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Cheap flights from Baltimore to San Juan from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to San Juan departing on 1/6. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:54 pm - 12:57 pm
BWI
-
SJU
16h 03m1 stop
Frontier Logo
5:25 pm - 10:02 am
SJU
-
BWI
41h 37m2 stops
$216Frontier
Tue, Feb 10 - Tue, Feb 17
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
9:29 pm - 12:41 am
SJU
-
BWI
4h 12mnonstop
$217Spirit Airlines
Fri, Jan 30 - Thu, Feb 5
Frontier Logo
9:13 pm - 10:34 am
BWI
-
SJU
12h 21m1 stop
Frontier Logo
5:30 am - 3:36 pm
SJU
-
BWI
10h 06m1 stop
$218Frontier
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
5:42 pm - 2:39 am
BWI
-
SJU
7h 57m1 stop
Multiple Airlines Logo
7:15 am - 10:19 am
SJU
-
BWI
4h 04mnonstop
$219Multiple Airlines
Mon, Dec 29 - Wed, Dec 31
Frontier Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Frontier Logo
5:31 pm - 8:48 pm
SJU
-
BWI
4h 17mnonstop
$220Frontier
Sat, Feb 21 - Sat, Feb 28
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
9:29 pm - 12:38 am
SJU
-
BWI
4h 09mnonstop
$221Spirit Airlines
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
10:51 am - 12:43 am
BWI
-
SJU
12h 52m1 stop
Frontier Logo
3:53 am - 2:13 pm
SJU
-
BWI
11h 20m1 stop
$222Frontier
Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
9:29 pm - 12:38 am
SJU
-
BWI
4h 09mnonstop
$223Multiple Airlines
Sat, Feb 21 - Tue, Mar 3
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
9:29 pm - 12:38 am
SJU
-
BWI
4h 09mnonstop
$224Multiple Airlines
Sat, Feb 21 - Fri, Feb 27
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
9:29 pm - 12:38 am
SJU
-
BWI
4h 09mnonstop
$225Multiple Airlines
Sat, Feb 21 - Tue, Feb 24

Frontier flights from Baltimore to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Baltimore to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Feb 10
BWI7:54 pmBaltimore/Washington
16h 03m
1 stop
SJU12:57 pmSan Juan Luis Munoz Marin Intl
Feb 17
SJU5:25 pmSan Juan Luis Munoz Marin Intl
41h 37m
2 stops
BWI10:02 amBaltimore/Washington
$216
Find similar
Frontier
Mar 5
BWI9:13 pmBaltimore/Washington
12h 21m
1 stop
SJU10:34 amSan Juan Luis Munoz Marin Intl
Mar 9
SJU5:30 amSan Juan Luis Munoz Marin Intl
10h 06m
1 stop
BWI3:36 pmBaltimore/Washington
$218
Find similar
Frontier
Feb 21
BWI10:51 amBaltimore/Washington
12h 52m
1 stop
SJU12:43 amSan Juan Luis Munoz Marin Intl
Mar 5
SJU4:11 pmSan Juan Luis Munoz Marin Intl
9h 20m
1 stop
BWI12:31 amBaltimore/Washington
$220
Find similar

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

Our best Spirit Airlines deals on Baltimore to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Jan 30
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 5
SJU9:29 pmSan Juan Luis Munoz Marin Intl
4h 12m
BWI12:41 amBaltimore/Washington
$217
Find similar
Spirit Airlines
Feb 20
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 23
SJU9:29 pmSan Juan Luis Munoz Marin Intl
4h 09m
BWI12:38 amBaltimore/Washington
$221
Find similar
Spirit Airlines
Feb 25
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Mar 3
SJU9:29 pmSan Juan Luis Munoz Marin Intl
4h 09m
BWI12:38 amBaltimore/Washington
$227
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore 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 December 18, 2025.
Use the filters below to find and compare flights from Baltimore to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 2/10

7:54 pm-12:57 pm

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Tue 2/17

5:25 pm-10:02 am

2 stops41h 37m

$216

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 1/30

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Thu 2/5

9:29 pm-12:41 am

Nonstop4h 12m

$217

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 3/5

9:13 pm-10:34 am

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Mon 3/9

5:30 am-3:36 pm

1 stop10h 06m

$218

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 12/29

5:42 pm-2:39 am

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Wed 12/31

7:15 am-10:19 am

Nonstop4h 04m

$219

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:31 pm-8:48 pm

Nonstop4h 17m

$220

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 2/20

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Mon 2/23

9:29 pm-12:38 am

Nonstop4h 09m

$221

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

10:51 am-12:43 am

1 stop12h 52m

San Juan Luis Munoz Marin Intl

Sun 3/1

3:53 am-2:13 pm

1 stop11h 20m

$222

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Tue 3/3

9:29 pm-12:38 am

Nonstop4h 09m

$223

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Fri 2/27

9:29 pm-12:38 am

Nonstop4h 09m

$224

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Tue 2/24

9:29 pm-12:38 am

Nonstop4h 09m

$225

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 Juan from

How to get the cheapest flight ticket from Baltimore 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 March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $275.

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 Baltimore is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $366. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Baltimore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $458.

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 $238. Flights in the evening are often more expensive with an average ticket price of $431.

What is the cheapest Baltimore/Washington to San Juan Luis Munoz Marin Intl flight route?

Fly from Baltimore/Washington to San Juan Luis Munoz Marin Intl for the best Baltimore/Washington - San Juan Luis Munoz Marin Intl flight prices

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 Baltimore 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 $316 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 Baltimore for as low as $259 on momondo.

What cabin class options are available on Baltimore/Washington to San Juan Luis Munoz Marin Intl flights?

There are 2 cabin classes available to choose from on Baltimore/Washington to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 30% on your flight if you consider stops on a Baltimore to San Juan Luis Munoz Marin Intl Airport flight.

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

As of December 2025, prices for Baltimore to San Juan Luis Munoz Marin Intl Airport flights are approximately 70% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore 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 Baltimore to San Juan Luis Munoz Marin Intl Airport (BWI to SJU) flight deals and tips

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

Best Price Found

$129

Fastest flight time

3h 39m

Direct flights

Every day
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Baltimore in the past 72 hours is $129. The best round-trip flight deal from Baltimore to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $274.
The fastest flight from Baltimore to San Juan Luis Munoz Marin Intl Airport takes 3h 39m
Direct flights go from Baltimore to San Juan Luis Munoz Marin Intl Airport every day.
Search flight deals

  • How far is Baltimore/Washington to San Juan Luis Munoz Marin Intl by plane?

    The distance between Baltimore/Washington and San Juan Luis Munoz Marin Intl is about 1573.3 mi. A reasonable flight in good conditions will take 3h 39m.

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

    Prices for flights from Baltimore/Washington Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

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

  • How old do you have to be to fly from Baltimore/Washington 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 Baltimore/Washington 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 plane model from Baltimore to San Juan Luis Munoz Marin Intl Airport?

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

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

Compare and see reviews for airlines that fly from Baltimore to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $127Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
FrontierPriceFrom $132Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
JetBluePriceFrom $167Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
DeltaPriceFrom $192Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $214Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
American AirlinesPriceFrom $225Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
SouthwestPriceFrom $346Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

  • Southwest Flights From Baltimore to San Juan Luis Munoz Marin Intl Airport

    Southwest operates around 6 flights from Baltimore to San Juan Luis Munoz Marin Intl Airport every week. The average price of these flights found in the last 72 hours has been $490, but momondo users have found Southwest deals from Baltimore to San Juan Luis Munoz Marin Intl Airport from as low as $346 round-trip. Southwest has been scored 7.9/10 in 4,250 reviews.

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
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to San Juan. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Baltimore to San Juan flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to San Juan.

I’m not ready to book a flight from Baltimore to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Baltimore to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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