JetBlue flights from London to San Juan Luis Munoz Marin Intl Airport (LON - SJU)

LON — SJU
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Find JetBlue flight deals from London to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest JetBlue flights from London to Luis Munoz Marin Intl

Fri 30/1012:20 -
1 stop27h 06m
Sat 7/1107:00 -
1 stop19h 55m
Deal found 14/9£576
Thu 8/1011:55 -
1 stop33h 01m
Thu 15/1006:00 -
1 stop33h 45m
Deal found 10/9£576
Thu 1/1008:15 -
1 stop16h 19m
Tue 3/1111:20 -
1 stop30h 20m
Deal found 11/9£585
  • How do most travelers feel about JetBlue?

    3,037 Cheapflights users have left reviews for JetBlue and have rated the airline 7.1/10. If you are looking to travel from London to San Juan Luis Munoz Marin Intl Airport on JetBlue, input your dates in the form above for our best prices!

  • Can I get a flight from London to San Juan Luis Munoz Marin Intl Airport on JetBlue for under £741?

    JetBlue offers 9 flights from London to San Juan Luis Munoz Marin Intl Airport for under £741. Prices vary by date and time. To see all prices and select your dates, click here.

JetBlue flights from London to Luis Munoz Marin Intl in 2026

One-way from

£376

Return from

£575

Popular in

December

Cheapest in

February

Average price (all airlines)

£682
JetBlue
  • JetBlue
  • 12/11-31/12
  • 1 total stop
  • 17h 23m total
  • London to San Juan
JetBlue
  • JetBlue
  • 4/11-18/11
  • 2 total stops
  • 39h 48m total
  • London to San Juan
Highest demand for flights from London to San Juan Luis Munoz Marin Intl; 3% potential price increase.
Best time to find cheap flights from London to San Juan Luis Munoz Marin Intl; 2% potential price drop.
Average price for all London to San Juan Luis Munoz Marin Intl flights (one-way and round-trip).

Which month is the cheapest to fly Economy class from London to San Juan Luis Munoz Marin Intl Airport?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are August and July.

Rainfall in Luis Munoz Marin Intl by month

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 55.0 mm.

Temperature in Luis Munoz Marin Intl by month

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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

The best time to book a flight to San Juan Luis Munoz Marin Intl Airport with JetBlue is 42 days before departure. On average, fares are higher if you book 9 days before departure.

Best time to book a flight from London to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from London with our price prediction graph.
Estimated return price

Browse thousands of different options on Cheapflights for your next trip

Fly from London to Luis Munoz Marin Intl on another airline

See what others are saying about JetBlue

JetBlue
7.1
Good
3,038 reviews
Overview

Boarding

7.3

Crew

7.9

Food

6.6

Entertainment

7.2

Comfort

7.4

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.