Cheapest one-way flights from Washington to South Bend in August from $223

Best time to book flights for Washington (IAD) to South Bend (SBN) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to South Bend (SBN) in August 2025 (see full year).

One-Way flights

10 Aug United direct

Also check the deals for return flights from Washington to South Bend in August.

Skyscanner

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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