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Cheap flights from St. Louis to Singapore from S$ 833

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17-3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
27 Jan — 3 Feb1
1 adult

Cheap flight deals from St. Louis to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 January 2025.

Round-trip from

S$ 1,408

One-way from

S$ 833

Popular in

August

Cheapest in

November

Average price

S$ 2,144
2-3-11-3
  • 2-3-11-3
  • 4 total stops
  • 62h 39m total
  • St. Louis to Singapore
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United Airlines
  • United Airlines
  • 17-3
  • 2 total stops
  • 33h 40m total
  • St. Louis to Singapore
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Highest demand for flights based on searches. 1% potential increase in price (S$ 53 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (S$ 63 potential savings vs. average return price).
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Average for round-trip flights in January 2025
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Find flight deals from St. Louis to Singapore

Cheapest flights from St. Louis to Singapore
Explore the most affordable flight options available from St. Louis to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Sun 2-307:00STL - SIN
2 stops27h 35mMultiple Airlines
Tue 11-301:55SIN - STL
2 stops35h 04mMultiple Airlines
Deal found 21-1S$ 1,408
Tue 4-213:45STL - SIN
2 stops28h 15mUnited Airlines
Tue 11-210:10SIN - STL
1 stop21h 59mUnited Airlines
Deal found 21-1S$ 1,481
Tue 4-206:00STL - SIN
2 stops28h 10mKorean Air
Mon 10-201:30SIN - STL
2 stops35h 39mKorean Air
Deal found 21-1S$ 1,700
Fri 12-914:50STL - SIN
2 stops29h 10mQatar Airways
Fri 26-902:15SIN - STL
2 stops30h 39mQatar Airways
Deal found 21-1S$ 1,792
Sun 11-518:23STL - SIN
2 stops35h 02mFinnair
Wed 21-521:35SIN - STL
2 stops33h 44mFinnair
Deal found 20-1S$ 1,805
Sun 11-506:30STL - SIN
2 stops28h 10mDelta
Tue 20-501:10SIN - STL
2 stops33h 23mDelta
Deal found 21-1S$ 1,838
Mon 17-211:04STL - SIN
3 stops39h 16mCathay Pacific
Mon 24-206:40SIN - STL
2 stops25h 25mCathay Pacific
Deal found 20-1S$ 1,940
Wed 10-1215:45STL - SIN
1 stop35h 15mLufthansa
Thu 8-123:55SIN - STL
1 stop28h 00mLufthansa
Deal found 21-1S$ 2,075
Thu 11-1213:30STL - SIN
2 stops28h 25mAir Canada
Thu 8-110:00SIN - STL
2 stops43h 26mAir Canada
Deal found 21-1S$ 2,428
Thu 25-909:50STL - SIN
2 stops31h 25mJapan Airlines
Wed 8-1021:50SIN - STL
2 stops38h 03mJapan Airlines
Deal found 21-1S$ 2,611
Sat 24-508:10STL - SIN
2 stops33h 30mANA
Sun 1-622:10SIN - STL
2 stops27h 10mANA
Deal found 21-1S$ 7,221

Find flights from St. Louis to Singapore within your budget

Customise your flight search to find flights from St. Louis to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 2-3

07:00-00:35

2 stops27h 35m

Singapore Changi

Tue 11-3

01:55-23:59

2 stops35h 04m

S$ 1,408

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 4-2

13:45-08:00

2 stops28h 15m

Singapore Changi

Tue 11-2

10:10-18:09

1 stop21h 59m

S$ 1,481

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 4-2

06:00-00:10

2 stops28h 10m

Singapore Changi

Mon 10-2

01:30-23:09

2 stops35h 39m

S$ 1,700

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

18:23-18:25

2 stops35h 02m

Singapore Changi

Wed 21-5

21:35-18:19

2 stops33h 44m

S$ 1,805

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

06:30-05:00

2 stops33h 30m

Singapore Changi

Tue 20-5

01:10-21:33

2 stops33h 23m

S$ 1,838

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 17-2

11:04-16:20

3 stops39h 16m

Singapore Changi

Mon 24-2

06:40-18:05

2 stops25h 25m

S$ 1,940

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

15:30-16:05

1 stop35h 35m

Singapore Changi

Tue 20-5

00:05-13:30

2 stops26h 25m

S$ 3,150

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 24-5

08:10-06:40

2 stops33h 30m

Singapore Changi

Sun 1-6

22:10-12:20

2 stops27h 10m

S$ 7,221

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Thu 20-2

07:04-06:40

2 stops33h 36m

Singapore Changi

Sun 2-3

02:20-23:08

2 stops34h 48m

S$ 8,081

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 17-3

08:20-07:00

2 stops33h 40m

S$ 833

Flights are sorted by cheapest return flights first.

Deals found on 21-1

Showing 1-10 of 11 results
1
2

Best time to book a flight from St. Louis to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Singapore

Get recent, data-driven insights about flights from St. Louis to Singapore including ideal travel times, pricing trends, and more.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 22 January 2025.
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,039 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very Good
852 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very Good
1,449 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very Good
8,521 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Finnair
7.6
Good
1,286 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Singapore round-trip?

    Cheapflights users have booked flights from St. Louis to Singapore round-trip from S$ 1,481. Other airlines that can offer you cheap pricing are Korean Air, from S$ 1,700, and Finnair, from S$ 1,805. United Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from St. Louis to Singapore that include hotel bookings?

    Yes. In addition to deals on St. Louis to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Singapore.

  • Can I find deals for business class flights from St. Louis to Singapore?

    Yes. Cheapflights offers flight deals from St. Louis to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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