$80+ Cheap flights from Baltimore (BWI) to San Juan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Baltimore to San Juan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to San Juan
Cheapest flights from Baltimore to San JuanExplore the most affordable flight options available from Baltimore to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
Explore the most affordable flight options available from Baltimore to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.
This Expedia deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Priceline deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from Baltimore to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.
Round-trip from | $170 (Travelocity) |
|---|---|
One-way from | $80 (eDestinos) |
Popular in | December |
Cheapest in | March |
Average price | $290 |
Cheapflights Fare Finder
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 2/9
10:05 am-12:36 am
2 stops13h 31m
San Juan Luis Munoz Marin Intl
Tue 2/10
7:45 am-4:06 pm
1 stop9h 21m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Mon 2/2
10:05 am-12:36 am
2 stops13h 31m
San Juan Luis Munoz Marin Intl
Wed 2/4
2:05 am-2:11 pm
2 stops13h 06m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Wed 4/22
6:00 am-8:38 pm
2 stops14h 38m
San Juan Luis Munoz Marin Intl
Tue 4/28
1:00 am-2:32 pm
2 stops13h 32m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sun 2/8
10:05 am-9:00 pm
1 stop9h 55m
San Juan Luis Munoz Marin Intl
Tue 2/10
2:05 am-2:11 pm
2 stops13h 06m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sat 2/28
5:20 pm-6:11 am
2 stops11h 51m
San Juan Luis Munoz Marin Intl
Wed 3/4
2:05 am-2:06 pm
2 stops13h 01m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Mon 4/27
6:00 am-2:44 pm
1 stop8h 44m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:00 am-2:13 pm
2 stops13h 13m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sun 2/22
6:07 am-4:36 pm
1 stop9h 29m
San Juan Luis Munoz Marin Intl
Tue 2/24
2:05 am-2:01 pm
2 stops12h 56m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Tue 2/24
10:30 am-12:36 am
2 stops13h 06m
San Juan Luis Munoz Marin Intl
Thu 2/26
2:05 am-2:01 pm
2 stops12h 56m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Tue 3/31
6:00 am-8:38 pm
2 stops14h 38m
San Juan Luis Munoz Marin Intl
Wed 4/8
1:00 am-2:32 pm
2 stops13h 32m
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sat 1/31
10:05 am-12:36 am
2 stops13h 31m
San Juan Luis Munoz Marin Intl
Fri 2/6
7:45 am-4:06 pm
1 stop9h 21m
Best time to book a flight from Baltimore to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Baltimore with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to San Juan
How far ahead should I book a flight from Baltimore to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Baltimore to San Juan. Price data was last updated on January 23, 2026.
Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Baltimore to San Juan?
Currently, January is the cheapest month in which you can book a flight from Baltimore to San Juan (average of $81). Flying from Baltimore to San Juan in December is currently the most expensive (average of $166). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BWI to SJU?
Find hourly flight availability from Baltimore to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.
A simple way to save on the total cost of your ticket is to fly from Baltimore to San Juan in the afternoon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Baltimore to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Baltimore to San Juan. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Baltimore to San Juan flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Baltimore to San Juan?
How often are flights from Baltimore to San Juan delayed?
About 25% of weekly flights between Baltimore and San Juan have experienced delays in the past year, with the average delay time being 138 minutes.
What is the most punctual flight time for Baltimore to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Baltimore to San Juan flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 20% of flights being delayed.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated January 27, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from Baltimore to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Food
Overall
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Food
Overall
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Food
Overall
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Food
Overall
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Food
Overall
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Food
Overall
Comfort
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Baltimore to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Baltimore to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Baltimore to San Juan
Discover the top 7 airlines that operate flights from Baltimore to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$121 | Average$252 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$131 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$156 | Average$376 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$225 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$347 | Average$495 | FlexibilityNo cancel fee | On-time63% |