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$351+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — PHL
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Seoul to Pennsylvania

Keep the following information in mind while searching for Seoul to Pennsylvania flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$385
(Jetabroad)

One-way from

$351
(Mytrip)

Popular in

April

Cheapest in

October

Average price

$764
From Seoul (SEL) to Pennsylvania
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One-way flight from Seoul (SEL) to Pennsylvania
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Highest demand for flights based on searches. 18% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 15, 2025.

This Onlinetour deal was found by Cheapflights users on 9/13. 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 Onlinetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:05 pmICN - DCA
1 stop35h 59mAir Canada
lun. 9/224:35 pmDCA - ICN
1 stop34h 40mAir Canada
Deal found 9/13$381
This Jetabroad deal was found by Cheapflights users on 9/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:10 pmICN - IAD
1 stop38h 19mAir Canada
mar. 11/44:25 pmIAD - ICN
2 stops34h 45mAir Canada
Deal found 9/13$385
This Onlinetour deal was found by Cheapflights users on 9/13. 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 Onlinetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:05 pmICN - IAD
1 stop31h 33mAir Canada
lun. 9/222:25 pmIAD - ICN
1 stop38h 05mAir Canada
Deal found 9/13$388
This Mytrip deal was found by Cheapflights users on 9/13. 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.
vie. 10/245:45 pmICN - DCA
2 stops31h 23mAir Canada
dom. 11/94:10 pmDCA - ICN
2 stops35h 00mAir Canada
Deal found 9/13$446
This Gotogate deal was found by Cheapflights users on 9/14. 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.
mié. 10/295:55 pmICN - DCA
2 stops31h 24mAir Canada
mié. 11/511:05 amDCA - ICN
2 stops40h 05mAir Canada
Deal found 9/14$452
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/245:45 pmICN - IAD
2 stops28h 53mAir Canada
dom. 11/94:25 pmIAD - ICN
2 stops34h 45mAir Canada
Deal found 9/13$462
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/196:55 pmICN - IAD
2 stops30h 28mAir Canada
mié. 2/119:45 amIAD - ICN
2 stops41h 25mAir Canada
Deal found 9/13$471
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/196:55 pmICN - DCA
2 stops29h 31mAir Canada
jue. 2/124:10 pmDCA - ICN
2 stops35h 00mAir Canada
Deal found 9/13$471
This Air Canada deal was found by Cheapflights users on 9/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:55 pmICN - IAD
2 stops30h 28mAir Canada
mar. 2/35:48 pmIAD - ICN
2 stops33h 22mAir Canada
Deal found 9/12$472
This Air Canada deal was found by Cheapflights users on 9/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:55 pmICN - DCA
2 stops29h 31mAir Canada
jue. 2/54:10 pmDCA - ICN
2 stops35h 00mAir Canada
Deal found 9/12$472
This WhyPayMore deal was found by Cheapflights users on 9/14. 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.
vie. 11/76:55 pmICN - IAD
2 stops39h 31mAir Canada
vie. 11/214:25 pmIAD - ICN
2 stops34h 45mAir Canada
Deal found 9/14$475
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/206:55 pmICN - IAD
2 stops35h 14mAir Canada
jue. 12/44:30 pmIAD - ICN
2 stops34h 40mAir Canada
Deal found 9/14$477

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 septiembre 15, 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 - IAD

ICNIAD

Incheon Intl

sáb. 2/28

6:00 pm-5:09 am

2 stops25h 09m

Washington, D.C. Dulles Intl

sáb. 3/7

5:30 pm-5:40 am

1 stop22h 10m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 12/3

6:00 pm-5:27 am

1 stop25h 27m

Washington, D.C. Dulles Intl

dom. 12/7

5:15 pm-5:40 am

2 stops22h 25m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 11/20

12:45 pm-11:44 pm

2 stops24h 59m

Washington, D.C. Dulles Intl

jue. 12/4

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 11/24

6:00 pm-5:16 am

2 stops25h 16m

Washington, D.C. Dulles Intl

jue. 12/4

6:39 pm-5:40 am

1 stop21h 01m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 10/29

11:55 am-6:55 am

1 stop32h 00m

Washington, D.C. Dulles Intl

mié. 11/5

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

jue. 2/19

12:45 pm-11:59 pm

2 stops25h 14m

Washington, D.C. Reagan-National

lun. 2/23

5:50 pm-4:15 pm

1 stop32h 25m

$503

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

mié. 12/3

6:00 pm-8:58 am

2 stops28h 58m

Washington, D.C. Reagan-National

dom. 12/7

12:00 pm-5:40 am

2 stops27h 40m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mar. 11/18

12:45 pm-4:27 pm

1 stop17h 42m

Washington, D.C. Dulles Intl

lun. 2/9

4:10 pm-5:40 am

1 stop23h 30m

$504

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 11/19

12:45 pm-9:21 pm

2 stops22h 36m

Washington, D.C. Dulles Intl

jue. 2/12

6:20 am-4:15 pm

1 stop19h 55m

$504

IncheonNew York

ICN - JFK

ICNJFK

Incheon Intl

mié. 11/12

9:25 pm-6:30 am

1 stop23h 05m

New York John F Kennedy Intl

lun. 11/17

8:30 am-7:25 pm

1 stop44h 55m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, August is the cheapest month in which you can book a flight from Seoul to Pennsylvania (average of $236). Flying from Seoul to Pennsylvania in March is currently the most expensive (average of $295). 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 septiembre 15, 2025.

When flying from Seoul to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 15, 2025.
See what other customers who have flown with Korean Air, Delta, and Air Canada 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
1,139 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

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
8.0
Very good
7,954 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

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?

    United Airlines, Alaska Airlines, and AIR PREMIA can get you from Seoul to Pennsylvania in just under 13h 35m. Your travel time can differ by up to 11h 34m. Seoul and Pennsylvania are separated by a distance of 6877 mi. This flight may include one or multiple stops.

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

    $365 is the cheapest one-way deal found within the past few days, from AIR PREMIA. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from $414 and $428, respectively.

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

    Most travelers choose Incheon Intl - New York John F Kennedy Intl, Incheon Intl - Newark 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, August is the cheapest month in which you can book a flight from Seoul to Pennsylvania (average of $236). Flying from Seoul to Pennsylvania in March is currently the most expensive (average of $295). 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.

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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 3 airlines flying from Seoul to Pennsylvania

Discover the top 3 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$695Average$907FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$782Average$1,481FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$811Average$975FlexibilityNo cancel feeOn-time67%

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