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Cheap flights from Baltimore to San Juan from $85

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 10/19. 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

Spirit Airlines Logo
5:30 am - 2:17 pmBWI-SJU
8h 47m1 stop
Spirit Airlines Logo
7:05 am - 11:05 amSJU-BWI
4h 00mnonstop
$177Spirit Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2
Spirit Airlines Logo
8:42 pm - 12:36 amBWI-SJU
3h 54mnonstop
Spirit Airlines Logo
7:05 am - 11:08 amSJU-BWI
4h 03mnonstop
$180Spirit Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 23
Spirit Airlines Logo
8:42 pm - 12:43 amBWI-SJU
4h 01mnonstop
Spirit Airlines Logo
2:49 am - 12:40 pmSJU-BWI
9h 51m1 stop
$184Spirit Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
Spirit Airlines Logo
8:17 pm - 10:56 amBWI-SJU
14h 39m1 stop
Spirit Airlines Logo
8:05 am - 11:05 amSJU-BWI
4h 00mnonstop
$185Spirit Airlines
Find Deal
Sat, Oct 18 - Sun, Nov 2
Spirit Airlines Logo
1:17 pm - 8:56 pmBWI-SJU
7h 39m1 stop
Spirit Airlines Logo
6:44 am - 3:32 pmSJU-BWI
8h 48m1 stop
$186Spirit Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Spirit Airlines Logo
5:30 am - 2:17 pmBWI-SJU
8h 47m1 stop
Spirit Airlines Logo
11:59 am - 11:25 pmSJU-BWI
11h 26m1 stop
$187Spirit Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2
Multiple Airlines Logo
8:42 pm - 12:36 amBWI-SJU
3h 54mnonstop
Multiple Airlines Logo
3:59 am - 10:20 amSJU-BWI
7h 21m1 stop
$197Multiple Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Frontier Logo
12:30 pm - 7:56 pmBWI-SJU
7h 26m1 stop
Frontier Logo
9:00 am - 12:13 amSJU-BWI
16h 13m2 stops
$223Frontier
Find Deal
Mon, Oct 20 - Mon, Nov 3
Frontier Logo
11:33 am - 6:58 pmBWI-SJU
7h 25m1 stop
Frontier Logo
9:00 am - 12:13 amSJU-BWI
16h 13m2 stops
$234Frontier
Find Deal
Sat, Oct 18 - Mon, Nov 3
Frontier Logo
10:09 am - 2:57 pmBWI-SJU
3h 48mnonstop
Frontier Logo
3:55 am - 7:47 amSJU-BWI
28h 52m1 stop
$245Frontier
Find Deal
Mon, Jan 12 - Tue, Jan 20

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
Sep 28
BWI5:30 amBaltimore/Washington
8h 47m
1 stop
SJU2:17 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU7:05 amSan Juan Luis Munoz Marin Intl
4h 00m
BWI11:05 amBaltimore/Washington
$177
Find similar
Spirit Airlines
Oct 19
BWI8:42 pmBaltimore/Washington
3h 54m
SJU12:36 amSan Juan Luis Munoz Marin Intl
Oct 23
SJU7:05 amSan Juan Luis Munoz Marin Intl
4h 03m
BWI11:08 amBaltimore/Washington
$180
Find similar
Spirit Airlines
Oct 2
BWI8:42 pmBaltimore/Washington
4h 01m
SJU12:43 amSan Juan Luis Munoz Marin Intl
Oct 6
SJU2:49 amSan Juan Luis Munoz Marin Intl
9h 51m
1 stop
BWI12:40 pmBaltimore/Washington
$184
Find similar

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
Oct 20
BWI12:30 pmBaltimore/Washington
7h 26m
1 stop
SJU7:56 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU9:00 amSan Juan Luis Munoz Marin Intl
16h 13m
2 stops
BWI12:13 amBaltimore/Washington
$223
Find similar
Frontier
Oct 18
BWI11:33 amBaltimore/Washington
7h 25m
1 stop
SJU6:58 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU9:00 amSan Juan Luis Munoz Marin Intl
16h 13m
2 stops
BWI12:13 amBaltimore/Washington
$234
Find similar
Frontier
Jan 12
BWI10:09 amBaltimore/Washington
3h 48m
SJU2:57 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU3:55 amSan Juan Luis Munoz Marin Intl
28h 52m
1 stop
BWI7:47 amBaltimore/Washington
$245
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 September 16, 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

Sun 9/28

5:30 am-2:17 pm

1 stop8h 47m

San Juan Luis Munoz Marin Intl

Thu 10/2

7:05 am-11:05 am

Nonstop4h 00m

$177

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 10/19

8:42 pm-12:36 am

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Thu 10/23

7:05 am-11:08 am

Nonstop4h 03m

$180

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 10/2

8:42 pm-12:43 am

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Mon 10/6

2:49 am-12:40 pm

1 stop9h 51m

$184

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 10/18

8:17 pm-10:56 am

1 stop14h 39m

San Juan Luis Munoz Marin Intl

Sun 11/2

8:05 am-11:05 am

Nonstop4h 00m

$185

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 10/1

1:17 pm-8:56 pm

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Sat 10/4

6:44 am-3:32 pm

1 stop8h 48m

$186

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 9/28

5:30 am-2:17 pm

1 stop8h 47m

San Juan Luis Munoz Marin Intl

Thu 10/2

11:59 am-11:25 pm

1 stop11h 26m

$187

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 10/30

8:42 pm-12:36 am

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Mon 11/3

3:59 am-10:20 am

1 stop7h 21m

$197

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 10/20

12:30 pm-7:56 pm

1 stop7h 26m

San Juan Luis Munoz Marin Intl

Mon 11/3

9:00 am-12:13 am

2 stops16h 13m

$223

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 10/18

11:33 am-6:58 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Mon 11/3

9:00 am-12:13 am

2 stops16h 13m

$234

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/12

10:09 am-2:57 pm

Nonstop3h 48m

San Juan Luis Munoz Marin Intl

Tue 1/20

3:55 am-7:47 am

1 stop28h 52m

$245

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 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 $273.

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 $363. 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 $482.

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 $576.

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 $305 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 $234 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?

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 September 2025, prices for Baltimore to San Juan Luis Munoz Marin Intl Airport flights are approximately 63% 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

$141

Fastest flight time

3h 42m

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 $141. 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 $271.
The fastest flight from Baltimore to San Juan Luis Munoz Marin Intl Airport takes 3h 42m
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 42m.

  • 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
FrontierPriceFrom $120Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $124Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
JetBluePriceFrom $207Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $259Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SouthwestPriceFrom $345Free CancellationRating
8.0
4,242 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 $483, but momondo users have found Southwest deals from Baltimore to San Juan Luis Munoz Marin Intl Airport from as low as $345 round-trip. Southwest has been scored 8.0/10 in 4,242 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
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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