How does KAYAK find such low prices on flights from Pennsylvania to Singapore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Singapore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Singapore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to Singapore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Singapore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$523 CHEAP FLIGHTS from Pennsylvania to Singapore

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Flight Deals

Cheap Flights from Pennsylvania to Singapore

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Pennsylvania to Singapore

Mon, Nov 9 - Sun, Nov 15

8:45 pm - 2:55 pmPHL Philadelphia-SIN Singapore Changi

29h 10m1 stop Doha Hamad Intl

3:15 am - 2:50 pmSIN Singapore Changi-PHL Philadelphia

24h 35m1 stop Doha Hamad Intl

$959Qatar Airways

Sun, Feb 28 - Mon, Mar 8

8:45 pm - 8:45 amPHL Philadelphia-SIN Singapore Changi

23h 00m1 stop Doha Hamad Intl

8:15 pm - 2:50 pmSIN Singapore Changi-PHL Philadelphia

31h 35m1 stop Doha Hamad Intl

$976Qatar Airways

Tue, Feb 2 - Tue, Feb 23

8:45 pm - 2:55 pmPHL Philadelphia-SIN Singapore Changi

29h 10m1 stop Doha Hamad Intl

8:15 pm - 2:50 pmSIN Singapore Changi-PHL Philadelphia

31h 35m1 stop Doha Hamad Intl

$976Qatar Airways

Tue, Nov 10 - Tue, Nov 17

8:45 pm - 2:55 pmPHL Philadelphia-SIN Singapore Changi

29h 10m1 stop Doha Hamad Intl

8:15 pm - 2:50 pmSIN Singapore Changi-PHL Philadelphia

31h 35m1 stop Doha Hamad Intl

$976Qatar Airways

Fri, Jan 22 - Sat, Jan 30

9:30 am - 9:35 amPHL Philadelphia-SIN Singapore Changi

35h 05m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

7:25 pm - 8:09 pmSIN Singapore Changi-PHL Philadelphia

37h 44m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

$995Etihad Airways

Tue, Feb 2 - Tue, Feb 23

9:30 am - 9:35 amPHL Philadelphia-SIN Singapore Changi

35h 05m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

7:25 pm - 7:24 pmSIN Singapore Changi-PHL Philadelphia

36h 59m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

$995Etihad Airways

Fri, Feb 5 - Sat, Feb 20

9:30 am - 9:35 amPHL Philadelphia-SIN Singapore Changi

35h 05m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

7:25 pm - 10:07 pmSIN Singapore Changi-PHL Philadelphia

39h 42m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

$995Etihad Airways

Sat, Jan 23 - Sun, Feb 14

9:45 am - 8:00 amPHL Philadelphia-SIN Singapore Changi

33h 15m2 stops Chicago O'Hare Intl San Francisco

10:20 pm - 7:45 amSIN Singapore Changi-PHL Philadelphia

22h 25m1 stop San Francisco

$1,101United Airlines

Sat, Jan 23 - Fri, Feb 12

9:45 am - 8:00 amPHL Philadelphia-SIN Singapore Changi

33h 15m2 stops Chicago O'Hare Intl San Francisco

10:20 pm - 7:45 amSIN Singapore Changi-PHL Philadelphia

22h 25m1 stop San Francisco

$1,101United Airlines

Sat, Jan 23 - Sat, Feb 13

9:45 am - 8:00 amPHL Philadelphia-SIN Singapore Changi

33h 15m2 stops Chicago O'Hare Intl San Francisco

10:20 pm - 7:45 amSIN Singapore Changi-PHL Philadelphia

22h 25m1 stop San Francisco

$1,101United Airlines

Recent last minute flight deals from Pennsylvania to Singapore

Sun, Oct 4 - Sat, Oct 10

9:30 pm - 11:15 pmPHL Philadelphia-SIN Singapore Changi

37h 45m1 stop Doha Hamad Intl

7:40 pm - 2:30 pmSIN Singapore Changi-PHL Philadelphia

30h 50m1 stop Doha Hamad Intl

$1,124Qatar Airways

Sun, Oct 4 - Sat, Oct 10

9:30 pm - 9:15 pmPHL Philadelphia-SIN Singapore Changi

35h 45m1 stop Doha Hamad Intl

7:40 pm - 2:30 pmSIN Singapore Changi-PHL Philadelphia

30h 50m1 stop Doha Hamad Intl

$1,183JetBlue

Sun, Oct 4 - Sat, Oct 10

9:30 pm - 8:25 pmPHL Philadelphia-SIN Singapore Changi

34h 55m2 stops Doha Hamad Intl Kuala Lumpur Intl

7:40 pm - 2:30 pmSIN Singapore Changi-PHL Philadelphia

30h 50m1 stop Doha Hamad Intl

$1,186Qatar Airways

Sun, Oct 4 - Sat, Oct 10

10:40 am - 6:35 pmPHL Philadelphia-SIN Singapore Changi

43h 55m2 stops Washington, D.C. Dulles Intl San Francisco

8:45 am - 9:15 pmSIN Singapore Changi-PHL Philadelphia

24h 30m1 stop San Francisco

$1,231United Airlines

Thu, Oct 1 - Sat, Oct 3

9:30 pm - 3:45 pmPHL Philadelphia-SIN Singapore Changi

30h 15m1 stop Doha Hamad Intl

7:40 pm - 2:30 pmSIN Singapore Changi-PHL Philadelphia

30h 50m1 stop Doha Hamad Intl

$1,276JetBlue

Thu, Oct 1 - Sat, Oct 3

6:15 am - 6:40 amPHL Philadelphia-SIN Singapore Changi

36h 25m2 stops Washington, D.C. Dulles Intl Tokyo Haneda

8:35 pm - 7:49 amSIN Singapore Changi-PHL Philadelphia

23h 14m1 stop San Francisco

$1,345United Airlines

Thu, Oct 1 - Sat, Oct 3

6:15 am - 6:40 amPHL Philadelphia-SIN Singapore Changi

36h 25m2 stops Washington, D.C. Dulles Intl Tokyo Haneda

8:35 pm - 12:25 pmSIN Singapore Changi-PHL Philadelphia

27h 50m2 stops San Francisco Chicago O'Hare Intl

$1,349United Airlines

Thu, Oct 1 - Sat, Oct 3

6:15 am - 6:40 amPHL Philadelphia-SIN Singapore Changi

36h 25m2 stops Washington, D.C. Dulles Intl Tokyo Haneda

8:35 pm - 2:43 pmSIN Singapore Changi-PHL Philadelphia

30h 08m3 stops San Francisco Houston George Bush Intcntl Chicago O'Hare Intl

$1,349United Airlines

Thu, Oct 1 - Sat, Oct 3

12:40 pm - 11:45 amPHL Philadelphia-SIN Singapore Changi

35h 05m3 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth Hong Kong Intl

2:55 pm - 2:30 pmSIN Singapore Changi-PHL Philadelphia

35h 35m3 stops Hanoi Noibai Bangkok Suvarnabhumi Doha Hamad Intl

$1,681Multiple Airlines

Fri, Oct 2 - Fri, Oct 9

7:00 am - 9:05 amPHL Philadelphia-SIN Singapore Changi

38h 05m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

2:30 pm - 5:38 pmSIN Singapore Changi-PHL Philadelphia

39h 08m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$5,870Multiple Airlines

Useful Info

Low season	July
High season	December
Cheapest flight	$523

Best time to beat the crowds but there is an average 17% increase in price.

Most popular time to fly with an average 54% increase in price.

Flight from Philadelphia to Singapore

How does KAYAK find such low prices on flights from Pennsylvania to Singapore?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Singapore.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Singapore?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to Singapore?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Singapore?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.