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$301+ Cheap flights from Seoul (SEL) to Pennsylvania

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PHL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Seoul to Pennsylvania

Cheapest flights from Seoul to Pennsylvania
Explore the most affordable flight options available from Seoul to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:55 pm
ICN
-
PHL
2 stops34h 52m
Air Canada
Mon 3/23:30 pm
PHL
-
ICN
2 stops59h 40m
Air Canada
Deal found 1/29$471
This flugladen.de deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:55 pm
ICN
-
LGA
2 stops28h 58m
Air Canada
Tue 3/37:45 pm
LGA
-
ICN
2 stops31h 25m
Air Canada
Deal found 1/29$472
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/285:55 pm
ICN
-
JFK
2 stops42h 44m
Air Canada
Sun 2/110:05 am
JFK
-
ICN
2 stops41h 05m
Air Canada
Deal found 1/27$475
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:15 pm
ICN
-
JFK
1 stop30h 15m
American Airlines
Sat 2/145:58 pm
JFK
-
ICN
1 stop32h 47m
American Airlines
Deal found 1/27$477
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:40 pm
ICN
-
LGA
2 stops31h 19m
American Airlines
Wed 8/125:45 am
LGA
-
ICN
2 stops21h 00m
American Airlines
Deal found 1/26$478
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:40 pm
ICN
-
JFK
2 stops30h 49m
American Airlines
Sat 8/156:29 pm
JFK
-
ICN
1 stop32h 16m
American Airlines
Deal found 1/26$478
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:15 pm
ICN
-
LGA
2 stops28h 15m
American Airlines
Mon 2/166:00 am
LGA
-
ICN
1 stop20h 45m
American Airlines
Deal found 1/28$479
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:15 pm
ICN
-
EWR
2 stops31h 15m
American Airlines
Sat 2/144:59 pm
EWR
-
ICN
1 stop33h 46m
American Airlines
Deal found 1/28$479
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:15 pm
ICN
-
JFK
2 stops33h 44m
American Airlines
Sat 2/1410:10 pm
JFK
-
ICN
2 stops28h 35m
American Airlines
Deal found 1/28$479
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:40 pm
ICN
-
LGA
2 stops30h 36m
American Airlines
Wed 7/293:30 pm
LGA
-
ICN
2 stops35h 15m
American Airlines
Deal found 1/27$480
This WhyPayMore deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:45 pm
ICN
-
JFK
2 stops41h 02m
Air Canada
Thu 8/139:00 am
JFK
-
ICN
1 stop18h 25m
Air Canada
Deal found 1/28$480
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:40 pm
ICN
-
EWR
2 stops28h 55m
American Airlines
Wed 7/157:29 pm
EWR
-
ICN
2 stops31h 16m
American Airlines
Deal found 1/27$484

Find flight deals from Seoul to Pennsylvania

Keep the following information in mind while searching for Seoul to Pennsylvania flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(Mytrip)

One-way from

$301
(Booking.com)

Popular in

December

Cheapest in

February

Average price

$1,407
Provider with most accurate pricing for Seoul (SEL)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Philadelphia flights.
Search Deals
From Seoul (SEL) to Pennsylvania
Search Deals
One-way flight from Seoul (SEL) to Pennsylvania
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($360 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seoul to Pennsylvania that are best for you.

Fly from

Seoul

Fly to

Pennsylvania

Route

Depart

Return

Price

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 6/3

5:45 pm-9:33 pm

2 stops40h 48m

Philadelphia

Tue 6/9

10:05 am-4:05 pm

2 stops41h 00m

$484

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Mon 2/16

12:45 pm-8:20 am

1 stop33h 35m

Newark

Thu 2/26

6:00 am-4:15 pm

1 stop20h 15m

$492

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Mon 2/16

6:00 pm-8:20 am

1 stop28h 20m

Newark

Mon 2/23

8:55 pm-4:15 pm

2 stops29h 20m

$492

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 3/2

6:55 pm-2:47 pm

2 stops57h 52m

Philadelphia

Thu 3/26

3:30 pm-5:30 pm

2 stops61h 00m

$541

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sat 5/30

7:05 pm-2:48 pm

2 stops32h 43m

Philadelphia

Sat 6/27

3:25 pm-4:05 pm

2 stops35h 40m

$544

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Tue 3/10

7:10 pm-2:47 pm

2 stops56h 37m

Philadelphia

Fri 4/3

4:25 pm-5:30 pm

1 stop36h 05m

$557

SeoulNew York

GMP - LGA

GMPLGA

Seoul Gimpo Intl

Fri 6/26

7:40 am-7:37 pm

2 stops24h 57m

New York LaGuardia

Sat 7/25

8:45 am-10:25 pm

2 stops24h 40m

$567

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Tue 2/24

8:10 pm-3:26 pm

1 stop33h 16m

Philadelphia

Tue 3/3

3:30 pm-5:10 pm

2 stops35h 40m

$579

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 2/22

8:10 pm-2:47 pm

2 stops32h 37m

Philadelphia

Sat 3/21

3:30 pm-4:15 pm

2 stops59h 45m

$597

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 3/27

5:55 pm-1:59 pm

2 stops33h 04m

Washington, D.C. Reagan-National

Tue 4/21

5:45 am-3:45 pm

1 stop21h 00m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from Seoul to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Pennsylvania

What is the cheapest month to book a flight from Seoul to Pennsylvania?

Currently, November is the cheapest month in which you can book a flight from Seoul to Pennsylvania (average of $485). Flying from Seoul to Pennsylvania in June is currently the most expensive (average of $750). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated January 29, 2026.
See what other customers who have flown with Korean Air and Delta from Seoul to Pennsylvania have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,127 reviews
Korean Air
8.4
Very good
1,188 reviews

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seoul to Pennsylvania?

    Air Canada, United Airlines, and American Airlines can get you from Seoul to Pennsylvania in just under 33h 04m. Your travel time can differ by up to 7h 44m. Seoul and Pennsylvania are separated by a distance of 6953 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seoul to Pennsylvania one-way?

    $411 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $439 and $441, respectively.

  • What are the most popular routes from Seoul to Pennsylvania?

    Most travelers choose Incheon Intl - New York John F Kennedy Intl, Incheon Intl - New York LaGuardia or Seoul Gimpo Intl - New York John F Kennedy Intl when deciding on the best route from Seoul to Pennsylvania.

  • Can I find deals for flights from Seoul to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Seoul to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Pennsylvania.

  • Can I find deals for business class flights from Seoul to Pennsylvania?

    Yes. Cheapflights offers flight deals from Seoul to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to Pennsylvania?

    Currently, November is the cheapest month in which you can book a flight from Seoul to Pennsylvania (average of $485). Flying from Seoul to Pennsylvania in June is currently the most expensive (average of $750). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seoul to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Seoul to Pennsylvania

Discover the top 2 airlines that operate flights from Seoul to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$626Average$877FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$970Average$1,891FlexibilityNo cancel feeOn-time81%

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