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Cheap flight deals from Boston to San Juan Starting at PHP 2,583

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Sun, Jan 19|Boston - San Juan|Frontier Airlines
        PHP 2,583PHP 3,756
        31% OFF
        31% OFF
        PHP 3,756PHP 2,583

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Sun, Jan 19, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,583 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Wed, Jan 22|Boston - San Juan|Frontier Airlines
        PHP 2,655PHP 3,756
        28% OFF
        28% OFF
        PHP 3,756PHP 2,655

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, Jan 22, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,655 including taxes and charges.

      • BOS10:26 am
        4h 5m
        Nonstop
        SJU03:31 pm
        Wed, Jan 15|Boston - San Juan|Frontier Airlines
        PHP 2,687PHP 3,756
        28% OFF
        28% OFF
        PHP 3,756PHP 2,687

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, Jan 15, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,687 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Tue, Feb 4|Boston - San Juan|Frontier Airlines
        PHP 2,687
        PHP 2,687

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, Feb 4, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,687 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Sun, Jan 26|Boston - San Juan|Frontier Airlines
        PHP 2,727
        PHP 2,727

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Sun, Jan 26, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,727 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Sun, Feb 2|Boston - San Juan|Frontier Airlines
        PHP 2,727
        PHP 2,727

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Sun, Feb 2, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,727 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Wed, Feb 5|Boston - San Juan|Frontier Airlines
        PHP 2,735
        PHP 2,735

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, Feb 5, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,735 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Tue, Jan 28|Boston - San Juan|Frontier Airlines
        PHP 2,751
        PHP 2,751

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, Jan 28, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,751 including taxes and charges.

      • BOS10:03 am
        4h 4m
        Nonstop
        SJU03:07 pm
        Tue, Jan 21|Boston - San Juan|Frontier Airlines
        PHP 2,775
        PHP 2,775

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Tue, Jan 21, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,775 including taxes and charges.

      • BOS11:28 am
        4h 4m
        Nonstop
        SJU04:32 pm
        Wed, Feb 26|Boston - San Juan|Frontier Airlines
        PHP 2,799
        PHP 2,799

        Choose Frontier Airlines flights from Boston to San Juan. The one-way direct flight with Frontier Airlines departs from General Edward Lawrence Logan International Airport on Wed, Feb 26, arriving at Luis Muñoz Marín International Airport. One-way Prices start from PHP 2,799 including taxes and charges.

      • BOS01:00 pm
        3h 5m
        Nonstop
        SJU02:00 pm
        Wed, Jan 22|Boston - San Juan|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Boston to San Juan?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Alternative Cheap Routes from Boston to San Juan

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to San Juan.

  • Cheapest
    Frontier Airlines
    BOS
    10:03 am
    4h 4m
    Nonstop
    SJU
    03:07 pm
    General Edward Lawrence Logan International Airport - Luis Muñoz Marín International Airport
    Sun, Jan 19Frontier Airlines
    PHP 2,583
  • Frontier Airlines
    BOS
    10:03 am
    4h 4m
    Nonstop
    SJU
    03:07 pm
    General Edward Lawrence Logan International Airport - Luis Muñoz Marín International Airport
    Sun, Jan 19Frontier Airlines
    PHP 2,583
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Boston (BOS) to San Juan (SJU) the cheapest?

    Airlines adjust prices for flights from Boston to San Juan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Boston (BOS) to San Juan (SJU) cost?

    According to Trip.com's data, the lowest price is around PHP 14,274.

  • How long does it take to fly from Boston (BOS) to San Juan (SJU) and what is the distance?

    It takes around 4 hours 3 minutes to fly from Boston (BOS) to San Juan (SJU).

  • What is the transportation method from the main airport to downtown in San Juan?

    • The distance from Luis Muñoz Marín International Airport to downtown is about 11 km. It takes about 30 minutes by taxi.

  • What are the most popular airlines that fly from Boston (BOS) to San Juan (SJU)?

    Airlines with flights from Boston (BOS) to San Juan (SJU): Jetblue Airways, Frontier Airlines, Aer Lingus, Hawaiian Airlines, Spirit Airlines, Delta Air Lines, TAP Air Portugal and El Al.

How to find a cheap flight from Boston to San Juan

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to San Juan. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Boston to San Juan

Cheapest nonstop flight pricePHP 2,582
Cheapest round-trip ticket pricePHP 5,085
Off-season for travelNovember
Peak season for travelOctober
Flight distance2,701.02 km
Average flight time4 hours 3 minutes
Popular airlineUnited Airlines

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