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Cheap flights from Boston to San Juan from $38

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 San Juan departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to San Juan

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to San Juan.

Cheap last minute flights

Planning a quick getaway from Boston to San Juan? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Juan, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to San Juan

Find recent round-trip train or bus tickets from Boston to San Juan.

All round-trip flight deals to San Juan

The cheapest plane tickets to San Juan found on KAYAK recently.
10:03 am - 3:07 pmBOS-SJU
4h 04mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
$88Frontier
Find Deal
Mon, Feb 3 - Fri, Feb 7
10:03 am - 3:07 pmBOS-SJU
4h 04mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
$89Frontier
Find Deal
Tue, Jan 21 - Wed, Jan 29
10:03 am - 3:07 pmBOS-SJU
4h 04mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
$90Frontier
Find Deal
Tue, Jan 28 - Thu, Feb 6
4:59 pm - 3:50 amBOS-SJU
9h 51m1 stop
6:40 am - 10:00 amSJU-BOS
4h 20mnonstop
$108Spirit Airlines
Find Deal
Sat, Feb 22 - Wed, Feb 26
7:40 pm - 9:35 amBOS-SJU
12h 55m1 stop
4:50 pm - 11:22 pmSJU-BOS
7h 32m1 stop
$123Spirit Airlines
Find Deal
Sun, Jan 26 - Sun, Feb 9
8:10 am - 1:18 pmBOS-SJU
4h 08mnonstop
2:13 pm - 5:40 pmSJU-BOS
4h 27mnonstop
$213Delta
Find Deal
Tue, Dec 10 - Tue, Dec 17
10:25 am - 10:22 pmBOS-SJU
10h 57m2 stops
2:05 am - 2:01 pmSJU-BOS
12h 56m2 stops
$222United Airlines
Find Deal
Tue, Jan 28 - Mon, Feb 10
9:30 am - 12:36 amBOS-SJU
14h 06m2 stops
2:05 am - 10:11 amSJU-BOS
9h 06m1 stop
$226United Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
11:25 am - 4:39 pmBOS-SJU
4h 14mnonstop
5:00 am - 8:17 amSJU-BOS
4h 17mnonstop
$233JetBlue
Find Deal
Sat, Feb 1 - Sun, Feb 9
6:00 am - 3:32 pmBOS-SJU
8h 32m1 stop
1:59 am - 5:04 amSJU-BOS
4h 05mnonstop
$239JetBlue
Find Deal
Tue, Dec 10 - Thu, Dec 12
10:26 am - 3:31 pmBOS-SJU
4h 05mnonstop
$38Frontier
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Tue, Jan 14
12:43 pm - 5:53 pmBOS-SJU
4h 10mnonstop
$40Spirit Airlines
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Tue, Jan 7
3:54 pm - 5:00 amBOS-SJU
12h 06m1 stop
$93American Airlines
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Wed, Feb 19
5:16 am - 3:43 pmBOS-SJU
9h 27m1 stop
$107American Airlines
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Mon, Nov 25
10:20 pm - 3:13 amBOS-SJU
3h 53mnonstop
$118JetBlue
Find Deal
Mon, Nov 25
8:10 am - 1:15 pmBOS-SJU
4h 05mnonstop
$142Delta
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Wed, Dec 4
6:00 am - 9:26 pmBOS-SJU
14h 26m2 stops
$147United Airlines
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Sat, Dec 7
8:10 am - 1:15 pmBOS-SJU
4h 05mnonstop
$148Delta
Find Deal
Tue, Nov 26
10:59 pm - 9:57 amBOS-SJU
9h 58m1 stop
$156JetBlue
Find Deal
Sat, Feb 22
9:30 am - 12:36 amBOS-SJU
14h 06m2 stops
$161United Airlines
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Sat, Dec 7
5:30 am - 12:42 amBOS-SJU
18h 12m1 stop
5:01 am - 8:27 amSJU-BOS
4h 26mnonstop
Mon, Nov 25 - Sat, Dec 7
5:30 am - 12:42 amBOS-SJU
18h 12m1 stop
9:32 pm - 9:38 amSJU-BOS
13h 06m1 stop
Mon, Nov 25 - Sat, Dec 7
8:43 pm - 10:07 amBOS-SJU
12h 24m1 stop
4:25 pm - 9:33 amSJU-BOS
18h 08m1 stop
$164Spirit Airlines
Find Deal
Fri, Nov 22 - Tue, Nov 26
8:43 pm - 10:07 amBOS-SJU
12h 24m1 stop
4:25 pm - 9:33 amSJU-BOS
18h 08m1 stop
$166Spirit Airlines
Find Deal
Sat, Nov 23 - Tue, Nov 26
11:10 am - 4:09 pmBOS-SJU
3h 59mnonstop
7:00 am - 10:10 amSJU-BOS
4h 10mnonstop
$196Frontier
Find Deal
Mon, Nov 25 - Wed, Nov 27
11:10 am - 4:09 pmBOS-SJU
3h 59mnonstop
7:00 am - 10:10 amSJU-BOS
4h 10mnonstop
$198Frontier
Find Deal
Fri, Nov 22 - Wed, Nov 27
8:10 am - 1:15 pmBOS-SJU
4h 05mnonstop
2:08 pm - 5:30 pmSJU-BOS
4h 22mnonstop
$239Delta
Find Deal
Sat, Nov 23 - Wed, Dec 4
7:55 pm - 12:55 amBOS-SJU
4h 00mnonstop
1:26 pm - 4:41 pmSJU-BOS
4h 15mnonstop
$245JetBlue
Find Deal
Sat, Nov 23 - Wed, Nov 27
10:20 pm - 3:13 amBOS-SJU
3h 53mnonstop
6:01 am - 9:10 amSJU-BOS
4h 09mnonstop
$259JetBlue
Find Deal
Sun, Nov 24 - Wed, Dec 4
8:10 am - 1:15 pmBOS-SJU
4h 05mnonstop
2:08 pm - 5:30 pmSJU-BOS
4h 22mnonstop
$264Delta
Find Deal
Fri, Nov 22 - Tue, Dec 3
10:03 am - 3:07 pmBOS-SJU
4h 04mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
$88Frontier
Find Deal
Mon, Feb 3 - Fri, Feb 7
10:03 am - 3:07 pmBOS-SJU
4h 04mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
$89Frontier
Find Deal
Tue, Jan 21 - Wed, Jan 29
10:03 am - 3:07 pmBOS-SJU
4h 04mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
$90Frontier
Find Deal
Tue, Jan 28 - Thu, Feb 6
9:27 am - 2:32 pmBOS-SJU
4h 05mnonstop
5:25 am - 8:51 amSJU-BOS
4h 26mnonstop
$94Frontier
Find Deal
Sat, Dec 7 - Fri, Dec 13
9:27 am - 2:32 pmBOS-SJU
4h 05mnonstop
6:48 pm - 10:14 pmSJU-BOS
4h 26mnonstop
Sat, Dec 7 - Sat, Dec 21
12:43 pm - 5:53 pmBOS-SJU
4h 10mnonstop
5:35 am - 9:03 amSJU-BOS
4h 28mnonstop
Wed, Jan 8 - Fri, Jan 17
10:50 pm - 3:48 amBOS-SJU
3h 58mnonstop
8:00 am - 11:14 amSJU-BOS
4h 14mnonstop
$195JetBlue
Find Deal
Tue, Dec 31 - Fri, Jan 17
6:00 pm - 10:58 pmBOS-SJU
3h 58mnonstop
7:00 am - 10:11 amSJU-BOS
4h 11mnonstop
$203JetBlue
Find Deal
Tue, Dec 10 - Wed, Dec 18
8:10 am - 1:18 pmBOS-SJU
4h 08mnonstop
2:13 pm - 5:40 pmSJU-BOS
4h 27mnonstop
$213Delta
Find Deal
Tue, Dec 10 - Fri, Dec 13
8:10 am - 1:15 pmBOS-SJU
4h 05mnonstop
2:13 pm - 5:40 pmSJU-BOS
4h 27mnonstop
$248Delta
Find Deal
Wed, Dec 4 - Tue, Dec 10

Delta flights from Boston to San Juan

Our best Delta deals on Boston to San Juan flight tickets
Delta
Dec 10
BOS8:10 amBoston Logan Intl
4h 08m
SJU1:18 pmSan Juan Luis Munoz Marin Intl
Dec 17
SJU2:13 pmSan Juan Luis Munoz Marin Intl
4h 27m
BOS5:40 pmBoston Logan Intl
Delta
Nov 23
BOS8:10 amBoston Logan Intl
4h 05m
SJU1:15 pmSan Juan Luis Munoz Marin Intl
Dec 4
SJU2:08 pmSan Juan Luis Munoz Marin Intl
4h 22m
BOS5:30 pmBoston Logan Intl
Delta
Dec 4
BOS8:10 amBoston Logan Intl
4h 05m
SJU1:15 pmSan Juan Luis Munoz Marin Intl
Dec 10
SJU2:13 pmSan Juan Luis Munoz Marin Intl
4h 27m
BOS5:40 pmBoston Logan Intl

United Airlines flights from Boston to San Juan

Our best United Airlines deals on Boston to San Juan flight tickets
United Airlines
Jan 28
BOS10:25 amBoston Logan Intl
10h 57m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 56m
2 stops
BOS2:01 pmBoston Logan Intl
United Airlines
Dec 10
BOS9:30 amBoston Logan Intl
14h 06m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Dec 17
SJU2:05 amSan Juan Luis Munoz Marin Intl
9h 06m
1 stop
BOS10:11 amBoston Logan Intl
United Airlines
Nov 25
BOS10:45 amBoston Logan Intl
9h 10m
1 stop
SJU8:55 pmSan Juan Luis Munoz Marin Intl
Nov 27
SJU2:05 amSan Juan Luis Munoz Marin Intl
6h 38m
1 stop
BOS7:43 amBoston Logan Intl

See travel insights to San Juan from

How to get the cheapest flight ticket from Boston to San Juan

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

What is the cheapest month to fly from Boston to San Juan?

September. The cheapest time of year to fly to San Juan from Boston is September. Most expensive is December

What is the cheapest day to depart Boston for San Juan?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday

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

At noon. Boston to San Juan flights are approximately 4% more expensive in the morning than at noon

What is the cheapest Boston to San Juan flight route?

Boston Logan Intl - San Juan Luis Munoz Marin Intl. Fly from Boston Logan Intl to San Juan Luis Munoz Marin Intl for the best Boston - San Juan flight prices

How far in advance should you book Boston to San Juan flights?

15 days before. The cheapest time to buy a flight from Boston to San Juan is approximately 15 days to departure

Can stopping save me money on Boston to San Juan flights?

No. A direct flight is the cheapest option for a flight between Boston to San Juan.

What is the typical price of a round-trip flight between Boston and San Juan?


Cheap Boston to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Juan

Best Price Found

$38

Fastest flight time

3h 53m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in San Juan

1 airport
The best one-way flight to San Juan from Boston in the past 72 hours is $38. The best round-trip flight deal from Boston to San Juan found on momondo in the last 72 hours is $88.
The fastest flight from Boston to San Juan takes 3h 53m
Direct flights go from Boston to San Juan on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Frontier and JetBlue.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)

  • How far is Boston Logan Intl to San Juan by plane?

    San Juan is 1675.2 mi away from Boston Logan Intl. By plane, this route typically takes 4h 04m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to San Juan?

    Prices for flights from Boston Logan Intl Airport to San Juan were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to San Juan?

  • How old do you have to be to fly from Boston Logan Intl Airport to San Juan?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan 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 San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Boston to San Juan

Compare and see reviews for airlines that fly from Boston to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $72Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
DeltaPriceFrom $146Free CancellationRating
8.0
8,756 reviews
Search Delta flights
JetBluePriceFrom $147Free CancellationRating
7.4
3,394 reviews
Search JetBlue flights
American AirlinesPriceFrom $244Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $312Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
SouthwestPriceFrom $572Free CancellationRating
8.1
5,014 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Juan?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to San Juan. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to San Juan?

Once all potential Boston to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan