S$611 Cheap Flights from Seoul to Philadelphia

View S$611 flight on Mon, 18 Aug, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Seoul to Philadelphia (ICN-PHL)

Prices were available within the past 7 days and start at S$611 for one-way flights and S$923 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$923 Return, found 3 days ago
S$923
Return
found 3 days ago
Select Delta flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$923 found 3 days ago
Delta
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$935 Return, found 3 days ago
S$935
Return
found 3 days ago
Select Delta flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$935 found 3 days ago
United
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$948 Return, found 3 days ago
S$948
Return
found 3 days ago
Select United flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$948 found 3 days ago
Asiana Airlines
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$1,020 Return, found 3 days ago
S$1,020
Return
found 3 days ago
Select Asiana Airlines flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$1,020 found 3 days ago
Korean Air
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$1,029 Return, found 3 days ago
S$1,029
Return
found 3 days ago
Select Korean Air flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$1,029 found 3 days ago
Korean Air
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$1,042 Return, found 3 days ago
S$1,042
Return
found 3 days ago
Select Korean Air flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$1,042 found 3 days ago
United
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$1,127 Return, found 3 days ago
S$1,127
Return
found 3 days ago
Select United flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$1,127 found 3 days ago
Asiana Airlines
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$1,161 Return, found 3 days ago
S$1,161
Return
found 3 days ago
Select Asiana Airlines flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$1,161 found 3 days ago
Delta
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$1,161 Return, found 3 days ago
S$1,161
Return
found 3 days ago
Select Delta flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$1,161 found 3 days ago
Qatar Airways
Fri, 4 Jul - Thu, 17 Jul
ICN
Seoul
PHL
Philadelphia
S$2,888 Return, found 3 days ago
S$2,888
Return
found 3 days ago
Select Qatar Airways flight, departing Fri, 4 Jul from Seoul to Philadelphia, returning Thu, 17 Jul, priced at S$2,888 found 3 days ago

Find the cheapest month to fly from Seoul (ICN) to Philadelphia (PHL)

November is typically the cheapest month to fly

From S$794 - S$1,389 per traveller.

Graph displaying average flight prices per month

Seoul to Philadelphia route information
Origin airport
Incheon Intl.
Destination airport
Philadelphia Intl.
Return price
S$922
Distance
11070 km

Flights from Incheon to Philadelphia

There are several airlines that operate frequent flights from Seoul (ICN) to Philadelphia (PHL) including

The earliest flight leaves Incheon Intl. Airport at 09:20 and arrives at Philadelphia Intl. Airport at 00:15. The last flight of the day departs Seoul at 20:40 and arrives at Philadelphia at 23:52.

The flight distance from Seoul to Philadelphia is about 12640 km, the shortest flight is 16 hours 24 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Philadelphia flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Incheon Philadelphia flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Incheon to Philadelphia trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Philadelphia flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Incheon to Philadelphia with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Seoul--Incheon Intl. Airport to PHL?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from ICN to PHL was S$923. Great fares don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul--Incheon Intl. Airport to PHL?
Most flights can be cancelled online, but whether or not you incur a fee varies between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Incheon Airport to PHL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Incheon Airport to Philadelphia Intl. Airport (PHL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seoul--Incheon Intl. Airport to Philadelphia Airport?
South Korea to Philadelphia is around 11,100 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Take a few snacks to nibble on throughout your flight too.
Which airlines fly direct from Seoul--Incheon Intl. Airport to Philadelphia Intl. Airport (PHL)?
If you want to fly straight from Incheon Intl. Airport (ICN) to PHL, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are Incheon Intl. Airport (ICN) to PHL flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it's no sure thing. While last-minute deals between Seoul--Incheon Intl. Airport and Philadelphia Intl. Airport (PHL) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines release their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to secure your seat when fare prices drop.

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