Cheap $88 Flights From Boston to Puerto Rico
Easily compare flights from Boston to Puerto Rico and find the cheapest tickets available!
Flying From Boston to Puerto Rico: What You Need to Know
| Cheapest one-way flight price | $88 |
|---|---|
| Cheapest round-trip ticket price | $177 |
| Off-season for travel | October |
| Peak season for travel | July |
| Popular airline | Jetblue Airways |
| Cheapest month | September |
Compare multiple airlines at once to find the best flight deals from Boston to Puerto Rico.
Airlines Flying From Boston to Puerto Rico
Jetblue Airways 
Delta Air Lines 
Spirit Airlines 
Frontier Airlines 
American Airlines Search Flights From Boston to Puerto Rico
Easily compare flights from Boston to Puerto Rico and find the cheapest tickets available!
Find the Cheapest Flights to Puerto Rico From Boston
Looking for cheap flights from Boston to Puerto Rico? Check out prices for the next 90 days, starting at just $88 for a one-way ticket and $177 for a round trip.
- Round-trip
- One way
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- Cheapest nonstop
Tue, May 5BOS|SJUBostonSan JuanNonstop | Jetblue AirwaysTue, May 12SJU|BOSSan JuanBostonNonstop | Jetblue Airways$208 $2268% off8% off$226 $208 -
Sat, Apr 25BOS|SJUBostonSan JuanNonstop | Jetblue Airways
Fri, May 1SJU|BOSSan JuanBostonNonstop | Jetblue Airways$210 $2267% off7% off$226 $210
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Tue, May 5BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Fri, May 8SJU|BOSSan JuanBoston1 stop | Frontier Airlines$177 $22622% off22% off$226 $177 -
Sun, Apr 26BOS|SJUBostonSan JuanNonstop | Spirit Airlines
Thu, Apr 30SJU|BOSSan JuanBoston1 stop | Frontier Airlines$18219% off$226 $182 -
Sat, May 16BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Thu, May 21SJU|BOSSan JuanBoston1 stop | Frontier Airlines$18219% off$226 $182
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Sat, May 2BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Tue, May 5SJU|BOSSan JuanBoston1 stop | Frontier Airlines$18419% off$226 $184
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Sun, May 3BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Tue, May 5SJU|BOSSan JuanBoston1 stop | Frontier Airlines$18419% off$226 $184
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Wed, Apr 29BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Tue, May 5SJU|BOSSan JuanBoston1 stop | Frontier Airlines$18717% off$226 $187
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Wed, May 6BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Fri, May 8SJU|BOSSan JuanBoston1 stop | Frontier Airlines$18916% off$226 $189
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Sat, May 9BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Wed, May 13SJU|BOSSan JuanBoston1 stop | Frontier Airlines$19016% off$226 $190
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Fri, May 15BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Thu, May 21SJU|BOSSan JuanBoston1 stop | Frontier Airlines$19215% off$226 $192
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Mon, May 4BOS|SJUBostonSan Juan1 stop | Frontier Airlines
Fri, May 8SJU|BOSSan JuanBoston1 stop | Frontier Airlines$20310% off$226 $203
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Tue, Apr 21BOS|SJUBostonSan Juan1 stop | Normal Airline
Thu, Apr 23SJU|BOSSan JuanBostonNonstop | Normal AirlineFind more flightsFind more flights
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Cheapest nonstopFri, Apr 24BOS|SJUBostonSan JuanNonstop | Spirit Airlines$145 $22435% off35% off$224 $145
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Fri, May 15BOS|SJUBostonSan Juan1 stop | Frontier Airlines$88 $22461% off61% off$224 $88
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Tue, May 12BOS|SJUBostonSan Juan1 stop | Frontier Airlines$89 $22460% off60% off$224 $89
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Wed, Apr 29BOS|SJUBostonSan Juan1 stop | Frontier Airlines$9060% off$224 $90
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Sat, May 9BOS|SJUBostonSan Juan1 stop | Frontier Airlines$9060% off$224 $90
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Wed, May 13BOS|SJUBostonSan Juan1 stop | Frontier Airlines$9060% off$224 $90
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Mon, May 11BOS|SJUBostonSan Juan1 stop | Frontier Airlines$9060% off$224 $90
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Tue, May 19BOS|SJUBostonSan Juan1 stop | Frontier Airlines$9159% off$224 $91
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Sun, May 10BOS|SJUBostonSan Juan1 stop | Frontier Airlines$9259% off$224 $92
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Mon, Apr 20BOS|SJUBostonSan Juan1 stop | Frontier Airlines$2087% off$224 $208
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Tue, Apr 21BOS|SJUBostonSan Juan1 stop | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Boston to San Juan are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
FAQs: Flights From Boston to Puerto Rico
What is the cheapest Boston to Puerto Rico flight route?
The cheapest round-trip flight from Boston to Puerto Rico is on the route from Boston to San Juan, with prices starting at $173 for a round trip between 2026-04-13 and 2026-04-15.When is it the cheapest time to fly from Boston to Puerto Rico?
According to our flights calendar over the next 90 days, it seems the cheapest date is on 2026-04-24 for one-way flights.How long does it take to fly to Puerto Rico from Boston?
Based on our flight data, the average flight time from Boston to Puerto Rico is approximately 4 hours 4 minutes based on our most popular routes from Boston to San Juan. The time may also vary depending on your destination.What is the cheapest airline that flies to Puerto Rico from Boston?
The cheapest airline flying to Puerto Rico from Boston is Spirit Airlines serving route from Boston to San Juan.Where can I fly to Puerto Rico from Boston?
There are direct flights from Boston to Puerto Rico. San Juan, Aguadilla, and Ponce are all popular destinations in Puerto Rico.
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