Boston: cheap flights and the best time to go
History on foot along the Freedom Trail. Massachusetts · Cities, Family
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Cheapest round trip
Safety level
U.S. U.S. destination: no State Department travel advisory
The State Department's travel advisories
Levels: 1 Exercise normal precautions · 2 Exercise increased caution · 3 Reconsider travel · 4 Do not travel. Read the advisory before you book; it can change. Checked 2026-10-07.
Best time to go
For the weather: May, June, July (highs of 62–82°F, not too much rain). With fares from your airport, the best months weigh weather 60% and price 40%.
| Month | High | Low | Rain | Cheapest round trip from JFK |
|---|---|---|---|---|
| January | 37°F | 23°F | 3.4 in | … |
| February | 39°F | 25°F | 3.2 in | … |
| March | 46°F | 31°F | 4.2 in | … |
| April | 57°F | 41°F | 3.6 in | … |
| May (a best month) | 67°F | 50°F | 3.2 in | … |
| June (a best month) | 76°F | 60°F | 3.9 in | … |
| July (a best month) | 82°F | 66°F | 3.3 in | … |
| August | 81°F | 65°F | 3.1 in | … |
| September | 73°F | 58°F | 3.6 in | … |
| October | 62°F | 48°F | 4.0 in | … |
| November | 52°F | 38°F | 3.7 in | … |
| December | 43°F | 29°F | 4.3 in | … |
Typical daily high and low and total rain, 1991–2020: NOAA NCEI GHCN-Daily, station BOSTON (4 km away). ★ = the best three months. Fares are the cheapest found for trips leaving that month in the next year.
Prices are per seat for a round trip in economy; with more than one traveler they're the total for your party (babies under 2 on a lap need no seat). The booking site shows the final price for everyone.