Lisbon (LIS) to Singapore (SIN) cheap flight deal from $2434 USD in business class – flightdeals.net

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Finnair

Round Trip•Business Class

Portela Airport

Lisbon, Portugal

Singapore Changi Airport

Singapore, Singapore

$3,716 USD

-34%$2,434 USD

Verified Sep 20, 2025 at 7:44 PM

October 2025

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29 30 1$4,920 2$4,577 3$4,920 4$4,920 5$4,920 6 7$4,920 8 9 10$4,920 11$4,920 12$4,920 13$4,920 14 15 16$4,920 17 18 19 20$3,696 21$3,510 22$3,696 23$4,577 24$4,577 25$4,039 26$3,696 27$3,510 28$3,696 29$3,696 30$4,577 31$4,577 1 2

Rare Availability

5% of dates checked are available within 10% of the lowest price

Tuesday, October 14th, 2025

0 round-trip options

No flight details available for this date.