$112+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SJU
Jun 12 — Jun 191
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 July or January, booked 40 days in advance, depart on a Monday or Sunday and return on a Friday
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 May 13, 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 May 13, 2026.
This deal was found by Cheapflights users on 5/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:20 pm
BWI
- SJU
1 stop10h 30m
Frontier
Sat 10/33:00 am
SJU
- BWI
1 stop6h 28m
Frontier
Deal found 5/10![Frontier logo]()
$203
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:44 pm
BWI
- SJU
Nonstop4h 00m
Frontier
Tue 8/256:41 pm
SJU
- BWI
1 stop23h 51m
Frontier
Deal found 5/9![Frontier logo]()
$224
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:44 pm
BWI
- SJU
Nonstop4h 00m
Frontier
Mon 8/314:05 pm
SJU
- BWI
1 stop17h 01m
Frontier
Deal found 5/9![Frontier logo]()
$228
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:52 pm
BWI
- SJU
1 stop21h 41m
Frontier
Wed 7/87:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/9![Frontier logo]()
$232
This eDestinos deal was found by Cheapflights users on 5/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:42 am
BWI
- SJU
1 stop14h 41m
Frontier
Sun 8/305:01 pm
SJU
- BWI
1 stop16h 38m
Frontier
Deal found 5/10![Frontier logo]()
$234
This Priceline deal was found by Cheapflights users on 5/12. 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.
Wed 9/231:55 pm
BWI
- SJU
1 stop9h 43m
Frontier
Tue 9/295:12 pm
SJU
- BWI
1 stop19h 48m
Frontier
Deal found 5/12![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 5/12. 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.
Sat 8/89:28 pm
BWI
- SJU
1 stop10h 29m
Frontier
Wed 8/127:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/12![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 5/10. 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.
Mon 8/106:36 am
BWI
- SJU
1 stop7h 40m
Frontier
Thu 8/206:25 am
SJU
- BWI
1 stop11h 42m
Frontier
Deal found 5/10![Frontier logo]()
$240
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:44 pm
BWI
- SJU
Nonstop4h 03m
Frontier
Sun 8/169:24 am
SJU
- BWI
1 stop23h 40m
Frontier
Deal found 5/9![Frontier logo]()
$242
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:49 am
BWI
- SJU
1 stop14h 52m
Frontier
Tue 7/286:00 am
SJU
- BWI
1 stop6h 15m
Frontier
Deal found 5/9![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 5/12. 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.
Sun 8/28:44 pm
BWI
- SJU
Nonstop4h 03m
Frontier
Wed 8/127:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/12![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 9/241:55 pm
BWI
- SJU
1 stop9h 43m
Frontier
Wed 10/145:12 pm
SJU
- BWI
1 stop19h 48m
Frontier
Deal found 5/8![Frontier logo]()
$245
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 May 13, 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 May 13, 2026.
This Southwest deal was found by Cheapflights users on 5/10. 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 8/89:15 am
BWI
- SJU
2 stops10h 05m
Southwest
Fri 8/146:00 am
SJU
- BWI
2 stops9h 35m
Southwest
Deal found 5/10![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 5/12. 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 5/235:50 pm
BWI
- SJU
1 stop5h 50m
Southwest
Wed 5/277:00 pm
SJU
- BWI
1 stop13h 25m
Southwest
Deal found 5/12![Southwest logo]()
$533
This Southwest deal was found by Cheapflights users on 5/8. 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 7/261:10 pm
BWI
- SJU
2 stops10h 40m
Southwest
Fri 7/317:00 am
SJU
- BWI
2 stops10h 40m
Southwest
Deal found 5/8![Southwest logo]()
$576
This Southwest deal was found by Cheapflights users on 5/12. 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 6/1911:10 am
BWI
- SJU
2 stops10h 20m
Southwest
Mon 6/227:00 am
SJU
- BWI
2 stops10h 40m
Southwest
Deal found 5/12![Southwest logo]()
$576
This Southwest deal was found by Cheapflights users on 5/12. 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 5/163:00 pm
BWI
- SJU
2 stops8h 45m
Southwest
Sun 5/248:00 am
SJU
- BWI
2 stops8h 45m
Southwest
Deal found 5/12![Southwest logo]()
$580
This Southwest deal was found by Cheapflights users on 5/10. 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 6/33:05 pm
BWI
- SJU
2 stops8h 35m
Southwest
Mon 6/87:00 am
SJU
- BWI
2 stops10h 40m
Southwest
Deal found 5/10![Southwest logo]()
$622
This Southwest deal was found by Cheapflights users on 5/8. 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 5/249:30 am
BWI
- SJU
2 stops9h 30m
Southwest
Wed 5/277:00 pm
SJU
- BWI
1 stop13h 25m
Southwest
Deal found 5/8![Southwest logo]()
$667
This Southwest deal was found by Cheapflights users on 5/12. 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 8/21:10 pm
BWI
- SJU
2 stops9h 25m
Southwest
Sun 8/910:05 am
SJU
- BWI
2 stops7h 50m
Southwest
Deal found 5/12![Southwest logo]()
$668
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 6/44:30 pm
BWI
- SJU
1 stop7h 35m
Southwest
Mon 6/87:00 am
SJU
- BWI
2 stops10h 40m
Southwest
Deal found 5/11![Southwest logo]()
$677
This Southwest deal was found by Cheapflights users on 5/12. 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 5/233:00 pm
BWI
- SJU
2 stops8h 40m
Southwest
Tue 5/265:35 am
SJU
- BWI
2 stops11h 00m
Southwest
Deal found 5/12![Southwest logo]()
$677
This Southwest deal was found by Cheapflights users on 5/9. 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 5/229:40 pm
BWI
- SJU
1 stop11h 15m
Southwest
Wed 5/273:15 pm
SJU
- BWI
Nonstop4h 20m
Southwest
Deal found 5/9![Southwest logo]()
$699
Last-minute flights from Baltimore to San JuanDiscover last-minute flight deals from Baltimore to San Juan. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Juan. Data last updated May 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/11. 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.
Sat 5/308:44 pm
BWI
- SJU
Nonstop3h 57m
Frontier
Wed 6/107:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/11![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Fri 6/510:38 am
BWI
- SJU
1 stop13h 21m
Frontier
Fri 6/123:35 pm
SJU
- BWI
Nonstop4h 14m
Frontier
Deal found 5/13![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 5/10. 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.
Tue 6/98:44 pm
BWI
- SJU
Nonstop4h 00m
Frontier
Wed 6/107:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/10![Frontier logo]()
$278
This Super.com deal was found by Cheapflights users on 5/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:27 am
BWI
- SJU
1 stop13h 10m
Frontier
Wed 6/178:50 am
SJU
- BWI
1 stop10h 17m
Frontier
Deal found 5/9![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 5/11. 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.
Sat 6/139:51 pm
BWI
- SJU
1 stop10h 04m
Frontier
Wed 6/178:50 am
SJU
- BWI
1 stop10h 17m
Frontier
Deal found 5/11![Frontier logo]()
$256
This Priceline deal was found by Cheapflights users on 5/12. 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.
Mon 6/297:27 pm
BWI
- SJU
1 stop28h 48m
Frontier
Fri 7/107:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/12![Frontier logo]()
$276
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:52 pm
BWI
- SJU
1 stop21h 41m
Frontier
Wed 7/87:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/9![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/307:52 pm
BWI
- SJU
1 stop21h 41m
Frontier
Thu 7/96:00 am
SJU
- BWI
1 stop6h 15m
Frontier
Deal found 5/11![Frontier logo]()
$263
This Trip.com deal was found by Cheapflights users on 5/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:52 pm
BWI
- SJU
1 stop21h 41m
Frontier
Tue 7/77:30 am
SJU
- BWI
1 stop11h 02m
Frontier
Deal found 5/10![Frontier logo]()
$267
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 May 13, 2026.
Search for one-way flight options from Baltimore to San Juan. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This eDestinos deal was found by Cheapflights users on 5/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:52 pm
BWI
- SJU
1 stop21h 41m
Frontier
Deal found 5/8![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:28 pm
BWI
- SJU
1 stop10h 29m
Frontier
Deal found 5/12![Frontier logo]()
$115
This Expedia deal was found by Cheapflights users on 5/12. 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.
Tue 7/1411:30 am
BWI
- SJU
1 stop13h 11m
Frontier
Deal found 5/12![Frontier logo]()
$118
This Expedia deal was found by Cheapflights users on 5/12. 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.
Mon 5/187:29 pm
BWI
- SJU
Nonstop3h 59m
Frontier
Deal found 5/12![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:44 pm
BWI
- SJU
Nonstop4h 03m
Frontier
Deal found 5/13![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 7/259:49 am
BWI
- SJU
1 stop14h 52m
Frontier
Deal found 5/11![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:44 pm
BWI
- SJU
Nonstop4h 00m
Frontier
Deal found 5/11![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:27 pm
BWI
- SJU
1 stop28h 48m
Frontier
Deal found 5/12![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:05 pm
BWI
- SJU
1 stop25h 29m
Frontier
Deal found 5/9![Frontier logo]()
$127
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 May 13, 2026.
Round-trip from | $203 |
|---|---|
One-way from | $112 (eDestinos) |
Popular in | December |
Cheapest in | July |
Average price | $308 |
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 2,558,603 searches. Data last updated May 13, 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
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sat 8/8
9:15 am-7:20 pm
2 stops10h 05m
San Juan Luis Munoz Marin Intl
Fri 8/14
6:00 am-3:35 pm
2 stops9h 35m
$399
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sat 5/23
5:50 pm-11:40 pm
1 stop5h 50m
San Juan Luis Munoz Marin Intl
Wed 5/27
7:00 pm-8:25 am
1 stop13h 25m
$533
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sun 7/26
1:10 pm-11:50 pm
2 stops10h 40m
San Juan Luis Munoz Marin Intl
Fri 7/31
7:00 am-5:40 pm
2 stops10h 40m
$576
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Fri 6/19
11:10 am-9:30 pm
2 stops10h 20m
San Juan Luis Munoz Marin Intl
Mon 6/22
7:00 am-5:40 pm
2 stops10h 40m
$576
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sat 5/16
3:00 pm-11:45 pm
2 stops8h 45m
San Juan Luis Munoz Marin Intl
Sun 5/24
8:00 am-4:45 pm
2 stops8h 45m
$580
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Wed 6/3
3:05 pm-11:40 pm
2 stops8h 35m
San Juan Luis Munoz Marin Intl
Mon 6/8
7:00 am-5:40 pm
2 stops10h 40m
$622
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sun 5/24
9:30 am-7:00 pm
2 stops9h 30m
San Juan Luis Munoz Marin Intl
Wed 5/27
7:00 pm-8:25 am
1 stop13h 25m
$667
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sun 8/2
1:10 pm-10:35 pm
2 stops9h 25m
San Juan Luis Munoz Marin Intl
Sun 8/9
10:05 am-5:55 pm
2 stops7h 50m
$668
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Thu 6/4
4:30 pm-12:05 am
1 stop7h 35m
San Juan Luis Munoz Marin Intl
Mon 6/8
7:00 am-5:40 pm
2 stops10h 40m
$677
BaltimoreSan Juan
BWI - SJU
BWISJU
Baltimore/Washington
Sat 5/23
3:00 pm-11:40 pm
2 stops8h 40m
San Juan Luis Munoz Marin Intl
Tue 5/26
5:35 am-4:35 pm
2 stops11h 00m
$677
Showing 1-10 of 20 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
How far ahead should I book a flight from Baltimore to San Juan?
Booking 31 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, May is the cheapest month in which you can book a flight from Baltimore to San Juan (average of $66). Flying from Baltimore to San Juan in July is currently the most expensive (average of $614). 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 May 13, 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 23% 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 May 9, 2026.
Travelers seeking maximum savings on their Baltimore to San Juan flight should consider departing on Friday at noon when fares are most often at their lowest. Friday evenings 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 27% 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?
Wednesday tends to have the lowest number of delays on this route, whereas Monday 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 22% 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 May 13, 2026.
See what other customers who have flown with Southwest,JetBlue, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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Alternative routes for Baltimore to San Juan
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Baltimore and San Juan flights
Browse other Baltimore and San Juan flight options. Last updated on May 13, 2026.
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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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$275 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$143 | Average$336 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$146 | Average$374 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$455 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$460 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$247 | Average$685 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$535 | FlexibilityNo cancel fee | On-time63% |