£77+ Cheap flights from San Juan

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 15/10. 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
20 Aug — 27 Aug1
1 adult

What to know about flights from San Juan

Discover essential information about flights departing from San Juan, including flight schedules, destinations, airlines operating at the San Juan 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 15 August 2025.

Cheapest one-way flight

£102

Cheapest airline

JetBlue

Most popular destination

New York John F Kennedy Intl (JFK)
The cheapest one-way flight from San Juan is currently to New York John F Kennedy Intl.
Search Deals
On average, JetBlue currently has the cheapest one-way flight from San Juan (avg. price of £191).
Search Deals
New York John F Kennedy Intl (JFK) is currently the most popular flight destination from San Juan (average return price of £236).
Search Deals

Find flights from San Juan

Cheapest flights from San Juan
Explore the most affordable flight options available from San Juan. Find the lowest fares based on data from user searches, with prices last updated on 15 August 2025.

Sat 13/912:58SJU - EWR
1 stop8h 07mDelta
Mon 15/906:00EWR - SJU
1 stop6h 59mDelta
Deal found 13/8£100
Thu 6/1118:43SJU - EWR
1 stop7h 16mDelta
Tue 11/1106:00EWR - SJU
1 stop7h 15mDelta
Deal found 13/8£133
Sat 13/914:15SJU - EWR
1 stop9h 16mDelta
Sat 27/906:00EWR - SJU
1 stop6h 59mDelta
Deal found 13/8£144
Tue 23/917:41SJU - EWR
1 stop7h 15mDelta
Sat 27/906:00EWR - SJU
1 stop6h 59mDelta
Deal found 13/8£155
Thu 13/1112:49SJU - EWR
Nonstop4h 11mJetBlue
Sun 16/1106:00EWR - SJU
Nonstop3h 49mJetBlue
Deal found 14/8£157
Thu 11/901:05SJU - EWR
Nonstop4h 10mUnited Airlines
Wed 1/1019:54EWR - SJU
Nonstop4h 03mUnited Airlines
Deal found 14/8£159
Fri 30/115:30SJU - EWR
1 stop10h 29mDelta
Sun 1/206:00EWR - SJU
1 stop7h 16mDelta
Deal found 14/8£166
Tue 21/1001:05SJU - EWR
Nonstop4h 10mUnited Airlines
Fri 24/1019:54EWR - SJU
Nonstop4h 03mUnited Airlines
Deal found 14/8£176
Thu 9/1001:05SJU - EWR
Nonstop4h 10mUnited Airlines
Sun 12/1019:54EWR - SJU
Nonstop4h 03mUnited Airlines
Deal found 12/8£177
Wed 12/1102:05SJU - EWR
Nonstop4h 19mUnited Airlines
Sun 16/1106:00EWR - SJU
1 stop6h 17mUnited Airlines
Deal found 13/8£180
Sat 24/107:00SJU - EWR
Nonstop4h 15mJetBlue
Mon 26/108:05EWR - SJU
Nonstop3h 55mJetBlue
Deal found 13/8£181
Tue 9/1216:05SJU - ATL
1 stop7h 04mJetBlue
Wed 7/113:04ATL - SJU
1 stop10h 33mJetBlue
Deal found 14/8£224

Find flights from San Juan within your budget

 
Find flights departing from San Juan 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 15 August 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Sat 13/9

17:41-00:56

1 stop7h 15m

Newark

Tue 16/9

06:00-16:31

1 stop10h 31m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Sat 13/9

12:58-21:05

1 stop8h 07m

Newark

Mon 15/9

06:00-12:59

1 stop6h 59m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Mon 29/9

14:26-00:56

1 stop10h 30m

Newark

Wed 1/10

08:15-16:31

1 stop8h 16m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Sat 13/9

12:58-00:56

1 stop11h 58m

Newark

Wed 17/9

13:15-22:00

1 stop8h 45m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Mon 29/9

17:41-00:56

1 stop7h 15m

Newark

Thu 2/10

07:10-16:31

1 stop9h 21m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Sat 27/9

07:30-17:55

1 stop10h 25m

Newark

Wed 1/10

13:15-22:00

1 stop8h 45m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Sat 27/9

14:26-21:05

1 stop6h 39m

Newark

Thu 2/10

07:10-16:31

1 stop9h 21m

£100

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Thu 6/11

18:43-00:59

1 stop7h 16m

Newark

Mon 10/11

14:30-23:17

1 stop7h 47m

£133

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Sat 27/9

07:30-14:20

1 stop6h 50m

Newark

Fri 3/10

06:00-16:31

1 stop10h 31m

£133

San JuanNewark

SJU - EWR

SJUEWR

San Juan Luis Munoz Marin Intl

Wed 24/9

17:41-00:56

1 stop7h 15m

Newark

Tue 30/9

13:15-22:00

1 stop8h 45m

£133

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from San Juan

Have a flexible travel schedule? Discover the best time to fly from San Juan 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 San Juan

Get recent, data-driven insights about flights from San Juan including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Juan?

Use this chart to determine the optimal time to book a return flight from San Juan to Heathrow. Price data was last updated on 8 August 2025.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan. 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?

Currently, September is the cheapest month in which you can book a flight from San Juan (average of £74). Flying from San Juan in July will prove the most costly (average of £680). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Puerto Rico

Book a direct flight from one of these other cities located in Puerto Rico.
Direct flights from Aguadilla
Direct flights from Luis Munoz Marin Intl

Related info for your journey

Access useful and relevant information related to your journey from San Juan. 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 15 August 2025.

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

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

  • Where are the cheapest places to fly to from San Juan?

    Check out the cheapest flights from San Juan to embark to:
    Travel from San Juan to London from £398 round trip

  • How does Cheapflights help users find flights from San Juan?

    Deals for flights from San Juan are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from San Juan?

    Cheapflights helps you find that perfect flight from San Juan by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from San Juan with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from San Juan flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from San Juan become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Juan?

Deals for flights from San Juan are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Juan?

Cheapflights helps you find that perfect flight from San Juan by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Juan with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Juan flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Juan become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.