Cheap flights from Baltimore to San Juan from $91

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 1/20. 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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Enter your travel dates to find the best prices.
Frontier Logo
10:12 am - 2:54 pm
BWI
-
SJU
3h 42mnonstop
Frontier Logo
7:00 pm - 12:21 am
SJU
-
BWI
30h 21m2 stops
$188Frontier
Sun, Jan 18 - Mon, Jan 26
Spirit Airlines Logo
4:44 pm - 9:47 am
BWI
-
SJU
16h 03m1 stop
Spirit Airlines Logo
6:00 am - 11:17 am
SJU
-
BWI
6h 17m1 stop
$189Spirit Airlines
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
8:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$190Multiple Airlines
Sat, Feb 28 - Wed, Mar 11
Multiple Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Multiple Airlines Logo
5:30 am - 3:36 pm
SJU
-
BWI
10h 06m1 stop
$191Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$192Spirit Airlines
Fri, Feb 27 - Sat, Mar 7
Spirit Airlines Logo
4:44 pm - 9:47 am
BWI
-
SJU
16h 03m1 stop
Spirit Airlines Logo
9:29 pm - 12:41 am
SJU
-
BWI
4h 12mnonstop
$193Spirit Airlines
Fri, Jan 30 - Sat, Feb 7
Spirit Airlines Logo
4:45 pm - 10:17 am
BWI
-
SJU
16h 32m1 stop
Spirit Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$194Spirit Airlines
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
5:26 pm - 2:53 am
BWI
-
SJU
8h 27m1 stop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$195Multiple Airlines
Thu, Feb 19 - Tue, Feb 24
Multiple Airlines Logo
5:37 pm - 12:45 am
BWI
-
SJU
7h 08m1 stop
Multiple Airlines Logo
8:29 pm - 12:33 am
SJU
-
BWI
4h 04mnonstop
$196Multiple Airlines
Sat, Apr 11 - Tue, Apr 14
Multiple Airlines Logo
4:45 pm - 12:43 am
BWI
-
SJU
6h 58m1 stop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$197Multiple Airlines
Tue, Feb 24 - Fri, Feb 27

Frontier flights from Baltimore to San Juan

Our best Frontier deals on Baltimore to San Juan flight tickets
Frontier
Jan 18
BWI10:12 amBaltimore/Washington
3h 42m
SJU2:54 pmSan Juan Luis Munoz Marin Intl
Jan 26
SJU7:00 pmSan Juan Luis Munoz Marin Intl
30h 21m
2 stops
BWI12:21 amBaltimore/Washington
Frontier
Jan 11
BWI10:09 amBaltimore/Washington
3h 48m
SJU2:57 pmSan Juan Luis Munoz Marin Intl
Jan 15
SJU6:00 amSan Juan Luis Munoz Marin Intl
10h 52m
1 stop
BWI3:52 pmBaltimore/Washington
Frontier
Jan 12
BWI6:00 amBaltimore/Washington
6h 49m
1 stop
SJU1:49 pmSan Juan Luis Munoz Marin Intl
Jan 16
SJU2:41 pmSan Juan Luis Munoz Marin Intl
4h 17m
BWI5:58 pmBaltimore/Washington

Spirit Airlines flights from Baltimore to San Juan

Our best Spirit Airlines deals on Baltimore to San Juan flight tickets
Spirit Airlines
Jan 19
BWI6:20 amBaltimore/Washington
8h 15m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 24
SJU6:00 amSan Juan Luis Munoz Marin Intl
6h 17m
1 stop
BWI11:17 amBaltimore/Washington
Spirit Airlines
Jan 19
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Jan 24
SJU9:29 pmSan Juan Luis Munoz Marin Intl
4h 09m
BWI12:38 amBaltimore/Washington
Spirit Airlines
Jan 12
BWI6:20 amBaltimore/Washington
8h 15m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 16
SJU6:00 amSan Juan Luis Munoz Marin Intl
6h 17m
1 stop
BWI11:17 amBaltimore/Washington

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 January 7, 2026.
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

Sun 1/18

10:12 am-2:54 pm

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Mon 1/26

7:00 pm-12:21 am

2 stops30h 21m

$188

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 1/17

4:44 pm-9:47 am

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Sat 1/24

6:00 am-11:17 am

1 stop6h 17m

$189

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/28

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Wed 3/11

8:11 pm-12:20 am

Nonstop4h 09m

$190

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 3/2

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Mon 3/9

5:30 am-3:36 pm

1 stop10h 06m

$191

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 2/27

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Sat 3/7

9:11 pm-12:20 am

Nonstop4h 09m

$192

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 1/30

4:44 pm-9:47 am

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Sat 2/7

9:29 pm-12:41 am

Nonstop4h 12m

$193

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 2/20

4:45 pm-10:17 am

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Mon 2/23

9:11 pm-12:20 am

Nonstop4h 09m

$194

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 2/19

5:26 pm-2:53 am

1 stop8h 27m

San Juan Luis Munoz Marin Intl

Tue 2/24

9:11 pm-12:20 am

Nonstop4h 09m

$195

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 4/11

5:37 pm-12:45 am

1 stop7h 08m

San Juan Luis Munoz Marin Intl

Tue 4/14

8:29 pm-12:33 am

Nonstop4h 04m

$196

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 2/24

4:45 pm-12:43 am

1 stop6h 58m

San Juan Luis Munoz Marin Intl

Fri 2/27

9:11 pm-12:20 am

Nonstop4h 09m

$197

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 typical price of a round-trip flight between Baltimore and San Juan?

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 $279.

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 Sunday when prices can be found for as low as $365. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $453.

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 afternoon when prices are $431 on average. Flights to San Juan from Baltimore in the afternoon 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).
  • 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
8,285 reviews
Search Spirit Airlines flights
FrontierPriceFrom $138Free CancellationRating
5.7
3,063 reviews
Search Frontier flights
JetBluePriceFrom $173Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
DeltaPriceFrom $192Free CancellationRating
7.9
8,021 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
American AirlinesPriceFrom $226Free CancellationRating
7.2
11,090 reviews
Search American Airlines flights
SouthwestPriceFrom $349Free CancellationRating
8.0
4,249 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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1 adult
Fri 2/6
Fri 2/13

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