Currently, the most affordable month to book a Delta flight from Phoenix Sky Harbor Intl Airport to Boston in January, with an average price of $218. Conversely, traveling with Delta from Phoenix Sky Harbor Intl Airport to Boston in July will be the most expensive, with an average cost of $328. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$218
February
$220
March
$263
April
$286
May
$276
June
$318
July
$328
August
$285
September
$258
October
$260
November
$258
December
$233
BOS Temperature | 30.2 - 73.4 °F |
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If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
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