Cheapest return flights from Seattle to Singapore in October from 601€
AirHint found the following cheapest return flights from Seattle (SEA) to Singapore (SIN)
in October 2025 (see full year ).
Return flights
28 Oct
- 06 Nov
Air Canada
601 €
21 Oct
- 30 Oct
Air Canada
606 €
23 Oct
- 28 Oct
Air Canada
610 €
16 Oct
- 21 Oct
Air Canada
611 €
21 Oct
- 01 Nov
Air Canada
614 €
24 Oct
- 20 Nov
Air Canada
614 €
30 Oct
- 15 Nov
Air Canada
621 €
23 Oct
- 19 Nov
United
642 €
20 Oct
- 31 Oct
Asiana Airlines
665 €
21 Oct
- 30 Oct
Singapore Airlines
701 €
direct
24 Oct
- 20 Nov
Singapore Airlines
701 €
direct
28 Oct
- 06 Nov
Singapore Airlines
707 €
direct
02 Oct
- 05 Oct
United
724 €
21 Oct
- 01 Nov
Singapore Airlines
733 €
direct
16 Oct
- 21 Oct
Singapore Airlines
735 €
direct
11 Oct
- 18 Oct
Singapore Airlines
740 €
direct
30 Oct
- 15 Nov
Singapore Airlines
752 €
direct
Also check the deals for one-way flights from Seattle to Singapore in October .
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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