Cheap flights from St. Louis to Singapore from £389
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How much do flights to Singapore cost?
Cheapest one-way trip | £389 |
|---|---|
Cheapest round-trip | £1,055 |
Average round-trip | £1,071 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
Getting from Singapore's airport to the city center
Fastest options: MRT train. Best value: public bus. Most convenient: taxi or private transfer.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
30-45 min | $1.50 – $2.50; fare varies by destination; EZ-Link or contactless payment | every 5–8 min (traffic dependent) | budget travelers | |
60-90 min | $1.50 – $2.50; EZ-Link or contactless payment | every 10–20 min (traffic dependent) | lowest cost option | |
25-45 min | $25 – $45; metered fare plus airport surcharge (SGD 3–5); peak hour and midnight surcharges apply | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
25-45 min | $20 – $50; dynamic pricing; varies with demand and time of day | on-demand 24/7 (traffic dependent) | app-based booking | |
25-40 min | $55 – $120; fixed price; advance booking recommended | pre-booked (traffic dependent) | business travelers | |
25-45 min | $80 – $200; per day; excludes fuel and ERP charges | on-demand (traffic dependent) | flexible itineraries |
Notes:
- Prices in SGD (approximately USD 1 = SGD 1.35); table created in 2025 and subject to change.
- MRT operates from approximately 5:30 AM to midnight; last train times vary by line.
- Taxis have a SGD 3–5 airport surcharge; additional peak hour (6–9:30 AM, 6–12 AM weekdays) and midnight (12–6 AM) surcharges apply.
- EZ-Link cards can be purchased at the airport and used on MRT and buses.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Singapore
Check-in for a flight from St. Louis to Singapore
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Alaska Airlines | ASA | AS | No |
| Korean Air | KAL | KE | Yes |
| Frontier Airlines | FFT | F9 | No |
| Singapore Airlines | SIA | SQ | No |
| Cathay Pacific | CPA | CX | No |
Online check-in is not available for these airlines.
Weather in Singapore
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 29°C | 24°C |
| February | 29°C | 24°C |
| March | 30°C | 25°C |
| April | 30°C | 25°C |
| May | 30°C | 26°C |
| June | 30°C | 26°C |
| July | 30°C | 26°C |
| August | 30°C | 26°C |
| September | 30°C | 25°C |
| October | 30°C | 25°C |
| November | 29°C | 25°C |
| December | 29°C | 24°C |
14 day forecast
Frequently asked questions
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