Cheapest return flights from Denver to Singapore in May from $899

AirHint found the following cheapest return flights from Denver (DEN) to Singapore (SIN) in May 2026 (see full year).

Return flights

12 May - 22 May Frontier Airlines
08 May - 10 May Singapore Airlines

Also check the deals for one-way flights from Denver to Singapore in May.

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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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