Cheap flights from Baltimore to San Juan from $103

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 5/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:09 pm - 8:09 am
BWI
-
SJU
17h 00m
1 stop
Frontier Logo
3:35 pm - 7:49 pm
SJU
-
BWI
4h 14mnonstop
$176Frontier
Sat, Aug 22 - Sat, Aug 29
Frontier Logo
8:44 pm - 12:44 am
BWI
-
SJU
4h 00mnonstop
Frontier Logo
6:41 pm - 6:32 pm
SJU
-
BWI
23h 51m
1 stop
$177Frontier
Wed, Aug 26 - Wed, Sep 2
Frontier Logo
9:28 pm - 7:57 am
BWI
-
SJU
10h 29m
1 stop
Frontier Logo
3:36 pm - 7:44 pm
SJU
-
BWI
4h 08mnonstop
$179Frontier
Sat, Aug 8 - Wed, Aug 12
Frontier Logo
8:44 pm - 12:44 am
BWI
-
SJU
4h 00mnonstop
Frontier Logo
3:35 pm - 7:49 pm
SJU
-
BWI
4h 14mnonstop
$181Frontier
Wed, Sep 2 - Thu, Sep 3
Frontier Logo
8:44 pm - 12:47 am
BWI
-
SJU
4h 03mnonstop
Frontier Logo
7:30 am - 6:32 pm
SJU
-
BWI
11h 02m
1 stop
$182Frontier
Wed, Aug 5 - Tue, Aug 11
Frontier Logo
8:44 pm - 12:47 am
BWI
-
SJU
4h 03mnonstop
Frontier Logo
6:00 am - 12:15 pm
SJU
-
BWI
6h 15m
1 stop
$183Frontier
Mon, Aug 10 - Sat, Aug 15
Frontier Logo
8:44 pm - 12:47 am
BWI
-
SJU
4h 03mnonstop
Frontier Logo
6:00 am - 12:15 pm
SJU
-
BWI
6h 15m
1 stop
$184Frontier
Sun, Aug 9 - Wed, Aug 12
Frontier Logo
8:44 pm - 12:47 am
BWI
-
SJU
4h 03mnonstop
Frontier Logo
7:30 am - 6:32 pm
SJU
-
BWI
11h 02m
1 stop
$186Frontier
Wed, Aug 5 - Thu, Aug 13
Frontier Logo
3:26 pm - 11:22 pm
BWI
-
SJU
7h 56m
1 stop
Frontier Logo
3:35 pm - 7:49 pm
SJU
-
BWI
4h 14mnonstop
$191Frontier
Fri, Jun 5 - Wed, Jun 10
Frontier Logo
8:44 pm - 12:47 am
BWI
-
SJU
4h 03mnonstop
Frontier Logo
6:00 am - 12:15 pm
SJU
-
BWI
6h 15m
1 stop
$192Frontier
Sun, Jul 26 - Wed, Jul 29

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
Aug 22
BWI3:09 pmBaltimore/Washington
17h 00m
1 stop
SJU8:09 amSan Juan Luis Munoz Marin Intl
Aug 29
SJU3:35 pmSan Juan Luis Munoz Marin Intl
4h 14m
BWI7:49 pmBaltimore/Washington
$176
Frontier
Aug 26
BWI8:44 pmBaltimore/Washington
4h 00m
SJU12:44 amSan Juan Luis Munoz Marin Intl
Sep 2
SJU6:41 pmSan Juan Luis Munoz Marin Intl
23h 51m
1 stop
BWI6:32 pmBaltimore/Washington
$177
Frontier
Aug 8
BWI9:28 pmBaltimore/Washington
10h 29m
1 stop
SJU7:57 amSan Juan Luis Munoz Marin Intl
Aug 12
SJU3:36 pmSan Juan Luis Munoz Marin Intl
4h 08m
BWI7:44 pmBaltimore/Washington
$179

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

Our best American Airlines deals on Baltimore to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
May 15
BWI5:05 amBaltimore/Washington
15h 46m
1 stop
SJU8:51 pmSan Juan Luis Munoz Marin Intl
May 16
SJU6:45 amSan Juan Luis Munoz Marin Intl
16h 24m
1 stop
BWI11:09 pmBaltimore/Washington
$321
American Airlines
May 13
BWI5:05 amBaltimore/Washington
15h 46m
1 stop
SJU8:51 pmSan Juan Luis Munoz Marin Intl
May 16
SJU6:45 amSan Juan Luis Munoz Marin Intl
16h 24m
1 stop
BWI11:09 pmBaltimore/Washington
$331

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 May 8, 2026.
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

Cheapest round-trip

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 8/22

3:09 pm-8:09 am

1 stop17h 00m

San Juan Luis Munoz Marin Intl

Sat 8/29

3:35 pm-7:49 pm

Nonstop4h 14m

$176

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 8/26

8:44 pm-12:44 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Wed 9/2

6:41 pm-6:32 pm

1 stop23h 51m

$177

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 8/8

9:28 pm-7:57 am

1 stop10h 29m

San Juan Luis Munoz Marin Intl

Wed 8/12

3:36 pm-7:44 pm

Nonstop4h 08m

$179
Quickest round-trip

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 9/2

8:44 pm-12:44 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 9/3

3:35 pm-7:49 pm

Nonstop4h 14m

$181

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 8/5

8:44 pm-12:47 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Tue 8/11

7:30 am-6:32 pm

1 stop11h 02m

$182

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 8/10

8:44 pm-12:47 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sat 8/15

6:00 am-12:15 pm

1 stop6h 15m

$183

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 8/9

8:44 pm-12:47 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Wed 8/12

6:00 am-12:15 pm

1 stop6h 15m

$184

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 8/5

8:44 pm-12:47 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Thu 8/13

7:30 am-6:32 pm

1 stop11h 02m

$186

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 6/5

3:26 pm-11:22 pm

1 stop7h 56m

San Juan Luis Munoz Marin Intl

Wed 6/10

3:35 pm-7:49 pm

Nonstop4h 14m

$191

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 7/26

8:44 pm-12:47 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Wed 7/29

6:00 am-12:15 pm

1 stop6h 15m

$192

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 typical price of a round-trip flight between Baltimore and San Juan Luis Munoz Marin Intl Airport?

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 July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $290.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $369. 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 Baltimore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $445.

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 in the evening when flights can be purchased for as low as $344. Flights in the afternoon are often more expensive with an average ticket price of $455.

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 from Baltimore 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 $327 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 $275 on momondo.

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

No. A direct flight is the cheapest option for a flight between Baltimore to San Juan Luis Munoz Marin Intl Airport.

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

As of May 2026, prices for Baltimore to San Juan Luis Munoz Marin Intl Airport flights are approximately 2% 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

$104

Fastest flight time

3h 57m

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 $104. 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 $198.
The fastest flight from Baltimore to San Juan Luis Munoz Marin Intl Airport takes 3h 57m
Direct flights go from Baltimore to San Juan Luis Munoz Marin Intl Airport every day.

Frequently asked questions about flying from Baltimore to San Juan Luis Munoz Marin Intl Airport

  • 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 57m.

  • 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 $123Free CancellationRating
6.3
8,638 reviews
Search Spirit Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.6
2,963 reviews
Search Frontier flights
JetBluePriceFrom $146Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
United AirlinesPriceFrom $172Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
DeltaPriceFrom $247Free CancellationRating
7.9
8,456 reviews
Search Delta flights
SouthwestPriceFrom $363Free CancellationRating
7.9
4,302 reviews
Search Southwest flights
  • Southwest Flights From Baltimore to San Juan Luis Munoz Marin Intl Airport

    Southwest operates around 10 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 $530, but momondo users have found Southwest deals from Baltimore to San Juan Luis Munoz Marin Intl Airport from as low as $363 round-trip. Southwest has been scored 7.9/10 in 4,302 reviews.

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

    $143 is the best Frontier flight deal from Baltimore to San Juan Luis Munoz Marin Intl Airport found on momondo over the last 72 hours. The average Frontier ticket price found was closer to $335, however, with flight time and availability significantly affecting the price. Frontier (5.6/10 from 2,963 user reviews) flies into San Juan Luis Munoz Marin Intl Airport from Baltimore 4 times in an average week so prices can vary.

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 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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