What is the cheapest airline that flies from Seoul to Philadelphia?

Delta, Alaska Airlines, and Korean Air are the most popular carriers operating from Seoul to Philadelphia

Which layover airport has the shortest connection time from Seoul to Philadelphia?

Dallas (DFW) has the shortest average layover time for this route: 1h 07m.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Seoul, such as Incheon or Seoul, and flying into Philadelphia, then you can expect flight times to average 14h and 16h 05m, respectively.

What airlines fly to Philadelphia?

Asiana Airlines, AIR PREMIA and Delta are the top three most popular airlines that fly to Philadelphia from Seoul according to our data. Asiana Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 6 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seoul to Philadelphia?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 16h 23m.

Which airport is the most popular layover for flights between Seoul and Philadelphia?

Dallas (DFW) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seoul to Philadelphia?

Flights via Dallas (DFW) offer the lowest average round-trip price of $700.

When did momondo last update prices for flights from Seoul to Philadelphia Airport?

Prices for flights from Seoul to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from Seoul to Philadelphia Airport?

As of March 2026, there is 1 operator available to choose from for flights from Seoul to Philadelphia Airport.

How old do you have to be to fly from Seoul to Philadelphia Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$418 Cheap Flights from Seoul to Philadelphia in 2026

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Find the cheapest flights from Seoul to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 5:43 am

ICN

PHL

23h 43m

2 stops

7:59 pm - 5:20 pm

PHL

ICN

32h 21m

2 stops

$605Delta

Fri, Sep 11 - Mon, Oct 5

7:20 pm - 5:41 am

ICN

PHL

23h 21m

1 stop

6:05 pm - 3:20 pm

PHL

ICN

32h 15m

1 stop

$606Delta

Wed, Apr 1 - Sat, Apr 25

7:20 pm - 5:59 am

ICN

PHL

23h 39m

1 stop

7:15 am - 3:20 pm

PHL

ICN

19h 05m

1 stop

$611Delta

Mon, Apr 27 - Mon, May 4

7:40 pm - 11:40 pm

ICN

PHL

17h 00m

1 stop

7:05 am - 4:50 pm

PHL

ICN

20h 45m

1 stop

$655Delta

Sat, Sep 12 - Mon, Oct 5

7:20 pm - 5:41 am

ICN

PHL

23h 21m

1 stop

6:05 am - 5:20 pm

PHL

ICN

22h 15m

1 stop

$656Delta

Wed, Apr 1 - Fri, Apr 24

7:20 pm - 5:41 am

ICN

PHL

23h 21m

1 stop

6:00 am - 4:40 pm

PHL

ICN

21h 40m

2 stops

$673Delta

Wed, Apr 1 - Mon, Apr 20

7:35 pm - 6:02 am

ICN

PHL

23h 27m

1 stop

7:22 am - 5:30 pm

PHL

ICN

21h 08m

1 stop

$713Alaska Airlines

Fri, May 1 - Wed, May 6

8:45 am - 8:49 pm

ICN

PHL

25h 04m

1 stop

6:20 pm - 4:00 am

PHL

ICN

20h 40m

1 stop

$717Korean Air

Tue, May 12 - Wed, Jun 24

7:15 pm - 2:48 pm

GMP

PHL

32h 33m

2 stops

7:00 am - 9:15 pm

PHL

GMP

25h 15m

2 stops

$1,355Japan Airlines

Wed, May 13 - Wed, Jun 24

8:00 am - 4:38 pm

GMP

PHL

21h 38m

2 stops

7:36 am - 9:15 pm

PHL

GMP

24h 39m

2 stops

$1,533Japan Airlines

Tue, Jun 2 - Sat, Jun 6

Delta flights from Seoul to Philadelphia

Our best Delta deals on Seoul to Philadelphia flight tickets

Delta

Sep 11

ICN7:20 pmIncheon Intl

23h 23m

1 stop

PHL5:43 amPhiladelphia

Oct 5

PHL7:05 amPhiladelphia

20h 45m

1 stop

ICN4:50 pmIncheon Intl

$605

Delta

Apr 1

ICN7:20 pmIncheon Intl

23h 21m

1 stop

PHL5:41 amPhiladelphia

Apr 25

PHL6:05 pmPhiladelphia

32h 15m

1 stop

ICN3:20 pmIncheon Intl

$606

Delta

Apr 27

ICN7:20 pmIncheon Intl

23h 39m

1 stop

PHL5:59 amPhiladelphia

May 4

PHL6:05 amPhiladelphia

21h 45m

2 stops

ICN4:50 pmIncheon Intl

$611

Alaska Airlines flights from Seoul to Philadelphia

Our best Alaska Airlines deals on Seoul to Philadelphia flight tickets

Alaska Airlines

May 1

ICN7:35 pmIncheon Intl

23h 27m

1 stop

PHL6:02 amPhiladelphia

May 6

PHL7:22 amPhiladelphia

21h 08m

1 stop

ICN5:30 pmIncheon Intl

$713

Alaska Airlines

Apr 30

ICN7:35 pmIncheon Intl

23h 27m

1 stop

PHL6:02 amPhiladelphia

May 7

PHL7:22 amPhiladelphia

21h 08m

1 stop

ICN5:30 pmIncheon Intl

$771

Alaska Airlines

Apr 29

ICN7:35 pmIncheon Intl

23h 27m

1 stop

PHL6:02 amPhiladelphia

May 6

PHL7:22 amPhiladelphia

21h 08m

1 stop

ICN5:30 pmIncheon Intl

$815

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 9/11

7:00 pm-5:43 am

2 stops23h 43m

Philadelphia

Mon 10/5

7:59 pm-5:20 pm

2 stops32h 21m

$605

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 4/1

7:20 pm-5:41 am

1 stop23h 21m

Philadelphia

Sat 4/25

6:05 pm-3:20 pm

1 stop32h 15m

$606

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 4/27

7:20 pm-5:59 am

1 stop23h 39m

Philadelphia

Mon 5/4

7:15 am-3:20 pm

1 stop19h 05m

$611

Quickest round-trip

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sat 9/12

7:40 pm-11:40 pm

1 stop17h 00m

Philadelphia

Mon 10/5

7:05 am-4:50 pm

1 stop20h 45m

$655

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 4/1

7:20 pm-5:41 am

1 stop23h 21m

Philadelphia

Fri 4/24

6:05 am-5:20 pm

1 stop22h 15m

$656

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 4/1

7:20 pm-5:41 am

1 stop23h 21m

Philadelphia

Mon 4/20

6:00 am-4:40 pm

2 stops21h 40m

$673

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 5/1

7:35 pm-6:02 am

1 stop23h 27m

Philadelphia

Wed 5/6

7:22 am-5:30 pm

1 stop21h 08m

$713

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Tue 5/12

8:45 am-8:49 pm

1 stop25h 04m

Philadelphia

Wed 6/24

6:20 pm-4:00 am

1 stop20h 40m

$717

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 5/13

7:15 pm-2:48 pm

2 stops32h 33m

Philadelphia

Wed 6/24

7:00 am-9:15 pm

2 stops25h 15m

$1,355

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Tue 6/2

8:00 am-4:38 pm

2 stops21h 38m

Philadelphia

Sat 6/6

7:36 am-9:15 pm

2 stops24h 39m

$1,533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul to Philadelphia

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

Prices

Airlines

Layovers

Other information

Can stopping save me money on Seoul to Philadelphia flights?

You could potentially save up to 25% on your flight if you consider stops on a Seoul to Philadelphia flight.

How have Seoul to Philadelphia flight prices changed over time?

When to book flights from Seoul to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul to Philadelphia (SEL to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to Philadelphia

Fastest flight time	21h 37m
Direct flights	None

The fastest flight from Seoul to Philadelphia takes 21h 37m

There are no direct flights from Seoul to Philadelphia. There are no popular flight routes from Seoul to Philadelphia.

Search flight deals

How far is Seoul to Philadelphia by plane?
There are 6895.9 mi between Seoul and Philadelphia. Flights usually cover this in 21h 37m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seoul to Philadelphia Airport?
Prices for flights from Seoul to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Seoul to Philadelphia Airport?
As of March 2026, there is 1 operator available to choose from for flights from Seoul to Philadelphia Airport.
How old do you have to be to fly from Seoul to Philadelphia Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Seoul to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Seoul to Philadelphia is Delta, representing 100% of all bookings.

Best airlines flying from Seoul to Philadelphia

Compare and see reviews for airlines that fly from Seoul to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $626	Free Cancellation	Rating 7.9 8,288 reviews		Search Delta flights

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

North Wildwood

Dover

Lewes

Stone Harbor

Essington

New Castle

Vineland

Pottstown

Somers Point

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Philadelphia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to Philadelphia. momondo saves you time and could save you money on your trip.

Can I find flights from Seoul to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Seoul on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seoul to Philadelphia?

Once all potential Seoul to Philadelphia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seoul to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Seoul and alert you when they change.