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Cheap flights from San Jose to San Juan from $253

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose to San Juan departing on 9/6. 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 San Jose to San Juan (SJC-SJU)

Cheap round-trip flights

Delta Logo
2:21 pm - 11:56 amSJC-SJU
18h 35m2 stops
Delta Logo
2:31 pm - 10:17 pmSJU-SJC
10h 46m1 stop
$255Delta
Find Deal
Mon, Oct 20 - Sat, Oct 25
Delta Logo
6:35 am - 10:00 pmSJC-SJU
12h 25m1 stop
Delta Logo
7:30 am - 8:44 pmSJU-SJC
16h 14m2 stops
$292Delta
Find Deal
Sat, Sep 27 - Sat, Oct 4
United Airlines Logo
6:30 am - 11:57 pmSJC-SJU
14h 27m2 stops
United Airlines Logo
1:05 am - 1:40 pmSJU-SJC
15h 35m2 stops
$311United Airlines
Find Deal
Tue, Sep 16 - Fri, Sep 26
United Airlines Logo
6:30 am - 11:57 pmSJC-SJU
14h 27m2 stops
United Airlines Logo
1:05 am - 1:40 pmSJU-SJC
15h 35m2 stops
$312United Airlines
Find Deal
Sat, Sep 27 - Fri, Oct 3
Southwest Logo
8:55 pm - 12:45 pmSJC-SJU
12h 50m1 stop
Southwest Logo
5:50 am - 3:50 pmSJU-SJC
13h 00m1 stop
$359Southwest
Find Deal
Tue, Sep 23 - Mon, Sep 29
Spirit Airlines Logo
6:35 am - 2:11 pmSJC-SJU
28h 36m3 stops
Spirit Airlines Logo
2:49 am - 7:18 amSJU-SJC
31h 29m3 stops
$370Spirit Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 12
American Airlines Logo
2:08 pm - 12:50 pmSJC-SJU
19h 42m2 stops
American Airlines Logo
7:05 pm - 12:39 pmSJU-SJC
20h 34m2 stops
$373American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
Spirit Airlines Logo
5:55 am - 2:59 pmSJC-SJU
30h 04m3 stops
Spirit Airlines Logo
11:51 am - 7:18 amSJU-SJC
22h 27m3 stops
$383Spirit Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 30
Southwest Logo
8:55 pm - 12:45 pmSJC-SJU
12h 50m1 stop
Southwest Logo
5:50 am - 7:05 pmSJU-SJC
16h 15m2 stops
$389Southwest
Find Deal
Tue, Sep 23 - Mon, Sep 29
American Airlines Logo
6:10 am - 11:52 pmSJC-SJU
13h 42m2 stops
American Airlines Logo
6:25 am - 6:32 pmSJU-SJC
16h 07m2 stops
$480American Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 13

Spirit Airlines flights from San Jose to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on San Jose to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Oct 3
SJC6:35 amSan Jose
28h 36m
3 stops
SJU2:11 pmSan Juan Luis Munoz Marin Intl
Oct 12
SJU2:49 amSan Juan Luis Munoz Marin Intl
31h 29m
3 stops
SJC7:18 amSan Jose
$370
Find similar
Spirit Airlines
Oct 15
SJC5:55 amSan Jose
30h 04m
3 stops
SJU2:59 pmSan Juan Luis Munoz Marin Intl
Oct 30
SJU11:51 amSan Juan Luis Munoz Marin Intl
22h 27m
3 stops
SJC7:18 amSan Jose
$383
Find similar
Spirit Airlines
Oct 1
SJC11:40 amSan Jose
23h 03m
2 stops
SJU1:43 pmSan Juan Luis Munoz Marin Intl
Oct 12
SJU7:05 amSan Juan Luis Munoz Marin Intl
27h 13m
2 stops
SJC7:18 amSan Jose
$390
Find similar

Southwest flights from San Jose to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on San Jose to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Sep 23
SJC8:55 pmSan Jose
12h 50m
1 stop
SJU12:45 pmSan Juan Luis Munoz Marin Intl
Sep 29
SJU5:50 amSan Juan Luis Munoz Marin Intl
13h 00m
1 stop
SJC3:50 pmSan Jose
$359
Find similar
Southwest
Sep 23
SJC8:55 pmSan Jose
12h 50m
1 stop
SJU12:45 pmSan Juan Luis Munoz Marin Intl
Sep 29
SJU5:50 amSan Juan Luis Munoz Marin Intl
16h 15m
2 stops
SJC7:05 pmSan Jose
$389
Find similar
Southwest
Oct 15
SJC6:30 amSan Jose
14h 20m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Oct 30
SJU5:50 amSan Juan Luis Munoz Marin Intl
13h 10m
1 stop
SJC4:00 pmSan Jose
$407
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose to San Juan Luis Munoz Marin Intl Airport 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 August 25, 2025.
Use the filters below to find and compare flights from San Jose to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Mon 10/20

2:21 pm-11:56 am

2 stops18h 35m

San Juan Luis Munoz Marin Intl

Sat 10/25

2:31 pm-10:17 pm

1 stop10h 46m

$255

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 9/27

6:35 am-10:00 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Sat 10/4

7:30 am-8:44 pm

2 stops16h 14m

$292

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 9/16

6:30 am-11:57 pm

2 stops14h 27m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:05 am-1:40 pm

2 stops15h 35m

$311

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Sat 9/27

6:30 am-11:57 pm

2 stops14h 27m

San Juan Luis Munoz Marin Intl

Fri 10/3

1:05 am-1:40 pm

2 stops15h 35m

$312

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 9/23

8:55 pm-12:45 pm

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Mon 9/29

5:50 am-3:50 pm

1 stop13h 00m

$359

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 10/3

6:35 am-2:11 pm

3 stops28h 36m

San Juan Luis Munoz Marin Intl

Sun 10/12

2:49 am-7:18 am

3 stops31h 29m

$370

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Fri 9/26

2:08 pm-12:50 pm

2 stops19h 42m

San Juan Luis Munoz Marin Intl

Mon 9/29

7:05 pm-12:39 pm

2 stops20h 34m

$373

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Wed 10/15

5:55 am-2:59 pm

3 stops30h 04m

San Juan Luis Munoz Marin Intl

Thu 10/30

11:51 am-7:18 am

3 stops22h 27m

$383

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Tue 9/23

8:55 pm-12:45 pm

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Mon 9/29

5:50 am-7:05 pm

2 stops16h 15m

$389

San JoseSan Juan

SJC - SJU

SJCSJU

San Jose

Thu 12/4

6:10 am-11:52 pm

2 stops13h 42m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:25 am-6:32 pm

2 stops16h 07m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Jose to San Juan Luis Munoz Marin Intl Airport

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 Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $374.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from San Jose is on a Sunday. momondo users have found tickets for Sunday departures for as low as $485. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from San Jose because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $663.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $487. Flights in the afternoon are often more expensive with an average ticket price of $597.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from San Jose when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $520 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from San Jose for as low as $375 on momondo.

Can stopping save me money on San Jose to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 28% on your flight if you consider stops on a San Jose to San Juan Luis Munoz Marin Intl Airport flight.

How have San Jose to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of August 2025, prices for San Jose to San Juan Luis Munoz Marin Intl Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from San Jose to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Jose to San Juan Luis Munoz Marin Intl Airport (SJC to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose to San Juan Luis Munoz Marin Intl Airport

Direct flights

None
There are no direct flights from San Jose to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from San Jose to San Juan Luis Munoz Marin Intl Airport.
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  • How far is San Jose to San Juan Luis Munoz Marin Intl by plane?

    The distance between San Jose and San Juan Luis Munoz Marin Intl is about 3594.3 mi. A reasonable flight in good conditions will take 10h 50m.

  • When did momondo last update prices for flights from San Jose Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from San Jose Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Jose Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from San Jose Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Jose to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from San Jose to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from San Jose to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $232Free CancellationRating
6.3
8,029 reviews
Search Spirit Airlines flights
DeltaPriceFrom $255Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $383Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
American AirlinesPriceFrom $414Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to San Juan?

It is quick and easy to find San Jose to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.

Can I find flights from San Jose to San Juan with flexible booking policies on momondo?

All flight searches from San Jose to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Jose to San Juan?

Once all potential San Jose to San Juan 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 San Jose to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Jose to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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