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Cheap flights from Philadelphia to Incheon Intl Airport from $479

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 Incheon Intl Airport departing on 5/10. 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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Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

These are some of the best round-trip flight deals from Philadelphia to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
3:20 pm - 4:05 pmPHL-ICN
35h 45m2 stops
5:45 pm - 2:36 pmICN-PHL
33h 51m2 stops
$1,029Air Canada
Find Deal
Mon, May 5 - Mon, May 19
3:30 pm - 4:05 pmPHL-ICN
35h 35m2 stops
7:05 pm - 10:15 amICN-PHL
28h 10m1 stop
$1,035Air Canada
Find Deal
Wed, Apr 23 - Wed, May 28
9:15 am - 4:05 pmPHL-ICN
41h 50m2 stops
5:45 pm - 10:27 pmICN-PHL
41h 42m2 stops
$1,040Air Canada
Find Deal
Mon, Sep 1 - Mon, Sep 15
9:39 am - 4:25 pmPHL-ICN
17h 46m1 stop
4:25 pm - 12:48 amICN-PHL
21h 23m1 stop
$1,132Delta
Find Deal
Sun, Apr 6 - Tue, Apr 8
5:30 am - 2:10 pmPHL-ICN
19h 40m1 stop
7:20 pm - 8:53 amICN-PHL
26h 33m2 stops
$1,136Delta
Find Deal
Sun, Apr 6 - Tue, Apr 8
9:05 pm - 3:30 pmPHL-ICN
29h 25m2 stops
5:25 pm - 7:34 amICN-PHL
27h 09m2 stops
$1,155American Airlines
Find Deal
Tue, Apr 15 - Sun, Apr 27
9:17 pm - 3:30 pmPHL-ICN
29h 13m2 stops
5:25 pm - 7:34 amICN-PHL
27h 09m2 stops
$1,162American Airlines
Find Deal
Sat, Apr 12 - Sun, Apr 20
6:06 pm - 3:00 pmPHL-ICN
31h 54m2 stops
4:50 pm - 2:22 pmICN-PHL
34h 32m3 stops
$1,209United Airlines
Find Deal
Mon, Aug 11 - Mon, Aug 25
8:00 am - 4:40 amPHL-ICN
31h 40m2 stops
11:45 am - 9:20 pmICN-PHL
22h 35m2 stops
$1,230United Airlines
Find Deal
Thu, Mar 20 - Thu, Mar 27
6:00 am - 5:25 pmPHL-ICN
22h 25m1 stop
9:30 am - 5:17 pmICN-PHL
20h 47m1 stop
$1,524Korean Air
Find Deal
Sun, May 18 - Mon, Jun 2

Air Canada flights from Philadelphia to Incheon Intl Airport

Our best Air Canada deals on Philadelphia to Incheon Intl Airport flight tickets
Air Canada
May 5
PHL3:20 pmPhiladelphia
35h 45m
2 stops
ICN4:05 pmIncheon Intl
May 19
ICN5:45 pmIncheon Intl
33h 51m
2 stops
PHL2:36 pmPhiladelphia
Air Canada
Apr 23
PHL3:30 pmPhiladelphia
35h 35m
2 stops
ICN4:05 pmIncheon Intl
May 28
ICN7:05 pmIncheon Intl
28h 10m
1 stop
PHL10:15 amPhiladelphia
Air Canada
Sep 1
PHL9:15 amPhiladelphia
41h 50m
2 stops
ICN4:05 pmIncheon Intl
Sep 15
ICN5:45 pmIncheon Intl
41h 42m
2 stops
PHL10:27 pmPhiladelphia

Delta flights from Philadelphia to Incheon Intl Airport

Our best Delta deals on Philadelphia to Incheon Intl Airport flight tickets
Delta
Apr 6
PHL9:39 amPhiladelphia
17h 46m
1 stop
ICN4:25 pmIncheon Intl
Apr 8
ICN4:25 pmIncheon Intl
21h 23m
1 stop
PHL12:48 amPhiladelphia
Delta
Apr 6
PHL5:30 amPhiladelphia
19h 40m
1 stop
ICN2:10 pmIncheon Intl
Apr 8
ICN7:20 pmIncheon Intl
26h 33m
2 stops
PHL8:53 amPhiladelphia
Delta
Sep 6
PHL7:20 pmPhiladelphia
29h 50m
1 stop
ICN2:10 pmIncheon Intl
Sep 26
ICN10:15 amIncheon Intl
25h 46m
1 stop
PHL11:01 pmPhiladelphia

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 cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Philadelphia is in March. Flight prices, which tend to average around $914, 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 March, then departing from Philadelphia during the month October is also very affordable. Most momondo users find prices during this month for around $988.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,147 when searching 4 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 $987 on momondo.

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

As of March 2025, prices for Philadelphia to Incheon Intl Airport flights are approximately 13% 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

Best Price Found

$479

Fastest flight time

17h 30m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Philadelphia in the past 72 hours is $479. The best round-trip flight deal from Philadelphia to Incheon Intl Airport found on momondo in the last 72 hours is $1,029.
The fastest flight from Philadelphia to Incheon Intl Airport takes 17h 30m
There are no direct flights from Philadelphia to Incheon Intl Airport. Popular non-direct route for this connection is Philadelphia Airport - 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 30m.

  • 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 $795Free CancellationRating
7.0
8,870 reviews
Search Air Canada flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
8,631 reviews
Search United Airlines flights
DeltaPriceFrom $885Free CancellationRating
8.0
7,973 reviews
Search Delta flights
American AirlinesPriceFrom $961Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,076Free CancellationRating
8.4
1,042 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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Seongnam
Daejeon
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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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