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Cheap flights from Philadelphia to Singapore from $475

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Singapore departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:35 am - 8:00 amPHL-SIN
34h 25m1 stop
United Airlines Logo
10:10 am - 9:52 pmSIN-PHL
24h 42m1 stop
$905United Airlines
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Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
8:35 am - 8:00 amPHL-SIN
34h 25m1 stop
United Airlines Logo
10:10 am - 9:52 pmSIN-PHL
24h 42m1 stop
$906United Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
10:10 am - 8:00 amPHL-SIN
32h 50m2 stops
United Airlines Logo
10:10 am - 9:52 pmSIN-PHL
24h 42m1 stop
$910United Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
6:10 am - 6:25 pmPHL-SIN
24h 15m1 stop
United Airlines Logo
8:45 am - 5:16 amSIN-PHL
32h 31m2 stops
$915United Airlines
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Mon, May 4 - Thu, May 21
Delta Logo
7:05 am - 5:00 amPHL-SIN
33h 55m2 stops
Delta Logo
1:10 am - 11:40 pmSIN-PHL
34h 30m2 stops
$919Delta
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Thu, May 7 - Mon, May 18
United Airlines Logo
5:55 pm - 8:15 pmPHL-SIN
37h 20m2 stops
United Airlines Logo
10:20 pm - 5:11 amSIN-PHL
43h 51m1 stop
$924United Airlines
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Mon, Dec 8 - Sun, Dec 21
United Airlines Logo
5:55 pm - 8:15 pmPHL-SIN
37h 20m2 stops
United Airlines Logo
10:20 pm - 5:32 amSIN-PHL
44h 12m2 stops
$929United Airlines
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Mon, Dec 8 - Sat, Dec 20
Korean Air Logo
10:21 am - 11:40 pmPHL-SIN
49h 19m2 stops
Korean Air Logo
1:10 am - 4:17 pmSIN-PHL
27h 07m2 stops
$931Korean Air
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Wed, May 6 - Sat, May 16
Qatar Airways Logo
7:45 pm - 2:55 pmPHL-SIN
30h 10m1 stop
Qatar Airways Logo
8:15 pm - 9:00 amSIN-PHL
25h 45m1 stop
$932Qatar Airways
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Sun, Feb 1 - Mon, Feb 9
Qatar Airways Logo
7:45 pm - 2:55 pmPHL-SIN
30h 10m1 stop
Qatar Airways Logo
3:15 am - 9:00 amSIN-PHL
42h 45m1 stop
$935Qatar Airways
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Sun, Feb 1 - Sun, Feb 8

United Airlines flights from Philadelphia to Singapore

Our best United Airlines deals on Philadelphia to Singapore flight tickets
United Airlines
Jan 22
PHL8:35 amPhiladelphia
34h 25m
1 stop
SIN8:00 amSingapore Changi
Jan 26
SIN10:10 amSingapore Changi
24h 42m
1 stop
PHL9:52 pmPhiladelphia
$905
Find similar
United Airlines
Jan 22
PHL8:35 amPhiladelphia
34h 25m
1 stop
SIN8:00 amSingapore Changi
Jan 26
SIN10:10 amSingapore Changi
24h 42m
1 stop
PHL9:52 pmPhiladelphia
$906
Find similar
United Airlines
Nov 27
PHL3:00 pmPhiladelphia
28h 00m
2 stops
SIN8:00 amSingapore Changi
Dec 4
SIN10:20 pmSingapore Changi
24h 15m
2 stops
PHL9:35 amPhiladelphia
$910
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Delta flights from Philadelphia to Singapore

Our best Delta deals on Philadelphia to Singapore flight tickets
Delta
May 7
PHL7:05 amPhiladelphia
33h 55m
2 stops
SIN5:00 amSingapore Changi
May 18
SIN1:10 amSingapore Changi
34h 30m
2 stops
PHL11:40 pmPhiladelphia
$919
Find similar
Delta
Apr 20
PHL5:30 amPhiladelphia
35h 30m
2 stops
SIN5:00 amSingapore Changi
Apr 25
SIN10:30 pmSingapore Changi
29h 17m
2 stops
PHL3:47 pmPhiladelphia
$1,069
Find similar
Delta
May 8
PHL7:05 amPhiladelphia
33h 55m
2 stops
SIN5:00 amSingapore Changi
May 20
SIN7:30 amSingapore Changi
26h 48m
2 stops
PHL10:18 pmPhiladelphia
$1,094
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momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia 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, momondo users made 832,500 searches. Data last updated November 21, 2025.
Use the filters below to find and compare flights from Philadelphia to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Thu 1/22

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Mon 1/26

10:10 am-9:52 pm

1 stop24h 42m

$905

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Thu 1/22

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Mon 1/26

10:10 am-9:52 pm

1 stop24h 42m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Thu 1/22

10:10 am-8:00 am

2 stops32h 50m

Singapore Changi

Mon 1/26

10:10 am-9:52 pm

1 stop24h 42m

$910

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 5/4

6:10 am-6:25 pm

1 stop24h 15m

Singapore Changi

Thu 5/21

8:45 am-5:16 am

2 stops32h 31m

$915

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Thu 5/7

7:05 am-5:00 am

2 stops33h 55m

Singapore Changi

Mon 5/18

1:10 am-11:40 pm

2 stops34h 30m

$919

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 12/8

5:55 pm-8:15 pm

2 stops37h 20m

Singapore Changi

Sun 12/21

10:20 pm-5:11 am

1 stop43h 51m

$924

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 12/8

5:55 pm-8:15 pm

2 stops37h 20m

Singapore Changi

Sat 12/20

10:20 pm-5:32 am

2 stops44h 12m

$929

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 5/6

10:21 am-11:40 pm

2 stops49h 19m

Singapore Changi

Sat 5/16

1:10 am-4:17 pm

2 stops27h 07m

$931

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 2/1

7:45 pm-2:55 pm

1 stop30h 10m

Singapore Changi

Mon 2/9

8:15 pm-9:00 am

1 stop25h 45m

$932

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 2/1

7:45 pm-2:55 pm

1 stop30h 10m

Singapore Changi

Sun 2/8

3:15 am-9:00 am

1 stop42h 45m

$935

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from Philadelphia to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

The month of September is, on average, the cheapest month to fly to Singapore from Philadelphia, with most prices found around $1,046. If you aren’t able to travel to Singapore during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,069.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Philadelphia to Singapore is on a Thursday when prices can be found for as low as $1,474. The most expensive day to fly to Singapore is Sunday, with ticket prices averaging around $1,715.

What is the cheapest time of day to depart on your flight to Singapore?

In the evening is the cheapest time of day to fly from Philadelphia to Singapore when you can find flight prices for as low as $1,457. Flying to Singapore in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,737 on average. Flights to Singapore from Philadelphia in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Philadelphia to Singapore flights?

You could potentially save up to 10% on your flight if you consider stops on a Philadelphia to Singapore flight.

How have Philadelphia to Singapore flight prices changed over time?

As of November 2025, prices for Philadelphia to Singapore flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Singapore (PHL to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Singapore

Direct flights

None
There are no direct flights from Philadelphia to Singapore. There are no popular flight routes from Philadelphia to Singapore.
Search flight deals

  • How far is Philadelphia to Singapore Changi by plane?

    Singapore Changi is 9578.7 mi away from Philadelphia. 23h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Singapore Changi Airport?

    Prices for flights from Philadelphia Airport to Singapore Changi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Singapore Changi Airport?

  • How old do you have to be to fly from Philadelphia Airport to Singapore Changi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents required for your trip to Singapore Changi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Singapore Changi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Philadelphia to Singapore?

Best airlines flying from Philadelphia to Singapore

Compare and see reviews for airlines that fly from Philadelphia to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $773Free CancellationRating
7.4
3,664 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $905Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Singapore?

It is quick and easy to find Philadelphia to Singapore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Singapore that suits you.

Can I find flights from Philadelphia to Singapore with flexible booking policies on momondo?

Flights from Philadelphia to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Singapore?

momondo helps you find the best flight between Philadelphia and Singapore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Singapore right now. Can momondo alert me if prices change?

Price alerts on flights to Singapore from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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