$126+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SJU
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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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.Cheapflights Tip: The best prices from Baltimore/Washington to San Juan are usually found in February or January, booked 79 days in advance, depart on a Monday or Sunday and return on a Thursday
Cheap flight deals from Baltimore to San Juan
Cheapest
Best
Last-minute
One-way
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 August 25, 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 August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Tue 9/229:21 pm -
Nonstop3h 54m
Sun 9/2710:42 am -
2 stops46h 43m
Deal found 8/24![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:18 pm -
Nonstop4h 02m
Sat 9/52:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:18 pm -
Nonstop4h 02m
Fri 9/42:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:18 pm -
Nonstop4h 02m
Fri 9/42:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:18 pm -
Nonstop4h 02m
Wed 9/22:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Mon 9/2110:48 am -
1 stop15h 25m
Mon 9/287:00 am -
1 stop30h 00m
Deal found 8/22![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Wed 9/2310:22 am -
2 stops27h 56m
Thu 10/84:24 pm -
Nonstop4h 02m
Deal found 8/24![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sun 9/209:21 pm -
Nonstop3h 54m
Sat 9/267:00 am -
1 stop7h 11m
Deal found 8/24![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Wed 9/236:38 am -
1 stop8h 41m
Sun 10/114:24 pm -
Nonstop4h 02m
Deal found 8/24![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 8/24. 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.
Thu 9/249:21 pm -
Nonstop3h 54m
Tue 10/134:24 pm -
Nonstop4h 02m
Deal found 8/24![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Tue 8/251:20 pm -
1 stop26h 51m
Sat 8/292:14 pm -
Nonstop4h 09m
Deal found 8/22![Frontier logo]()
$249
Best flights from Baltimore to San JuanDiscover carefully curated flight deals from Baltimore to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Baltimore to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:05 pm -
Nonstop4h 05m
Fri 10/235:30 am -
Nonstop4h 10m
Deal found 8/24![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3010:45 am -
2 stops12h 51m
Mon 2/12:05 am -
2 stops12h 52m
Deal found 8/21![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:00 pm -
Nonstop4h 05m
Mon 11/25:35 am -
1 stop6h 15m
Deal found 8/22![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 am -
Nonstop4h 20m
Mon 9/285:30 am -
Nonstop4h 05m
Deal found 8/24![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 8/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:45 pm -
Nonstop4h 10m
Mon 9/285:30 am -
Nonstop4h 05m
Deal found 8/23![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 am -
2 stops8h 15m
Sun 9/206:35 am -
2 stops7h 50m
Deal found 8/20![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:00 pm -
Nonstop4h 05m
Mon 10/125:00 am -
1 stop7h 35m
Deal found 8/21![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 pm -
Nonstop4h 05m
Mon 10/265:30 am -
Nonstop4h 10m
Deal found 8/21![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:15 pm -
2 stops9h 50m
Mon 9/146:30 am -
2 stops7h 50m
Deal found 8/21![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:05 pm -
1 stop12h 55m
Sun 12/66:05 am -
2 stops11h 45m
Deal found 8/22![Southwest logo]()
$406
Last-minute flights from Baltimore to San JuanDiscover last-minute flight deals from Baltimore to San Juan. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Juan. Data last updated August 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Tue 8/251:20 pm -
1 stop26h 51m
Sat 8/292:14 pm -
Nonstop4h 09m
Deal found 8/22![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:18 pm -
Nonstop4h 02m
Sat 9/52:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:18 pm -
Nonstop4h 02m
Fri 9/42:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:18 pm -
Nonstop4h 02m
Wed 9/22:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:18 pm -
Nonstop4h 02m
Sat 9/52:14 pm -
Nonstop4h 09m
Deal found 8/25![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sun 9/209:21 pm -
Nonstop3h 54m
Sat 9/267:00 am -
1 stop7h 11m
Deal found 8/24![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Mon 9/2110:48 am -
1 stop15h 25m
Mon 9/287:00 am -
1 stop30h 00m
Deal found 8/22![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Tue 9/229:21 pm -
Nonstop3h 54m
Sun 9/2710:42 am -
2 stops46h 43m
Deal found 8/24![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Wed 9/2310:22 am -
2 stops27h 56m
Thu 10/84:24 pm -
Nonstop4h 02m
Deal found 8/24![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Wed 9/236:38 am -
1 stop8h 41m
Sun 10/114:24 pm -
Nonstop4h 02m
Deal found 8/24![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 8/24. 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.
Thu 9/249:21 pm -
Nonstop3h 54m
Tue 10/134:24 pm -
Nonstop4h 02m
Deal found 8/24![Frontier logo]()
$248
One-way flights from Baltimore to San JuanSearch for one-way flight options from Baltimore to San Juan. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Baltimore to San Juan. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sun 9/209:21 pm -
Nonstop3h 54m
Deal found 8/24![Frontier logo]()
$126
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:18 pm -
Nonstop4h 02m
Deal found 8/21![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/216:00 am -
2 stops35h 43m
Deal found 8/24![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Tue 9/221:55 pm -
1 stop25h 22m
Deal found 8/24![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 9/1410:48 am -
1 stop15h 25m
Deal found 8/21![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 9/1910:22 am -
2 stops28h 54m
Deal found 8/21![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Mon 10/199:12 pm -
2 stops17h 04m
Deal found 8/21![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Thu 9/2410:22 am -
2 stops15h 30m
Deal found 8/24![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 10/2210:22 am -
2 stops13h 46m
Deal found 8/23![Frontier logo]()
$137
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 August 25, 2026.
Round-trip from | $238 (Frontier) |
|---|---|
One-way from | $126 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $331 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated August 25, 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
Cheapest round-trip
Quickest round-trip
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Sun 10/18
8:05 pm-12:10 am
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Fri 10/23
5:30 am-9:40 am
Nonstop4h 10m
$295
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 10/30
8:00 pm-12:05 am
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Mon 11/2
5:35 am-10:50 am
1 stop6h 15m
$300
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Sat 9/26
8:50 am-1:10 pm
Nonstop4h 20m
San Juan Luis Munoz Marin Intl
Mon 9/28
5:30 am-9:35 am
Nonstop4h 05m
$346
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 9/25
6:45 pm-10:55 pm
Nonstop4h 10m
San Juan Luis Munoz Marin Intl
Mon 9/28
5:30 am-9:35 am
Nonstop4h 05m
$346
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Wed 9/16
8:10 am-4:25 pm
2 stops8h 15m
San Juan Luis Munoz Marin Intl
Sun 9/20
6:35 am-2:25 pm
2 stops7h 50m
$355
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Mon 10/5
8:00 pm-12:05 am
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Mon 10/12
5:00 am-12:35 pm
1 stop7h 35m
$380
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 10/23
8:00 pm-12:05 am
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Mon 10/26
5:30 am-9:40 am
Nonstop4h 10m
$390
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Sat 1/30
10:45 am-12:36 am
2 stops12h 51m
San Juan Luis Munoz Marin Intl
Mon 2/1
2:05 am-1:57 pm
2 stops12h 52m
$394
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Wed 9/9
12:15 pm-10:05 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Mon 9/14
6:30 am-2:20 pm
2 stops7h 50m
$395
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 12/4
8:05 pm-10:00 am
1 stop12h 55m
San Juan Luis Munoz Marin Intl
Sun 12/6
6:05 am-4:50 pm
2 stops11h 45m
$406
Showing 1-10 of 21 resultsSorted by cheapest first
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.
BWI-PR1
BWI-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to San Juan
BWI-PR1
BWI-SJU
What is the cheapest month to book a flight from Baltimore to San Juan?
Currently, February is the cheapest month in which you can book a flight from Baltimore to San Juan (average of $285). Flying from Baltimore to San Juan in December is currently the most expensive (average of $465). 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 August 25, 2026.
A simple way to save on the total cost of your ticket is to fly from Baltimore to San Juan at noon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.
Weekly flight availability from Baltimore to San Juan
Explore weekly flight availability from Baltimore to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 25, 2026.
The most flights from BWI to PR1 are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Baltimore to San Juan?
Airfare is below average for this route at the moment.
Baltimore to San Juan flights typically cost between $280 and $409 in September.The cheapest round-trip price found within the last 5 days was $238 on Frontier (Sep 15-Oct 13).
How often are flights from Baltimore to San Juan delayed?
About 27% of weekly flights between Baltimore and San Juan have experienced delays in the past year, with the average delay time being 137 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?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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 21% of flights being delayed.
How far ahead should I book a flight from Baltimore to San Juan?
Booking 78 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 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 August 22, 2026.
Travelers seeking maximum savings on their Baltimore to San Juan flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 25, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
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.
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Baltimore and San Juan flights
Browse other Baltimore and San Juan flight options. Last updated on August 25, 2026.
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Top 6 airlines flying from Baltimore to San Juan
Discover the top 6 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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$748 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$460 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$365 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$346 | Average$544 | FlexibilityNo cancel fee | On-time63% |