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Cheap flights from Baltimore to San Juan from $110

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 11/18. 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

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Frontier Logo
1:02 pm - 5:53 pmBWI-SJU
3h 51mnonstop
Frontier Logo
11:47 am - 4:57 pmSJU-BWI
30h 10m1 stop
$219Frontier
Find Deal
Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
12:09 pm - 4:51 pmBWI-SJU
3h 42mnonstop
Multiple Airlines Logo
6:00 am - 12:24 pmSJU-BWI
7h 24m1 stop
$221Multiple Airlines
Find Deal
Mon, Jan 19 - Sat, Jan 31
Frontier Logo
10:09 am - 2:57 pmBWI-SJU
3h 48mnonstop
Frontier Logo
6:00 am - 9:14 amSJU-BWI
4h 14mnonstop
$222Frontier
Find Deal
Tue, Jan 6 - Sat, Jan 10
Spirit Airlines Logo
11:14 am - 4:00 pmBWI-SJU
3h 46mnonstop
Spirit Airlines Logo
6:00 am - 4:49 pmSJU-BWI
11h 49m1 stop
$223Spirit Airlines
Find Deal
Sun, Jan 4 - Mon, Jan 12
American Airlines Logo
10:09 am - 6:22 pmBWI-SJU
7h 13m1 stop
American Airlines Logo
5:55 pm - 11:21 pmSJU-BWI
6h 26m1 stop
$225American Airlines
Find Deal
Mon, Jan 19 - Thu, Jan 22
Frontier Logo
1:02 pm - 5:53 pmBWI-SJU
3h 51mnonstop
Frontier Logo
10:42 am - 9:45 amSJU-BWI
24h 03m1 stop
$226Frontier
Find Deal
Mon, Dec 1 - Thu, Dec 4
Multiple Airlines Logo
8:30 pm - 12:49 amBWI-SJU
27h 19m2 stops
Multiple Airlines Logo
10:42 am - 9:45 amSJU-BWI
24h 03m1 stop
$228Multiple Airlines
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
8:58 am - 1:24 amBWI-SJU
15h 26m2 stops
Frontier Logo
6:00 am - 9:14 amSJU-BWI
4h 14mnonstop
$229Frontier
Find Deal
Fri, Jan 9 - Mon, Jan 12
Spirit Airlines Logo
9:36 pm - 5:19 pmBWI-SJU
18h 43m1 stop
Spirit Airlines Logo
11:55 am - 6:03 pmSJU-BWI
7h 08m1 stop
$233Spirit Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
United Airlines Logo
6:15 am - 9:26 pmBWI-SJU
14h 11m2 stops
United Airlines Logo
8:10 am - 5:14 pmSJU-BWI
10h 04m1 stop
$257United Airlines
Find Deal
Mon, Nov 17 - Thu, Nov 20

United Airlines flights from Baltimore to San Juan

Our best United Airlines deals on Baltimore to San Juan flight tickets
United Airlines
Nov 17
BWI6:15 amBaltimore/Washington
14h 11m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU8:10 amSan Juan Luis Munoz Marin Intl
10h 04m
1 stop
BWI5:14 pmBaltimore/Washington
$257
Find similar
United Airlines
Nov 16
BWI6:00 amBaltimore/Washington
9h 36m
1 stop
SJU4:36 pmSan Juan Luis Munoz Marin Intl
Nov 19
SJU2:05 amSan Juan Luis Munoz Marin Intl
16h 09m
2 stops
BWI5:14 pmBaltimore/Washington
$289
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 4
BWI11:14 amBaltimore/Washington
3h 46m
SJU4:00 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU6:00 amSan Juan Luis Munoz Marin Intl
11h 49m
1 stop
BWI4:49 pmBaltimore/Washington
$223
Find similar
Spirit Airlines
Nov 16
BWI6:20 amBaltimore/Washington
9h 59m
1 stop
SJU5:19 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU5:38 pmSan Juan Luis Munoz Marin Intl
4h 04m
BWI8:42 pmBaltimore/Washington
$232
Find similar
Spirit Airlines
Nov 15
BWI9:36 pmBaltimore/Washington
18h 43m
1 stop
SJU5:19 pmSan Juan Luis Munoz Marin Intl
Nov 22
SJU11:55 amSan Juan Luis Munoz Marin Intl
7h 08m
1 stop
BWI6:03 pmBaltimore/Washington
$233
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 November 5, 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

Mon 12/1

1:02 pm-5:53 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Fri 12/5

11:47 am-4:57 pm

1 stop30h 10m

$219

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/19

12:09 pm-4:51 pm

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:00 am-12:24 pm

1 stop7h 24m

$221

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 1/6

10:09 am-2:57 pm

Nonstop3h 48m

San Juan Luis Munoz Marin Intl

Sat 1/10

6:00 am-9:14 am

Nonstop4h 14m

$222

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 1/4

11:14 am-4:00 pm

Nonstop3h 46m

San Juan Luis Munoz Marin Intl

Mon 1/12

6:00 am-4:49 pm

1 stop11h 49m

$223

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 1/19

10:09 am-6:22 pm

1 stop7h 13m

San Juan Luis Munoz Marin Intl

Thu 1/22

5:55 pm-11:21 pm

1 stop6h 26m

$225

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 12/1

1:02 pm-5:53 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Thu 12/4

10:42 am-9:45 am

1 stop24h 03m

$226

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 12/7

8:30 pm-12:49 am

2 stops27h 19m

San Juan Luis Munoz Marin Intl

Thu 12/11

10:42 am-9:45 am

1 stop24h 03m

$228

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 1/9

8:58 am-1:24 am

2 stops15h 26m

San Juan Luis Munoz Marin Intl

Mon 1/12

6:00 am-9:14 am

Nonstop4h 14m

$229

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 11/15

9:36 pm-5:19 pm

1 stop18h 43m

San Juan Luis Munoz Marin Intl

Sat 11/22

11:55 am-6:03 pm

1 stop7h 08m

$233

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 11/17

6:15 am-9:26 pm

2 stops14h 11m

San Juan Luis Munoz Marin Intl

Thu 11/20

8:10 am-5:14 pm

1 stop10h 04m

$257

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 $367. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $467.

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 $489 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 $309 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 $234 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 42m, 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
8,113 reviews
Search Spirit Airlines flights
FrontierPriceFrom $123Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
JetBluePriceFrom $173Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,239 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