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
9:10 pm - 12:45 pmSEA-SJO
14h 35m2 stops
Southwest Logo
12:00 pm - 12:05 amSJO-SEA
13h 05m1 stop
$381Southwest
Find Deal
Tue, Jul 22 - Sat, Jul 26
American Airlines Logo
5:26 am - 5:57 pmSEA-SJO
11h 31m1 stop
American Airlines Logo
7:27 am - 7:09 pmSJO-SEA
12h 42m1 stop
$406American Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
American Airlines Logo
5:26 am - 7:42 pmSEA-SJO
13h 16m2 stops
American Airlines Logo
7:27 am - 9:08 pmSJO-SEA
14h 41m2 stops
$410American Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
Southwest Logo
5:15 am - 6:55 pmSEA-SJO
12h 40m2 stops
Southwest Logo
8:50 am - 11:35 pmSJO-SEA
15h 45m2 stops
$426Southwest
Find Deal
Tue, Sep 23 - Wed, Sep 24
Alaska Airlines Logo
7:00 am - 11:30 pmSEA-SJO
15h 30m2 stops
Alaska Airlines Logo
2:26 am - 7:10 pmSJO-SEA
18h 44m2 stops
$435Alaska Airlines
Find Deal
Sun, Aug 17 - Fri, Dec 5
Alaska Airlines Logo
5:59 pm - 7:00 pmSEA-SJO
24h 01m2 stops
Alaska Airlines Logo
1:11 am - 2:40 pmSJO-SEA
14h 29m1 stop
$449Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 27
United Airlines Logo
7:28 pm - 10:25 amSEA-SJO
13h 57m2 stops
United Airlines Logo
2:20 pm - 10:53 pmSJO-SEA
10h 33m1 stop
$490United Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 4

Southwest flights from Seattle to San José, San José Province

Our best Southwest deals on Seattle to San José, San José Province flight tickets
Southwest
Jul 22
SEA9:10 pmSeattle/Tacoma Intl
14h 35m
2 stops
SJO12:45 pmSan José Juan Santamaria Intl
Jul 26
SJO12:00 pmSan José Juan Santamaria Intl
13h 05m
1 stop
SEA12:05 amSeattle/Tacoma Intl
Southwest
Sep 23
SEA5:15 amSeattle/Tacoma Intl
12h 40m
2 stops
SJO6:55 pmSan José Juan Santamaria Intl
Sep 24
SJO8:50 amSan José Juan Santamaria Intl
15h 45m
2 stops
SEA11:35 pmSeattle/Tacoma Intl
Southwest
Oct 27
SEA3:50 pmSeattle/Tacoma Intl
19h 15m
2 stops
SJO12:05 pmSan José Juan Santamaria Intl
Nov 4
SJO9:00 amSan José Juan Santamaria Intl
15h 55m
2 stops
SEA10:55 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to San José, San José Province

Our best American Airlines deals on Seattle to San José, San José Province flight tickets
American Airlines
Sep 3
SEA5:26 amSeattle/Tacoma Intl
11h 31m
1 stop
SJO5:57 pmSan José Juan Santamaria Intl
Sep 9
SJO7:27 amSan José Juan Santamaria Intl
12h 42m
1 stop
SEA7:09 pmSeattle/Tacoma Intl
American Airlines
Sep 3
SEA5:26 amSeattle/Tacoma Intl
13h 16m
2 stops
SJO7:42 pmSan José Juan Santamaria Intl
Sep 9
SJO7:27 amSan José Juan Santamaria Intl
14h 41m
2 stops
SEA9:08 pmSeattle/Tacoma Intl
American Airlines
Sep 12
SEA5:26 amSeattle/Tacoma Intl
11h 31m
1 stop
SJO5:57 pmSan José Juan Santamaria Intl
Sep 26
SJO7:27 amSan José Juan Santamaria Intl
14h 56m
1 stop
SEA9:23 pmSeattle/Tacoma Intl

See travel insights to San José from

How to get the cheapest flight ticket from Seattle to San José, San José Province

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 cheapest month to fly to San José, San José Province?

The month of May is, on average, the cheapest month to fly to San José, San José Province from Seattle, with most prices found around $547. If you’re not able to fly to San José, San José Province in May, then October is your next best option. Flight prices from Seattle to San José, San José Province during October average around $588.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from Seattle to San José, San José Province is on a Tuesday when prices can be found for as low as $576. The most expensive day to fly to San José, San José Province is Friday, with ticket prices averaging around $782.

What is the cheapest time of day to depart on your flight to San José, San José Province?

At noon is the cheapest time of day to fly from Seattle to San José, San José Province when you can find flight prices for as low as $658. Flying to San José, San José Province at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $693 per ticket.

How far in advance should I book a flight to San José, San José Province?

You are more likely to see cheaper flights to San José, San José Province from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $663 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Seattle for as low as $561 on momondo.

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

You could potentially save up to 9% on your flight if you consider stops on a Seattle to San José, San José Province flight.

How have Seattle to San José, San José Province flight prices changed over time?

As of July 2025, prices for Seattle to San José, San José Province flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to San José, San José Province

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San José, San José Province according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to San José, San José Province (SEA to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San José, San José Province

Best Price Found

$143

Fastest flight time

10h 41m

Direct flights

None

Airports in San José, San José Province

1 airport
The best one-way flight to San José, San José Province from Seattle in the past 72 hours is $143. The best round-trip flight deal from Seattle to San José, San José Province found on momondo in the last 72 hours is $351.
The fastest flight from Seattle to San José, San José Province takes 10h 41m
There are no direct flights from Seattle to San José, San José Province. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - San José Juan Santamaria Intl Airport.
There is 1 airport near San José, San José Province: San José Juan Santamaria Intl (SJO)

  • 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 00m.

  • 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, San José Province?


Best airlines flying from Seattle to San José, San José Province

Compare and see reviews for airlines that fly from Seattle to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $152Free CancellationRating
6.7
2,363 reviews
Search Avianca flights
Spirit AirlinesPriceFrom $308Free CancellationRating
6.3
8,094 reviews
Search Spirit Airlines flights
DeltaPriceFrom $394Free CancellationRating
8.0
7,983 reviews
Search Delta flights
Alaska AirlinesPriceFrom $446Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $455Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $489Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
SouthwestPriceFrom $521Free CancellationRating
8.0
4,270 reviews
Search Southwest flights
Copa AirlinesPriceFrom $634Free CancellationRating
7.5
1,467 reviews
Search Copa Airlines flights
AeromexicoPriceFrom $734Free CancellationRating
7.5
1,718 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
Alajuela
Monteverde
Heredia
Dominical
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.


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1 adult
Tue 7/8
Tue 7/15

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