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.

$454 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

Sat, Oct 31 - Mon, Nov 9

7:02 am - 5:35 pmPHL Philadelphia-ICN Incheon Intl

21h 33m1 stop Seattle/Tacoma Intl

8:00 pm - 5:32 amICN Incheon Intl-PHL Philadelphia

23h 32m1 stop Seattle/Tacoma Intl

$1,098Alaska Airlines

Mon, Apr 5 - Thu, Apr 15

3:30 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

23h 50m2 stops Denver Intl San Francisco

11:30 am - 9:20 pmICN Incheon Intl-PHL Philadelphia

22h 50m1 stop San Francisco

$1,149United Airlines

Thu, Jan 21 - Mon, Feb 22

9:00 am - 5:40 amPHL Philadelphia-ICN Incheon Intl

30h 40m1 stop San Francisco

6:00 pm - 7:45 amICN Incheon Intl-PHL Philadelphia

27h 45m1 stop San Francisco

$1,149United Airlines

Sat, Nov 14 - Sat, Nov 21

7:02 am - 5:35 pmPHL Philadelphia-ICN Incheon Intl

20h 33m1 stop Seattle/Tacoma Intl

8:00 pm - 5:40 amICN Incheon Intl-PHL Philadelphia

23h 40m1 stop Seattle/Tacoma Intl

$1,168Alaska Airlines

Sun, Nov 1 - Mon, Nov 9

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

19h 10m1 stop Toronto Pearson Intl

8:10 pm - 10:46 pmICN Incheon Intl-PHL Philadelphia

40h 36m1 stop Toronto Pearson Intl

$1,178Air Canada

Fri, Apr 9 - Fri, Apr 23

9:40 am - 5:25 pmPHL Philadelphia-ICN Incheon Intl

18h 45m1 stop Boston Logan Intl

9:30 am - 5:19 pmICN Incheon Intl-PHL Philadelphia

20h 49m1 stop Boston Logan Intl

$1,185Korean Air

Fri, Dec 4 - Fri, Dec 11

5:15 am - 6:20 pmPHL Philadelphia-ICN Incheon Intl

23h 05m1 stop Atlanta Hartsfield-Jackson

8:45 am - 4:14 pmICN Incheon Intl-PHL Philadelphia

21h 29m1 stop Atlanta Hartsfield-Jackson

$1,188Korean Air

Sun, Feb 21 - Fri, Feb 26

9:15 pm - 4:25 pmPHL Philadelphia-ICN Incheon Intl

29h 10m1 stop Dallas/Fort Worth

6:50 pm - 10:41 pmICN Incheon Intl-PHL Philadelphia

17h 51m1 stop Dallas/Fort Worth

$1,218American Airlines

Mon, Nov 2 - Tue, Nov 10

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

19h 34m1 stop Dallas/Fort Worth

6:50 pm - 10:47 pmICN Incheon Intl-MDT Harrisburg

17h 57m1 stop Dallas/Fort Worth

$1,218American Airlines

Sat, Feb 13 - Thu, Feb 18

7:20 pm - 5:10 pmPIT Pittsburgh-ICN Incheon Intl

55h 50m2 stops Toronto Pearson Intl Vancouver Intl

6:55 pm - 6:36 pmICN Incheon Intl-PIT Pittsburgh

37h 41m2 stops Vancouver Intl Toronto Pearson Intl

$1,247Air Canada

Recent last minute flight deals from Pennsylvania to Seoul

Thu, Oct 22 - Mon, Oct 26

8:07 am - 5:30 pmPIT Pittsburgh-ICN Incheon Intl

20h 23m1 stop Seattle/Tacoma Intl

8:00 pm - 8:35 pmICN Incheon Intl-PIT Pittsburgh

37h 35m1 stop Seattle/Tacoma Intl

$1,486Alaska Airlines

Thu, Oct 22 - Mon, Oct 26

8:07 am - 5:30 pmPIT Pittsburgh-ICN Incheon Intl

20h 23m1 stop Seattle/Tacoma Intl

8:00 pm - 8:35 pmICN Incheon Intl-PIT Pittsburgh

37h 35m1 stop Seattle/Tacoma Intl

$1,487Alaska Airlines

Thu, Oct 22 - Mon, Oct 26

7:00 am - 3:00 pmPIT Pittsburgh-ICN Incheon Intl

19h 00m1 stop San Francisco

6:00 pm - 5:10 amICN Incheon Intl-PIT Pittsburgh

24h 10m1 stop San Francisco

$1,562United Airlines

Thu, Oct 22 - Mon, Oct 26

6:30 am - 3:20 pmPIT Pittsburgh-ICN Incheon Intl

19h 50m1 stop Newark

11:45 am - 11:57 pmICN Incheon Intl-PIT Pittsburgh

25h 12m2 stops San Francisco Houston George Bush Intcntl

$1,562United Airlines

Tue, Oct 27 - Sat, Nov 7

6:21 pm - 3:30 pmMDT Harrisburg-ICN Incheon Intl

32h 09m1 stop Atlanta Hartsfield-Jackson

7:25 pm - 11:39 pmICN Incheon Intl-MDT Harrisburg

18h 14m1 stop Atlanta Hartsfield-Jackson

$2,867Delta

Tue, Oct 27 - Sat, Nov 7

6:13 am - 4:50 pmMDT Harrisburg-ICN Incheon Intl

21h 37m1 stop Detroit Metropolitan Wayne County

7:25 pm - 11:39 pmICN Incheon Intl-MDT Harrisburg

18h 14m1 stop Atlanta Hartsfield-Jackson

$3,161Delta

Fri, Oct 23 - Tue, Nov 3

6:00 am - 3:00 pmPHL Philadelphia-ICN Incheon Intl

20h 00m1 stop San Francisco

12:45 pm - 11:39 pmICN Incheon Intl-PHL Philadelphia

24h 54m2 stops San Francisco Denver Intl

$8,996Asiana Airlines

Fri, Oct 23 - Tue, Nov 3

1:05 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

26h 15m2 stops Houston George Bush Intcntl San Francisco

12:45 pm - 7:31 pmICN Incheon Intl-PHL Philadelphia

20h 46m2 stops San Francisco Denver Intl

$8,996Asiana Airlines

Tue, Oct 27 - Wed, Jul 21

3:20 pm - 4:10 pmPHL Philadelphia-ICN Incheon Intl

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

6:00 pm - 6:40 pmICN Incheon Intl-PHL Philadelphia

37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

$9,077Air Canada

Tue, Oct 27 - Tue, Jul 20

3:20 pm - 4:10 pmPHL Philadelphia-ICN Incheon Intl

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

6:00 pm - 6:40 pmICN Incheon Intl-PHL Philadelphia

37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

$9,077Air Canada

Useful Info

Low season	February
High season	March
Cheapest flight	$454

Best time to beat the crowds with an average 34% drop in price.

Most popular time to fly with an average 3% 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.