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

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Philadelphia to Incheon Intl

Which layover airport offers the lowest fares from Philadelphia to Incheon Intl Airport?

Flights via Montreal (YUL) offer the lowest average round-trip price of $857.

Which layover airport has the shortest travel time from Philadelphia to Incheon Intl Airport?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 18h 05m.

Which airport is the most popular layover for flights between Philadelphia and Incheon Intl Airport?

Minneapolis (MSP) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Incheon Intl Airport?

AIR PREMIA, Air Canada and Korean Air are the top three most popular airlines that fly to Incheon Intl Airport from Philadelphia according to our data. AIR PREMIA is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 14 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Philadelphia to Incheon Intl Airport?

Montreal (YUL) has the shortest average layover time for this route: 1h 49m.

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

Prices for flights from Philadelphia Airport to Incheon Intl Airport refresh daily.

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

The number of operators available for flights from Philadelphia Airport to Incheon Intl Airport is 5 as of November 2025.

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

What documentation or ID do you need to fly to Incheon Intl Airport?

The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$425 Cheap Flights from Philadelphia to Incheon Intl Airport in 2025/26

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3:30 pm - 5:10 pmPHL-ICN

35h 40m2 stops

6:55 pm - 2:50 pmICN-PHL

33h 55m2 stops

$778Air Canada

Find Deal

mar., dic. 2 - mar., dic. 16

4:35 pm - 6:25 pmPHL-ICN

35h 50m1 stop

6:55 pm - 2:50 pmICN-PHL

33h 55m2 stops

$785Air Canada

Find Deal

mar., dic. 2 - mar., dic. 16

4:35 pm - 6:25 pmPHL-ICN

35h 50m1 stop

8:10 pm - 3:49 pmICN-PHL

33h 39m1 stop

$791Air Canada

Find Deal

mar., dic. 2 - mar., dic. 16

5:10 am - 4:45 pmPHL-ICN

21h 35m1 stop

7:15 pm - 9:06 amICN-PHL

27h 51m1 stop

$846American Airlines

Find Deal

jue., nov. 27 - dom., dic. 21

5:10 am - 4:45 pmPHL-ICN

21h 35m1 stop

7:15 pm - 7:26 amICN-PHL

26h 11m2 stops

$851American Airlines

Find Deal

jue., nov. 27 - dom., dic. 21

5:55 am - 3:50 pmPHL-ICN

20h 55m1 stop

4:25 pm - 12:22 amICN-PHL

20h 57m1 stop

$866Delta

Find Deal

dom., mar. 22 - mié., abr. 8

6:00 am - 4:25 pmPHL-ICN

21h 25m1 stop

6:50 pm - 12:25 amICN-PHL

18h 35m1 stop

$867Delta

Find Deal

jue., abr. 2 - jue., abr. 23

7:00 am - 6:35 pmPHL-ICN

22h 35m1 stop

8:35 pm - 5:23 amICN-PHL

21h 48m1 stop

$868Alaska Airlines

Find Deal

vie., mar. 20 - dom., abr. 5

8:05 pm - 3:15 pmPHL-ICN

29h 10m2 stops

5:00 pm - 9:38 pmICN-PHL

17h 38m1 stop

$873United Airlines

Find Deal

sáb., mar. 7 - vie., mar. 27

6:35 pm - 6:35 pmPHL-ICN

35h 00m1 stop

8:35 pm - 5:23 amICN-PHL

21h 48m1 stop

$874Alaska Airlines

Find Deal

mié., mar. 25 - lun., abr. 6

Air Canada flights from Philadelphia to Incheon Intl Airport

Our best Air Canada deals on Philadelphia to Incheon Intl Airport flight tickets

Air Canada

Dec 2

PHL3:30 pmPhiladelphia

35h 40m

2 stops

ICN5:10 pmIncheon Intl

Dec 16

ICN6:55 pmIncheon Intl

33h 55m

2 stops

PHL2:50 pmPhiladelphia

$778

Find similar

Air Canada

Nov 10

PHL9:20 amPhiladelphia

41h 50m

2 stops

ICN5:10 pmIncheon Intl

Nov 24

ICN6:55 pmIncheon Intl

33h 52m

2 stops

PHL2:47 pmPhiladelphia

$780

Find similar

Air Canada

Dec 2

PHL4:35 pmPhiladelphia

35h 50m

1 stop

ICN6:25 pmIncheon Intl

Dec 16

ICN6:55 pmIncheon Intl

33h 55m

2 stops

PHL2:50 pmPhiladelphia

$785

Find similar

American Airlines flights from Philadelphia to Incheon Intl Airport

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

American Airlines

Nov 27

PHL5:10 amPhiladelphia

21h 35m

1 stop

ICN4:45 pmIncheon Intl

Dec 21

ICN7:15 pmIncheon Intl

27h 51m

1 stop

PHL9:06 amPhiladelphia

$846

Find similar

American Airlines

Nov 27

PHL5:10 amPhiladelphia

21h 35m

1 stop

ICN4:45 pmIncheon Intl

Dec 21

ICN7:15 pmIncheon Intl

26h 11m

2 stops

PHL7:26 amPhiladelphia

$851

Find similar

American Airlines

Jan 1

PHL5:00 amPhiladelphia

21h 45m

1 stop

ICN4:45 pmIncheon Intl

Feb 20

ICN6:50 pmIncheon Intl

19h 51m

1 stop

PHL12:41 amPhiladelphia

$856

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momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

mar. 12/2

3:30 pm-5:10 pm

2 stops35h 40m

Incheon Intl

mar. 12/16

6:55 pm-2:50 pm

2 stops33h 55m

$778

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

mar. 12/2

4:35 pm-6:25 pm

1 stop35h 50m

Incheon Intl

mar. 12/16

6:55 pm-2:50 pm

2 stops33h 55m

$785

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

mar. 12/2

4:35 pm-6:25 pm

1 stop35h 50m

Incheon Intl

mar. 12/16

8:10 pm-3:49 pm

1 stop33h 39m

$791

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

jue. 11/27

5:10 am-4:45 pm

1 stop21h 35m

Incheon Intl

dom. 12/21

7:15 pm-9:06 am

1 stop27h 51m

$846

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

jue. 11/27

5:10 am-4:45 pm

1 stop21h 35m

Incheon Intl

dom. 12/21

7:15 pm-7:26 am

2 stops26h 11m

$851

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

dom. 3/22

5:55 am-3:50 pm

1 stop20h 55m

Incheon Intl

mié. 4/8

4:25 pm-12:22 am

1 stop20h 57m

$866

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

jue. 4/2

6:00 am-4:25 pm

1 stop21h 25m

Incheon Intl

jue. 4/23

6:50 pm-12:25 am

1 stop18h 35m

$867

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

vie. 3/20

7:00 am-6:35 pm

1 stop22h 35m

Incheon Intl

dom. 4/5

8:35 pm-5:23 am

1 stop21h 48m

$868

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

sáb. 3/7

8:05 pm-3:15 pm

2 stops29h 10m

Incheon Intl

vie. 3/27

5:00 pm-9:38 pm

1 stop17h 38m

$873

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

mié. 3/25

6:35 pm-6:35 pm

1 stop35h 00m

Incheon Intl

lun. 4/6

8:35 pm-5:23 am

1 stop21h 48m

$874

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 Philadelphia to Incheon Intl Airport

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

Layovers

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Philadelphia is in November. Flight prices, which tend to average around $868, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of November, then departing from Philadelphia during the month March is also very affordable. Most momondo users find prices during this month for around $872.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Philadelphia to Incheon Intl Airport is on a Thursday when prices can be found for as low as $1,178. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,457. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the morning is the cheapest time of day to fly from Philadelphia to Incheon Intl Airport when you can find flight prices for as low as $1,241. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $2,271 on average. Flights to Incheon Intl Airport from Philadelphia at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,071 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Philadelphia for as low as $949 on momondo.

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

As of November 2025, prices for Philadelphia to Incheon Intl Airport flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Incheon Intl Airport

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

Estimated round-trip price

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

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

Direct flights	None

There are no direct flights from Philadelphia to Incheon Intl Airport. There are no popular flight routes from Philadelphia to Incheon Intl Airport.

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How far is Philadelphia to Incheon Intl by plane?
Philadelphia and Incheon Intl are 6911.2 mi apart from one another. A reasonable flight in good conditions will take 19h 15m.
When did momondo last update prices for flights from Philadelphia Airport to Incheon Intl Airport?
Prices for flights from Philadelphia Airport to Incheon Intl Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Incheon Intl Airport?
The number of operators available for flights from Philadelphia Airport to Incheon Intl Airport is 5 as of November 2025.
How old do you have to be to fly from Philadelphia Airport to Incheon Intl 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 Philadelphia Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Incheon Intl Airport is Air Canada (60% of total bookings). The next most popular airlines are Delta (21%), United Airlines (8%), and Korean Air (7%).

Best airlines flying from Philadelphia to Incheon Intl Airport

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 9,000 reviews	Search United Airlines flights
Air Canada	PriceFrom $795	Free Cancellation	Rating 7.1 10,404 reviews	Search Air Canada flights
Delta	PriceFrom $866	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
American Airlines	PriceFrom $871	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Korean Air	PriceFrom $1,060	Free Cancellation	Rating 8.4 1,160 reviews	Search Korean Air flights

Suwon

Seongnam

Daejeon

Anyang

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

It is quick and easy to find Philadelphia to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

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

Flights from Philadelphia to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Philadelphia and Seoul 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 Philadelphia to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Philadelphia and alert you when they change.

An easier way to manage your Incheon Intl Airport trip

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Flights to Seoul Gimpo Intl Airportfrom $747

Cheap flights from Philadelphia to Seoul from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Seoul departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Philadelphia to Incheon Intl Airport

Our best Air Canada deals on Philadelphia to Incheon Intl Airport flight tickets

American Airlines flights from Philadelphia to Incheon Intl Airport

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

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

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

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

What is the cheapest month to fly to Incheon Intl Airport?

What is the cheapest day to depart on your flight to Incheon Intl Airport?

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

How far in advance should I book a flight to Incheon Intl Airport?

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

As of November 2025, prices for Philadelphia to Incheon Intl Airport flights are approximately 32% cheaper when compared to flights at the same time last year.

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

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Philadelphia to Incheon Intl

What airlines fly to Incheon Intl Airport?

Which airport is the most popular layover for flights between Philadelphia and Incheon Intl Airport?

Minneapolis (MSP) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Incheon Intl Airport?

Flights via Montreal (YUL) offer the lowest average round-trip price of $857.

Which layover airport has the shortest travel time from Philadelphia to Incheon Intl Airport?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 18h 05m.

Which layover airport has the shortest connection time from Philadelphia to Incheon Intl Airport?

Montreal (YUL) has the shortest average layover time for this route: 1h 49m.

When to book flights from Philadelphia to Incheon Intl Airport

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

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

Direct flights

How far is Philadelphia to Incheon Intl by plane?

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

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

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

What documentation or ID do you need to fly to Incheon Intl Airport?

What is the most popular airline from Philadelphia to Incheon Intl Airport?

Best airlines flying from Philadelphia to Incheon Intl Airport

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

Traveling to a place near Seoul?

Why use momondo?

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

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

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

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

An easier way to manage your Incheon Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo