Washington, D.C.: cheap flights and the best time to go
Free museums and monuments. District of Columbia · 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: April, May, September (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 | 44°F | 30°F | 2.9 in | … |
| February | 48°F | 31°F | 2.6 in | … |
| March | 56°F | 38°F | 3.5 in | … |
| April (a best month) | 67°F | 48°F | 3.2 in | … |
| May (a best month) | 76°F | 58°F | 3.9 in | … |
| June | 85°F | 67°F | 4.2 in | … |
| July | 89°F | 72°F | 4.3 in | … |
| August | 87°F | 70°F | 3.3 in | … |
| September (a best month) | 80°F | 64°F | 3.9 in | … |
| October | 69°F | 52°F | 3.7 in | … |
| November | 58°F | 41°F | 2.9 in | … |
| December | 48°F | 34°F | 3.4 in | … |
Typical daily high and low and total rain, 1991–2020: NOAA NCEI GHCN-Daily, station WASHINGTON REAGAN NATL AP (6 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.