Currently, the most affordable month to book a United Airlines flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in September, with an average price of $250. Conversely, traveling with United Airlines from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in March will be the most expensive, with an average cost of $338. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$278
February
$286
March
$338
April
$296
May
$272
June
$314
July
$330
August
$278
September
$250
October
$265
November
$301
December
$301
SJU Temperature | 77 - 82.4 °F |
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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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).
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