Cheap flights from Boston, MA to San Juan, United States
Flights starting at £37. Choose between JetBlue Airways, Spirit Airlines, or Frontier Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to San Juan
Cheapest one-way trip | £37 |
---|---|
Cheapest round-trip | £88 |
Average round-trip | £184 |
Nonstop flights in May | £37 – £209 |
Most popular airline | JetBlue Airways |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The distance between Boston and San Juan is 2705 km. The most popular airlines for this route are JetBlue Airways, Spirit Airlines, and Frontier Airlines. Boston and San Juan have 44 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Boston to San Juan in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 29.04 - Sun 05.05
Airline | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 | Sun 05.05 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 | |
2 | 2 | 2 | 2 | 2 | 2 | 2 | |
--- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 06.05 - Sun 12.05
Airline | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 | Sun 12.05 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 | |
2 | 2 | 1 | 1 | 1 | 1 | 1 | |
--- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 13.05 - Sun 19.05
Airline | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 | Sun 19.05 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | |
--- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 20.05 - Sun 26.05
Airline | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 | Sun 26.05 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 3 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | |
--- | --- | --- | --- | --- | --- | --- |
Check-in for a flight from Boston to San Juan
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in San Juan
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 27°C | 22°C |
February | 27°C | 22°C |
March | 27°C | 22°C |
April | 28°C | 23°C |
May | 29°C | 24°C |
June | 30°C | 25°C |
July | 30°C | 25°C |
August | 30°C | 25°C |
September | 30°C | 25°C |
October | 29°C | 25°C |
November | 28°C | 24°C |
December | 27°C | 23°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Boston
- Flights from Boston to London
- Flights from Boston to Dublin
- Flights from Boston to Edinburgh
- Flights from Boston to Athens
- Flights from Boston to Manchester
- Flights from Boston to Vilnius
- Flights from Boston to New Orleans
- Flights from Boston to Orlando
- Flights from Boston to Washington, D.C.
- Flights from Boston to Paris
- Flights from Boston to New York
- Flights from Boston to San Francisco
- Flights from Boston to Atlanta
- Flights from Boston to Raleigh
- Flights from Boston to Chicago
- Flights from Boston to Rome
- Flights from Boston to Vienna
- Flights from Boston to Miami
- Flights from Boston to Glasgow
- Flights from Boston to Las Vegas
Flights to San Juan
- Flights from London to San Juan
- Flights from Orlando to San Juan
- Flights from Montreal to San Juan
- Flights from Toronto to San Juan
- Flights from New York to San Juan
- Flights from Tampa to San Juan
- Flights from Philadelphia to San Juan
- Flights from Washington, D.C. to San Juan
- Flights from Madrid to San Juan
- Flights from Fort Lauderdale to San Juan
- Flights from Barcelona to San Juan
- Flights from Charlotte to San Juan
- Flights from Austin to San Juan
- Flights from Saint Croix to San Juan
- Flights from Athens to San Juan
- Flights from Houston to San Juan
- Flights from Chicago to San Juan
- Flights from San Antonio to San Juan
- Flights from Edmonton to San Juan
- Flights from Santo Domingo to San Juan
Popular routes
- Flights from Budapest to Miami
- Flights from Sofia to Nottingham
- Flights from Ottawa to New York
- Flights from Sihanoukville Province to Jakarta
- Flights from Bengaluru to Jodhpur
- Flights from Saint Helier to Poznań
- Flights from London to Milan
- Flights from Kathmandu to Montreal
- Flights from Kolkata to Chandigarh
- Flights from Chumphon Province to Phuket City
- Flights from London to Faro
- Flights from Granada to Athens