SJU - BOS

Find cheap flights from San Juan to Boston

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KAYAK searches hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Boston, as well as popular online travel agencies
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Cheap Flight Deals from San Juan to Boston (SJU-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Juan to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from San Juan to Boston

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Juan to Boston.
Discover the best prices for you by selecting your travel dates on KAYAK.
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Qatar Airways Logo
SJU-BOS
4h 08mdirect
Qatar Airways Logo
BOS-SJU
4h 12mdirect
Qatar Airways
Find Deal
Japan Airlines Logo
SJU-BOS
4h 07mdirect
Japan Airlines Logo
BOS-SJU
4h 11mdirect
Japan Airlines
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Icelandair Logo
SJU-BOS
4h 07mdirect
Icelandair Logo
BOS-SJU
4h 01mdirect
Icelandair
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Aer Lingus Logo
SJU-BOS
4h 07mdirect
Aer Lingus Logo
BOS-SJU
4h 12mdirect
Aer Lingus
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Delta Logo
SJU-BOS
4h 20mdirect
Delta Logo
BOS-SJU
4h 07mdirect
EL AL Logo
SJU-BOS
4h 07mdirect
EL AL Logo
BOS-SJU
4h 04mdirect
Frontier Logo
SJU-BOS
4h 16mdirect
Frontier Logo
BOS-SJU
3h 56mdirect
Frontier
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JetBlue Logo
SJU-BOS
4h 03mdirect
JetBlue Logo
BOS-SJU
3h 59mdirect
JetBlue
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Etihad Airways Logo
SJU-BOS
4h 08mdirect
Etihad Airways Logo
BOS-SJU
4h 12mdirect
Etihad Airways
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Turkish Airlines Logo
SJU-BOS
4h 14mdirect
Turkish Airlines Logo
BOS-SJU
4h 01mdirect
Turkish Airlines
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Hawaiian Airlines Logo
SJU-BOS
4h 07mdirect
Hawaiian Airlines Logo
BOS-SJU
4h 01mdirect
Hawaiian Airlines
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TAP AIR PORTUGAL Logo
SJU-BOS
4h 07mdirect
TAP AIR PORTUGAL Logo
BOS-SJU
3h 59mdirect
TAP AIR PORTUGAL
Find Deal
Spirit Airlines Logo
SJU-BOS
4h 07mdirect
Spirit Airlines Logo
BOS-SJU
3h 54mdirect
Spirit Airlines
Find Deal

Expert advice for your flight from San Juan to Boston

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Frontier's Premium Bundle offers priority boarding and extra legroom for just CA$27 more.


Avoid Basic Fare to ensure seat selection and carry-on inclusion with Economy Bundle.

Read more about Frontierby Stefanie Waldek
JetBlue

JetBlue offers free gate-to-gate Wi-Fi and live TV, enhancing your in-flight experience.


Upgrade to Even More Space for up to 18 cm extra legroom and early boarding.

Read more about JetBlueby Harriet Baskas
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

KAYAK's insights & trends for San Juan to Boston flights

Get data-powered insights and trends into flights from San Juan to Boston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Juan to Boston?

The average price of all round-trip flights from San Juan Luis Munoz Marin Intl Airport to Boston clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Boston on a Sunday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from San Juan to Boston. For your return ticket, we recommend flying on a Wednesday and avoiding Fridays for the best deals.

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from San Juan Luis Munoz Marin Intl Airport to Boston is September, where tickets cost C$ 191 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is C$ 350 and C$ 336 respectively.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to Boston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from San Juan Luis Munoz Marin Intl Airport to Boston, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low season

March

High season

July
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (13% more expensive on average)

When to book flights from San Juan to Boston

Are your dates flexible? Find out the best times to travel from San Juan to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Juan to Boston flights

  • Which airlines offer Wi-Fi service onboard planes from San Juan to Boston?

    All the following airlines offer inflight Wi-Fi service on the San Juan to Boston flight route: JetBlue, Iberia, Finnair, British Airways, Delta, and American Airlines.

  • Which aircraft models fly most regularly from San Juan to Boston?

    The Airbus A321neo is the aircraft model that flies most regularly on the San Juan to Boston flight route.

  • Which airline alliances offer flights from San Juan to Boston?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between San Juan and Boston, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from San Juan to Boston?

    There are direct flights from San Juan to Boston on a daily basis.

  • How does KAYAK find such low prices on flights from San Juan to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Juan to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Juan to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from San Juan is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Juan to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to San Juan with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from San Juan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly direct from San Juan to Boston?

Find which airlines fly direct from San Juan Luis Munoz Marin Intl Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

San Juan Luis Munoz Marin Intl to Boston Logan Intl

Monday

Aer Lingus,Delta,EL AL, +11 more

Aer Lingus,Delta, +12 more

Tuesday

Aer Lingus,Delta,Etihad Airways, +10 more

Aer Lingus,Delta, +11 more

Wednesday

Aer Lingus,Delta,EL AL, +11 more

Aer Lingus,Delta, +12 more

Thursday

Aer Lingus,Delta,EL AL, +11 more

Aer Lingus,Delta, +12 more

Friday

Aer Lingus,Delta,Etihad Airways, +10 more

Aer Lingus,Delta, +11 more

Saturday

Aer Lingus,Delta,EL AL, +10 more

Aer Lingus,Delta, +11 more

Sunday

Aer Lingus,Delta,EL AL, +12 more

Aer Lingus,Delta, +13 more

See more nonstop flights

Direct returns

Boston Logan Intl to San Juan Luis Munoz Marin Intl

Monday

Aer Lingus,Delta,EL AL, +9 more

Aer Lingus,Delta, +10 more

Tuesday

Aer Lingus,Delta,Etihad Airways, +8 more

Aer Lingus,Delta, +9 more

Wednesday

Aer Lingus,Delta,EL AL, +8 more

Aer Lingus,Delta, +9 more

Thursday

Aer Lingus,Delta,EL AL, +10 more

Aer Lingus,Delta, +11 more

Friday

Aer Lingus,Delta,EL AL, +9 more

Aer Lingus,Delta, +10 more

Saturday

Aer Lingus,Delta,Etihad Airways, +8 more

Aer Lingus,Delta, +9 more

Sunday

Aer Lingus,Delta,EL AL, +10 more

Aer Lingus,Delta, +11 more

See more nonstop flights
See more nonstop flights

Everything you need to know for your flight from San Juan to Boston

Information on your arrival and departure airports

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