Cheap Flights from San Juan to Boston (SJU-BOS)

Cheap Flights from San Juan to Boston

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Cheap Flights from San Juan to Boston starting at S$ 47

Discover our range of affordable one-way and round-trip flights from San Juan to Boston and kick-start your next adventure today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

San Juan to Boston Flight Time

Flight info.

Departure

Arrival

Weekly Schedule

F92249

Frontier Airlines

06:00

SJU

3.3h

09:16

MCO

SM-WT--

F93348

Frontier Airlines

21:40

MCO

3.1h

00:44

BOS

SMTWTFS

F93002

Frontier Airlines

06:00

SJU

4.2h

Nonstop

10:13

BOS

S-TWTFS

F94461

Frontier Airlines

06:15

SJU

4.0h

09:17

PHL

S---TF-

F92168

Frontier Airlines

06:40

PHL

1.4h

08:07

BOS

SM-WT-S

F92283

Frontier Airlines

08:41

SJU

1.9h

10:38

MIA

SM--TF-

F91436

Frontier Airlines

07:05

MIA

3.5h

10:33

BOS

-M-W-FS

F92981

Frontier Airlines

14:07

SJU

3.3h

17:22

MCO

SMTW-FS

F93348

Frontier Airlines

21:40

MCO

3.1h

00:44

BOS

SMTWTFS

F92981

Frontier Airlines

14:07

SJU

3.3h

17:22

MCO

SMTW-FS

F91978

Frontier Airlines

08:29

MCO

3.3h

11:45

BOS

S--WT--

F91165

Frontier Airlines

17:25

SJU

4.0h

21:23

PHL

-MTW-FS

F92168

Frontier Airlines

06:40

PHL

1.4h

08:07

BOS

SM-WT-S

F93505

Frontier Airlines

20:43

SJU

3.4h

23:09

MCO

SM--TFS

F93348

Frontier Airlines

21:40

MCO

3.1h

00:44

BOS

SMTWTFS

F93377

Frontier Airlines

21:30

SJU

2.9h

00:21

MIA

SMTWTFS

F91436

Frontier Airlines

07:05

MIA

3.5h

10:33

BOS

-M-W-FS

F94725

Frontier Airlines

21:30

SJU

3.4h

23:52

MCO

-MTWTFS

F93348

Frontier Airlines

21:40

MCO

3.1h

00:44

BOS

SMTWTFS

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Cheapest time to fly from San Juan to Boston

These price trend charts carefully monitor and predict how flight prices from San Juan to Boston will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from San Juan (SJU) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from San Juan to Boston based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from San Juan (SJU) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around S$ 264.
How long is a flight from San Juan (SJU) to Boston (BOS)?
It takes about 4 hours 8 minutes to fly from San Juan (SJU) to Boston (BOS).
What are the most popular airlines that fly from San Juan (SJU) to Boston (BOS)?
Airlines with flights from San Juan (SJU) to Boston (BOS): Jetblue Airways, Spirit Airlines, Etihad Airways, Delta Air Lines, Westjet, Frontier Airlines, KLM, El Al, Qatar Airways, Aer Lingus, Hawaiian Airlines, Japan Airlines, Tap Portugal and Icelandair.
What's the most popular airline for direct flights from San Juan (SJU) to Boston (BOS)?
Spirit Airlines operates 1 direct flights from San Juan (SJU) to Boston (BOS).
How many airports in Boston?
There are 3 airports near Boston: General Edward Lawrence Logan International Airport, Hartford Barnes Airport and Portsmouth International Airport.

How to find a cheap flight from San Juan to Boston

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.

Choose your dates flexibly and get the best deals on flights from San Juan to Boston.

Tap 'Date' on the flight search bar to browse the calendar for San Juan to Boston airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Wed, Apr 2, with one-way flights starting at S$ 47.

Compare cheap flight deals from hundreds of airlines for San Juan to Boston flights.

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from San Juan to Boston. The cheapest flight at the moment is with Frontier Airlines.

Set up a Price Alert

Set up a Price Alert for your San Juan to Boston flights and track ticket prices easily—no need for daily checks.

Don't miss out on cheap deals and promo codes for San Juan to Boston flights.

You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.

Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

Search for flights on the go.

For the best flight booking experience on the go, download Trip.com and search for cheap flights from San Juan to Boston to get your exclusive deals.

Find cheapest flight ticket from San Juan to Boston

Cheapest direct flight price	S$ 46
Cheapest return ticket price	S$ 113
Off-season for travel	April
Peak season for travel	November
Flight distance	2,701.02km
Average flight time	4 hours 9 minutes
Popular airline	Jetblue Airways