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Cheap flights from Philadelphia to Seoul from $653

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 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:42 am - 4:25 pm
PHL
-
ICN
17h 43m
1 stop
Delta Logo
7:40 pm - 10:33 am
ICN
-
PHL
27h 53m
1 stop
$1,038Delta
Sun, Sep 20 - Sun, Sep 27
Delta Logo
7:00 am - 3:20 pm
PHL
-
ICN
19h 20m
1 stop
Delta Logo
7:00 pm - 6:05 am
ICN
-
PHL
24h 05m
1 stop
$1,046Delta
Tue, Sep 1 - Thu, Oct 1
American Airlines Logo
7:00 am - 3:45 pm
PHL
-
ICN
19h 45m
1 stop
American Airlines Logo
5:50 pm - 12:19 am
ICN
-
PHL
19h 29m
1 stop
$1,047American Airlines
Mon, Aug 31 - Thu, Sep 10
Delta Logo
6:00 am - 4:50 pm
PHL
-
ICN
21h 50m
2 stops
Delta Logo
7:00 pm - 5:43 am
ICN
-
PHL
23h 43m
2 stops
$1,051Delta
Mon, Aug 31 - Wed, Sep 30
American Airlines Logo
8:15 pm - 3:45 pm
PHL
-
ICN
30h 30m
1 stop
American Airlines Logo
5:50 pm - 10:55 pm
ICN
-
PHL
18h 05m
1 stop
$1,054American Airlines
Sun, Aug 30 - Wed, Sep 9
American Airlines Logo
4:28 pm - 3:45 pm
PHL
-
ICN
34h 17m
1 stop
American Airlines Logo
5:50 pm - 7:30 am
ICN
-
PHL
26h 40m
2 stops
$1,058American Airlines
Sun, Aug 23 - Wed, Sep 2
American Airlines Logo
5:45 pm - 3:45 pm
PHL
-
ICN
33h 00m
1 stop
American Airlines Logo
5:50 pm - 1:03 pm
ICN
-
PHL
32h 13m
1 stop
$1,061American Airlines
Sun, Aug 23 - Wed, Sep 2
Air Canada Logo
3:25 pm - 4:25 pm
PHL
-
ICN
36h 00m
1 stop
Air Canada Logo
7:05 pm - 2:47 pm
ICN
-
PHL
32h 42m
2 stops
$1,085Air Canada
Wed, Sep 2 - Wed, Sep 16
Air Canada Logo
4:20 pm - 4:05 pm
PHL
-
ICN
34h 45m
2 stops
Air Canada Logo
7:05 pm - 9:45 am
ICN
-
PHL
27h 40m
1 stop
$1,087Air Canada
Mon, Sep 28 - Thu, Oct 8
Air Canada Logo
4:20 pm - 4:05 pm
PHL
-
ICN
34h 45m
2 stops
Air Canada Logo
7:05 pm - 2:47 pm
ICN
-
PHL
32h 42m
2 stops
$1,090Air Canada
Wed, Sep 2 - Wed, Sep 16

Delta flights from Philadelphia to Incheon Intl Airport

Our best Delta deals on Philadelphia to Incheon Intl Airport flight tickets
Delta
Sep 20
PHL9:42 amPhiladelphia
17h 43m
1 stop
ICN4:25 pmIncheon Intl
Sep 27
ICN7:40 pmIncheon Intl
27h 53m
1 stop
PHL10:33 amPhiladelphia
$1,038
Delta
Sep 1
PHL7:00 amPhiladelphia
19h 20m
1 stop
ICN3:20 pmIncheon Intl
Oct 1
ICN7:00 pmIncheon Intl
24h 05m
1 stop
PHL6:05 amPhiladelphia
$1,046
Delta
Aug 31
PHL6:00 amPhiladelphia
21h 50m
2 stops
ICN4:50 pmIncheon Intl
Sep 30
ICN7:00 pmIncheon Intl
23h 43m
2 stops
PHL5:43 amPhiladelphia
$1,051

American Airlines flights from Philadelphia to Incheon Intl Airport

Our best American Airlines deals on Philadelphia to Incheon Intl Airport flight tickets
American Airlines
Aug 31
PHL7:00 amPhiladelphia
19h 45m
1 stop
ICN3:45 pmIncheon Intl
Sep 10
ICN5:50 pmIncheon Intl
19h 29m
1 stop
PHL12:19 amPhiladelphia
$1,047
American Airlines
Aug 30
PHL8:15 pmPhiladelphia
30h 30m
1 stop
ICN3:45 pmIncheon Intl
Sep 9
ICN5:50 pmIncheon Intl
18h 05m
1 stop
PHL10:55 pmPhiladelphia
$1,054
American Airlines
Aug 23
PHL4:28 pmPhiladelphia
34h 17m
1 stop
ICN3:45 pmIncheon Intl
Sep 2
ICN5:50 pmIncheon Intl
26h 40m
2 stops
PHL7:30 amPhiladelphia
$1,058

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated May 9, 2026.
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

Cheapest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 9/20

9:42 am-4:25 pm

1 stop17h 43m

Incheon Intl

Sun 9/27

7:40 pm-10:33 am

1 stop27h 53m

$1,038

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/1

7:00 am-3:20 pm

1 stop19h 20m

Incheon Intl

Thu 10/1

7:00 pm-6:05 am

1 stop24h 05m

$1,046
Quickest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 8/31

7:00 am-3:45 pm

1 stop19h 45m

Incheon Intl

Thu 9/10

5:50 pm-12:19 am

1 stop19h 29m

$1,047

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 8/31

6:00 am-4:50 pm

2 stops21h 50m

Incheon Intl

Wed 9/30

7:00 pm-5:43 am

2 stops23h 43m

$1,051

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 8/30

8:15 pm-3:45 pm

1 stop30h 30m

Incheon Intl

Wed 9/9

5:50 pm-10:55 pm

1 stop18h 05m

$1,054

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 8/23

4:28 pm-3:45 pm

1 stop34h 17m

Incheon Intl

Wed 9/2

5:50 pm-7:30 am

2 stops26h 40m

$1,058

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 8/23

5:45 pm-3:45 pm

1 stop33h 00m

Incheon Intl

Wed 9/2

5:50 pm-1:03 pm

1 stop32h 13m

$1,061

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 9/2

3:25 pm-4:25 pm

1 stop36h 00m

Incheon Intl

Wed 9/16

7:05 pm-2:47 pm

2 stops32h 42m

$1,085

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 9/28

4:20 pm-4:05 pm

2 stops34h 45m

Incheon Intl

Thu 10/8

7:05 pm-9:45 am

1 stop27h 40m

$1,087

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 9/2

4:20 pm-4:05 pm

2 stops34h 45m

Incheon Intl

Wed 9/16

7:05 pm-2:47 pm

2 stops32h 42m

$1,090

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Philadelphia and Incheon Intl Airport?

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

The cheapest month to fly to Incheon Intl Airport from Philadelphia is in January. Flight prices, which tend to average around $845, 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 January, then departing from Philadelphia during the month November is also very affordable. Most momondo users find prices during this month for around $868.

How far in advance should I book a flight from Philadelphia 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 $1,097 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 $866 on momondo.

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

You could potentially save up to 27% on your flight if you consider stops on a Philadelphia to Incheon Intl Airport flight.

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

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

Fastest flight time

19h 40m

Direct flights

None
The fastest flight from Philadelphia to Incheon Intl Airport takes 19h 40m
There are no direct flights from Philadelphia to Incheon Intl Airport. There are no popular flight routes from Philadelphia to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from Philadelphia to Incheon Intl Airport

  • 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 40m.

  • 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?

  • 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?

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
Air CanadaPriceFrom $675Free CancellationRating
7.1
11,012 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
United AirlinesPriceFrom $845Free CancellationRating
7.4
9,695 reviews
Search United Airlines flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,456 reviews
Search Delta flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
530 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Daejeon
Suwon
Seongnam
Anyang

Why use momondo?

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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