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$ 1,467. Other airlines that can offer you cheap pricing are Air Canada, from S$ 1,673, and Qatar Airways, from S$ 1,677. United Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now. Find deals

What is the cheapest day to fly from St. Louis to Singapore?

Travellers seeking maximum savings on their St. Louis to Singapore flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

What is the cheapest month to fly from St. Louis to Singapore?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, November can be a great choice for travel to Singapore. Flights to Singapore from St. Louis in November are about S$ 2,038 on average during November, but can be found for as low as S$ 1,345.

What is the cheapest time of day to fly from STL to SIN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Singapore as you normally would.

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.

S$ 1,467+ Flights from St. Louis to Singapore

Cheap flight deals from St. Louis to Singapore

Round-trip from	S$ 1,467
Popular in	August
Cheapest in	November
Average price	S$ 1,888

United Airlines
11-5-21-5
4 total stops
65h 20m total
St. Louis to Singapore

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (S$ 38 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 70 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

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 21 February 2025.

Sun 11-516:45STL - SIN

2 stops36h 40mUnited Airlines

Wed 21-509:00SIN - STL

1 stop26h 45mUnited Airlines

Deal found 21-2S$ 1,467

Fri 3-1013:30STL - SIN

2 stops28h 35mAir Canada

Sat 11-1009:10SIN - STL

2 stops47h 47mAir Canada

Deal found 20-2S$ 1,551

Sun 6-412:15STL - SIN

3 stops30h 15mMultiple Airlines

Sun 13-423:10SIN - STL

3 stops30h 35mMultiple Airlines

Deal found 20-2S$ 1,580

Wed 19-310:12STL - SIN

2 stops33h 33mQatar Airways

Mon 24-303:15SIN - STL

2 stops32h 03mQatar Airways

Deal found 19-2S$ 1,677

Wed 26-306:50STL - SIN

2 stops33h 10mDelta

Tue 8-401:10SIN - STL

2 stops35h 20mDelta

Deal found 20-2S$ 1,746

Mon 3-306:10STL - SIN

2 stops28h 40mJapan Airlines

Wed 5-302:20SIN - STL

2 stops34h 43mJapan Airlines

Deal found 21-2S$ 1,777

Wed 19-306:15STL - SIN

2 stops29h 10mCathay Pacific

Tue 25-314:05SIN - STL

3 stops46h 04mCathay Pacific

Deal found 19-2S$ 1,928

Sat 24-515:30STL - SIN

2 stops35h 00mKLM

Sat 31-500:40SIN - STL

2 stops29h 10mKLM

Deal found 20-2S$ 2,761

Fri 3-1015:30STL - SIN

1 stop35h 55mLufthansa

Fri 10-1000:05SIN - STL

2 stops28h 16mLufthansa

Deal found 20-2S$ 4,215

Sat 24-508:05STL - SIN

2 stops33h 35mANA

Sun 1-611:05SIN - STL

2 stops38h 15mANA

Deal found 20-2S$ 7,121

Sat 24-519:30STL - SIN

3 stops35h 55mBritish Airways

Sun 1-623:20SIN - STL

2 stops29h 56mBritish Airways

Deal found 20-2S$ 13,489

Best flights from St. Louis to Singapore
Discover carefully curated flight deals from St. Louis to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Sun 11-516:45STL - SIN

2 stops36h 40mUnited Airlines

Wed 21-520:40SIN - STL

2 stops28h 40mUnited Airlines

Deal found 21-2S$ 1,467

Sun 6-412:15STL - SIN

3 stops30h 15mMultiple Airlines

Sun 13-423:10SIN - STL

3 stops30h 35mMultiple Airlines

Deal found 20-2S$ 1,580

Sat 24-513:30STL - SIN

2 stops52h 35mAir Canada

Sun 1-609:10SIN - STL

2 stops40h 26mAir Canada

Deal found 20-2S$ 1,673

Wed 19-310:12STL - SIN

2 stops33h 33mQatar Airways

Mon 24-303:15SIN - STL

2 stops32h 03mQatar Airways

Deal found 19-2S$ 1,677

Wed 26-306:50STL - SIN

2 stops33h 10mDelta

Tue 8-401:10SIN - STL

2 stops35h 20mDelta

Deal found 20-2S$ 1,746

Mon 3-306:10STL - SIN

2 stops28h 40mJapan Airlines

Wed 5-302:20SIN - STL

2 stops34h 43mJapan Airlines

Deal found 21-2S$ 1,777

Wed 19-306:15STL - SIN

2 stops29h 10mCathay Pacific

Tue 25-314:05SIN - STL

3 stops46h 04mCathay Pacific

Deal found 19-2S$ 1,928

Sat 24-515:30STL - SIN

2 stops35h 00mKLM

Sat 31-500:40SIN - STL

2 stops29h 10mKLM

Deal found 20-2S$ 2,761

Sun 6-415:30STL - SIN

1 stop35h 55mLufthansa

Sat 12-400:05SIN - STL

2 stops32h 13mLufthansa

Deal found 20-2S$ 5,041

Sat 24-508:05STL - SIN

2 stops33h 35mANA

Sun 1-611:05SIN - STL

2 stops38h 15mANA

Deal found 20-2S$ 7,121

Sat 24-519:30STL - SIN

3 stops35h 55mBritish Airways

Sun 1-623:20SIN - STL

2 stops29h 56mBritish Airways

Deal found 20-2S$ 13,489

Last-minute flights from St. Louis to Singapore
Discover last-minute flight deals from St. Louis to Singapore. Data last updated 21 February 2025 and is based on user searches.

Thu 27-206:30STL - SIN

2 stops35h 25mAir Canada

Thu 6-301:55SIN - STL

2 stops51h 11mAir Canada

Deal found 21-2S$ 1,913

Thu 27-209:00STL - SIN

1 stop33h 00mUnited Airlines

Mon 3-310:10SIN - STL

1 stop22h 46mUnited Airlines

Deal found 21-2S$ 1,996

Sat 1-315:50STL - SIN

2 stops50h 05mMultiple Airlines

Wed 5-308:05SIN - STL

2 stops45h 01mMultiple Airlines

Deal found 21-2S$ 1,717

Sat 1-315:40STL - SIN

2 stops33h 15mQatar Airways

Tue 4-303:15SIN - STL

2 stops34h 25mQatar Airways

Deal found 21-2S$ 1,728

Mon 3-306:10STL - SIN

2 stops28h 40mJapan Airlines

Wed 5-302:20SIN - STL

2 stops34h 43mJapan Airlines

Deal found 21-2S$ 1,777

Wed 19-310:12STL - SIN

2 stops33h 33mQatar Airways

Mon 24-303:15SIN - STL

2 stops32h 03mQatar Airways

Deal found 19-2S$ 1,677

Wed 19-315:50STL - SIN

2 stops27h 05mAir Canada

Tue 25-310:00SIN - STL

2 stops42h 06mAir Canada

Deal found 19-2S$ 1,716

Wed 19-306:15STL - SIN

2 stops29h 10mCathay Pacific

Tue 25-314:05SIN - STL

3 stops46h 04mCathay Pacific

Deal found 19-2S$ 1,928

Sun 23-316:45STL - SIN

1 stop35h 15mLufthansa

Sat 29-300:05SIN - STL

2 stops32h 18mLufthansa

Deal found 21-2S$ 6,886

Wed 26-311:05STL - SIN

2 stops30h 55mUnited Airlines

Wed 9-409:00SIN - STL

1 stop20h 52mUnited Airlines

Deal found 20-2S$ 1,467

Wed 26-306:50STL - SIN

2 stops33h 10mDelta

Tue 8-401:10SIN - STL

2 stops35h 20mDelta

Deal found 20-2S$ 1,746

Find flights from St. Louis to Singapore within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

16:45-18:25

2 stops36h 40m

Singapore Changi

Wed 21-5

20:40-12:20

2 stops28h 40m

S$ 1,467

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 6-4

12:15-07:30

3 stops30h 15m

Singapore Changi

Sun 13-4

23:10-16:45

3 stops30h 35m

S$ 1,580

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 24-5

13:30-07:05

2 stops52h 35m

Singapore Changi

Sun 1-6

09:10-12:36

2 stops40h 26m

S$ 1,673

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 19-3

10:12-08:45

2 stops33h 33m

Singapore Changi

Mon 24-3

03:15-22:18

2 stops32h 03m

S$ 1,677

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 26-3

06:50-05:00

2 stops33h 10m

Singapore Changi

Tue 8-4

01:10-23:30

2 stops35h 20m

S$ 1,746

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 3-3

06:10-00:50

2 stops28h 40m

Singapore Changi

Wed 5-3

02:20-23:03

2 stops34h 43m

S$ 1,777

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 19-3

06:15-00:25

2 stops29h 10m

Singapore Changi

Tue 25-3

14:05-23:09

3 stops46h 04m

S$ 1,928

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 24-5

15:30-15:30

2 stops35h 00m

Singapore Changi

Sat 31-5

00:40-16:50

2 stops29h 10m

S$ 2,761

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 6-4

15:30-16:25

1 stop35h 55m

Singapore Changi

Sat 12-4

00:05-19:18

2 stops32h 13m

S$ 5,041

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 24-5

08:05-06:40

2 stops33h 35m

Singapore Changi

Sun 1-6

11:05-12:20

2 stops38h 15m

S$ 7,121

Flights are sorted by cheapest return flights first.

Deals found on 21-2

Showing 1-10 of 11 results

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

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

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 a feel of what it's like to fly with ANA, Japan Airlines and Delta from St. Louis to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA

8.4

Very Good

836 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Japan Airlines

8.3

Very Good

1,440 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Delta

8.0

Very Good

8,213 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

KLM

7.8

Good

1,331 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Cathay Pacific

7.5

Good

821 reviews

ANA

8.4

Very Good

836 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Related info for your journey

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$ 1,467. Other airlines that can offer you cheap pricing are Air Canada, from S$ 1,673, and Qatar Airways, from S$ 1,677. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

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How does Cheapflights help users find flights from St. Louis to Singapore?

Cheapflights helps you search for flights from St. Louis to Singapore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Singapore?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Singapore for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis to Singapore with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Singapore, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Singapore become cheaper?

Of course! You can now track prices for flights from St. Louis to Singapore and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from St. Louis to Singapore from S$ 1,467

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11-5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Singapore

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Singapore

Cheapest flights from St. Louis to SingaporeExplore 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 21 February 2025.

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 21 February 2025.

Find flights from St. Louis to Singapore within your budget

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.

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.

Temperature in Singapore by month

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

Reviews of airlines servicing Singapore

Get a feel of what it's like to fly with ANA, Japan Airlines and Delta from St. Louis to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Singapore?

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Singapore?

Can Cheapflights find flights from St. Louis to Singapore with no change fees?

Can Cheapflights notify me if prices for flights from St. Louis to Singapore become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 21 February 2025.