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Cheap flights from Baltimore to San Juan from $80

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 2/21. 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

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
4:36 pm - 11:31 pm
SJU
-
BWI
7h 55m
1 stop
$170Spirit Airlines
Tue, Feb 10 - Sat, Feb 14
Frontier Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Frontier Logo
5:25 pm - 7:30 pm
SJU
-
BWI
27h 05m
1 stop
$171Frontier
Sat, Feb 14 - Tue, Feb 17
Multiple Airlines Logo
4:44 pm - 9:47 am
BWI
-
SJU
16h 03m
1 stop
Multiple Airlines Logo
5:31 pm - 8:48 pm
SJU
-
BWI
4h 17mnonstop
$172Multiple Airlines
Tue, Feb 10 - Sat, Feb 14
Multiple Airlines Logo
8:25 pm - 11:53 pm
BWI
-
SJU
26h 28m
1 stop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$173Multiple Airlines
Wed, Feb 18 - Wed, Mar 4
Frontier Logo
7:07 pm - 2:53 am
BWI
-
SJU
6h 46m
1 stop
Frontier Logo
7:05 am - 5:47 pm
SJU
-
BWI
11h 42m
1 stop
$174Frontier
Sat, Feb 21 - Sat, Feb 28
Spirit Airlines Logo
6:20 am - 3:35 pm
BWI
-
SJU
8h 15m
1 stop
Spirit Airlines Logo
5:20 am - 11:17 am
SJU
-
BWI
6h 57m
1 stop
$175Spirit Airlines
Mon, Feb 9 - Sat, Feb 14
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$176Multiple Airlines
Sat, Feb 14 - Wed, Feb 18
Frontier Logo
7:54 pm - 9:54 am
BWI
-
SJU
13h 00m
1 stop
Frontier Logo
4:06 pm - 12:31 am
SJU
-
BWI
9h 25m
1 stop
$177Frontier
Tue, Feb 10 - Wed, Feb 11
Multiple Airlines Logo
7:07 pm - 2:53 am
BWI
-
SJU
6h 46m
1 stop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$178Multiple Airlines
Sat, Feb 21 - Fri, Feb 27
Multiple Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Multiple Airlines Logo
5:25 pm - 8:00 am
SJU
-
BWI
15h 35m
1 stop
$179Multiple Airlines
Mon, Feb 16 - Wed, Feb 18

Spirit Airlines flights from Baltimore to San Juan

Our best Spirit Airlines deals on Baltimore to San Juan flight tickets
Spirit Airlines
Feb 10
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 14
SJU4:36 pmSan Juan Luis Munoz Marin Intl
7h 55m
1 stop
BWI11:31 pmBaltimore/Washington
$170
Spirit Airlines
Feb 10
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 13
SJU4:31 pmSan Juan Luis Munoz Marin Intl
8h 00m
1 stop
BWI11:31 pmBaltimore/Washington
$172
Spirit Airlines
Feb 1
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 12
SJU4:36 pmSan Juan Luis Munoz Marin Intl
7h 55m
1 stop
BWI11:31 pmBaltimore/Washington
$173

Frontier flights from Baltimore to San Juan

Our best Frontier deals on Baltimore to San Juan flight tickets
Frontier
Feb 14
BWI9:43 pmBaltimore/Washington
3h 42m
SJU2:25 amSan Juan Luis Munoz Marin Intl
Feb 17
SJU5:25 pmSan Juan Luis Munoz Marin Intl
27h 05m
1 stop
BWI7:30 pmBaltimore/Washington
$171
Frontier
Feb 21
BWI7:07 pmBaltimore/Washington
6h 46m
1 stop
SJU2:53 amSan Juan Luis Munoz Marin Intl
Feb 28
SJU7:05 amSan Juan Luis Munoz Marin Intl
11h 42m
1 stop
BWI5:47 pmBaltimore/Washington
$174
Frontier
Feb 10
BWI7:54 pmBaltimore/Washington
13h 00m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
Feb 11
SJU4:06 pmSan Juan Luis Munoz Marin Intl
9h 25m
1 stop
BWI12:31 amBaltimore/Washington
$177

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 28, 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

Tue 2/10

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Sat 2/14

4:36 pm-11:31 pm

1 stop7h 55m

$170

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/14

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Tue 2/17

5:25 pm-7:30 pm

1 stop27h 05m

$171

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 2/10

4:44 pm-9:47 am

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Sat 2/14

5:31 pm-8:48 pm

Nonstop4h 17m

$172

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 2/18

8:25 pm-11:53 pm

1 stop26h 28m

San Juan Luis Munoz Marin Intl

Wed 3/4

9:11 pm-12:20 am

Nonstop4h 09m

$173

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

7:07 pm-2:53 am

1 stop6h 46m

San Juan Luis Munoz Marin Intl

Sat 2/28

7:05 am-5:47 pm

1 stop11h 42m

$174

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 2/9

6:20 am-3:35 pm

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Sat 2/14

5:20 am-11:17 am

1 stop6h 57m

$175

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/14

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Wed 2/18

9:11 pm-12:20 am

Nonstop4h 09m

$176

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 2/10

7:54 pm-9:54 am

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Wed 2/11

4:06 pm-12:31 am

1 stop9h 25m

$177

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

7:07 pm-2:53 am

1 stop6h 46m

San Juan Luis Munoz Marin Intl

Fri 2/27

9:11 pm-12:20 am

Nonstop4h 09m

$178

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 2/16

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 2/18

5:25 pm-8:00 am

1 stop15h 35m

$179

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 $267.

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 $358. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $445.

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 $438 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 $260 on momondo.

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

There are 3 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 $121Free CancellationRating
6.3
8,385 reviews
Search Spirit Airlines flights
FrontierPriceFrom $131Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,120 reviews
Search Delta flights
JetBluePriceFrom $156Free CancellationRating
7.2
2,889 reviews
Search JetBlue flights
American AirlinesPriceFrom $225Free CancellationRating
7.2
11,198 reviews
Search American Airlines flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,206 reviews
Search United Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,268 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