Cheap flights from Boston to San Juan

Flights tailored to your budget

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Cheap Boston - San Juan flight offers

Find cheap flight tickets and last-minute flight deals from Boston to San Juan

DELTA
Fri 23-10 (BOS) Boston -> (SJU) San Juan
Direct
DELTA
Sun 01-11 (SJU) San Juan -> (BOS) Boston
Direct
Price found Yesterday
from €297
DELTA
Fri 23-10 (BOS) Boston -> (SJU) San Juan
Direct
DELTA
Sun 01-11 (SJU) San Juan -> (BOS) Boston
Direct
Price found Yesterday
from €297

Info about flights from Boston to San Juan

Some useful info about flights from Boston to San Juan to help you plan your next trip

Average flight duration 4h 0m
Cheapest month October
Average number of flights per week 146
First flight time 00:30
Last flight time 23:20
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Top airlines on the route Boston - San Juan

Airlines providing flights to San Juan from Boston

DELTA
DELTA
Frontier Airlines
Frontier Airlines

How to get the best price from Boston to San Juan?

Depending on when you travel and how far in advance you book, fares between Boston and San Juan can differ a lot.

Pick a travel date to see today’s available fares.

Search engines like Jetcost can highlight price changes in just seconds. For example, some users find better prices by flying on one day of the week over another — try several searches to spot the cheapest day.

Exploring all airports near Boston and San Juan

Checking all the airports available in the area can give you more departure and arrival options for your trip.

  • Airports in Boston: Boston - Logan is currently the only one operating.
  • Airports in San Juan: Try also checking Isla Grande along with San Juan - Luis Muñoz Marín.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Flights from Boston - Logan to San Juan - Luis Muñoz Marín

Plan your journey from Boston to San Juan with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in Puerto Rico? These cities are trending: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Boston to San Juan.

How much does an airline ticket from Boston to San Juan cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Boston to San Juan.

How far is Boston from San Juan?

Boston is about 2702 km from San Juan.

What are the airports in San Juan?

San Juan has another airport: Isla Grande.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the most popular cities in Puerto Rico?

The most popular cities in Puerto Rico according to our users' searches are: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

When should I book a flight from Boston to San Juan?

The best time to book a flight from Boston to San Juan is 1 month in advance, while the worst time is 4 weeks in advance.

What is the cheapest month to fly from Boston to San Juan?

The cheapest month to fly from Boston to San Juan is October.

What is the most expensive month to fly from Boston to San Juan?

The most expensive month to fly from Boston to San Juan is March.

What is the best day of the week to fly from Boston to San Juan?

For flights from Boston to San Juan Wednesday is on average the cheapest day to fly, while Tuesday is the most expensive day to fly.