AirHint found the following cheapest one-way flights from Washington (DCA) to New York (LGA) in March 2026 (see full year).

One-Way flights

04 Mar	jetBlue
16 Mar	jetBlue
11 Mar	American Airlines	direct
16 Mar	American Airlines	direct
08 Mar	American Airlines	direct
04 Mar	American Airlines	direct
02 Mar	Delta	direct
07 Mar	Delta	direct
09 Mar	Delta	direct
23 Mar	Delta	direct

Also check the deals for return flights from Washington to New York in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Washington to New York in March from 29€

One-Way flights