Cheap flights from Boston to San Juan from $48
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Juan departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Boston to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to San Juan.
Cheap last minute flights
Planning a quick getaway from Boston to San Juan? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to San Juan, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Boston to San Juan
Find recent round-trip train or bus tickets from Boston to San Juan.
All round-trip flight deals from Boston to San Juan
The cheapest plane tickets from Boston to San Juan found on KAYAK recently.
United Airlines flights from Boston to San Juan
Our best United Airlines deals on Boston to San Juan flight tickets
United Airlines![United Airlines]()
Feb 4![United Airlines]()
Feb 11
BOS6:00 amBoston Logan Intl
7h 40m
1 stop
SJU2:40 pmSan Juan Luis Munoz Marin Intl
SJU2:05 amSan Juan Luis Munoz Marin Intl
7h 08m
1 stop
BOS8:13 amBoston Logan Intl
United Airlines![United Airlines]()
May 3![United Airlines]()
May 8
BOS8:00 amBoston Logan Intl
12h 38m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
SJU1:05 amSan Juan Luis Munoz Marin Intl
9h 02m
1 stop
BOS10:07 amBoston Logan Intl
Frontier flights from Boston to San Juan
Our best Frontier deals on Boston to San Juan flight tickets
Frontier![Frontier]()
Feb 3![Frontier]()
Feb 7
BOS10:03 amBoston Logan Intl
4h 04m
SJU3:07 pmSan Juan Luis Munoz Marin Intl
SJU5:35 amSan Juan Luis Munoz Marin Intl
4h 28m
BOS9:03 amBoston Logan Intl
Frontier![Frontier]()
Feb 4![Frontier]()
Feb 11
BOS10:03 amBoston Logan Intl
4h 04m
SJU3:07 pmSan Juan Luis Munoz Marin Intl
SJU5:07 pmSan Juan Luis Munoz Marin Intl
8h 32m
1 stop
BOS12:39 amBoston Logan Intl
See travel insights to San Juan from
How to get the cheapest flight ticket from Boston to San Juan
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
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Other information
What is the typical price of a round-trip flight between Boston and San Juan?
What is the cheapest month to fly to San Juan?
If you’re not able to fly to San Juan in September, then August is your next best option. Flight prices from Boston to San Juan during August average around $213.
What is the cheapest day to depart on your flight to San Juan?
The cheapest day to depart from Boston to San Juan is on a Tuesday when prices can be found for as low as $270. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $328.
What is the cheapest time of day to depart on your flight to San Juan?
The cheapest time of day to fly to San Juan is in the morning when flights can be purchased for as low as $283. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $283 on average. Flights to San Juan from Boston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Boston Logan Intl to San Juan flight route?
Fly from Boston Logan Intl to San Juan Luis Munoz Marin Intl for the best Boston Logan Intl - San Juan flight prices
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Boston when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $271 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Boston for as low as $221 on momondo.
What cabin class options are available on Boston Logan Intl to San Juan flights?
There are 4 cabin classes available to choose from on Boston Logan Intl to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Boston Logan Intl to San Juan?
Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Boston Logan Intl to San Juan
What airlines fly to San Juan?
JetBlue, Delta and Frontier are the top three most popular airlines that fly to San Juan from Boston according to our data. JetBlue is the first choice among our users, with 39% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 7 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to San Juan on average per day?
The number of flights available between Boston and San Juan is 8 per day as of January 2025. The most frequent departure time is 3:00PM, with 58% of daily flights leaving in the afternoon.
How many flights depart from Boston to San Juan on average per week?
As of January 2025, there are 62 flights per week flying from Boston to San Juan. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.
Cheap Boston to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to San Juan
How far is Boston Logan Intl to San Juan by plane?
San Juan is 1675.2 mi away from Boston Logan Intl. By plane, this route typically takes 3h 52m.
When did momondo last update prices for flights from Boston Logan Intl Airport to San Juan?
Prices for flights from Boston Logan Intl Airport to San Juan were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Juan?
There are 7 operators available for flights from Boston Logan Intl Airport to San Juan as of January 2025.
How old do you have to be to fly from Boston Logan Intl Airport to San Juan?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Boston to San Juan
Compare and see reviews for airlines that fly from Boston to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $75 | Free Cancellation | Rating 6.0 3,443 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 6.3 8,115 reviews | |||
| PriceFrom $142 | Free Cancellation | Rating 8.0 8,521 reviews | |||
| PriceFrom $143 | Free Cancellation | Rating 7.4 3,201 reviews | |||
| PriceFrom $244 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $272 | Free Cancellation | Rating 7.4 8,985 reviews | |||
| PriceFrom $427 | Free Cancellation | Rating 8.1 4,662 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Boston to San Juan?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to San Juan. momondo saves you time and could save you money on your trip.
Can I find flights from Boston to San Juan with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Boston to San Juan flights to just show those with flexible booking policies.
How can momondo help me find flights from Boston to San Juan?
Once all potential Boston to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Boston to San Juan right now. Can momondo alert me if prices change?
Price alerts on flights to San Juan from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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