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.

$442 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

Thu, Nov 5 - Thu, Nov 12

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

$1,004Delta

Thu, Nov 12 - Thu, Nov 19

7:37 pm - 3:30 pmPHL Philadelphia-ICN Incheon Intl

29h 53m1 stop Atlanta Hartsfield-Jackson

6:40 pm - 5:55 amICN Incheon Intl-PHL Philadelphia

25h 15m1 stop Salt Lake City

$1,004Delta

Sun, Nov 8 - Thu, Nov 12

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

20h 33m1 stop Seattle/Tacoma Intl

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

23h 32m1 stop Seattle/Tacoma Intl

$1,004Alaska Airlines

Thu, Jan 21 - Mon, Feb 22

6:14 pm - 5:35 pmPHL Philadelphia-ICN Incheon Intl

33h 21m1 stop Seattle/Tacoma Intl

8:00 pm - 4:56 pmICN Incheon Intl-PHL Philadelphia

34h 56m1 stop Seattle/Tacoma Intl

$1,019Alaska Airlines

Thu, Jan 21 - Mon, Feb 22

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

19h 10m1 stop Toronto Pearson Intl

6:55 pm - 2:44 pmICN Incheon Intl-PHL Philadelphia

33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,037Air Canada

Thu, Jan 21 - Mon, Feb 22

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

19h 10m1 stop Toronto Pearson Intl

6:55 pm - 2:44 pmICN Incheon Intl-PHL Philadelphia

33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,038Air Canada

Mon, Oct 5 - Mon, Oct 12

11:05 am - 4:20 amPHL Philadelphia-ICN Incheon Intl

28h 15m2 stops Chicago O'Hare Intl San Francisco

5:15 pm - 11:30 pmICN Incheon Intl-PHL Philadelphia

19h 15m2 stops Newark Washington, D.C. Dulles Intl

$1,292United Airlines

Mon, Oct 5 - Sat, Oct 31

3:55 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

23h 25m2 stops Denver Intl San Francisco

11:45 am - 6:51 pmICN Incheon Intl-PHL Philadelphia

20h 06m2 stops San Francisco Washington, D.C. Dulles Intl

$1,292United Airlines

Wed, Dec 23 - Sat, Jan 23

7:32 pm - 4:40 pmPHL Philadelphia-ICN Incheon Intl

31h 08m1 stop Atlanta Hartsfield-Jackson

5:40 pm - 8:37 pmICN Incheon Intl-PHL Philadelphia

16h 57m1 stop Atlanta Hartsfield-Jackson

$1,331Korean Air

Wed, Dec 23 - Wed, Jan 20

5:54 pm - 6:20 pmPHL Philadelphia-ICN Incheon Intl

34h 26m1 stop Atlanta Hartsfield-Jackson

5:40 pm - 8:37 pmICN Incheon Intl-PHL Philadelphia

16h 57m1 stop Atlanta Hartsfield-Jackson

$1,331Korean Air

Recent last minute flight deals from Pennsylvania to Seoul

Tue, Sep 29 - Mon, Nov 2

3:54 pm - 4:00 amPHL Philadelphia-ICN Incheon Intl

23h 06m1 stop Atlanta Hartsfield-Jackson

5:40 pm - 12:55 amICN Incheon Intl-PHL Philadelphia

21h 15m1 stop Atlanta Hartsfield-Jackson

$1,027Delta

Tue, Sep 29 - Sun, Nov 1

6:30 am - 2:10 pmPHL Philadelphia-ICN Incheon Intl

18h 40m1 stop Atlanta Hartsfield-Jackson

8:35 pm - 11:50 pmICN Incheon Intl-PHL Philadelphia

17h 15m1 stop Minneapolis St Paul

$1,027Delta

Mon, Sep 28 - Tue, Nov 3

5:45 am - 5:20 pmPHL Philadelphia-ICN Incheon Intl

22h 35m1 stop Minneapolis St Paul

9:35 am - 11:47 amICN Incheon Intl-PHL Philadelphia

16h 12m1 stop Detroit Metropolitan Wayne County

$1,027Delta

Mon, Sep 28 - Wed, Sep 30

5:00 am - 3:45 pmPHL Philadelphia-ICN Incheon Intl

21h 45m1 stop Dallas/Fort Worth

5:50 pm - 12:22 amICN Incheon Intl-PHL Philadelphia

19h 32m1 stop Dallas/Fort Worth

$1,208American Airlines

Mon, Sep 28 - Wed, Sep 30

10:20 pm - 3:45 pmPHL Philadelphia-ICN Incheon Intl

28h 25m2 stops Pittsburgh Dallas/Fort Worth

5:50 pm - 8:28 amICN Incheon Intl-PHL Philadelphia

27h 38m2 stops Dallas/Fort Worth Knoxville McGhee Tyson

$1,212American Airlines

Mon, Sep 28 - Mon, Oct 5

7:00 am - 10:25 pmPHL Philadelphia-ICN Incheon Intl

26h 25m2 stops Seattle/Tacoma Intl Hong Kong Intl

8:00 am - 10:52 pmICN Incheon Intl-PHL Philadelphia

27h 52m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,251Multiple Airlines

Sat, Sep 26 - Thu, Oct 8

7:35 pm - 2:05 pmPHL Philadelphia-ICN Incheon Intl

29h 30m2 stops Los Angeles Hong Kong Intl

8:00 am - 9:09 pmICN Incheon Intl-PHL Philadelphia

26h 09m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,301Multiple Airlines

Sat, Sep 26 - Thu, Oct 8

6:00 am - 2:10 pmPHL Philadelphia-ICN Incheon Intl

19h 10m1 stop Atlanta Hartsfield-Jackson

8:45 am - 1:21 pmICN Incheon Intl-PHL Philadelphia

17h 36m1 stop Atlanta Hartsfield-Jackson

$1,324Korean Air

Fri, Sep 25 - Mon, Sep 28

1:00 pm - 4:20 amPIT Pittsburgh-ICN Incheon Intl

26h 20m2 stops Houston George Bush Intcntl San Francisco

11:30 am - 6:37 pmICN Incheon Intl-PIT Pittsburgh

20h 07m2 stops San Francisco Washington, D.C. Dulles Intl

$1,622United Airlines

Wed, Sep 30 - Mon, Dec 7

6:34 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

20h 46m1 stop San Francisco

12:45 pm - 5:21 pmICN Incheon Intl-PHL Philadelphia

42h 36m1 stop San Francisco

$2,128United Airlines

Useful Info

Low season	February
High season	March
Cheapest flight	$442

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 Pittsburgh 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.