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Cheap flights from Philadelphia to Seoul from $434

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 9/7. 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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0 bags

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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.
 Logo
7:10 am - 8:30 pmPHL-ICN
24h 20m2 stops
 Logo
10:05 pm - 6:30 amICN-PHL
21h 25m1 stop
Wed, May 28 - Wed, Jun 4
 Logo
4:10 pm - 8:30 pmPHL-ICN
39h 20m2 stops
 Logo
12:45 pm - 8:25 pmICN-PHL
20h 40m1 stop
Fri, May 16 - Sat, May 24
 Logo
6:54 pm - 8:30 pmPHL-ICN
36h 36m2 stops
 Logo
12:45 pm - 8:25 pmICN-PHL
20h 40m1 stop
Tue, May 20 - Sat, Jun 7
Air Canada Logo
3:25 pm - 4:15 pmPHL-ICN
35h 50m1 stop
Air Canada Logo
6:00 pm - 2:38 pmICN-PHL
33h 38m1 stop
$1,003Air Canada
Find Deal
Mon, Sep 8 - Wed, Sep 24
Air Canada Logo
9:45 am - 4:15 pmPHL-ICN
17h 30m1 stop
Air Canada Logo
5:50 pm - 9:51 amICN-PHL
29h 01m2 stops
$1,010Air Canada
Find Deal
Tue, Sep 16 - Tue, Oct 28
Delta Logo
6:15 pm - 4:00 amPHL-ICN
20h 45m1 stop
Delta Logo
6:50 pm - 12:27 amICN-PHL
18h 37m1 stop
$1,132Delta
Find Deal
Wed, Aug 20 - Tue, Aug 26
Delta Logo
1:00 pm - 4:00 amPHL-ICN
26h 00m2 stops
Delta Logo
7:20 pm - 5:46 amICN-PHL
23h 26m2 stops
$1,136Delta
Find Deal
Thu, Sep 25 - Mon, Oct 13
United Airlines Logo
10:10 am - 4:20 amPHL-ICN
29h 10m2 stops
United Airlines Logo
11:30 am - 12:30 amICN-PHL
26h 00m3 stops
$1,247United Airlines
Find Deal
Tue, Jul 8 - Mon, Jul 14
United Airlines Logo
6:04 pm - 3:00 pmPHL-ICN
31h 56m2 stops
United Airlines Logo
11:30 am - 12:45 amICN-PHL
26h 15m3 stops
$1,251United Airlines
Find Deal
Mon, May 19 - Thu, Jun 12
Korean Air Logo
6:00 am - 5:25 pmPHL-ICN
22h 25m1 stop
Korean Air Logo
9:30 am - 4:49 pmICN-PHL
20h 19m1 stop
$1,355Korean Air
Find Deal
Tue, May 20 - Tue, Jun 10

Air Canada flights from Philadelphia to Incheon Intl Airport

Our best Air Canada deals on Philadelphia to Incheon Intl Airport flight tickets
Air Canada
Sep 8
PHL3:25 pmPhiladelphia
35h 50m
1 stop
ICN4:15 pmIncheon Intl
Sep 24
ICN6:00 pmIncheon Intl
33h 38m
1 stop
PHL2:38 pmPhiladelphia
Air Canada
Sep 16
PHL9:45 amPhiladelphia
17h 30m
1 stop
ICN4:15 pmIncheon Intl
Oct 28
ICN5:50 pmIncheon Intl
29h 01m
2 stops
PHL9:51 amPhiladelphia
Air Canada
Sep 8
PHL4:50 pmPhiladelphia
34h 25m
2 stops
ICN4:15 pmIncheon Intl
Sep 24
ICN6:00 pmIncheon Intl
28h 50m
2 stops
PHL9:50 amPhiladelphia

Delta flights from Philadelphia to Incheon Intl Airport

Our best Delta deals on Philadelphia to Incheon Intl Airport flight tickets
Delta
Aug 20
PHL6:15 pmPhiladelphia
20h 45m
1 stop
ICN4:00 amIncheon Intl
Aug 26
ICN6:50 pmIncheon Intl
18h 37m
1 stop
PHL12:27 amPhiladelphia
Delta
Sep 25
PHL1:00 pmPhiladelphia
26h 00m
2 stops
ICN4:00 amIncheon Intl
Oct 13
ICN7:20 pmIncheon Intl
23h 26m
2 stops
PHL5:46 amPhiladelphia
Delta
Jul 8
PHL4:05 pmPhiladelphia
22h 55m
1 stop
ICN4:00 amIncheon Intl
Jul 14
ICN7:40 pmIncheon Intl
23h 15m
1 stop
PHL5:55 amPhiladelphia

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 April. Flight prices, which tend to average around $870, 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 April, then departing from Philadelphia during the month March is also very affordable. Most momondo users find prices during this month for around $874.

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 $1,133 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 $935 on momondo.

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

As of May 2025, prices for Philadelphia to Incheon Intl Airport flights are approximately 3% more expensive 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

$434

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 $434. The best round-trip flight deal from Philadelphia to Incheon Intl Airport found on momondo in the last 72 hours is $951.
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
United AirlinesPriceFrom $560Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
Air CanadaPriceFrom $795Free CancellationRating
7.0
9,252 reviews
Search Air Canada flights
DeltaPriceFrom $875Free CancellationRating
8.0
7,934 reviews
Search Delta flights
American AirlinesPriceFrom $903Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,076Free CancellationRating
8.4
1,068 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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