Cheapest one-way flights from Seattle to Singapore in July from $432

AirHint found the following cheapest one-way flights from Seattle (SEA) to Singapore (SIN) in July 2025 (see full year).

One-Way flights

13 Jul Asiana Airlines
12 Jul Asiana Airlines
27 Jul Asiana Airlines
15 Jul Asiana Airlines
11 Jul Asiana Airlines
08 Jul Air Canada
07 Jul Delta
27 Jul Singapore Airlines direct
15 Jul Singapore Airlines direct
08 Jul Singapore Airlines direct

Also check the deals for return flights from Seattle to Singapore in July.

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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