SJU - BOS

£80 Find Cheap Flights from San Juan to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Juan to Boston departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£227
Overall average: £183
JetBlue
Sat 4/4Mon 13/4
SJU - BOS • Direct
Cheapest one-way flight
£80
Typical prices: £90-£197
Frontier
Sat 11/4
SJU - BOS • 1 stop
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
JetBlue's Even More Space offers 18 cm extra legroom.
Delta provides free Wi-Fi for SkyMiles members.
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Direct flights
You can fly direct with Delta, JetBlue, and others. Average duration is 4h 13m
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Most punctual • 88% on-time
Best time • Fewest delays
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Cheapest • 19% price drop
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Juan to Boston

Sat, 4 Apr - Mon, 13 Apr
JetBlue Logo
20:20 - 00:24
SJU
-
BOS
4h 04mdirect
JetBlue Logo
21:35 - 01:34
BOS
-
SJU
3h 59mdirect
£227JetBlue
Thu, 28 May - Tue, 2 Jun
Delta Logo
14:00 - 18:18
SJU
-
BOS
4h 18mdirect
Delta Logo
08:50 - 12:49
BOS
-
SJU
3h 59mdirect
£228Delta
Thu, 28 May - Sat, 30 May
Delta Logo
07:05 - 16:00
SJU
-
BOS
8h 55m
1 stop
Delta Logo
08:50 - 12:49
BOS
-
SJU
3h 59mdirect
£232Delta
Wed, 2 Sep - Wed, 9 Sep
Delta Logo
13:06 - 01:06
SJU
-
BOS
12h 00m
1 stop
Delta Logo
05:45 - 16:35
BOS
-
SJU
10h 50m
1 stop
£235Delta
Thu, 28 May - Tue, 2 Jun
Delta Logo
14:00 - 18:18
SJU
-
BOS
4h 18mdirect
Delta Logo
08:50 - 12:49
BOS
-
SJU
3h 59mdirect
£243Delta
Fri, 5 Jun - Tue, 9 Jun
Delta Logo
14:00 - 18:18
SJU
-
BOS
4h 18mdirect
Delta Logo
08:00 - 19:53
BOS
-
SJU
11h 53m
1 stop
£247Delta
Tue, 4 Aug - Thu, 6 Aug
Delta Logo
14:35 - 23:32
SJU
-
BOS
8h 57m
1 stop
Delta Logo
08:00 - 20:07
BOS
-
SJU
12h 07m
1 stop
£250Delta
Tue, 4 Aug - Thu, 6 Aug
Southwest Logo
06:00 - 14:40
SJU
-
BOS
8h 40m
1 stop
Southwest Logo
05:50 - 14:30
BOS
-
SJU
8h 40m
1 stop
£254Southwest
Wed, 1 Apr - Mon, 6 Apr
JetBlue Logo
20:20 - 00:24
SJU
-
BOS
4h 04mdirect
JetBlue Logo
21:35 - 01:34
BOS
-
SJU
3h 59mdirect
£263JetBlue
Fri, 10 Apr - Fri, 10 Apr
Spirit Airlines Logo
10:00 - 14:18
SJU
-
BOS
4h 18mdirect
Spirit Airlines Logo
16:23 - 08:53
BOS
-
SJU
16h 30m
1 stop
£266Spirit Airlines
Booking Insights

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 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 February, where tickets cost £166 (return) on average. On the other hand, the most expensive months are July and November, where the average cost of round-trip tickets is £236 and £229 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 7 weeks before departure.

Expert advice

Expert advice for your flight from San Juan to Boston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Icelandair and Delta

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 out at sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on JetBlue

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, 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.

Good to know - Cheap tickets from San Juan to Boston

Low seasonFebruary
Cheapest flight£80
Best time to beat the crowds (20% less expensive on average)
Most popular time to fly and prices are also 6% lower on average.
Flight from San Juan to Boston

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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Boston?

    In the last 3 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to Boston was £80 for a one-way ticket and £227 for a return.

  • Which airports will I be using when flying from San Juan to Boston?

    When flying out of San Juan you will be using San Juan Luis Munoz Marin Intl. You will be landing at Boston, also known as Boston Logan Intl.

  • 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, Delta, American Airlines, Iberia, British Airways, Aer Lingus, and Finnair.

  • 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.

  • 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 return 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.

KAYAK’s top tips for finding a cheap flight from San Juan Luis Munoz Marin Intl Airport to Boston

  • Looking for a cheap flight from Boston to San Juan? 25% of our users found flights on this route for £197 or less one-way.

Prefer to fly direct from San Juan to Boston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Juan Luis Munoz Marin Intl to Boston Logan Intl.
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

Delta,JetBlue,Spirit Airlines

Delta,JetBlue, +1 more

Tuesday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

Wednesday

Delta,JetBlue,Spirit Airlines

Delta,JetBlue, +1 more

Thursday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

Friday

Delta,JetBlue,Spirit Airlines

Delta,JetBlue, +1 more

Saturday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

Sunday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

See more direct flights

Direct returns

Boston Logan Intl to San Juan Luis Munoz Marin Intl

Monday

Delta,JetBlue,Spirit Airlines

Delta,JetBlue, +1 more

Tuesday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

Wednesday

Delta,JetBlue,Spirit Airlines

Delta,JetBlue, +1 more

Thursday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

Friday

Delta,JetBlue,Spirit Airlines

Delta,JetBlue, +1 more

Saturday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

Sunday

Delta,Frontier,JetBlue, +1 more

Delta,Frontier, +2 more

See more direct flights

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

Information on your arrival and departure airports