Cheap flights from Boston to Caribbean Islands from $68
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 Caribbean Islands departing on 7/1. 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
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Boston to Caribbean Islands
Round-trip
One-way
Last minute
Direct
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from Boston to Caribbean Islands
Our best Spirit Airlines deals on Boston to Caribbean Islands flight tickets
Spirit Airlines![Spirit Airlines]()
Jul 6![Spirit Airlines]()
Jul 13
BOS2:42 pmBoston Logan Intl
3h 54m
SJU6:36 pmSan Juan Luis Munoz Marin Intl
SJU3:13 pmSan Juan Luis Munoz Marin Intl
4h 17m
BOS7:30 pmBoston Logan Intl
Spirit Airlines![Spirit Airlines]()
Jul 6![Spirit Airlines]()
Jul 9
BOS2:42 pmBoston Logan Intl
3h 54m
SJU6:36 pmSan Juan Luis Munoz Marin Intl
SJU1:07 pmSan Juan Luis Munoz Marin Intl
9h 56m
1 stop
BOS11:03 pmBoston Logan Intl
Frontier flights from Boston to Caribbean Islands
Our best Frontier deals on Boston to Caribbean Islands flight tickets
Frontier![Frontier]()
Aug 30![Frontier]()
Sep 6
BOS12:53 pmBoston Logan Intl
20h 06m
1 stop
SJU8:59 amSan Juan Luis Munoz Marin Intl
SJU1:01 pmSan Juan Luis Munoz Marin Intl
19h 43m
1 stop
BOS8:44 amBoston Logan Intl
Frontier![Frontier]()
Aug 30![Frontier]()
Sep 6
BOS12:53 pmBoston Logan Intl
20h 06m
1 stop
SJU8:59 amSan Juan Luis Munoz Marin Intl
SJU1:01 pmSan Juan Luis Munoz Marin Intl
19h 43m
1 stop
BOS8:44 amBoston Logan Intl
See travel insights to Caribbean Islands from
How to get the cheapest flight ticket from Boston to Caribbean Islands
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
Airlines
Other information
What is the cheapest month to fly to Caribbean Islands?
The month of September is, on average, the cheapest month to fly to Caribbean Islands from Boston, with most prices found around $157. The month of August is another great option to travel to Caribbean Islands, with average flight prices from Boston averaging around $213.
What is the cheapest day to depart on your flight to Caribbean Islands?
The cheapest day to depart from Boston to Caribbean Islands is on a Tuesday. Travelers who choose to depart for Caribbean Islands on a Tuesday will often find tickets for as low as $274. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $319. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.
What is the cheapest time of day to depart on your flight to Caribbean Islands?
According to our data, the cheapest time of day to fly to Caribbean Islands is in the afternoon. momondo users have found flights departing from Boston to Caribbean Islands in the afternoon for as low as $285. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $320. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Boston Logan Intl to Caribbean Islands flight route?
Fly from Boston Logan Intl to San Juan Luis Munoz Marin Intl for the best Boston Logan Intl - Caribbean Islands flight prices
How far in advance should I book a flight to Caribbean Islands?
You are more likely to see cheaper flights to Caribbean Islands from Boston when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $267 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Boston for as low as $218 on momondo.
What cabin class options are available on Boston Logan Intl to Caribbean Islands flights?
There are 4 cabin classes available to choose from on Boston Logan Intl to Caribbean Islands 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 Caribbean Islands?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Boston Logan Intl to Caribbean Islands
What airlines fly to Caribbean Islands?
JetBlue, Delta and Frontier are the top three most popular airlines that fly to Caribbean Islands from Boston according to our data. JetBlue is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 11 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to Caribbean Islands on average per day?
The number of flights available between Boston and Caribbean Islands is 19 per day as of June 2025. The most frequent departure time is 7:00PM, with 43% of daily flights leaving at noon.
How many flights depart from Boston to Caribbean Islands on average per week?
As of June 2025, 134 flights take off from Boston and land in Caribbean Islands each week. The most common flight departure day for this route is Thu, with 22% of weekly flights taking off on this day.
Cheap Boston to Caribbean Islands flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Caribbean Islands
Best Price Found | $68 |
|---|---|
Fastest flight time | 3h 22m |
Direct flights | Every day |
Airports in Caribbean Islands | 7 airports |
When did momondo last update prices for flights from Boston Logan Intl Airport to Caribbean Islands?
Prices for flights from Boston Logan Intl Airport to Caribbean Islands were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Caribbean Islands?
The number of operators available for flights from Boston Logan Intl Airport to Caribbean Islands is 11 as of June 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Caribbean Islands?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The travel and health documents required for your trip to Caribbean Islands 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 Caribbean Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Boston to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from Boston to Caribbean Islands is Airbus A321neo, representing 10.48% of all bookings. The subsequent popular models are Airbus A220-300 at 8.67%, Airbus A321-100/200 at 7.72%, and Airbus A320-100/200 at 6.70%.
Best airlines flying from Boston to Caribbean Islands
Compare and see reviews for airlines that fly from Boston to Caribbean Islands with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $75 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $95 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $142 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $204 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $330 | Free Cancellation | Rating 7.3 26 reviews | |||
| PriceFrom $353 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $356 | Free Cancellation | Rating 6.7 2,345 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Boston to Caribbean Islands?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Caribbean Islands. momondo saves you time and could save you money on your trip.
Can I find flights from Boston to Caribbean Islands with flexible booking policies on momondo?
Yes. All flights to Caribbean Islands from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Boston to Caribbean Islands?
momondo provides multiple filters to help you find the best flight to Caribbean Islands from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Boston to Caribbean Islands right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Boston to Caribbean Islands flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Caribbean Islands
Popular cities in Caribbean Islands
Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $56
Flights to Londonfrom $317
Flights to Bangkokfrom $541
Flights to Los Angelesfrom $47
Flights to Tokyofrom $392
Flights to Parisfrom $225
Flights to Copenhagenfrom $335
Flights to Miamifrom $70
Flights to Istanbulfrom $382
Flights to Manilafrom $525
Flights to Chicagofrom $52
Flights to Romefrom $161