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$460+ Cheap flights from Incheon Intl (ICN) to Philadelphia (PHL)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — PHL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Incheon Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Philadelphia (PHL). 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 July 3, 2025.

Round-trip from

$714
(Air Canada)

One-way from

$460
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$963
From Incheon Intl to Philadelphia
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One-way flight from Incheon Intl to Philadelphia
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Highest demand for flights based on searches. 13% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Incheon Intl to Philadelphia

Cheapest flights from Incheon Intl to Philadelphia
Explore the most affordable flight options available from Incheon Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Air Canada deal was found by Cheapflights users on 7/1. 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.
Mon 9/85:45 pmICN - PHL
2 stops29h 09mAir Canada
Fri 9/1210:35 amPHL - ICN
1 stop17h 55mAir Canada
Deal found 7/1$714
This Delta deal was found by Cheapflights users on 7/3. 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.
Fri 7/117:20 pmICN - PHL
2 stops23h 30mDelta
Sat 7/266:59 pmPHL - ICN
1 stop33h 21mDelta
Deal found 7/3$722
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 7/711:30 amICN - PHL
2 stops26h 00mUnited Airlines
Mon 7/216:30 amPHL - ICN
1 stop19h 30mUnited Airlines
Deal found 7/3$735
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:00 pmICN - PHL
1 stop23h 01mMultiple Airlines
Mon 1/126:35 pmPHL - ICN
1 stop20h 45mMultiple Airlines
Deal found 7/1$764
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 9/295:25 pmICN - PHL
2 stops28h 28mAmerican Airlines
Tue 10/214:54 pmPHL - ICN
2 stops33h 36mAmerican Airlines
Deal found 7/2$816

Cheapflights Fare Finder

Customize your flight search to find flights from Incheon Intl to Philadelphia 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 July 3, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Philadelphia that are best for you.

Fly from

Incheon Intl

Fly to

Philadelphia

Route

Depart

Return

Price

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 9/8

5:45 pm-9:54 am

2 stops29h 09m

Philadelphia

Fri 9/12

10:35 am-5:30 pm

1 stop17h 55m

$714

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Tue 9/30

11:30 am-12:45 am

3 stops26h 15m

Philadelphia

Wed 10/22

6:29 pm-3:00 pm

1 stop31h 31m

$737

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 12/29

9:00 pm-6:01 am

1 stop23h 01m

Philadelphia

Mon 1/12

6:35 pm-5:20 am

1 stop20h 45m

$764

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 9/29

5:25 pm-8:53 am

2 stops28h 28m

Philadelphia

Tue 10/21

4:54 pm-3:30 pm

2 stops33h 36m

$816

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 8/21

7:20 pm-5:45 am

2 stops23h 25m

Philadelphia

Wed 9/3

6:00 am-4:30 pm

2 stops21h 30m

$820

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 9/17

12:45 pm-9:15 pm

2 stops21h 30m

$460

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 7/16

4:50 pm-9:55 am

2 stops30h 05m

$484

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 7/17

7:40 pm-5:50 am

1 stop23h 10m

$514

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 10/19

6:00 pm-2:38 pm

1 stop33h 38m

$534

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 10/31

6:50 pm-9:26 am

1 stop27h 36m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results
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Best time to book a flight from Incheon Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Incheon Intl 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 Incheon Intl Airport to Philadelphia

What is the cheapest month to book a flight from Incheon Intl Airport to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Philadelphia (average of $236). Flying from Incheon Intl Airport to Philadelphia 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 ICN to PHL?

Find hourly flight availability from Incheon Intl to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Incheon Intl Airport to Philadelphia in the morning. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Incheon Intl Airport to Philadelphia?

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Korean Air, Delta, and United Airlines from Incheon Intl Airport to Philadelphia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,101 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,982 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
United Airlines
7.4
Good
8,861 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
American Airlines
7.2
Good
10,000 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Air Canada
7.1
Good
9,681 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Philadelphia. 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 into for flights to Philadelphia from Incheon Intl?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Incheon Intl to Philadelphia. You should not have trouble finding flights to Philadelphia from Incheon Intl; the airport handles an average of 0 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Philadelphia airport from Incheon Intl. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

  • What are the cheapest airlines flying from Incheon Intl Airport to Philadelphia round-trip?

    Air Canada, at $714, was found to be the cheapest airline from Incheon Intl Airport to Philadelphia.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that Air Canada is 24% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Philadelphia one-way?

    The cheapest airlines for a one-way flight from Incheon Intl Airport to Philadelphia are United Airlines ($484), Delta ($514), and Air Canada ($534).

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

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

  • How can I find direct flights from Incheon Intl to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to Philadelphia 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 Incheon Intl Airport to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Philadelphia (average of $236). Flying from Incheon Intl Airport to Philadelphia 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.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Cherry Hill
Pottstown
Ocean City
Chester
Essington
Exton
Reading
Newark
Millville
Ephrata
Camden
Dover
Elkton
Willow Grove
Glen Mills
Springfield
Phoenixville

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Top 5 airlines flying from Incheon Intl to Philadelphia

Discover the top 5 airlines that operate flights from Incheon Intl to Philadelphia. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$552Average$807FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$659Average$728FlexibilityNo cancel feeOn-time69%
DeltaCheapest$749Average$911FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$782Average$1,086FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$811Average$975FlexibilityNo cancel feeOn-time67%

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