Cheap Flights from Boston, MA to San Juan from $51
Return flight: San Juan – Boston
On Cheapflightsplus.com you will find 3 direct and 261 connecting flights from Boston to San Juan. You can compare airfare deals from 4 airlines and multiple travel sites from $51, book and save on cheap plane tickets and last minute offers. Also check out BOS-SJU flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Boston to San Juan Flight Deals
To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights».
To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight.
Cheapest flights in November: $51 (one-way), $87 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Boston to San Juan Today
Take a look at the list of non stop flights and flights with layovers from Boston to San Juan with the lowest price of $51. The fastest direct flight takes 3h 58m and the fastest connecting – 6h 10m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $51 | 09:27 Boston Logan | 14:25 San Juan Luis Munoz Marin Intl | 3h 58m | Frontier Airlines | F93001 |
| from $160 | 12:43 Boston Logan | 17:53 San Juan Luis Munoz Marin Intl | 4h 10m | Spirit Airlines | NK934 |
| from $589 | 21:30 Boston Logan | 02:47+1 день San Juan Luis Munoz Marin Intl | 4h 17m | Spirit Airlines | NK2324 |
| from $60 | 12:25 Boston Logan | 20:47 San Juan Luis Munoz Marin Intl | 7h 22m layover 1h 53m - Philadelphia | Frontier Airlines | F93011 F91166 |
| from $69 | 09:45 Boston Logan | 12:05+1 день San Juan Luis Munoz Marin Intl | 25h 20m layover 18h 41m - Orlando | Frontier Airlines | F91977 F92250 |
| from $73 | 10:00 Boston Logan | 19:48 San Juan Luis Munoz Marin Intl | 8h 48m layover 2h 31m - Orlando | Spirit Airlines | NK793 NK1687 |
| from $73 | 06:00 Boston Logan | 19:48 San Juan Luis Munoz Marin Intl | 12h 48m layover 6h 28m - Orlando | Spirit Airlines | NK2990 NK1687 |
| from $73 | 06:00 Boston Logan | 00:33+1 день San Juan Luis Munoz Marin Intl | 17h 33m layover 11h 12m - Orlando | Spirit Airlines | NK2990 NK1761 |
| from $91 | 06:00 Boston Logan | 15:15 San Juan Luis Munoz Marin Intl | 8h 15m layover 1h 29m - Atlanta | Frontier Airlines | F93511 F92082 |
| from $92 | 12:11 Boston Logan | 19:49 San Juan Luis Munoz Marin Intl | 6h 38m layover 0h 40m - Miami | Spirit Airlines | NK2887 NK261 |
| from $92 | 10:23 Boston Logan | 19:49 San Juan Luis Munoz Marin Intl | 8h 26m layover 2h 27m - Miami | Spirit Airlines | NK1988 NK261 |
| from $92 | 06:00 Boston Logan | 19:49 San Juan Luis Munoz Marin Intl | 12h 49m layover 6h 48m - Miami | Spirit Airlines | NK296 NK261 |
| from $95 | 09:45 Boston Logan | 03:03+1 день San Juan Luis Munoz Marin Intl | 16h 18m layover 9h 46m - Orlando | Frontier Airlines | F91977 F94726 |
| from $97 | 19:31 Boston Logan | 03:34+1 день San Juan Luis Munoz Marin Intl | 7h 3m layover 1h 40m - Baltimore | Spirit Airlines | NK935 NK3123 |
| from $97 | 14:18 Boston Logan | 22:30 San Juan Luis Munoz Marin Intl | 7h 12m layover 0h 57m - Orlando | Spirit Airlines | NK502 NK3163 |
| from $97 | 16:37 Boston Logan | 01:24+1 день San Juan Luis Munoz Marin Intl | 7h 47m layover 1h 9m - Atlanta | Spirit Airlines | NK1460 NK843 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 04, 2025
Flight Schedule Boston (Massachusetts) to San Juan
Full flight schedule will help you in detecting at what time planes fly from Boston to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
| Departure | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
09:27 — 14:25
|
09:27 — 14:25
F93001
Frontier Airlines
Boston — San Juan
|
3h 58m |
Find flight
from$51 |
|
|
12:43 — 17:53
|
12:43 — 17:53
NK934
Spirit Airlines
Boston — San Juan
|
4h 10m |
Find flight
from$160 |
|
|
21:30 — 02:47
+1 day
|
21:30 — 02:47
NK2324
Spirit Airlines
Boston — San Juan
|
4h 17m |
Find flight
from$589 |
|
|
06:00 — 19:48
|
06:00 — 09:32
NK2990
Spirit Airlines
Boston — Orlando
6h 28m stop
16:00 — 19:48
NK1687
Spirit Airlines
Orlando — San Juan
|
12h 48m including layover |
Find flight
from$73 |
|
|
06:00 — 00:33
+1 day
|
06:00 — 09:32
NK2990
Spirit Airlines
Boston — Orlando
11h 12m stop
20:44 — 00:33
NK1761
Spirit Airlines
Orlando — San Juan
|
17h 33m including layover |
Find flight
from$73 |
|
|
07:30 — 14:40
|
07:30 — 08:58
UA570
United Airlines
Boston — Newark
49m stop
09:47 — 14:40
UA1556
United Airlines
Newark — San Juan
|
6h 10m including layover |
Find flight
from$190 |
|
|
08:00 — 19:10
|
08:00 — 11:28
NK2206
Spirit Airlines
Boston — Orlando
3h 52m stop
15:20 — 19:10
NK3163
Spirit Airlines
Orlando — San Juan
|
10h 10m including layover |
Find flight
from$135 |
|
|
08:15 — 01:20
+1 day
|
08:15 — 09:47
F92167
Frontier Airlines
Boston — Philadelphia
10h 28m stop
20:15 — 01:20
F94462
Frontier Airlines
Philadelphia — San Juan
|
16h 5m including layover |
Find flight
from$101 |
|
|
09:45 — 12:05
+1 day
|
06:00 — 09:31
F91977
Frontier Airlines
Boston — Orlando
18h 41m stop
06:15 — 10:10
F92250
Frontier Airlines
Orlando — San Juan
|
25h 20m including layover |
Find flight
from$69 |
|
|
10:00 — 19:48
|
10:00 — 13:29
NK793
Spirit Airlines
Boston — Orlando
2h 31m stop
16:00 — 19:48
NK1687
Spirit Airlines
Orlando — San Juan
|
8h 48m including layover |
Find flight
from$73 |
|
|
10:00 — 00:33
+1 day
|
10:00 — 13:29
NK793
Spirit Airlines
Boston — Orlando
7h 15m stop
20:44 — 00:33
NK1761
Spirit Airlines
Orlando — San Juan
|
13h 33m including layover |
Find flight
from$73 |
|
|
11:05 — 20:45
|
10:56 — 13:36
NK2062
Spirit Airlines
Boston — New Orleans
1h 3m stop
15:52 — 21:49
NK1646
Spirit Airlines
New Orleans — San Juan
|
8h 40m including layover |
Find flight
from$98 |
|
|
11:15 — 20:18
|
06:00 — 08:09
F93057
Frontier Airlines
Boston — Raleigh
2h 25m stop
20:22 — 00:49
F91226
Frontier Airlines
Raleigh — San Juan
|
8h 3m including layover |
Find flight
from$97 |
|
|
12:25 — 20:47
|
12:25 — 14:00
F93011
Frontier Airlines
Boston — Philadelphia
1h 53m stop
08:00 — 12:50
F91166
Frontier Airlines
Philadelphia — San Juan
|
7h 22m including layover |
Find flight
from$60 |
|
|
12:36 — 01:20
+1 day
|
12:17 — 13:53
F93011
Frontier Airlines
Boston — Philadelphia
6h 7m stop
23:59 — 04:47
F94462
Frontier Airlines
Philadelphia — San Juan
|
11h 44m including layover |
Find flight
from$68 |
|
|
13:29 — 22:30
|
14:18 — 17:43
NK502
Spirit Airlines
Boston — Orlando
1h 45m stop
21:51 — 01:40
NK3397
Spirit Airlines
Orlando — San Juan
|
8h 1m including layover |
Find flight
from$98 |
|
|
14:00 — 00:36
+1 day
|
13:53 — 15:30
UA2454
United Airlines
Boston — Newark
4h 5m stop
19:41 — 00:36
UA1543
United Airlines
Newark — San Juan
|
9h 36m including layover |
Find flight
from$189 |
|
|
14:18 — 22:30
|
14:18 — 17:43
NK502
Spirit Airlines
Boston — Orlando
57m stop
18:40 — 22:30
NK3163
Spirit Airlines
Orlando — San Juan
|
7h 12m including layover |
Find flight
from$97 |
|
|
16:20 — 23:38
|
16:20 — 17:57
NK1376
Spirit Airlines
Boston — Baltimore
55m stop
18:52 — 23:38
NK1377
Spirit Airlines
Baltimore — San Juan
|
6h 18m including layover |
Find flight
from$136 |
|
|
16:37 — 01:24
+1 day
|
16:37 — 19:41
NK1460
Spirit Airlines
Boston — Atlanta
1h 9m stop
20:50 — 01:24
NK843
Spirit Airlines
Atlanta — San Juan
|
7h 47m including layover |
Find flight
from$97 |
|
|
19:24 — 11:18
+1 day
|
19:24 — 22:55
NK870
Spirit Airlines
Boston — Orlando
8h 36m stop
07:31 — 11:18
NK1687
Spirit Airlines
Orlando — San Juan
|
14h 54m including layover |
Find flight
from$98 |
|
|
19:31 — 03:34
+1 day
|
19:31 — 21:10
NK935
Spirit Airlines
Boston — Baltimore
1h 40m stop
22:50 — 03:34
NK3123
Spirit Airlines
Baltimore — San Juan
|
7h 3m including layover |
Find flight
from$97 |
|
|
20:30 — 09:47
+1 day
|
16:17 — 19:46
NK2071
Spirit Airlines
Boston — Orlando
6h 1m stop
06:19 — 10:07
NK3159
Spirit Airlines
Orlando — San Juan
|
12h 17m including layover |
Find flight
from$98 |
|
|
05:05 — 20:22
|
05:05 — 08:34
NK1908
Spirit Airlines
Boston — Tampa
2h 47m stop
11:21 — 12:29
NK2055
Spirit Airlines
Tampa — Miami
4h 27m stop
16:56 — 20:22
NK261
Spirit Airlines
Miami — San Juan
|
14h 17m including layover |
Find flight
from$190 |
|
|
05:45 — 20:55
|
05:45 — 07:29
UA1734
United Airlines
Boston — Washington D.C.
1h 6m stop
08:35 — 09:49
UA672
United Airlines
Washington D.C. — Chicago
4h 31m stop
14:20 — 20:55
UA695
United Airlines
Chicago — San Juan
|
14h 10m including layover |
Find flight
from$189 |
|
|
07:40 — 23:40
|
07:40 — 09:50
NK174
Spirit Airlines
Boston — Chicago
3h 19m stop
13:09 — 16:57
NK1146
Spirit Airlines
Chicago — Orlando
2h 53m stop
19:50 — 23:40
NK3163
Spirit Airlines
Orlando — San Juan
|
15h including layover |
Find flight
from$143 |
|
*Departure and arrival times - local. Updated on April 4, 2025
Flight Information
Below we will explain in detail what the flights cost on the destination from Boston to San Juan depends on and how to choose the most interesting flight option for you.
Distance between Boston and San Juan is 2702 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 21:54 from 4 Boston airports and arrive 05:00 to 21:54 to 2 San Juan airports. Average flight time is 4h 10m.
- The fastest flight 3h 58m
- Average flight time 4h 10m
- The earliest flight 05:00
- The latest flight 21:54
- Distance 1679 ml
The cheapest months to travel to San Juan are february (from 51 $), november (from 54 $), january (from 58 $).
The most expensive months are december (from 91 $), january (from 58 $), november (from 54 $).
What is the lowest airfare Boston to San Juan?
The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way F93001 flight by Frontier Airlines for February 1, 2025 which leaves Logan in Boston at 09:27 am and arrives at San Juan Luis Munoz Marin Intl at 14:25.
Economy class
$51
Business class
?
First class
?
Popular Airlines on the Route
The flight Boston — San Juan is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 6 departures per week at the price of from $ 584 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1652.
Direct flights
There are 3 nonstop flights on the route. The fastest direct flight is F93001 by Frontier Airlines takes 3h 58m and the cheapest is F93001 by Frontier Airlines for $51.
- F9 - Frontier Airlinesfrom $51Find
- NK - Spirit Airlinesfrom $160Find
See more direct flights
Connecting Flights
There are 261 flights with layovers on the route. The fastest connecting flight is UA570 by United Airlines takes 6h 10m and the cheapest is F93001 by Frontier Airlines for $60.
- AS - Alaska Airlinesfrom $584Find
- F9 - Frontier Airlinesfrom $60Find
- UA - United Airlinesfrom $189Find
- NK - Spirit Airlinesfrom $73Find
See more connecting flights
Airports
You can fly from Boston to San Juan from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).
Boston airports
- Boston City Heliport-JBCFind
- Boston RT128 Rail-ZRUFind
- Boston South Rail-ZTOFind
- Logan-BOSfrom $51Find
San Juan airports
- Isla Grande-SIGFind
- Luis Munoz Marin Intl-SJUFind
Airplanes
There are flights to San Juan from Boston by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Boston
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Top International Destinations from Boston
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
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- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
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