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

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 Seoul.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul 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 Seoul?

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 Seoul 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 Seoul?

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 Seoul from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$459 CHEAP FLIGHTS from Pennsylvania to Seoul

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Flight Deals

Cheap Flights from Pennsylvania to Seoul

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 Seoul

Tue, Jan 19 - Mon, Mar 1

9:15 am - 6:25 pmPHL Philadelphia-ICN Incheon Intl

19h 10m1 stop Toronto Pearson Intl

8:10 pm - 10:45 pmICN Incheon Intl-PHL Philadelphia

40h 35m1 stop Toronto Pearson Intl

$1,114Air Canada

Sun, Jan 17 - Mon, Mar 1

9:15 am - 6:25 pmPHL Philadelphia-ICN Incheon Intl

19h 10m1 stop Toronto Pearson Intl

8:10 pm - 10:45 pmICN Incheon Intl-PHL Philadelphia

40h 35m1 stop Toronto Pearson Intl

$1,116Air Canada

Wed, Dec 2 - Wed, Dec 9

7:25 am - 4:50 amPHL Philadelphia-ICN Incheon Intl

31h 25m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:20 pm - 5:26 pmICN Incheon Intl-PHL Philadelphia

33h 06m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,117Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

9:45 am - 5:40 amPHL Philadelphia-ICN Incheon Intl

29h 55m2 stops Chicago O'Hare Intl San Francisco

12:45 pm - 5:38 pmICN Incheon Intl-PHL Philadelphia

18h 53m1 stop San Francisco

$1,138United Airlines

Mon, Feb 8 - Mon, Feb 15

9:55 am - 5:40 amPHL Philadelphia-ICN Incheon Intl

29h 45m2 stops Chicago O'Hare Intl San Francisco

6:00 pm - 7:53 amICN Incheon Intl-PHL Philadelphia

27h 53m1 stop San Francisco

$1,138United Airlines

Sun, Nov 29 - Sun, Dec 6

5:00 am - 4:45 pmPHL Philadelphia-ICN Incheon Intl

21h 45m1 stop Dallas/Fort Worth

6:50 pm - 12:13 amICN Incheon Intl-PHL Philadelphia

19h 23m1 stop Dallas/Fort Worth

$1,159American Airlines

Sun, Nov 29 - Sun, Dec 6

7:00 am - 5:45 pmPHL Philadelphia-ICN Incheon Intl

20h 45m1 stop Seattle/Tacoma Intl

5:40 pm - 12:57 amICN Incheon Intl-PHL Philadelphia

21h 17m1 stop Atlanta Hartsfield-Jackson

$1,159Delta

Sun, Nov 29 - Sun, Dec 6

5:00 am - 4:45 pmPHL Philadelphia-ICN Incheon Intl

21h 45m1 stop Dallas/Fort Worth

6:50 pm - 8:04 amICN Incheon Intl-PHL Philadelphia

27h 14m2 stops Dallas/Fort Worth Nashville Intl

$1,163American Airlines

Mon, Nov 30 - Mon, Dec 7

5:35 am - 5:45 pmPHL Philadelphia-ICN Incheon Intl

22h 10m2 stops Minneapolis St Paul Seattle/Tacoma Intl

6:45 pm - 11:54 pmICN Incheon Intl-PHL Philadelphia

19h 09m2 stops Seattle/Tacoma Intl Minneapolis St Paul

$1,163Delta

Tue, Jan 12 - Tue, Jan 19

3:55 pm - 12:45 pmPHL Philadelphia-ICN Incheon Intl

30h 50m2 stops Los Angeles Hong Kong Intl

7:35 pm - 7:30 amICN Incheon Intl-PHL Philadelphia

25h 55m2 stops Hong Kong Intl Los Angeles

$1,252Multiple Airlines

Recent last minute flight deals from Pennsylvania to Seoul

Mon, Nov 9 - Tue, Nov 24

6:21 pm - 5:40 amPHL Philadelphia-ICN Incheon Intl

21h 19m1 stop San Francisco

12:45 pm - 5:15 pmICN Incheon Intl-PHL Philadelphia

18h 30m1 stop San Francisco

$1,138United Airlines

Sun, Nov 8 - Thu, Nov 26

6:21 pm - 5:40 amPHL Philadelphia-ICN Incheon Intl

21h 19m1 stop San Francisco

12:45 pm - 4:47 pmICN Incheon Intl-PHL Philadelphia

18h 02m1 stop San Francisco

$1,138United Airlines

Tue, Nov 10 - Mon, Nov 23

5:15 am - 3:30 pmPHL Philadelphia-ICN Incheon Intl

20h 15m1 stop Atlanta Hartsfield-Jackson

9:35 am - 4:35 pmICN Incheon Intl-PHL Philadelphia

21h 00m1 stop Detroit Metropolitan Wayne County

$1,158Delta

Sun, Nov 8 - Sun, Nov 15

7:20 am - 4:20 pmPHL Philadelphia-ICN Incheon Intl

19h 00m1 stop Salt Lake City

8:35 pm - 11:46 pmICN Incheon Intl-PHL Philadelphia

17h 11m1 stop Minneapolis St Paul

$1,159Delta

Sun, Nov 8 - Wed, Nov 18

7:11 am - 4:45 pmMDT Harrisburg-ICN Incheon Intl

19h 34m1 stop Dallas/Fort Worth

6:50 pm - 1:35 pmICN Incheon Intl-MDT Harrisburg

32h 45m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,163American Airlines

Sun, Nov 8 - Wed, Nov 18

5:00 am - 4:45 pmMDT Harrisburg-ICN Incheon Intl

21h 45m2 stops Charlotte Douglas Dallas/Fort Worth

6:50 pm - 1:35 pmICN Incheon Intl-MDT Harrisburg

32h 45m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,163American Airlines

Mon, Nov 9 - Thu, Nov 12

8:00 am - 6:20 pmPIT Pittsburgh-ICN Incheon Intl

20h 20m1 stop Atlanta Hartsfield-Jackson

7:40 pm - 5:06 pmICN Incheon Intl-PIT Pittsburgh

35h 26m1 stop New York John F Kennedy Intl

$1,258Korean Air

Mon, Nov 9 - Tue, Nov 24

9:15 am - 5:10 pmPHL Philadelphia-ICN Incheon Intl

41h 55m2 stops Toronto Pearson Intl Vancouver Intl

6:55 pm - 2:39 pmICN Incheon Intl-PHL Philadelphia

33h 44m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,294Air Canada

Mon, Nov 9 - Sun, Nov 22

3:20 pm - 5:10 pmPHL Philadelphia-ICN Incheon Intl

35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:55 pm - 2:39 pmICN Incheon Intl-PHL Philadelphia

33h 44m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,330Air Canada

Mon, Nov 9 - Thu, Nov 12

8:00 am - 6:20 pmPIT Pittsburgh-ICN Incheon Intl

20h 20m1 stop Atlanta Hartsfield-Jackson

7:40 pm - 5:06 pmICN Incheon Intl-PIT Pittsburgh

35h 26m1 stop New York John F Kennedy Intl

$1,416Korean Air

Useful Info

Low season	February
High season	March
Cheapest flight	$459

Best time to beat the crowds with an average 35% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Philadelphia to Seoul Incheon Airport

How does KAYAK find such low prices on flights from Pennsylvania to Seoul?
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 Seoul.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Seoul?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul 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 Seoul?
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 Seoul 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 Seoul?
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 Seoul from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.