Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Baltimore to San Juan

Cheap round-trip flights

Spirit Airlines Logo
10:00 pm - 3:01 amBWI-SJU
4h 01mnonstop
Spirit Airlines Logo
6:00 am - 12:24 pmSJU-BWI
7h 24m1 stop
$176Spirit Airlines
Find Deal
Thu, Nov 6 - Sat, Nov 15
Logo
12:11 pm - 4:03 pmBWI-SJU
3h 52mnonstop
Logo
6:44 am - 3:32 pmSJU-BWI
8h 48m1 stop
$178
Find Deal
Sun, Aug 31 - Fri, Sep 5
Spirit Airlines Logo
10:00 pm - 3:01 amBWI-SJU
4h 01mnonstop
Spirit Airlines Logo
3:59 am - 6:57 amSJU-BWI
3h 58mnonstop
$180Spirit Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
American Airlines Logo
8:05 am - 11:54 pmBWI-SJU
15h 49m1 stop
American Airlines Logo
7:10 am - 12:33 amSJU-BWI
17h 23m1 stop
$185American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Spirit Airlines Logo
6:45 am - 4:23 pmBWI-SJU
8h 38m1 stop
Spirit Airlines Logo
3:59 am - 6:57 amSJU-BWI
3h 58mnonstop
$186Spirit Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Spirit Airlines Logo
8:16 pm - 11:04 amBWI-SJU
14h 48m1 stop
Spirit Airlines Logo
7:05 am - 11:05 amSJU-BWI
4h 00mnonstop
$187Spirit Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 28
Spirit Airlines Logo
8:16 pm - 11:04 amBWI-SJU
14h 48m1 stop
Spirit Airlines Logo
7:05 am - 11:05 amSJU-BWI
4h 00mnonstop
$188Spirit Airlines
Find Deal
Sat, Sep 20 - Thu, Sep 25
Spirit Airlines Logo
8:40 am - 8:44 pmBWI-SJU
11h 04m1 stop
Spirit Airlines Logo
3:59 am - 6:57 amSJU-BWI
3h 58mnonstop
$189Spirit Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9
Frontier Logo
11:43 am - 2:34 amBWI-SJU
14h 51m2 stops
Frontier Logo
10:57 am - 6:50 pmSJU-BWI
7h 53m1 stop
$229Frontier
Find Deal
Thu, Sep 18 - Fri, Sep 19
Frontier Logo
4:24 pm - 8:02 amBWI-SJU
15h 38m1 stop
Frontier Logo
3:39 am - 3:29 pmSJU-BWI
11h 50m1 stop
$232Frontier
Find Deal
Wed, Sep 17 - Tue, Sep 23

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
Sep 1
BWI12:11 pmBaltimore/Washington
3h 52m
SJU4:03 pmSan Juan Luis Munoz Marin Intl
Sep 4
SJU10:57 amSan Juan Luis Munoz Marin Intl
7h 52m
1 stop
BWI6:49 pmBaltimore/Washington
$220
Find similar
Frontier
Sep 18
BWI11:43 amBaltimore/Washington
14h 51m
2 stops
SJU2:34 amSan Juan Luis Munoz Marin Intl
Sep 19
SJU10:57 amSan Juan Luis Munoz Marin Intl
7h 53m
1 stop
BWI6:50 pmBaltimore/Washington
$229
Find similar
Frontier
Aug 31
BWI12:11 pmBaltimore/Washington
3h 52m
SJU4:03 pmSan Juan Luis Munoz Marin Intl
Sep 3
SJU8:13 pmSan Juan Luis Munoz Marin Intl
13h 10m
1 stop
BWI9:23 amBaltimore/Washington
$231
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
Sep 2
BWI10:00 amBaltimore/Washington
3h 49m
SJU1:49 pmSan Juan Luis Munoz Marin Intl
Sep 5
SJU11:59 amSan Juan Luis Munoz Marin Intl
11h 26m
1 stop
BWI11:25 pmBaltimore/Washington
$174
Find similar
Spirit Airlines
Nov 6
BWI10:00 pmBaltimore/Washington
4h 01m
SJU3:01 amSan Juan Luis Munoz Marin Intl
Nov 15
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 24m
1 stop
BWI12:24 pmBaltimore/Washington
$176
Find similar
Spirit Airlines
Nov 6
BWI10:00 pmBaltimore/Washington
4h 01m
SJU3:01 amSan Juan Luis Munoz Marin Intl
Nov 9
SJU3:59 amSan Juan Luis Munoz Marin Intl
3h 58m
BWI6:57 amBaltimore/Washington
$180
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 August 21, 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

Thu 11/6

10:00 pm-3:01 am

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:00 am-12:24 pm

1 stop7h 24m

$176

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 8/31

12:11 pm-4:03 pm

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Fri 9/5

6:44 am-3:32 pm

1 stop8h 48m

$178

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 11/6

10:00 pm-3:01 am

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Sun 11/9

3:59 am-6:57 am

Nonstop3h 58m

$180

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 10/18

8:05 am-11:54 pm

1 stop15h 49m

San Juan Luis Munoz Marin Intl

Sat 10/25

7:10 am-12:33 am

1 stop17h 23m

$185

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 11/7

6:45 am-4:23 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Sun 11/9

3:59 am-6:57 am

Nonstop3h 58m

$186

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 9/20

8:16 pm-11:04 am

1 stop14h 48m

San Juan Luis Munoz Marin Intl

Sun 9/28

7:05 am-11:05 am

Nonstop4h 00m

$187

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 9/20

8:16 pm-11:04 am

1 stop14h 48m

San Juan Luis Munoz Marin Intl

Thu 9/25

7:05 am-11:05 am

Nonstop4h 00m

$188

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 11/6

8:40 am-8:44 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Sun 11/9

3:59 am-6:57 am

Nonstop3h 58m

$189

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 9/18

11:43 am-2:34 am

2 stops14h 51m

San Juan Luis Munoz Marin Intl

Fri 9/19

10:57 am-6:50 pm

1 stop7h 53m

$229

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 9/17

4:24 pm-8:02 am

1 stop15h 38m

San Juan Luis Munoz Marin Intl

Tue 9/23

3:39 am-3:29 pm

1 stop11h 50m

$232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $267.

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, 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 $484.

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 $693.

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 $301 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 $240 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 12% 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 August 2025, prices for Baltimore to San Juan Luis Munoz Marin Intl Airport flights are approximately 34% 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

$122

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 $122. 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 $231.
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 44m.

  • 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
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $124Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
JetBluePriceFrom $173Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $259Free CancellationRating
7.9
7,981 reviews
Search Delta flights
SouthwestPriceFrom $329Free CancellationRating
8.0
4,245 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 $477, but momondo users have found Southwest deals from Baltimore to San Juan Luis Munoz Marin Intl Airport from as low as $329 round-trip. Southwest has been scored 8.0/10 in 4,245 reviews.

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

    $124 is the best Spirit Airlines flight deal from Baltimore to San Juan Luis Munoz Marin Intl Airport found on momondo over the last 72 hours. The average Spirit Airlines ticket price found was closer to $257, however, with flight time and availability significantly affecting the price. Spirit Airlines (6.3/10 from 8,035 user reviews) flies into San Juan Luis Munoz Marin Intl Airport from Baltimore 2 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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan