Seoul

$508+ Cheap flights from Philadelphia (PHL) to Seoul (SEL)

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEL
Apr 2 — Apr 91
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Find cheap flights from Philadelphia to Seoul with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
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Cheapflights Tip: The best prices from Philadelphia to Seoul are usually found in March or November, booked 36 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Philadelphia to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$986
(Kiwi.com)

One-way from

$508
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$965
Provider with most accurate pricing for Philadelphia-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Seoul (SEL) flights.
From Philadelphia to Seoul (SEL)
One-way flight from Philadelphia to Seoul (SEL)
Highest demand for flights based on searches. 3% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Philadelphia to Seoul

Cheapest flights from Philadelphia to Seoul
Explore the most affordable flight options available from Philadelphia to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:08 pmPHL - ICN
2 stops33h 22mMultiple Airlines
Wed 4/912:45 pmICN - PHL
1 stop29h 21mMultiple Airlines
Deal found 3/27$964
This Priceline deal was found by Cheapflights users on 3/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/193:30 pmPHL - ICN
2 stops35h 35mAir Canada
Mon 5/125:45 pmICN - PHL
2 stops33h 51mAir Canada
Deal found 3/27$1,129
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:00 amPHL - ICN
1 stop19h 20mDelta
Thu 10/307:25 pmICN - PHL
1 stop18h 02mDelta
Deal found 3/27$1,206
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:45 pmPHL - ICN
2 stops31h 15mUnited Airlines
Mon 5/194:50 pmICN - PHL
1 stop25h 49mUnited Airlines
Deal found 3/27$1,226
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:09 amPHL - GMP
2 stops36h 36mJapan Airlines
Tue 9/3012:05 pmGMP - PHL
2 stops47h 11mJapan Airlines
Deal found 3/27$1,259
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:25 amPHL - ICN
1 stop22h 25mAlaska Airlines
Sat 10/258:50 pmICN - PHL
1 stop22h 11mAlaska Airlines
Deal found 3/27$1,306
This WestJet deal was found by Cheapflights users on 3/27. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/152:03 pmPHL - ICN
2 stops39h 42mWestJet
Sun 6/228:45 pmICN - PHL
2 stops56h 29mWestJet
Deal found 3/27$1,355
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:55 amPHL - GMP
2 stops26h 25mMultiple Airlines
Sun 9/287:40 amGMP - PHL
2 stops27h 48mMultiple Airlines
Deal found 3/27$1,389
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/312:50 pmPHL - GMP
2 stops33h 15mANA
Tue 5/137:55 pmGMP - PHL
2 stops55h 10mANA
Deal found 3/27$1,584
This Air China deal was found by Cheapflights users on 3/27. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1710:35 amPHL - GMP
2 stops38h 35mAir China
Fri 6/208:35 amGMP - PHL
2 stops27h 54mAir China
Deal found 3/27$3,307

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Seoul 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 March 28, 2025.
Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.

Fly from

Philadelphia

Fly to

Seoul

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 4/6

10:08 pm-8:30 pm

2 stops33h 22m

Incheon Intl

Wed 4/9

12:45 pm-5:06 am

1 stop29h 21m

$986

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 4/19

3:30 pm-4:05 pm

2 stops35h 35m

Incheon Intl

Mon 5/12

5:45 pm-2:36 pm

2 stops33h 51m

$1,129

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 9/1

6:00 am-4:30 pm

2 stops21h 30m

Incheon Intl

Tue 9/30

7:40 pm-5:48 am

1 stop23h 08m

$1,211

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 5/5

6:45 pm-3:00 pm

2 stops31h 15m

Incheon Intl

Mon 5/19

4:50 pm-5:39 am

1 stop25h 49m

$1,226

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 4/23

8:45 am-9:50 pm

2 stops24h 05m

Seoul Gimpo Intl

Wed 5/7

7:55 am-2:11 pm

2 stops19h 16m

$1,310

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 6/15

2:03 pm-6:45 pm

2 stops39h 42m

Incheon Intl

Sun 6/22

8:45 pm-4:14 pm

2 stops56h 29m

$1,355

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 4/3

12:50 pm-11:05 am

2 stops33h 15m

Seoul Gimpo Intl

Tue 5/13

7:55 pm-2:05 pm

2 stops55h 10m

$1,584

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 3/31

9:00 am-9:50 pm

2 stops23h 50m

Seoul Gimpo Intl

Mon 4/7

7:55 am-6:05 am

3 stops35h 10m

$1,828

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 6/17

10:35 am-2:10 pm

2 stops38h 35m

Seoul Gimpo Intl

Fri 6/20

8:35 am-11:29 pm

2 stops27h 54m

$3,307

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 5/11

3:42 pm-11:25 am

2 stops54h 43m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 17 results
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Compare providers for flights from Philadelphia to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Seoul in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Philadelphia 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 Philadelphia to Seoul

How far ahead should I book a flight from Philadelphia to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Seoul. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Seoul, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Seoul (average of $1,002). Flying from Philadelphia to Seoul in June is currently the most expensive (average of $1,661). 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 PHL to SEL?

Find hourly flight availability from Philadelphia to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

It’s optimal to fly from Philadelphia to Seoul in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated March 28, 2025.
Read through reviews of airlines operating flights from Philadelphia to Seoul, such as Japan Airlines, ANA and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
8.3
Very good

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
8.0
Very good

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Philadelphia to Seoul?

    Most people fly from Philadelphia (PHL) if they book a flight from Philadelphia to Seoul. On average, Philadelphia has 0 outbound flights to Seoul per day from 5 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

  • What are the cheapest airlines flying from Philadelphia to Seoul round-trip?

    Currently priced at $1,129, Air Canada will fly you from Philadelphia to Seoul and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $1,211 and $1,226, respectively. Users have found that Air Canada is 4% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $521 on Air Canada. Other airlines that offer cheap prices include WestJet from $676 and Delta from $716 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Seoul 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 Philadelphia to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Seoul (average of $1,002). Flying from Philadelphia to Seoul in June is currently the most expensive (average of $1,661). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Philadelphia to Seoul

Discover the top 5 airlines that operate flights from Philadelphia to Seoul. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$795Average$1,091FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$872Average$1,293FlexibilityNo cancel feeOn-time69%
DeltaCheapest$881Average$1,198FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$903Average$1,242FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,076Average$1,566FlexibilityNo cancel feeOn-time81%
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