Cheapest return flights from Seattle to Singapore in July from $708

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

Return flights

17 Jul - 31 Jul Air Canada
27 Jul - 03 Aug Air Canada
08 Jul - 15 Jul Air Canada
13 Jul - 22 Jul Air Canada
09 Jul - 28 Aug Asiana Airlines
05 Jul - 17 Jul Air Canada
01 Jul - 31 Jul Air Canada
25 Jul - 30 Aug United
01 Jul - 03 Jul United
01 Jul - 12 Aug United
25 Jul - 30 Aug Singapore Airlines direct
27 Jul - 03 Aug Singapore Airlines direct
05 Jul - 17 Jul Singapore Airlines direct

Also check the deals for one-way 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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