£66+ Cheap flights from San Juan Luis Munoz Marin Intl Airport

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SJU — LHR
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Luis Munoz Marin Intl

Discover essential information about flights departing from Luis Munoz Marin Intl, including flight schedules, destinations, airlines operating at the Luis Munoz Marin Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 29 January 2026.

Cheapest one-way flight

£323

Most popular destination

Newark (EWR)

Good round-trip deal

£70 or less

Good one-way deal

£76 or less
The cheapest one-way flight from San Juan Luis Munoz Marin Intl is currently to Newark.
Newark (EWR) is currently the most popular flight destination from San Juan Luis Munoz Marin Intl (average return price of £540).
Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl.

Find flights from Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from Luis Munoz Marin Intl
Explore the most affordable flight options available from Luis Munoz Marin Intl. Find the lowest fares based on data from user searches, with prices last updated on 29 January 2026.

Thu 26/215:30
SJU
-
BOS
Nonstop4h 26m
Spirit Airlines
Sun 1/320:01
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 27/1£94
Wed 25/216:31
SJU
-
BOS
1 stop8h 13m
Spirit Airlines
Sun 1/320:01
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 27/1£98
Sun 15/211:22
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Sun 22/205:27
BOS
-
SJU
1 stop9h 04m
Spirit Airlines
Deal found 27/1£109
Tue 17/211:22
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Sun 22/216:22
BOS
-
SJU
1 stop16h 55m
Spirit Airlines
Deal found 27/1£131
Fri 8/513:30
SJU
-
BOS
Nonstop4h 23m
Delta
Tue 12/508:20
BOS
-
SJU
Nonstop4h 08m
Delta
Deal found 27/1£147
Mon 23/215:30
SJU
-
BOS
Nonstop4h 26m
Spirit Airlines
Sun 1/320:01
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 28/1£152
Fri 20/215:18
SJU
-
EWR
1 stop9h 11m
Spirit Airlines
Sun 22/211:39
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Deal found 27/1£157
Thu 5/305:45
SJU
-
EWR
Nonstop4h 16m
JetBlue
Sun 8/321:00
EWR
-
SJU
Nonstop3h 59m
JetBlue
Deal found 27/1£157
Sun 15/217:45
SJU
-
EWR
Nonstop4h 15m
Spirit Airlines
Sun 22/211:39
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Deal found 27/1£162
Fri 13/211:22
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Sun 15/215:00
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Deal found 28/1£163
Wed 11/217:50
SJU
-
EWR
Nonstop4h 15m
Spirit Airlines
Sun 15/205:15
EWR
-
SJU
1 stop8h 07m
Spirit Airlines
Deal found 27/1£164
Fri 13/217:45
SJU
-
EWR
Nonstop4h 15m
Spirit Airlines
Sun 15/205:15
EWR
-
SJU
1 stop8h 07m
Spirit Airlines
Deal found 27/1£165

Find flights from Luis Munoz Marin Intl within your budget

 
Find flights departing from Luis Munoz Marin Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 29 January 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 25/2

16:31-23:44

1 stop8h 13m

Boston Logan Intl

Sun 1/3

20:01-01:08

Nonstop4h 07m

£98

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 15/2

11:22-14:43

Nonstop4h 21m

Boston Logan Intl

Sun 22/2

15:00-20:06

Nonstop4h 06m

£116

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 28/5

13:30-17:53

Nonstop4h 23m

Boston Logan Intl

Sat 30/5

09:55-16:23

1 stop6h 28m

£151

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 8/5

13:30-17:53

Nonstop4h 23m

Boston Logan Intl

Tue 12/5

06:00-16:23

1 stop10h 23m

£151

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 19/5

07:00-15:19

1 stop8h 19m

Boston Logan Intl

Tue 26/5

08:20-12:28

Nonstop4h 08m

£151

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 17/2

07:30-17:32

1 stop11h 02m

Boston Logan Intl

Sun 22/2

13:04-23:59

1 stop9h 55m

£154

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 4/6

19:49-23:54

Nonstop4h 05m

Boston Logan Intl

Tue 9/6

18:50-23:00

Nonstop4h 10m

£169

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 5/6

19:49-23:54

Nonstop4h 05m

Boston Logan Intl

Tue 9/6

18:50-23:00

Nonstop4h 10m

£169

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Wed 3/6

01:00-05:10

Nonstop4h 10m

Newark

Sun 7/6

19:45-23:50

Nonstop4h 05m

£172

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Thu 30/4

13:25-17:39

Nonstop4h 14m

Newark

Mon 4/5

08:00-12:04

Nonstop4h 04m

£172

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 60 results
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Best time to book a flight from Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly from Luis Munoz Marin Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Luis Munoz Marin Intl

Get recent, data-driven insights about flights from Luis Munoz Marin Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a return flight from Luis Munoz Marin Intl to Heathrow. Price data was last updated on 23 January 2026.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport (average of £73). Flying from San Juan Luis Munoz Marin Intl Airport in June will prove the most costly (average of £708). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Alternate flight departure points to Luis Munoz Marin Intl

Consider leaving from one of these other departure points that are located a short distance from Luis Munoz Marin Intl. Flight origins were last updated on 29 January 2026.

Related info for your journey

Access useful and relevant information related to your journey from Luis Munoz Marin Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 29 January 2026.
  • What are the most popular destinations to fly to from San Juan Luis Munoz Marin Intl Airport?

    This month, the top selected destinations from San Juan Luis Munoz Marin Intl Airport are Fort Lauderdale, Newark Airport, Hartford. Throughout the year, Fort Lauderdale, Newark Airport, Boston are some of the top choices made by users flying from San Juan Luis Munoz Marin Intl Airport.

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to anywhere?

    Users have flown out of San Juan Luis Munoz Marin Intl Airport for as low as £46 to Punta Cana (prices may vary depending on the airline and departure time). On average, users have booked flights for £282 to fly from San Juan Luis Munoz Marin Intl Airport.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to anywhere?

    Over the past few days, we've found that JetBlue, Frontier, and Avianca have the cheapest prices from San Juan Luis Munoz Marin Intl Airport. JetBlue flights from San Juan Luis Munoz Marin Intl Airport to Santo Domingo Las Americas (£88), Frontier flights from San Juan Luis Munoz Marin Intl Airport to Santo Domingo Las Americas (£108), and Avianca flights from San Juan Luis Munoz Marin Intl Airport to Bogotá El Dorado (£123).

  • What is the cheapest first class flight from San Juan Luis Munoz Marin Intl Airport?

    If you’re looking for a cheap first-class flight from San Juan Luis Munoz Marin Intl Airport, consider Houston. Prices start at £752 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport?

    At the present moment the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport is currently September; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Luis Munoz Marin Intl?

    Cheapflights helps you search for flights from Luis Munoz Marin Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Luis Munoz Marin Intl?

    Cheapflights simply makes it quick and affordable to book flights from Luis Munoz Marin Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Luis Munoz Marin Intl with no change fees?

    Need flexible booking options for your flight from Luis Munoz Marin Intl ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Luis Munoz Marin Intl become cheaper?

    Yes! Start tracking prices for flights from Luis Munoz Marin Intl today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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How does Cheapflights help users find flights from Luis Munoz Marin Intl?

Cheapflights helps you search for flights from Luis Munoz Marin Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Luis Munoz Marin Intl?

Cheapflights simply makes it quick and affordable to book flights from Luis Munoz Marin Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Luis Munoz Marin Intl with no change fees?

Need flexible booking options for your flight from Luis Munoz Marin Intl ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Luis Munoz Marin Intl become cheaper?

Yes! Start tracking prices for flights from Luis Munoz Marin Intl today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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