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$338+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PHL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:55 pmICN - EWR
1 stop35h 58mAir Canada
Sat 1/174:00 pmEWR - ICN
2 stops59h 10mAir Canada
Deal found 12/15$405
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Tue 12/166:55 pmICN - EWR
2 stops32h 33mAir Canada
Fri 1/94:00 pmEWR - ICN
2 stops59h 10mAir Canada
Deal found 12/15$415
This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:55 pmICN - EWR
2 stops32h 33mAir Canada
Tue 1/204:00 pmEWR - ICN
2 stops58h 00mAir Canada
Deal found 12/15$417
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Tue 12/166:55 pmICN - LGA
2 stops33h 47mAir Canada
Fri 1/95:35 pmLGA - ICN
2 stops34h 50mAir Canada
Deal found 12/15$441
This WhyPayMore deal was found by Cheapflights users on 12/15. 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.
Tue 12/166:55 pmICN - JFK
2 stops40h 03mAir Canada
Sat 1/1710:05 amJFK - ICN
2 stops41h 05mAir Canada
Deal found 12/15$443
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmICN - EWR
1 stop25h 59mUnited Airlines
Wed 12/319:10 pmEWR - ICN
2 stops29h 05mUnited Airlines
Deal found 12/17$445
This WhyPayMore deal was found by Cheapflights users on 12/16. 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.
Tue 12/166:55 pmICN - JFK
2 stops40h 03mAir Canada
Tue 1/2010:05 amJFK - ICN
2 stops41h 05mAir Canada
Deal found 12/16$445
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 pmICN - LGA
2 stops19h 44mUnited Airlines
Mon 1/123:20 pmLGA - ICN
2 stops24h 20mUnited Airlines
Deal found 12/15$446
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmICN - EWR
1 stop18h 11mUnited Airlines
Wed 1/73:05 pmEWR - ICN
2 stops35h 10mUnited Airlines
Deal found 12/17$446
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:35 pmICN - JFK
1 stop25h 24mMultiple Airlines
Wed 1/77:00 amJFK - ICN
1 stop21h 35mMultiple Airlines
Deal found 12/15$446
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmICN - LGA
2 stops19h 43mUnited Airlines
Tue 1/611:15 amLGA - ICN
2 stops28h 25mUnited Airlines
Deal found 12/16$447
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmICN - EWR
1 stop21h 08mUnited Airlines
Sun 1/2510:15 amEWR - ICN
2 stops29h 25mUnited Airlines
Deal found 12/16$447

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$397
(Agoda.com)

One-way from

$338
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,447
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 ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 2/6

7:15 pm-10:50 am

2 stops29h 35m

Washington, D.C. Reagan-National

Sun 2/8

6:30 am-4:45 pm

1 stop20h 15m

$469

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Mon 1/26

12:45 pm-8:00 pm

2 stops21h 15m

Newark

Sat 1/31

4:40 pm-5:40 am

1 stop23h 00m

$479

IncheonNew York

ICN - LGA

ICNLGA

Incheon Intl

Tue 1/20

12:45 pm-8:19 pm

2 stops21h 34m

New York LaGuardia

Sat 1/24

2:55 pm-5:40 am

2 stops24h 45m

$480

IncheonNew York

ICN - LGA

ICNLGA

Incheon Intl

Tue 1/20

12:45 pm-11:21 pm

2 stops24h 36m

New York LaGuardia

Sun 1/25

2:55 pm-5:40 am

2 stops24h 45m

$480

IncheonNew York

ICN - LGA

ICNLGA

Incheon Intl

Thu 1/22

6:00 pm-11:43 pm

2 stops19h 43m

New York LaGuardia

Sun 1/25

1:15 pm-5:40 am

2 stops26h 25m

$480

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Sun 1/25

6:00 pm-9:49 am

2 stops29h 49m

Newark

Sat 2/7

6:00 am-4:15 pm

1 stop20h 15m

$480

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Mon 1/26

6:00 pm-1:08 am

1 stop21h 08m

Newark

Mon 2/2

2:20 pm-5:40 am

2 stops25h 20m

$480

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Thu 1/22

12:45 pm-4:56 pm

1 stop18h 11m

Newark

Sat 1/24

2:00 pm-5:40 am

1 stop25h 40m

$480

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Tue 1/27

12:45 pm-7:34 pm

2 stops20h 49m

Newark

Fri 1/30

12:42 pm-5:40 am

2 stops26h 58m

$480

IncheonNewark

ICN - EWR

ICNEWR

Incheon Intl

Fri 1/23

6:00 pm-5:45 am

2 stops25h 45m

Newark

Fri 1/30

12:42 pm-5:40 am

2 stops26h 58m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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.

What is the cheapest time of day to fly from SEL to PA?

Find hourly flight availability from Seoul to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Seoul to Pennsylvania at noon. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 December 18, 2025.
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
1,186 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Food

8.1

Crew

8.7

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Food

8.1

Crew

8.7

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
8,006 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Boarding

8.5

Overall

8.4

Food

8.1

Crew

8.7

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?

    American Airlines, United Airlines, and Asiana Airlines can get you from Seoul to Pennsylvania in just under 14h. Your travel time can differ by up to 15h 35m. Seoul and Pennsylvania are separated by a distance of 6887 mi. This flight may include one or multiple stops.

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

    $379 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $411 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 - Washington, D.C. Dulles Intl or Incheon Intl - New York LaGuardia 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$626Average$882FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$782Average$1,518FlexibilityNo cancel feeOn-time81%

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