IAD (Washington) to New York in September 2026

Dated one-way fares from IAD (Washington) to New York in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $105

Highest this month $148

Sample fare $105

Airports IAD–LGA

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September 2026 price calendar

From $105 · up to $148

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $146 2 $148 3 $136 4 $120 5 $130 6 $141 7 $137 8 $133 9 $125 10 $115 11 $115 12 $105 13 $105 14 $105 15 $105 16 $106 17 $118 18 $125 19 $125 20 $132 21 $119 22 $119 23 $106 24 $113 25 $121

New York NYC

$105

Sep 12, 7:50am · 8h 10m · 1 stop

IAD → LGA · Frontier Airlines

New York NYC

$106

Sep 16, 7:50am · 8h 10m · 1 stop

IAD → LGA · Frontier Airlines

New York NYC

$106

Sep 23, 7:50am · 8h 10m · 1 stop

IAD → LGA · Frontier Airlines

New York NYC

$118

Sep 17, 8:35am · 1h 24m · 0 stops

IAD → EWR · United Airlines

This page is only September 2026 on the IAD (Washington) to New York route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book IAD (Washington) to New York in September 2026.