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Cheap Flights from Boston to San Juan (SJU)
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Average price per month
- Low Season: January
- High Season: August
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in January, April and July.
- High season months are September, October and August. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Boston to San Juan is currently 55% cheaper than average.
Price increase as travel date approaches
- Flight prices for this route increase by 30% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 44 days before departure!
- Consider booking at least 19 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
Boston to San Juan Flight Information
| Flights Depart From | Boston (BOS) |
| Flights Arriving To | San Juan (SJU) |
| Distance | 2703.4 km |
| Current Discount | 55 % |
| Average Price | $302.1 |
| Good Deal | $138.62 |
| Cheapest Airlines | Frontier Airlines |
| Popular Airlines | Delta Air Lines, United Airlines, Frontier Airlines, Spirit Airlines |
| Flight Duration | 03 hours 45 minutes |
| Flights Depart From |
| Boston (BOS) |
| Flights Arrive In |
| San Juan (SJU) |
| Distance |
| 2703.4 km |
| Flight Duration |
| 03 hours 45 minutes |
| Current Discount |
| 55 % |
| Average Price |
| $302.1 |
| Good Deal |
| $138.62 |
| Cheapest Airlines |
| Frontier Airlines |
| Popular Airlines |
| Delta Air Lines, United Airlines, Frontier Airlines, Spirit Airlines |
Most Reliable Airlines flying to San Juan
- According to our data, Delta Air Lines, United Airlines and Frontier Airlines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: Delta Air Lines, Spirit Airlines and United Airlines.
- If customer service is important for you then you should consider flying with Delta Air Lines, United Airlines and Frontier Airlines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
Delta Air Lines |
3.8 | 4.5 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 | 3.5 |
United Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.0 | 3.0 |
Frontier Airlines |
2.8 | 3.5 | 3.5 | 3.5 | 3.0 | 2.0 | 1.5 | 2.5 | 2.5 |
Spirit Airlines |
2.8 | 4.5 | 3.0 | 3.5 | 3.0 | 2.0 | 1.5 | 2.5 | 2.5 |
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Overall Rating
3.0
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5
Overall Rating
3.0
On time arrival
4.5
Check-in & Boarding
3.0
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5
Good to know:
- Luis Munoz Marin International is the major airport in San Juan and surrounding area.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Juan flight deals.
Track the flight prices from Boston to San Juan by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. How to get the cheapest flight to San Juan?
Currently there is a 55% discount on flights to San Juan. This price won't stay too long and you should consider buying now.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Boston to San Juan: Frontier Airlines..
Frontier AirlinesSun, 17 Nov BOS SJU
Thu, 05 Dec SJU BOS Trip duration: 18 days$117.96
Frontier AirlinesSun, 03 Nov BOS SJU
Mon, 04 Nov SJU BOS Trip duration: 2 days$122.52
Frontier AirlinesSat, 09 Nov BOS SJU
Sun, 17 Nov SJU BOS Trip duration: 8 days$123.96
Frontier AirlinesThu, 05 Dec BOS SJU
Sun, 08 Dec SJU BOS Trip duration: 3 days$127.96
Frontier AirlinesTue, 29 Oct BOS SJU
Tue, 05 Nov SJU BOS Trip duration: 8 days$129.97
Frontier AirlinesThu, 24 Oct BOS SJU
Mon, 28 Oct SJU BOS Trip duration: 4 days$131.14
Frontier AirlinesThu, 24 Oct BOS SJU
Sun, 27 Oct SJU BOS Trip duration: 3 days$131.14
Frontier AirlinesThu, 24 Oct BOS SJU
Mon, 28 Oct SJU BOS Trip duration: 4 days$137.08
Frontier AirlinesThu, 31 Oct BOS SJU
Mon, 04 Nov SJU BOS Trip duration: 5 days$137.08
Frontier AirlinesThu, 14 Nov BOS SJU
Fri, 22 Nov SJU BOS Trip duration: 8 days$137.96
Frontier AirlinesFri, 01 Nov BOS SJU
Mon, 04 Nov SJU BOS Trip duration: 4 days$141.58
Frontier AirlinesFri, 01 Nov BOS SJU
Tue, 05 Nov SJU BOS Trip duration: 5 days$141.58
Frontier AirlinesFri, 18 Oct BOS SJU
Sun, 20 Oct SJU BOS Trip duration: 2 days$147.52
Frontier AirlinesFri, 01 Nov BOS SJU
Thu, 28 Nov SJU BOS Trip duration: 28 days$157.96
Frontier AirlinesFri, 25 Oct BOS SJU
Tue, 29 Oct SJU BOS Trip duration: 4 days$157.96
Frontier AirlinesTue, 26 Nov BOS SJU
Tue, 03 Dec SJU BOS Trip duration: 7 days$158.52
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Inexpensive Cars in San Juan
Frequently Asked Questions
- How long is a direct flight from Boston to San Juan?A direct flight from Boston to San Juan takes roughly 03 hours 45 minutes.
- How many direct flights are there between Boston to San Juan daily?On average, there are 9 direct flights from Boston to San Juan each day.
- Which airlines offer cheap airfare from Boston to San Juan?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Frontier Airlines.
- Do I need my passport to fly from Boston to San Juan?Yes, you most certainly do.
- Which airlines fly from Boston to San Juan most often?Delta Air Lines, United Airlines, Frontier Airlines and Spirit Airlines are the top.
- What's the cheapest day to fly from Boston to San Juan?That depends. Recently, the cheapest day to fly from Boston to San Juan has been Wednesday. And the cheapest return flight from Tuesday has been. That said, the cheapest departure days are constantly changing.
- Which airport will I be flying from in Boston?When departing from Boston you'll be flying out of Logan International.
- Which airport will I be flying from in San Juan?When departing from San Juan you'll be flying out of Luis Munoz Marin International.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
- How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.