What is the cheapest airline that flies from Incheon Intl to Philadelphia?

Air Canada, Delta, and Hawaiian Airlines are the most popular carriers operating from Incheon Intl to Philadelphia

What airlines fly to Philadelphia?

Asiana Airlines, AIR PREMIA and Korean Air are the top three most popular airlines that fly to Philadelphia from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 6 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Incheon Intl Airport to Philadelphia Airport?

Prices for flights from Incheon Intl Airport to Philadelphia Airport are updated daily.

How many operators does momondo search for flights from Incheon Intl Airport to Philadelphia Airport?

As of August 2025, there are 4 operators available to choose from for flights from Incheon Intl Airport to Philadelphia Airport.

How old do you have to be to fly from Incheon Intl Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$428 Cheap Flights from Incheon Intl Airport to Philadelphia in 2025

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Find the cheapest flights from Incheon Intl Airport to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

8:35 pm - 5:07 amICN-PHL

70h 32m1 stop

6:35 pm - 6:35 pmPHL-ICN

34h 00m1 stop

$505Hawaiian Airlines

Find Deal

Thu, Dec 25 - Thu, Jan 8

5:25 pm - 1:32 amICN-PHL

21h 07m1 stop

6:42 am - 3:30 pmPHL-ICN

19h 48m1 stop

$513American Airlines

Find Deal

Mon, Sep 15 - Wed, Sep 24

8:35 pm - 6:02 amICN-PHL

22h 27m1 stop

7:11 pm - 6:35 pmPHL-ICN

34h 24m1 stop

$531Alaska Airlines

Find Deal

Sat, Sep 27 - Sat, Oct 4

8:35 pm - 5:40 amICN-PHL

22h 05m1 stop

7:11 pm - 6:35 pmPHL-ICN

34h 24m1 stop

$532Alaska Airlines

Find Deal

Mon, Oct 13 - Fri, Oct 17

6:00 pm - 5:28 pmICN-PHL

37h 28m1 stop

6:16 pm - 4:15 pmPHL-ICN

31h 59m1 stop

$533United Airlines

Find Deal

Fri, Jan 30 - Sun, Feb 8

4:50 pm - 5:26 amICN-PHL

25h 36m1 stop

10:10 am - 4:20 amPHL-ICN

29h 10m2 stops

$534United Airlines

Find Deal

Thu, Sep 11 - Tue, Sep 16

6:00 pm - 9:38 pmICN-PHL

16h 38m1 stop

9:20 am - 4:15 pmPHL-ICN

17h 55m1 stop

$574Air Canada

Find Deal

Sun, Sep 21 - Sat, Sep 27

6:00 pm - 9:54 amICN-PHL

28h 54m2 stops

9:20 am - 4:15 pmPHL-ICN

17h 55m1 stop

$591Air Canada

Find Deal

Sun, Sep 21 - Sat, Sep 27

7:20 pm - 5:45 amICN-PHL

23h 25m2 stops

6:00 am - 4:30 pmPHL-ICN

21h 30m2 stops

$637Delta

Find Deal

Thu, Sep 11 - Mon, Sep 29

9:30 am - 9:34 pmICN-PHL

25h 04m1 stop

6:00 am - 4:30 pmPHL-ICN

21h 30m2 stops

$781Delta

Find Deal

Sun, Sep 28 - Sun, Oct 5

Alaska Airlines flights from Incheon Intl Airport to Philadelphia

Our best Alaska Airlines deals on Incheon Intl Airport to Philadelphia flight tickets

Alaska Airlines

Sep 27

ICN8:35 pmIncheon Intl

22h 27m

1 stop

PHL6:02 amPhiladelphia

Oct 4

PHL7:11 pmPhiladelphia

34h 24m

1 stop

ICN6:35 pmIncheon Intl

$531

Find similar

Alaska Airlines

Oct 13

ICN8:35 pmIncheon Intl

22h 05m

1 stop

PHL5:40 amPhiladelphia

Oct 17

PHL7:11 pmPhiladelphia

34h 24m

1 stop

ICN6:35 pmIncheon Intl

$532

Find similar

Alaska Airlines

Sep 22

ICN9:25 pmIncheon Intl

33h 32m

2 stops

PHL5:57 pmPhiladelphia

Sep 26

PHL7:22 amPhiladelphia

22h 13m

1 stop

ICN6:35 pmIncheon Intl

$628

Find similar

Delta flights from Incheon Intl Airport to Philadelphia

Our best Delta deals on Incheon Intl Airport to Philadelphia flight tickets

Delta

Sep 11

ICN7:20 pmIncheon Intl

23h 25m

2 stops

PHL5:45 amPhiladelphia

Sep 29

PHL6:00 amPhiladelphia

21h 30m

2 stops

ICN4:30 pmIncheon Intl

$637

Find similar

Delta

Sep 28

ICN9:30 amIncheon Intl

25h 04m

1 stop

PHL9:34 pmPhiladelphia

Oct 5

PHL6:00 amPhiladelphia

21h 30m

2 stops

ICN4:30 pmIncheon Intl

$781

Find similar

Delta

Oct 18

ICN7:20 pmIncheon Intl

26h 21m

2 stops

PHL8:41 amPhiladelphia

Oct 24

PHL6:00 amPhiladelphia

21h 40m

2 stops

ICN4:40 pmIncheon Intl

$822

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Incheon Intl Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 12/25

8:35 pm-5:07 am

1 stop70h 32m

Philadelphia

Thu 1/8

6:35 pm-6:35 pm

1 stop34h 00m

$505

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 9/15

5:25 pm-1:32 am

1 stop21h 07m

Philadelphia

Wed 9/24

6:42 am-3:30 pm

1 stop19h 48m

$513

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sat 9/27

8:35 pm-6:02 am

1 stop22h 27m

Philadelphia

Sat 10/4

7:11 pm-6:35 pm

1 stop34h 24m

$531

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 10/13

8:35 pm-5:40 am

1 stop22h 05m

Philadelphia

Fri 10/17

7:11 pm-6:35 pm

1 stop34h 24m

$532

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 1/30

6:00 pm-5:28 pm

1 stop37h 28m

Philadelphia

Sun 2/8

6:16 pm-4:15 pm

1 stop31h 59m

$533

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 9/11

4:50 pm-5:26 am

1 stop25h 36m

Philadelphia

Tue 9/16

10:10 am-4:20 am

2 stops29h 10m

$534

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 9/21

6:00 pm-9:38 pm

1 stop16h 38m

Philadelphia

Sat 9/27

9:20 am-4:15 pm

1 stop17h 55m

$574

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 9/21

6:00 pm-9:54 am

2 stops28h 54m

Philadelphia

Sat 9/27

9:20 am-4:15 pm

1 stop17h 55m

$591

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 9/11

7:20 pm-5:45 am

2 stops23h 25m

Philadelphia

Mon 9/29

6:00 am-4:30 pm

2 stops21h 30m

$637

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 9/28

9:30 am-9:34 pm

1 stop25h 04m

Philadelphia

Sun 10/5

6:00 am-4:30 pm

2 stops21h 30m

$781

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Incheon Intl Airport to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Incheon Intl Airport is in March. Flight prices, which tend to average around $709, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Incheon Intl Airport averaging around $764.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Incheon Intl Airport to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $919. On the other hand, Saturday is the most expensive day to depart from Incheon Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,072.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the afternoon. momondo users have found flights departing from Incheon Intl Airport to Philadelphia in the afternoon for as low as $916. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the evening when prices are around $1,846.

Can stopping save me money on Incheon Intl Airport to Philadelphia flights?

You could potentially save up to 13% on your flight if you consider stops on a Incheon Intl Airport to Philadelphia flight.

How have Incheon Intl Airport to Philadelphia flight prices changed over time?

As of August 2025, prices for Incheon Intl Airport to Philadelphia flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Incheon Intl Airport to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Incheon Intl Airport to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Incheon Intl Airport to Philadelphia (ICN to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Philadelphia

Best Price Found	$428
Fastest flight time	16h 38m
Direct flights	None
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Incheon Intl Airport in the past 72 hours is $428. The best round-trip flight deal from Incheon Intl Airport to Philadelphia found on momondo in the last 72 hours is $505.

The fastest flight from Incheon Intl Airport to Philadelphia takes 16h 38m

There are no direct flights from Incheon Intl Airport to Philadelphia. Popular non-direct route for this connection is Incheon Intl Airport - Philadelphia Airport.

There is 1 airport near Philadelphia: Philadelphia (PHL)

Search flight deals

How far is Incheon Intl to Philadelphia by plane?
A flight from Incheon Intl to Philadelphia will travel around 6911.2 mi. A reasonable flight in good conditions will take 16h 38m.
When did momondo last update prices for flights from Incheon Intl Airport to Philadelphia Airport?
Prices for flights from Incheon Intl Airport to Philadelphia Airport are updated daily.
How many operators does momondo search for flights from Incheon Intl Airport to Philadelphia Airport?
As of August 2025, there are 4 operators available to choose from for flights from Incheon Intl Airport to Philadelphia Airport.
How old do you have to be to fly from Incheon Intl Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Incheon Intl Airport to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Incheon Intl Airport to Philadelphia is Delta, representing 37% of all bookings. The subsequent popular airlines are Korean Air at 26%, United Airlines at 24%, and Air Canada at 14%.

Best airlines flying from Incheon Intl Airport to Philadelphia

Compare and see reviews for airlines that fly from Incheon Intl Airport to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $659	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Delta	PriceFrom $695	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Korean Air	PriceFrom $782	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
Air Canada	PriceFrom $811	Free Cancellation	Rating 7.1 9,966 reviews	Search Air Canada flights

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King of Prussia

Reading

Dewey Beach

Newark

Cherry Hill

North Wildwood

Dover

Lewes

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Stone Harbor

Vineland

Essington

Exton

New Castle

Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Seoul.

Can I find flights from Seoul to Philadelphia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Philadelphia from Seoul with this policy.

How can momondo help me find flights from Seoul to Philadelphia?

momondo helps you find the best flight between Seoul and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seoul to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seoul to Philadelphia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.