Cheapest one-way flights from Washington to Miami in April from $50

AirHint found the following cheapest one-way flights from Washington (IAD) to Miami (MIA) in April 2026 (see full year).

One-Way flights

06 Apr Frontier Airlines direct
01 Apr Frontier Airlines
04 Apr Frontier Airlines
02 Apr Frontier Airlines
09 Apr United direct
02 Apr United direct
01 Apr United direct
23 Apr Sun Country Airlines
27 Apr Delta
18 Apr Delta

Also check the deals for return flights from Washington to Miami in April.

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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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