What is the cheapest airline that flies from Philadelphia to Singapore Changi?

United Airlines is the most popular carrier operating from Philadelphia to Singapore Changi

Which layover airport has the shortest connection time from Philadelphia to Singapore?

San Francisco (SFO) has the shortest average layover time for this route: 1h 38m.

What airlines fly to Singapore?

Singapore Airlines, United Airlines and Cathay Pacific are the top three most popular airlines that fly to Singapore from Philadelphia according to our data. Singapore Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 19 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Philadelphia to Singapore?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 24h 32m.

Which layover airport offers the lowest fares from Philadelphia to Singapore?

Flights via San Francisco (SFO) offer the lowest average round-trip price of $979.

Which airport is the most popular layover for flights between Philadelphia and Singapore?

Doha (DOH) was the most common stop: 91% of momondo users choosing 1-stop flights on this route connected there.

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?

The number of operators available for flights from Philadelphia Airport to Singapore Changi Airport is 2 as of December 2025.

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.

$445 Cheap Flights from Philadelphia to Singapore in 2025/26

Q: What is the typical price of a round-trip flight between Philadelphia and Singapore?

Prices are currently low for flights on this route. Typical prices usually range from $1,510 to $2,815. The lowest price recently found on this route was $743.

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9:41 am - 12:10 am

PHL

SIN

26h 29m2 stops

10:30 pm - 12:49 am

SIN

PHL

38h 19m2 stops

$743Delta

Mon, Mar 9 - Thu, Mar 26

6:00 am - 12:10 am

PHL

SIN

30h 10m2 stops

10:30 pm - 4:53 pm

SIN

PHL

30h 23m2 stops

$749Korean Air

Fri, Mar 13 - Tue, Mar 24

10:10 am - 8:00 am

PHL

SIN

32h 50m2 stops

10:10 am - 9:36 pm

SIN

PHL

24h 26m2 stops

$829United Airlines

Sun, Jan 18 - Sat, Jan 31

8:35 am - 8:00 am

PHL

SIN

34h 25m1 stop

10:10 am - 9:52 pm

SIN

PHL

24h 42m1 stop

$836United Airlines

Mon, Jan 19 - Sun, Jan 25

12:40 pm - 8:00 am

PHL

SIN

30h 20m2 stops

10:20 pm - 4:36 pm

SIN

PHL

31h 16m2 stops

$840United Airlines

Mon, Jan 19 - Mon, Jan 26

1:10 pm - 6:55 am

PHL

SIN

28h 45m2 stops

10:20 pm - 2:31 pm

SIN

PHL

29h 11m2 stops

$842ANA

Wed, Jan 28 - Wed, Feb 4

8:41 am - 8:15 pm

PHL

SIN

47h 34m1 stop

10:10 am - 9:31 pm

SIN

PHL

23h 21m1 stop

$844United Airlines

Mon, Mar 9 - Sun, Mar 22

6:30 am - 6:55 am

PHL

SIN

35h 25m2 stops

10:10 am - 9:52 pm

SIN

PHL

24h 42m1 stop

$845United Airlines

Wed, Jan 28 - Sun, Feb 1

1:10 pm - 6:55 am

PHL

SIN

28h 45m2 stops

10:20 pm - 2:31 pm

SIN

PHL

29h 11m2 stops

$849United Airlines

Wed, Jan 28 - Sun, Feb 1

10:10 am - 6:55 am

PHL

SIN

31h 45m2 stops

10:20 pm - 2:31 pm

SIN

PHL

29h 11m3 stops

$850United Airlines

Tue, Jan 13 - Fri, Jan 23

United Airlines flights from Philadelphia to Singapore

Our best United Airlines deals on Philadelphia to Singapore flight tickets

United Airlines

Jan 18

PHL1:15 pmPhiladelphia

29h 45m

2 stops

SIN8:00 amSingapore Changi

Jan 31

SIN10:20 pmSingapore Changi

29h 11m

3 stops

PHL2:31 pmPhiladelphia

$829

Find similar

United Airlines

Jan 19

PHL8:35 amPhiladelphia

34h 25m

1 stop

SIN8:00 amSingapore Changi

Jan 26

SIN10:10 amSingapore Changi

24h 42m

1 stop

PHL9:52 pmPhiladelphia

$836

Find similar

United Airlines

Jan 19

PHL12:40 pmPhiladelphia

30h 20m

2 stops

SIN8:00 amSingapore Changi

Jan 26

SIN10:20 pmSingapore Changi

31h 16m

2 stops

PHL4:36 pmPhiladelphia

$840

Find similar

ANA flights from Philadelphia to Singapore

Our best ANA deals on Philadelphia to Singapore flight tickets

ANA

Jan 28

PHL1:10 pmPhiladelphia

28h 45m

2 stops

SIN6:55 amSingapore Changi

Feb 4

SIN10:20 pmSingapore Changi

29h 11m

2 stops

PHL2:31 pmPhiladelphia

$842

Find similar

ANA

Jan 24

PHL6:30 amPhiladelphia

35h 25m

2 stops

SIN6:55 amSingapore Changi

Feb 6

SIN6:35 amSingapore Changi

28h 17m

2 stops

PHL9:52 pmPhiladelphia

$863

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 3/9

9:41 am-12:10 am

2 stops26h 29m

Singapore Changi

Thu 3/26

10:30 pm-12:49 am

2 stops38h 19m

$743

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Fri 3/13

6:00 am-12:10 am

2 stops30h 10m

Singapore Changi

Tue 3/24

10:30 pm-4:53 pm

2 stops30h 23m

$749

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 1/18

10:10 am-8:00 am

2 stops32h 50m

Singapore Changi

Sat 1/31

10:10 am-9:36 pm

2 stops24h 26m

$829

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 1/19

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Sun 1/25

10:10 am-9:52 pm

1 stop24h 42m

$836

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 1/19

12:40 pm-8:00 am

2 stops30h 20m

Singapore Changi

Mon 1/26

10:20 pm-4:36 pm

2 stops31h 16m

$840

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 1/28

1:10 pm-6:55 am

2 stops28h 45m

Singapore Changi

Wed 2/4

10:20 pm-2:31 pm

2 stops29h 11m

$842

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 3/9

8:41 am-8:15 pm

1 stop47h 34m

Singapore Changi

Sun 3/22

10:10 am-9:31 pm

1 stop23h 21m

$844

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 1/28

6:30 am-6:55 am

2 stops35h 25m

Singapore Changi

Sun 2/1

10:10 am-9:52 pm

1 stop24h 42m

$845

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 1/28

1:10 pm-6:55 am

2 stops28h 45m

Singapore Changi

Sun 2/1

10:20 pm-2:31 pm

2 stops29h 11m

$849

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Tue 1/13

10:10 am-6:55 am

2 stops31h 45m

Singapore Changi

Fri 1/23

10:20 pm-2:31 pm

3 stops29h 11m

$850

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Philadelphia and Singapore?

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 $1,037. 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 9% 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 December 2025, prices for Philadelphia to Singapore flights are approximately 29% 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

Fastest flight time	25h 00m
Direct flights	None

The fastest flight from Philadelphia to Singapore takes 25h 00m

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?
The number of operators available for flights from Philadelphia Airport to Singapore Changi Airport is 2 as of December 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Singapore is Qatar Airways (52% of total bookings). The next most popular airline is United Airlines (48%).

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 Airways	PriceFrom $769	Free Cancellation	Rating 7.4 3,678 reviews		Search Qatar Airways flights
United Airlines	PriceFrom $905	Free Cancellation	Rating 7.4 9,066 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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Cheap flights from Philadelphia to Singapore from $445

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 1/29. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Philadelphia to Singapore

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United Airlines flights from Philadelphia to Singapore

Our best United Airlines deals on Philadelphia to Singapore flight tickets

ANA flights from Philadelphia to Singapore

Our best ANA deals on Philadelphia to Singapore flight tickets

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Use the filters below to find and compare flights from Philadelphia to Singapore that are best for you.

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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 typical price of a round-trip flight between Philadelphia and Singapore?

What is the cheapest month to fly to Singapore?

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?

Can stopping save me money on Philadelphia to Singapore flights?

You could potentially save up to 9% 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 December 2025, prices for Philadelphia to Singapore flights are approximately 29% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Philadelphia to Singapore Changi?

United Airlines is the most popular carrier operating from Philadelphia to Singapore Changi

What airlines fly to Singapore?

Which airport is the most popular layover for flights between Philadelphia and Singapore?

Doha (DOH) was the most common stop: 91% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Singapore?

Flights via San Francisco (SFO) offer the lowest average round-trip price of $979.

Which layover airport has the shortest travel time from Philadelphia to Singapore?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 24h 32m.

Which layover airport has the shortest connection time from Philadelphia to Singapore?

San Francisco (SFO) has the shortest average layover time for this route: 1h 38m.

When to book flights from Philadelphia to Singapore

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

Fastest flight time

Direct flights

How far is Philadelphia to Singapore Changi by plane?

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

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo