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Cheap flights from Baltimore to San Juan from $106

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:00 pm - 1:32 amBWI-SJU
9h 32m1 stop
Frontier Logo
7:10 am - 10:14 amSJU-BWI
4h 04mnonstop
$177Frontier
Find Deal
Sun, Nov 16 - Sun, Nov 23
Frontier Logo
3:00 pm - 1:32 amBWI-SJU
9h 32m1 stop
Frontier Logo
7:15 am - 3:20 pmSJU-BWI
9h 05m1 stop
$182Frontier
Find Deal
Thu, Nov 13 - Thu, Nov 20
Frontier Logo
10:09 am - 2:57 pmBWI-SJU
3h 48mnonstop
Frontier Logo
8:40 am - 12:24 amSJU-BWI
16h 44m2 stops
$184Frontier
Find Deal
Mon, Jan 12 - Fri, Jan 23
Frontier Logo
3:00 pm - 1:32 amBWI-SJU
9h 32m1 stop
Frontier Logo
7:30 am - 4:41 pmSJU-BWI
10h 11m1 stop
$187Frontier
Find Deal
Sun, Nov 9 - Thu, Nov 13
Frontier Logo
10:09 am - 2:57 pmBWI-SJU
3h 48mnonstop
Frontier Logo
4:11 pm - 12:24 amSJU-BWI
9h 13m1 stop
$196Frontier
Find Deal
Mon, Jan 12 - Fri, Jan 23
Multiple Airlines Logo
10:40 am - 1:44 amBWI-SJU
14h 04m1 stop
Multiple Airlines Logo
2:50 pm - 5:50 pmSJU-BWI
4h 00mnonstop
$213Multiple Airlines
Find Deal
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
10:09 am - 2:57 pmBWI-SJU
3h 48mnonstop
Multiple Airlines Logo
2:50 pm - 5:50 pmSJU-BWI
4h 00mnonstop
$214Multiple Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 23
American Airlines Logo
6:00 am - 8:50 pmBWI-SJU
13h 50m1 stop
American Airlines Logo
6:00 am - 5:56 pmSJU-BWI
12h 56m1 stop
$225American Airlines
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Sun, Jan 25 - Wed, Jan 28
Spirit Airlines Logo
6:45 am - 4:23 pmBWI-SJU
8h 38m1 stop
Spirit Airlines Logo
6:00 am - 4:49 pmSJU-BWI
11h 49m1 stop
$232Spirit Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 23
Spirit Airlines Logo
6:45 am - 4:23 pmBWI-SJU
8h 38m1 stop
Spirit Airlines Logo
2:50 pm - 5:50 pmSJU-BWI
4h 00mnonstop
$233Spirit Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 23

Frontier flights from Baltimore to San Juan

Our best Frontier deals on Baltimore to San Juan flight tickets
Frontier
Nov 16
BWI3:00 pmBaltimore/Washington
9h 32m
1 stop
SJU1:32 amSan Juan Luis Munoz Marin Intl
Nov 23
SJU7:10 amSan Juan Luis Munoz Marin Intl
4h 04m
BWI10:14 amBaltimore/Washington
$177
Find similar
Frontier
Nov 13
BWI3:00 pmBaltimore/Washington
9h 32m
1 stop
SJU1:32 amSan Juan Luis Munoz Marin Intl
Nov 20
SJU7:15 amSan Juan Luis Munoz Marin Intl
9h 05m
1 stop
BWI3:20 pmBaltimore/Washington
$182
Find similar
Frontier
Jan 12
BWI10:09 amBaltimore/Washington
3h 48m
SJU2:57 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU8:40 amSan Juan Luis Munoz Marin Intl
16h 44m
2 stops
BWI12:24 amBaltimore/Washington
$184
Find similar

American Airlines flights from Baltimore to San Juan

Our best American Airlines deals on Baltimore to San Juan flight tickets
American Airlines
Jan 25
BWI6:00 amBaltimore/Washington
13h 50m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 56m
1 stop
BWI5:56 pmBaltimore/Washington
$225
Find similar
American Airlines
Nov 1
BWI7:18 pmBaltimore/Washington
14h 59m
1 stop
SJU10:17 amSan Juan Luis Munoz Marin Intl
Nov 3
SJU3:05 pmSan Juan Luis Munoz Marin Intl
9h 30m
1 stop
BWI11:35 pmBaltimore/Washington
$265
Find similar
American Airlines
Oct 26
BWI6:28 amBaltimore/Washington
8h 27m
1 stop
SJU2:55 pmSan Juan Luis Munoz Marin Intl
Oct 29
SJU4:45 pmSan Juan Luis Munoz Marin Intl
6h 49m
1 stop
BWI11:34 pmBaltimore/Washington
$295
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 October 22, 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

Sun 11/16

3:00 pm-1:32 am

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Sun 11/23

7:10 am-10:14 am

Nonstop4h 04m

$177

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 11/13

3:00 pm-1:32 am

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Thu 11/20

7:15 am-3:20 pm

1 stop9h 05m

$182

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/12

10:09 am-2:57 pm

Nonstop3h 48m

San Juan Luis Munoz Marin Intl

Fri 1/23

8:40 am-12:24 am

2 stops16h 44m

$184

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 11/9

3:00 pm-1:32 am

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Thu 11/13

7:30 am-4:41 pm

1 stop10h 11m

$187

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/12

10:09 am-2:57 pm

Nonstop3h 48m

San Juan Luis Munoz Marin Intl

Fri 1/23

4:11 pm-12:24 am

1 stop9h 13m

$196

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 1/18

10:40 am-1:44 am

1 stop14h 04m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:50 pm-5:50 pm

Nonstop4h 00m

$213

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/12

10:09 am-2:57 pm

Nonstop3h 48m

San Juan Luis Munoz Marin Intl

Fri 1/23

2:50 pm-5:50 pm

Nonstop4h 00m

$214

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 1/25

6:00 am-8:50 pm

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Wed 1/28

6:00 am-5:56 pm

1 stop12h 56m

$225

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/12

6:45 am-4:23 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:00 am-4:49 pm

1 stop11h 49m

$232

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/12

6:45 am-4:23 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Fri 1/23

2:50 pm-5:50 pm

Nonstop4h 00m

$233

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 $359. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $469.

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 $447 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 $306 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 $231 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

1 airport
The fastest flight from Baltimore to San Juan takes 3h 39m
Direct flights go from Baltimore to San Juan every day.
There is 1 airport near San Juan: 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 $98Free CancellationRating
6.3
8,097 reviews
Search Spirit Airlines flights
FrontierPriceFrom $122Free CancellationRating
5.8
3,130 reviews
Search Frontier flights
JetBluePriceFrom $173Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
DeltaPriceFrom $198Free CancellationRating
7.9
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,237 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