Cheapest one-way flights from Seattle to Surabaya in April from $357

AirHint found the following cheapest one-way flights from Seattle (SEA) to Surabaya (SUB) in April 2026 (see full year).

One-Way flights

23 Apr Singapore Airlines
24 Apr Singapore Airlines
09 Apr Singapore Airlines
22 Apr Cathay Pacific

Also check the deals for return flights from Seattle to Surabaya 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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