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

United Airlines, Delta, and American Airlines are the most popular carriers operating from Philadelphia to Seoul

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

Dallas (DFW) has the shortest average layover time for this route: 1h 50m.

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

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 17h 54m.

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

Flights via Toronto (YYZ) offer the lowest average round-trip price of $944.

What airlines fly to Seoul?

AIR PREMIA, Air Canada and Korean Air are the top three most popular airlines that fly to Seoul from Philadelphia according to our data. AIR PREMIA is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 14 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

Toronto (YYZ) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Philadelphia Airport to Seoul refresh daily.

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

The number of operators available for flights from Philadelphia Airport to Seoul is 5 as of February 2026.

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

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 Seoul.

What documentation or ID do you need to fly to Seoul?

The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$434 Cheap Flights from Philadelphia to Seoul in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Seoul?

Prices are currently low for flights on this route. Typical prices usually range from $845 to $1,126. The lowest price recently found on this route was $740.

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Find the cheapest flights from Philadelphia to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 am - 6:35 pm

PHL

ICN

22h 10m

1 stop

7:05 pm - 10:43 pm

ICN

PHL

16h 38m

1 stop

$740Multiple Airlines

Wed, Apr 15 - Tue, May 19

7:25 am - 6:35 pm

PHL

ICN

22h 10m

1 stop

7:05 pm - 3:38 pm

ICN

PHL

33h 33m

1 stop

$840Multiple Airlines

Thu, Apr 16 - Wed, May 20

5:40 am - 3:50 pm

PHL

ICN

21h 10m

1 stop

7:25 pm - 12:57 am

ICN

PHL

18h 32m

1 stop

$869Delta

Tue, Mar 10 - Tue, Mar 17

12:26 pm - 4:00 am

PHL

ICN

26h 34m

2 stops

7:20 pm - 5:35 am

ICN

PHL

23h 15m

1 stop

$873Delta

Sun, Apr 5 - Tue, Apr 14

6:50 pm - 4:20 pm

PHL

ICN

31h 30m

1 stop

7:25 pm - 12:57 am

ICN

PHL

18h 32m

1 stop

$874Delta

Wed, Feb 25 - Tue, Mar 10

8:29 pm - 4:50 pm

PHL

ICN

31h 21m

1 stop

7:20 pm - 5:41 am

ICN

PHL

23h 21m

1 stop

$875Delta

Sun, Mar 8 - Thu, Apr 9

4:00 pm - 4:45 pm

PHL

ICN

34h 45m

1 stop

7:15 pm - 12:54 am

ICN

PHL

19h 39m

1 stop

$876American Airlines

Mon, Feb 23 - Thu, Mar 5

6:20 pm - 4:40 am

PHL

ICN

21h 20m

1 stop

11:45 am - 7:15 am

ICN

PHL

32h 30m

1 stop

$877United Airlines

Sat, Mar 14 - Mon, Mar 23

9:02 am - 9:15 pm

PHL

GMP

23h 13m

2 stops

12:05 pm - 2:48 pm

GMP

PHL

39h 43m

2 stops

$1,269Japan Airlines

Wed, Apr 15 - Tue, May 19

10:05 pm - 9:15 pm

PHL

GMP

34h 10m

2 stops

7:15 pm - 2:48 pm

GMP

PHL

32h 33m

2 stops

$1,276Japan Airlines

Sun, Apr 19 - Tue, May 19

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

United Airlines

Feb 9

PHL8:35 amPhiladelphia

31h 05m

1 stop

ICN5:40 amIncheon Intl

Feb 16

ICN12:45 pmIncheon Intl

22h 48m

1 stop

PHL9:33 pmPhiladelphia

$869

United Airlines

Feb 9

PHL1:10 pmPhiladelphia

26h 30m

2 stops

ICN5:40 amIncheon Intl

Feb 14

ICN12:45 pmIncheon Intl

22h 48m

1 stop

PHL9:33 pmPhiladelphia

$874

United Airlines

Mar 14

PHL6:20 pmPhiladelphia

21h 20m

1 stop

ICN4:40 amIncheon Intl

Mar 23

ICN11:45 amIncheon Intl

32h 30m

1 stop

PHL7:15 amPhiladelphia

$877

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

Delta

Mar 9

PHL6:00 amPhiladelphia

20h 30m

1 stop

ICN3:30 pmIncheon Intl

Mar 20

ICN7:25 pmIncheon Intl

18h 32m

1 stop

PHL12:57 amPhiladelphia

$869

Delta

Apr 5

PHL12:26 pmPhiladelphia

26h 34m

2 stops

ICN4:00 amIncheon Intl

Apr 14

ICN7:20 pmIncheon Intl

23h 15m

1 stop

PHL5:35 amPhiladelphia

$873

Delta

Feb 25

PHL6:50 pmPhiladelphia

31h 30m

1 stop

ICN4:20 pmIncheon Intl

Mar 10

ICN7:25 pmIncheon Intl

18h 32m

1 stop

PHL12:57 amPhiladelphia

$874

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 4/15

7:25 am-6:35 pm

1 stop22h 10m

Incheon Intl

Tue 5/19

7:05 pm-10:43 pm

1 stop16h 38m

$740

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 4/16

7:25 am-6:35 pm

1 stop22h 10m

Incheon Intl

Wed 5/20

7:05 pm-3:38 pm

1 stop33h 33m

$840

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 3/10

5:40 am-3:50 pm

1 stop21h 10m

Incheon Intl

Tue 3/17

7:25 pm-12:57 am

1 stop18h 32m

$869

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 4/5

12:26 pm-4:00 am

2 stops26h 34m

Incheon Intl

Tue 4/14

7:20 pm-5:35 am

1 stop23h 15m

$873

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 2/25

6:50 pm-4:20 pm

1 stop31h 30m

Incheon Intl

Tue 3/10

7:25 pm-12:57 am

1 stop18h 32m

$874

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 3/8

8:29 pm-4:50 pm

1 stop31h 21m

Incheon Intl

Thu 4/9

7:20 pm-5:41 am

1 stop23h 21m

$875

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/23

4:00 pm-4:45 pm

1 stop34h 45m

Incheon Intl

Thu 3/5

7:15 pm-12:54 am

1 stop19h 39m

$876

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 3/14

6:20 pm-4:40 am

1 stop21h 20m

Incheon Intl

Mon 3/23

11:45 am-7:15 am

1 stop32h 30m

$877

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 4/15

9:02 am-9:15 pm

2 stops23h 13m

Seoul Gimpo Intl

Tue 5/19

12:05 pm-2:48 pm

2 stops39h 43m

$1,269

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Sun 4/19

10:05 pm-9:15 pm

2 stops34h 10m

Seoul Gimpo Intl

Tue 5/19

7:15 pm-2:48 pm

2 stops32h 33m

$1,276

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 Philadelphia to Seoul

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

What is the typical price of a round-trip flight between Philadelphia and Seoul?

What is the cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $915.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,077 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Philadelphia for as low as $908 on momondo.

How have Philadelphia to Seoul flight prices changed over time?

As of February 2026, prices for Philadelphia to Seoul flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Seoul

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

Estimated round-trip price

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

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

Fastest flight time	17h 43m
Direct flights	None

The fastest flight from Philadelphia to Seoul takes 17h 43m

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

Search flight deals

How far is Philadelphia to Seoul by plane?
Philadelphia and Seoul are 6895.9 mi apart from one another. In terms of flight time, this usually takes a little over 17h 43m.
When did momondo last update prices for flights from Philadelphia Airport to Seoul?
Prices for flights from Philadelphia Airport to Seoul refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Seoul?
The number of operators available for flights from Philadelphia Airport to Seoul is 5 as of February 2026.
How old do you have to be to fly from Philadelphia Airport to Seoul?
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 Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Philadelphia to Seoul?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Seoul is Delta (39% of total bookings). The next most popular airlines are Air Canada (34%), American Airlines (11%), and United Airlines (11%).

Best airlines flying from Philadelphia to Seoul

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Air Canada	PriceFrom $775	Free Cancellation	Rating 7.1 10,688 reviews	Search Air Canada flights
Delta	PriceFrom $845	Free Cancellation	Rating 7.9 8,146 reviews	Search Delta flights
American Airlines	PriceFrom $845	Free Cancellation	Rating 7.2 11,223 reviews	Search American Airlines flights
Korean Air	PriceFrom $1,076	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Seoul from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Seoul.

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.

An easier way to manage your Seoul trip

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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 2/10. 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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United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

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How to get the cheapest flight ticket from Philadelphia to Seoul

What is the typical price of a round-trip flight between Philadelphia and Seoul?

What is the cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $915.

How far in advance should I book a flight to Seoul?

How have Philadelphia to Seoul flight prices changed over time?

As of February 2026, prices for Philadelphia to Seoul flights are approximately 17% cheaper when compared to flights at the same time last year.

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

United Airlines, Delta, and American Airlines are the most popular carriers operating from Philadelphia to Seoul

What airlines fly to Seoul?

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

Toronto (YYZ) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Toronto (YYZ) offer the lowest average round-trip price of $944.

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

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 17h 54m.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 50m.

When to book flights from Philadelphia to Seoul

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

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

Fastest flight time

Direct flights

How far is Philadelphia to Seoul by plane?

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

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

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

What documentation or ID do you need to fly to Seoul?

What is the most popular airline from Philadelphia to Seoul?

Best airlines flying from Philadelphia to Seoul

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

Why use momondo?

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

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

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

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

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Philadelphia

According to popular flight searches on momondo this year

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