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Cheap flights from Philadelphia to Seoul from $478

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 11/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:05 am - 4:25 pmPHL  Philadelphia-ICN Incheon Intl
17h 20m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:45 pm - 10:11 amICN  Incheon Intl-PHL Philadelphia
29h 26m2 stops Vancouver Intl Toronto Pearson Intl
$1,055Air Canada
Mon, Aug 31 - Thu, Sep 10
Air Canada Logo
10:05 am - 4:25 pmPHL  Philadelphia-ICN Incheon Intl
17h 20m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:45 pm - 9:56 amICN  Incheon Intl-PHL Philadelphia
29h 11m2 stops Vancouver Intl Toronto Pearson Intl
$1,061Air Canada
Mon, Aug 31 - Wed, Sep 30
American Airlines Logo
10:15 pm - 3:45 pmPHL  Philadelphia-ICN Incheon Intl
28h 30m2 stops Boston Logan Intl Dallas/Fort Worth
American Airlines Logo
5:50 pm - 10:51 pmICN  Incheon Intl-PHL Philadelphia
18h 01m1 stop Dallas/Fort Worth
$1,098American Airlines
Sun, Aug 23 - Mon, Sep 7
American Airlines Logo
8:17 pm - 3:45 pmPHL  Philadelphia-ICN Incheon Intl
30h 28m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 11:52 amICN  Incheon Intl-PHL Philadelphia
31h 02m1 stop Dallas/Fort Worth
$1,098American Airlines
Sun, Aug 23 - Mon, Sep 7
Delta Logo
7:20 am - 3:20 pmPHL  Philadelphia-ICN Incheon Intl
19h 00m1 stop Salt Lake City
Delta Logo
7:00 pm - 5:50 amICN  Incheon Intl-PHL Philadelphia
23h 50m1 stop Seattle/Tacoma Intl
$1,101Delta
Mon, Aug 31 - Wed, Sep 9
Delta Logo
6:05 am - 4:25 pmPHL  Philadelphia-ICN Incheon Intl
21h 20m1 stop Detroit Metropolitan Wayne County
Delta Logo
4:25 pm - 9:53 pmICN  Incheon Intl-PHL Philadelphia
18h 28m1 stop Atlanta Hartsfield-Jackson
$1,101Delta
Mon, Aug 31 - Tue, Sep 8
Multiple Airlines Logo
4:45 pm - 6:45 pmPHL  Philadelphia-ICN Incheon Intl
37h 00m2 stops Atlanta Hartsfield-Jackson Calgary
Multiple Airlines Logo
7:40 pm - 11:56 pmICN  Incheon Intl-PHL Philadelphia
17h 16m1 stop Minneapolis St Paul
$1,123Multiple Airlines
Tue, Sep 1 - Thu, Sep 10
Multiple Airlines Logo
4:45 pm - 6:45 pmPHL  Philadelphia-ICN Incheon Intl
37h 00m2 stops Atlanta Hartsfield-Jackson Calgary
Multiple Airlines Logo
7:40 pm - 11:58 pmICN  Incheon Intl-PHL Philadelphia
17h 18m1 stop Minneapolis St Paul
$1,123Multiple Airlines
Tue, Sep 1 - Wed, Sep 9
Alaska Airlines Logo
6:59 pm - 5:30 pmPHL  Philadelphia-ICN Incheon Intl
33h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:35 pm - 5:40 amICN  Incheon Intl-PHL Philadelphia
23h 05m1 stop Seattle/Tacoma Intl
$1,190Alaska Airlines
Tue, Sep 1 - Wed, Sep 9
Alaska Airlines Logo
6:59 pm - 5:30 pmPHL  Philadelphia-ICN Incheon Intl
33h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:35 pm - 5:40 amICN  Incheon Intl-PHL Philadelphia
23h 05m1 stop Seattle/Tacoma Intl
$1,204Alaska Airlines
Wed, Sep 2 - Wed, Sep 16

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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
Air Canada
Aug 31
PHL10:05 amPhiladelphia
17h 20m
1 stop
ICN4:25 pmIncheon Intl
Sep 10
ICN5:45 pmIncheon Intl
29h 26m
2 stops
PHL10:11 amPhiladelphia
$1,055
Air Canada
Aug 31
PHL10:05 amPhiladelphia
17h 20m
1 stop
ICN4:25 pmIncheon Intl
Sep 30
ICN5:45 pmIncheon Intl
29h 11m
2 stops
PHL9:56 amPhiladelphia
$1,061
Air Canada
Aug 20
PHL10:50 amPhiladelphia
17h 40m
1 stop
ICN5:30 pmIncheon Intl
Sep 15
ICN5:45 pmIncheon Intl
29h 26m
2 stops
PHL10:11 amPhiladelphia
$1,062

Delta flights from Philadelphia to Incheon Intl Airport

Our best Delta deals on Philadelphia to Incheon Intl Airport flight tickets
Delta
Aug 31
PHL7:20 amPhiladelphia
19h 00m
1 stop
ICN3:20 pmIncheon Intl
Sep 9
ICN7:00 pmIncheon Intl
23h 50m
1 stop
PHL5:50 amPhiladelphia
$1,101
Delta
Aug 31
PHL2:31 pmPhiladelphia
24h 29m
1 stop
ICN4:00 amIncheon Intl
Sep 3
ICN7:20 pmIncheon Intl
23h 45m
1 stop
PHL6:05 amPhiladelphia
$1,107
Delta
Aug 31
PHL6:05 amPhiladelphia
21h 45m
2 stops
ICN4:50 pmIncheon Intl
Sep 3
ICN7:00 pmIncheon Intl
23h 50m
1 stop
PHL5:50 amPhiladelphia
$1,112

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 August 12, 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 Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Mon 8/31

10:05 am-4:25 pm

1 stop17h 20m

Incheon Intl

Thu 9/10

5:45 pm-10:11 am

2 stops29h 26m

$1,055

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Mon 8/31

10:05 am-4:25 pm

1 stop17h 20m

Incheon Intl

Wed 9/30

5:45 pm-9:56 am

2 stops29h 11m

$1,061

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 8/23

10:15 pm-3:45 pm

2 stops28h 30m

Incheon Intl

Mon 9/7

5:50 pm-10:51 pm

1 stop18h 01m

$1,098

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 8/23

8:17 pm-3:45 pm

1 stop30h 28m

Incheon Intl

Mon 9/7

5:50 pm-11:52 am

1 stop31h 02m

$1,098

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Mon 8/31

7:20 am-3:20 pm

1 stop19h 00m

Incheon Intl

Wed 9/9

7:00 pm-5:50 am

1 stop23h 50m

$1,101
Quickest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Mon 8/31

6:05 am-4:25 pm

1 stop21h 20m

Incheon Intl

Tue 9/8

4:25 pm-9:53 pm

1 stop18h 28m

$1,101

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Tue 9/1

4:45 pm-6:45 pm

2 stops37h 00m

Incheon Intl

Thu 9/10

7:40 pm-11:56 pm

1 stop17h 16m

$1,123

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Tue 9/1

4:45 pm-6:45 pm

2 stops37h 00m

Incheon Intl

Wed 9/9

7:40 pm-11:58 pm

1 stop17h 18m

$1,123

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Tue 9/1

6:59 pm-5:30 pm

1 stop33h 31m

Incheon Intl

Wed 9/9

7:35 pm-5:40 am

1 stop23h 05m

$1,190

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Wed 9/2

6:59 pm-5:30 pm

1 stop33h 31m

Incheon Intl

Wed 9/16

7:35 pm-5:40 am

1 stop23h 05m

$1,204

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $899 to $1,269.
The lowest price recently found on this route was $1,055.

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 September is also very affordable. Most momondo users find prices during this month for around $867.

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 $1,165 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 $939 on momondo.

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

You could potentially save up to 17% 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

17h 20m

Direct flights

None
The fastest flight from Philadelphia to Incheon Intl Airport takes 17h 20m
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 17h 20m.

  • 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 $784Free CancellationRating
7.1
11,466 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,915 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $845Free CancellationRating
7.9
12,800 reviews
Search Alaska Airlines flights
DeltaPriceFrom $845Free CancellationRating
7.8
8,504 reviews
Search Delta flights
United AirlinesPriceFrom $850Free CancellationRating
7.4
10,115 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
556 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,221 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.

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