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Cheap flights from St. Louis to Singapore from S$ 1,842

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14-10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SIN
10 May — 17 May1
1 adult
Fri 10-5
Fri 17-5

How far in advance should I book a flight from St. Louis to Singapore?

Find a great deal and save up to 2% by booking at least 10 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Singapore within the next two weeks, with the cheapest ticket starting at S$ 1,823.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Singapore. Flights to Singapore from St. Louis in April are about S$ 2,303 on average during April, but can be found for as low as S$ 1,849.

When is the cheapest time to fly from St. Louis to Singapore (STL - 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.

Cheap United Airlines flights from St. Louis to Singapore

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Singapore. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 189,486 searches. Data last updated 5 May 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from St. Louis to Singapore. Come back soon if you're not finding the exact deal you're looking for.
Mon 14-1007:15STL - SIN
1 stop22h 30mUnited Airlines
Mon 28-1010:15SIN - STL
1 stop27h 12mUnited Airlines
Deal found 5-5S$ 1,842
Mon 14-1008:55STL - SIN
2 stops32h 20mUnited Airlines
Mon 28-1022:20SIN - STL
2 stops25h 07mUnited Airlines
Deal found 5-5S$ 1,849
Sat 12-1017:34STL - SIN
2 stops36h 11mUnited Airlines
Sat 19-1008:45SIN - STL
1 stop21h 23mUnited Airlines
Deal found 5-5S$ 1,942

Cheap Qatar Airways flights from St. Louis to Singapore

Explore cheap flight options specifically provided by Qatar Airways for the route between St. Louis and Singapore. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 189,486 searches. Data last updated 5 May 2024.
Have a look at some of the cheapest available Qatar Airways flights departing from St. Louis and landing in Singapore. Deals are refreshing constantly so come back soon for more options.
Mon 14-1007:00STL - SIN
2 stops43h 45mQatar Airways
Sun 27-1002:00SIN - STL
2 stops32h 31mQatar Airways
Deal found 5-5S$ 1,854
Sat 12-1019:00STL - SIN
2 stops36h 45mQatar Airways
Fri 18-1002:15SIN - STL
2 stops32h 20mQatar Airways
Deal found 5-5S$ 1,900

Cheap St. Louis to Singapore flights in May & June 2024

Find cheap flight options from St. Louis to Singapore specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 189,486 searches. Prices were last updated on 5 May 2024.
Check out some of the best flight deals from St. Louis to Singapore in 2024. Check back in a little while for more flight options.
Tue 4-611:00STL - SIN
2 stops40h 55mMultiple Airlines
Sat 15-623:35SIN - STL
2 stops34h 30mMultiple Airlines
Deal found 5-5S$ 6,836
Tue 4-607:00STL - SIN
2 stops28h 20mJapan Airlines
Fri 14-601:50SIN - STL
2 stops24h 22mJapan Airlines
Deal found 5-5S$ 7,856
Tue 4-608:25STL - SIN
2 stops43h 10mLufthansa
Sat 15-623:40SIN - STL
1 stop26h 50mLufthansa
Deal found 5-5S$ 10,440
Tue 4-611:40STL - SIN
3 stops38h 45mCathay Pacific
Sat 15-620:30SIN - STL
2 stops63h 28mCathay Pacific
Deal found 5-5S$ 20,485
Tue 4-611:40STL - SIN
3 stops38h 45mCathay Pacific
Fri 14-601:45SIN - STL
2 stops34h 13mCathay Pacific
Deal found 5-5S$ 30,251

St. Louis to Singapore 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Singapore in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 189,486 searches. Data last updated 5 May 2024.
Check out some of the best flight deals from St. Louis to Singapore in 2024. Check back in a little while for more flight options.
Mon 14-1007:15STL - SIN
1 stop22h 30mUnited Airlines
Mon 28-1010:15SIN - STL
1 stop27h 12mUnited Airlines
Deal found 5-5S$ 1,842
Mon 14-1008:55STL - SIN
2 stops32h 20mUnited Airlines
Mon 28-1022:20SIN - STL
2 stops25h 07mUnited Airlines
Deal found 5-5S$ 1,849
Sat 12-1016:05STL - SIN
2 stops50h 05mAir Canada
Sat 19-1009:10SIN - STL
2 stops43h 10mAir Canada
Deal found 5-5S$ 1,851
Mon 14-1007:00STL - SIN
2 stops43h 45mQatar Airways
Sun 27-1002:00SIN - STL
2 stops32h 31mQatar Airways
Deal found 5-5S$ 1,854
Sat 12-1019:00STL - SIN
2 stops36h 45mQatar Airways
Fri 18-1002:15SIN - STL
2 stops32h 20mQatar Airways
Deal found 5-5S$ 1,900
Fri 15-1107:15STL - SIN
1 stop23h 00mUnited Airlines
Tue 19-1110:15SIN - STL
1 stop20h 48mUnited Airlines
Deal found 4-5S$ 1,909
Fri 15-1105:30STL - SIN
2 stops24h 45mUnited Airlines
Tue 19-1122:20SIN - STL
2 stops28h 23mUnited Airlines
Deal found 4-5S$ 1,916
Sat 12-1017:34STL - SIN
2 stops36h 11mUnited Airlines
Sat 19-1008:45SIN - STL
1 stop21h 23mUnited Airlines
Deal found 5-5S$ 1,942
Sat 12-1017:30STL - SIN
3 stops56h 55mCathay Pacific
Fri 18-1001:45SIN - STL
2 stops31h 22mCathay Pacific
Deal found 5-5S$ 1,963

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 189,486 searches. Data last updated 5 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

S$ 1,842 - S$ 2,309

Route

Depart

Return

Price

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Mon 14-10

1 stop22h 30m

Singapore Changi

Mon 28-10

2 stops31h 15m

S$ 1,842

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Mon 14-10

2 stops32h 20m

Singapore Changi

Mon 28-10

2 stops25h 07m

S$ 1,849

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 12-10

2 stops50h 05m

Singapore Changi

Sat 19-10

2 stops43h 10m

S$ 1,851

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Mon 14-10

2 stops43h 45m

Singapore Changi

Sun 27-10

2 stops32h 31m

S$ 1,854

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 12-10

2 stops36h 45m

Singapore Changi

Fri 18-10

2 stops32h 20m

S$ 1,900

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 12-10

2 stops36h 11m

Singapore Changi

Sat 19-10

1 stop21h 23m

S$ 1,942

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 12-10

3 stops56h 55m

Singapore Changi

Fri 18-10

2 stops31h 22m

S$ 1,963

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 12-10

1 stop38h 10m

Singapore Changi

Sat 19-10

1 stop27h 58m

S$ 2,168

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Mon 14-10

3 stops32h 55m

Singapore Changi

Mon 28-10

2 stops36h 52m

S$ 2,309

Flights are sorted by cheapest first

Deals found on 5-5

When is the best time to book a flight from St. Louis to Singapore?

Use this chart to determine the optimal time to book a return flight from St. Louis to Singapore. Price data was last updated on 3 May 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Singapore, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from St. Louis to Singapore?

Use this chart to determine the cheapest time to fly return from St. Louis to Singapore. Price data was last updated on 28 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their St. Louis to Singapore flight should consider departing on Friday 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.
Search Deals

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 5 May 2024.
Get a feel of what it's like to fly with United Airlines, Qatar Airways and Cathay Pacific 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.
Japan Airlines
8.3
Very Good
1,482 reviews
Check prices

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Food

7.9

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Japan Airlines
8.3
Very Good
1,482 reviews
Japan Airlines
8.3
Very Good
1,482 reviews
Check prices

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Food

7.9

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Cathay Pacific
7.8
Good
1,107 reviews
Japan Airlines
8.3
Very Good
1,482 reviews
Check prices

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Food

7.9

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Qatar Airways
7.7
Good
4,439 reviews
Japan Airlines
8.3
Very Good
1,482 reviews
Check prices

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Food

7.9

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

United Airlines
7.4
Good
11,118 reviews
Japan Airlines
8.3
Very Good
1,482 reviews
Check prices

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Food

7.9

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

American Airlines
7.3
Good
14,713 reviews
Japan Airlines
8.3
Very Good
1,482 reviews
Check prices

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Food

7.9

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

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.

  • Can I find flights from St. Louis to Singapore for under S$ 1,900 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Singapore for under S$ 1,900. The cheapest flight booked recently is on United Airlines for just S$ 1,842, but on average you can expect to pay S$ 10,396.

  • 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$ 1,842. Other airlines that can offer you cheap pricing are Air Canada, from S$ 1,851, and Qatar Airways, from S$ 1,854. United Airlines is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • What does STL to SIN mean?

    STL stands for Lambert-St Louis Airport, while SIN stands for Singapore Changi Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Singapore that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Singapore flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Singapore with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Singapore flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Singapore that allow pets onboard?

    Many airlines flying from St. Louis to Singapore offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Singapore?

    Yes, you can often find last-minute deals on St. Louis to Singapore flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Singapore flight deals updated?

    The St. Louis to Singapore flight deals you see on this page were last updated on 5-5.

See more FAQs

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.

Top airline flying from St. Louis to Singapore

Discover the top airline that operate flights from St. Louis to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 189,486 searches. Data last updated 5 May 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 2,504AverageS$ 2,806FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Singapore by cabin class

Find flights from St. Louis to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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?

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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