
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $298 (Cheapflightsfares) |
One-way from | $147 (SmartFares) |
Popular in | December |
Cheapest in | January |
Average price | $364 |
Good round-trip deal | $379 or less |
Good one-way deal | $193 or less |
Fly from
Fly to
Route
Depart
Return
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Thu 8/27
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Thu 9/3
2:10 pm-6:21 pm
Nonstop4h 11m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Sun 8/16
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Thu 8/20
2:10 pm-6:21 pm
Nonstop4h 11m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Thu 8/13
6:05 am-4:33 pm
1 stop10h 28m
San Juan Luis Munoz Marin Intl
Mon 8/17
2:10 pm-6:21 pm
Nonstop4h 11m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Fri 8/14
1:34 pm-11:52 pm
1 stop10h 18m
San Juan Luis Munoz Marin Intl
Mon 8/17
2:10 pm-6:21 pm
Nonstop4h 11m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Sat 8/8
6:05 am-4:33 pm
1 stop10h 28m
San Juan Luis Munoz Marin Intl
Sat 8/15
5:49 pm-1:25 am
1 stop7h 36m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Tue 9/1
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Fri 9/4
2:10 pm-6:21 pm
Nonstop4h 11m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Fri 8/21
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Mon 8/24
2:10 pm-6:21 pm
Nonstop4h 11m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Wed 8/19
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Sat 8/22
5:49 pm-1:25 am
1 stop7h 36m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Wed 8/19
6:00 am-8:38 pm
2 stops14h 38m
San Juan Luis Munoz Marin Intl
Tue 8/25
7:00 am-11:35 pm
2 stops16h 35m
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Thu 8/13
12:40 pm-11:05 pm
2 stops10h 25m
San Juan Luis Munoz Marin Intl
Tue 8/18
6:00 am-12:40 pm
1 stop6h 40m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Boston to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, January is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of $270). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $386). 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.
A simple way to save on the total cost of your ticket is to fly from Boston to San Juan Luis Munoz Marin Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Boston to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Friday afternoons 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.
About 25% of weekly flights between Boston and San Juan have experienced delays in the past year, with the average delay time being 153 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
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.
Over the last year, Delta have had the lowest number of delays on this route, with just 18% of flights being delayed.
Comfort
Food
Entertainment
Overall
Boarding
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Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Food
Entertainment
Overall
Boarding
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Anonymous,May 2026
SEA - KOA
Comfort
Food
Entertainment
Overall
Boarding
Crew
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Anonymous,May 2026
SEA - KOA
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$146 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$355 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$242 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$313 | Average$399 | FlexibilityNo cancel fee | On-time63% |