AirHint found the following cheapest return flights from San Diego (SAN) to Singapore (SIN) in April 2026 (see full year).
Return flights
| 23 Apr - 05 May | Alaska Airlines | ||
| 11 Apr - 18 Apr | Hawaiian Airlines | ||
| 04 Apr - 11 Apr | Frontier Airlines | ||
| 10 Apr - 22 Apr | Delta | ||
| 02 Apr - 11 Apr | United | ||
| 05 Apr - 11 Apr | United | ||
| 03 Apr - 11 Apr | United |
Also check the deals for one-way flights from San Diego to Singapore in April.
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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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