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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.
1 adult
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

Our best Frontier deals on Baltimore to San Juan 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

Our best Spirit Airlines deals on Baltimore to San Juan 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 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 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

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?

If you’re not able to fly to San Juan in March, then February is your next best option. Flight prices from Baltimore to San Juan during February average around $275.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Baltimore to San Juan is on a Tuesday when prices can be found for as low as $366. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $458.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $238. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $431 on average. Flights to San Juan from Baltimore in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Baltimore/Washington to San Juan flight route?

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

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan 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 from Baltimore for as low as $259 on momondo.

What cabin class options are available on Baltimore/Washington to San Juan flights?

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

Cheap Baltimore to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to San Juan

Fastest flight time

3h 39m

Direct flights

Every day

Airports in San Juan

2 airports
The fastest flight from Baltimore to San Juan takes 3h 39m
Direct flights go from Baltimore to San Juan every day.
There are 2 airports in San Juan. From Baltimore there are direct flights to San Juan Luis Munoz Marin Intl (SJU).
Search flight deals

  • How far is Baltimore/Washington to San Juan by plane?

    A flight from Baltimore/Washington to San Juan will travel around 1569.0 mi. Flights usually cover this in 3h 39m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Baltimore/Washington Airport to San Juan are refreshed on a daily basis.

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

  • How old do you have to be to fly from Baltimore/Washington Airport to San Juan?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents you'll need for your trip to San Juan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Baltimore to San Juan

Compare and see reviews for airlines that fly from Baltimore to San Juan 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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to San Juan for you.

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?

Once you have performed a search for Baltimore to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport