What is the cheapest airline that flies from Baltimore/Washington to San Juan?

Frontier and Spirit Airlines are the most popular carriers operating from Baltimore/Washington to San Juan

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Juan?

Frontier, Spirit Airlines and United Airlines are the top three most popular airlines that fly to San Juan from Baltimore according to our data. Frontier is the first choice among our users, with 32% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 7 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for Baltimore to San Juan flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Baltimore to San Juan flights?

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

How many flights depart from Baltimore to San Juan on average per week?

The number of flights available between Baltimore and San Juan is 19 per week as of February 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

How many flights depart from Baltimore to San Juan on average per day?

2 flights are operational daily from Baltimore to San Juan as of February 2026. The most popular departure time for this route is 6:00AM, with 70% of flights per day taking off at noon.

How often are flights from Baltimore to San Juan delayed?

Historically, on average around 25% of flights between Baltimore and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

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?

As of February 2026, there are 7 operators available to choose from 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.

$78 Cheap Flights from Baltimore to San Juan in 2026

Q: What is the typical price of a round-trip flight between Baltimore and San Juan?

Prices are currently low for flights on this route. Typical prices usually range from $175 to $388. The lowest price recently found on this route was $158.

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Find the cheapest flights from Baltimore to San Juan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 pm - 10:40 pm

BWI

SJU

3h 50mnonstop

7:53 pm - 11:59 pm

SJU

BWI

4h 06mnonstop

$158Multiple Airlines

Fri, Apr 24 - Wed, Apr 29

6:20 am - 3:31 pm

BWI

SJU

8h 11m

1 stop

6:25 am - 9:42 am

SJU

BWI

4h 17mnonstop

$159Multiple Airlines

Mon, Mar 2 - Fri, Mar 6

9:43 pm - 2:25 am

BWI

SJU

3h 42mnonstop

4:31 pm - 12:31 am

SJU

BWI

9h 00m

2 stops

$160Multiple Airlines

Sat, Feb 21 - Wed, Feb 25

6:00 am - 10:47 am

BWI

SJU

3h 47mnonstop

8:11 pm - 12:20 am

SJU

BWI

4h 09mnonstop

$161Spirit Airlines

Sun, Mar 1 - Wed, Mar 11

6:00 am - 10:47 am

BWI

SJU

3h 47mnonstop

8:24 pm - 12:28 am

SJU

BWI

4h 04mnonstop

$162Spirit Airlines

Wed, Feb 18 - Wed, Mar 18

6:50 pm - 10:40 pm

BWI

SJU

3h 50mnonstop

9:49 pm - 8:46 am

SJU

BWI

10h 57m

1 stop

$163Multiple Airlines

Mon, Apr 20 - Mon, Apr 27

2:58 pm - 12:43 am

BWI

SJU

8h 45m

1 stop

6:25 am - 10:42 am

SJU

BWI

4h 17mnonstop

$164Frontier

Mon, Mar 2 - Mon, Mar 9

6:20 am - 3:31 pm

BWI

SJU

8h 11m

1 stop

7:05 am - 5:47 pm

SJU

BWI

11h 42m

1 stop

$165Multiple Airlines

Tue, Feb 24 - Sat, Feb 28

6:15 am - 9:54 am

BWI

SJU

3h 39mnonstop

11:07 am - 8:48 pm

SJU

BWI

9h 41m

1 stop

$166Multiple Airlines

Tue, Apr 7 - Sat, Apr 18

6:00 am - 10:47 am

BWI

SJU

3h 47mnonstop

5:00 am - 11:17 am

SJU

BWI

6h 17m

1 stop

$167Spirit Airlines

Wed, Mar 4 - Wed, Mar 11

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 19

SJU4:11 pmSan Juan Luis Munoz Marin Intl

9h 20m

1 stop

BWI12:31 amBaltimore/Washington

$164

Frontier

Feb 21

BWI9:43 pmBaltimore/Washington

3h 42m

SJU2:25 amSan Juan Luis Munoz Marin Intl

Feb 28

SJU7:05 amSan Juan Luis Munoz Marin Intl

11h 42m

1 stop

BWI5:47 pmBaltimore/Washington

$169

Frontier

Feb 28

BWI9:43 pmBaltimore/Washington

3h 42m

SJU2:25 amSan Juan Luis Munoz Marin Intl

Mar 9

SJU9:58 pmSan Juan Luis Munoz Marin Intl

16h 26m

2 stops

BWI2:24 pmBaltimore/Washington

$173

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 13

SJU9:11 pmSan Juan Luis Munoz Marin Intl

4h 09m

BWI12:20 amBaltimore/Washington

$161

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

$162

Spirit Airlines

Feb 9

BWI4:44 pmBaltimore/Washington

5h 49m

1 stop

SJU11:33 pmSan Juan Luis Munoz Marin Intl

Feb 18

SJU9:11 pmSan Juan Luis Munoz Marin Intl

4h 09m

BWI12:20 amBaltimore/Washington

$163

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 4/24

6:50 pm-10:40 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Wed 4/29

7:53 pm-11:59 pm

Nonstop4h 06m

$158

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 3/2

6:20 am-3:31 pm

1 stop8h 11m

San Juan Luis Munoz Marin Intl

Fri 3/6

6:25 am-9:42 am

Nonstop4h 17m

$159

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Wed 2/25

4:31 pm-12:31 am

2 stops9h 00m

$160

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 3/1

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 3/11

8:11 pm-12:20 am

Nonstop4h 09m

$161

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 2/18

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 3/18

8:24 pm-12:28 am

Nonstop4h 04m

$162

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 4/20

6:50 pm-10:40 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Mon 4/27

9:49 pm-8:46 am

1 stop10h 57m

$163

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 3/2

2:58 pm-12:43 am

1 stop8h 45m

San Juan Luis Munoz Marin Intl

Mon 3/9

6:25 am-10:42 am

Nonstop4h 17m

$164

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 2/24

6:20 am-3:31 pm

1 stop8h 11m

San Juan Luis Munoz Marin Intl

Sat 2/28

7:05 am-5:47 pm

1 stop11h 42m

$165

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 4/7

6:15 am-9:54 am

Nonstop3h 39m

San Juan Luis Munoz Marin Intl

Sat 4/18

11:07 am-8:48 pm

1 stop9h 41m

$166

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 3/4

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 3/11

5:00 am-11:17 am

1 stop6h 17m

$167

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

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 $268.

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 $356. 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 $437 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 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?
As of February 2026, there are 7 operators available to choose from 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 Airlines	PriceFrom $121	Free Cancellation	Rating 6.3 8,421 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $131	Free Cancellation	Rating 5.7 3,054 reviews	Search Frontier flights
Delta	PriceFrom $138	Free Cancellation	Rating 7.9 8,162 reviews	Search Delta flights
JetBlue	PriceFrom $156	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.2 11,247 reviews	Search American Airlines flights
United Airlines	PriceFrom $235	Free Cancellation	Rating 7.4 9,245 reviews	Search United Airlines flights
Southwest	PriceFrom $345	Free Cancellation	Rating 8.0 4,280 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.

An easier way to manage your San Juan trip

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Cheap flights from Baltimore to San Juan from $78

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 2/11. 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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Frontier flights from Baltimore to San Juan

Our best Frontier deals on Baltimore to San Juan flight tickets

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How to get the cheapest flight ticket from Baltimore to San Juan

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 $268.

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 $356. 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?

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?

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.

What is the cheapest airline that flies from Baltimore/Washington to San Juan?

Frontier and Spirit Airlines are the most popular carriers operating from Baltimore/Washington to San Juan

What airlines fly to San Juan?

How often are flights from Baltimore to San Juan delayed?

Historically, on average around 25% of flights between Baltimore and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

What is the most punctual flight time for Baltimore to San Juan flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Baltimore to San Juan flights?

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

How many flights depart from Baltimore to San Juan on average per day?

2 flights are operational daily from Baltimore to San Juan as of February 2026. The most popular departure time for this route is 6:00AM, with 70% of flights per day taking off at noon.

How many flights depart from Baltimore to San Juan on average per week?

The number of flights available between Baltimore and San Juan is 19 per week as of February 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

Direct flights

Airports in San Juan

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

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

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?

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

Best airlines flying from Baltimore to San Juan

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

Why use momondo?

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

Can I find flights from Baltimore to San Juan with flexible booking policies on momondo?

How can momondo help me find flights from Baltimore to San Juan?

I’m not ready to book a flight from Baltimore to San Juan right now. Can momondo alert me if prices change?

An easier way to manage your San Juan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to San Juan

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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