What airlines fly to Seoul?

AIR PREMIA, Asiana Airlines 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 61% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 10 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

Flights via Montreal (YUL) offer the lowest average round-trip price of $899.

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

American Airlines and Alaska Airlines are the most popular carriers operating from Philadelphia to Seoul

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

Toronto (YYZ) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

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

Montreal (YUL) has the shortest average layover time for this route: 1h 11m.

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

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 17h 20m.

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 6 as of October 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.

$454 Cheap Flights from Philadelphia to Seoul in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

7:02 am - 5:35 pmPHL Philadelphia-ICN Incheon Intl

21h 33m1 stop Seattle/Tacoma Intl

8:00 pm - 5:32 amICN Incheon Intl-PHL Philadelphia

23h 32m1 stop Seattle/Tacoma Intl

$1,098Alaska Airlines

Sat, Oct 31 - Mon, Nov 9

6:00 am - 5:10 amPHL Philadelphia-ICN Incheon Intl

33h 10m2 stops Dallas/Fort Worth Los Angeles

10:20 pm - 2:13 pmICN Incheon Intl-PHL Philadelphia

29h 53m2 stops Los Angeles Dallas/Fort Worth

$1,156Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

9:20 am - 5:40 amPHL Philadelphia-ICN Incheon Intl

30h 20m1 stop San Francisco

12:45 pm - 5:38 pmICN Incheon Intl-PHL Philadelphia

18h 53m1 stop San Francisco

$1,168United Airlines

Wed, Dec 2 - Wed, Dec 9

9:00 am - 5:40 amPHL Philadelphia-ICN Incheon Intl

30h 40m1 stop San Francisco

6:00 pm - 7:45 amICN Incheon Intl-PHL Philadelphia

27h 45m1 stop San Francisco

$1,168United Airlines

Thu, Jan 21 - Mon, Feb 22

9:15 am - 6:25 pmPHL Philadelphia-ICN Incheon Intl

19h 10m1 stop Toronto Pearson Intl

8:10 pm - 10:46 pmICN Incheon Intl-PHL Philadelphia

40h 36m1 stop Toronto Pearson Intl

$1,178Air Canada

Sun, Nov 1 - Mon, Nov 9

9:40 am - 5:25 pmPHL Philadelphia-ICN Incheon Intl

18h 45m1 stop Boston Logan Intl

9:30 am - 5:19 pmICN Incheon Intl-PHL Philadelphia

20h 49m1 stop Boston Logan Intl

$1,185Korean Air

Fri, Apr 9 - Fri, Apr 23

8:00 am - 6:20 pmPHL Philadelphia-ICN Incheon Intl

20h 20m1 stop Atlanta Hartsfield-Jackson

9:10 am - 3:33 pmICN Incheon Intl-PHL Philadelphia

20h 23m1 stop Boston Logan Intl

$1,197Korean Air

Sat, Nov 28 - Sat, Dec 5

6:00 am - 4:50 pmPHL Philadelphia-ICN Incheon Intl

20h 50m1 stop Detroit Metropolitan Wayne County

7:25 pm - 9:27 amICN Incheon Intl-PHL Philadelphia

27h 02m1 stop Atlanta Hartsfield-Jackson

$1,218Delta

Sat, Mar 6 - Sat, Mar 20

9:42 am - 4:50 pmPHL Philadelphia-ICN Incheon Intl

18h 08m1 stop Detroit Metropolitan Wayne County

7:25 pm - 12:51 amICN Incheon Intl-PHL Philadelphia

18h 26m1 stop Atlanta Hartsfield-Jackson

$1,218Delta

Sun, Mar 14 - Sat, Mar 20

3:20 pm - 5:10 pmPHL Philadelphia-ICN Incheon Intl

35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

7:05 pm - 3:49 pmICN Incheon Intl-PHL Philadelphia

33h 44m1 stop Toronto Pearson Intl

$1,237Air Canada

Sun, Feb 14 - Thu, Jun 17

Cheap last minute flights

Enter your travel dates to find the best prices.

6:41 pm - 11:00 amPHL Philadelphia-ICN Incheon Intl

27h 19m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

7:45 pm - 5:38 pmICN Incheon Intl-PHL Philadelphia

34h 53m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,371Multiple Airlines

Tue, Oct 20 - Thu, Oct 22

5:50 am - 10:45 pmPHL Philadelphia-ICN Incheon Intl

27h 55m3 stops Denver Intl Los Angeles Tokyo Narita

12:40 pm - 1:16 amICN Incheon Intl-PHL Philadelphia

25h 36m2 stops Los Angeles Denver Intl

$1,597Multiple Airlines

Tue, Oct 20 - Thu, Oct 22

6:10 am - 4:25 pmPHL Philadelphia-ICN Incheon Intl

21h 15m1 stop Detroit Metropolitan Wayne County

4:25 pm - 12:56 amICN Incheon Intl-PHL Philadelphia

21h 31m1 stop Atlanta Hartsfield-Jackson

$1,712Delta

Tue, Oct 20 - Thu, Oct 22

7:00 am - 4:50 pmPHL Philadelphia-ICN Incheon Intl

20h 50m1 stop Seattle/Tacoma Intl

7:20 pm - 6:05 amICN Incheon Intl-PHL Philadelphia

23h 45m2 stops Seattle/Tacoma Intl Salt Lake City

$1,717Delta

Tue, Oct 20 - Thu, Oct 22

9:21 am - 9:15 pmPHL Philadelphia-GMP Seoul Gimpo Intl

22h 54m2 stops Chicago O'Hare Intl Tokyo Haneda

12:05 pm - 11:32 pmGMP Seoul Gimpo Intl-PHL Philadelphia

24h 27m2 stops Tokyo Haneda Los Angeles

$1,769Multiple Airlines

Tue, Oct 20 - Thu, Oct 22

2:45 pm - 11:00 amPHL Philadelphia-ICN Incheon Intl

31h 15m3 stops Orlando Dallas/Fort Worth Taipei City Taiwan Taoyuan Intl

5:45 pm - 7:18 amICN Incheon Intl-PHL Philadelphia

26h 33m3 stops Vancouver Intl San Francisco Las Vegas Harry Reid Intl

$1,976Multiple Airlines

Tue, Oct 20 - Thu, Oct 22

4:33 pm - 12:00 pmPHL Philadelphia-ICN Incheon Intl

30h 27m2 stops San Francisco Manila Ninoy Aquino Intl

7:30 am - 8:06 amICN Incheon Intl-PHL Philadelphia

38h 36m2 stops Manila Ninoy Aquino Intl Los Angeles

$5,833Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

3:57 pm - 12:00 pmPHL Philadelphia-ICN Incheon Intl

31h 03m2 stops Los Angeles Manila Ninoy Aquino Intl

7:30 am - 8:06 amICN Incheon Intl-PHL Philadelphia

38h 36m2 stops Manila Ninoy Aquino Intl Los Angeles

$5,833Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

6:00 am - 3:00 pmPHL Philadelphia-ICN Incheon Intl

20h 00m1 stop San Francisco

12:45 pm - 11:39 pmICN Incheon Intl-PHL Philadelphia

24h 54m2 stops San Francisco Denver Intl

$8,996Asiana Airlines

Fri, Oct 23 - Tue, Nov 3

1:05 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

26h 15m2 stops Houston George Bush Intcntl San Francisco

12:45 pm - 7:31 pmICN Incheon Intl-PHL Philadelphia

20h 46m2 stops San Francisco Denver Intl

$8,996Asiana Airlines

Fri, Oct 23 - Tue, Nov 3

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Qatar Airways flights from Philadelphia to Seoul

Our best Qatar Airways deals on Philadelphia to Seoul flight tickets

Qatar Airways

Apr 8

PHL9:30 pmPhiladelphia

30h 35m

1 stop

ICN5:05 pmIncheon Intl

Apr 11

ICN1:20 amIncheon Intl

26h 45m

1 stop

PHL3:05 pmPhiladelphia

$1,294

Qatar Airways

Jan 5

PHL8:45 pmPhiladelphia

30h 30m

1 stop

ICN5:15 pmIncheon Intl

Jan 18

ICN12:20 amIncheon Intl

28h 30m

1 stop

PHL2:50 pmPhiladelphia

$1,348

Qatar Airways

Nov 14

PHL8:45 pmPhiladelphia

30h 30m

1 stop

ICN5:15 pmIncheon Intl

Nov 18

ICN12:20 amIncheon Intl

28h 30m

1 stop

PHL2:50 pmPhiladelphia

$1,351

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

United Airlines

Jan 3

PHL6:10 pmPhiladelphia

21h 30m

1 stop

ICN5:40 amIncheon Intl

Jan 23

ICN12:45 pmIncheon Intl

18h 23m

1 stop

PHL5:08 pmPhiladelphia

$1,158

United Airlines

Jan 5

PHL1:19 pmPhiladelphia

26h 21m

2 stops

ICN5:40 amIncheon Intl

Jan 23

ICN12:45 pmIncheon Intl

22h 55m

2 stops

PHL9:40 pmPhiladelphia

$1,163

United Airlines

Feb 20

PHL9:30 amPhiladelphia

30h 10m

2 stops

ICN5:40 amIncheon Intl

Feb 28

ICN12:45 pmIncheon Intl

18h 13m

1 stop

PHL4:58 pmPhiladelphia

$1,168

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sat 10/31

7:02 am-5:35 pm

1 stop21h 33m

Incheon Intl

Mon 11/9

8:00 pm-5:32 am

1 stop23h 32m

$1,098

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Wed 11/4

6:00 am-5:10 am

2 stops33h 10m

Incheon Intl

Wed 11/11

10:20 pm-2:13 pm

2 stops29h 53m

$1,156

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Wed 12/2

9:20 am-5:40 am

1 stop30h 20m

Incheon Intl

Wed 12/9

12:45 pm-5:38 pm

1 stop18h 53m

$1,168

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Thu 1/21

9:00 am-5:40 am

1 stop30h 40m

Incheon Intl

Mon 2/22

6:00 pm-7:45 am

1 stop27h 45m

$1,168

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 11/1

9:15 am-6:25 pm

1 stop19h 10m

Incheon Intl

Mon 11/9

8:10 pm-10:46 pm

1 stop40h 36m

$1,178

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Fri 4/9

9:40 am-5:25 pm

1 stop18h 45m

Incheon Intl

Fri 4/23

9:30 am-5:19 pm

1 stop20h 49m

$1,185

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sat 11/28

8:00 am-6:20 pm

1 stop20h 20m

Incheon Intl

Sat 12/5

9:10 am-3:33 pm

1 stop20h 23m

$1,197

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sat 3/6

6:00 am-4:50 pm

1 stop20h 50m

Incheon Intl

Sat 3/20

7:25 pm-9:27 am

1 stop27h 02m

$1,218

Quickest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 3/14

9:42 am-4:50 pm

1 stop18h 08m

Incheon Intl

Sat 3/20

7:25 pm-12:51 am

1 stop18h 26m

$1,218

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 2/14

3:20 pm-5:10 pm

2 stops35h 50m

Incheon Intl

Thu 6/17

7:05 pm-3:49 pm

1 stop33h 44m

$1,237

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $867 to $1,196.
The lowest price recently found on this route was $1,098.

What is the cheapest month to fly to Seoul?

The month of November is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $928.

How far in advance should I book a flight from Philadelphia 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 $1,169 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 $952 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 21% on your flight if you consider stops on a Philadelphia to Seoul flight.

How have Philadelphia to Seoul flight prices changed over time?

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

Best Price Found	$454
Fastest flight time	18h 02m
Direct flights	None

The best one-way flight to Seoul from Philadelphia in the past 72 hours is $454. The best round-trip flight deal from Philadelphia to Seoul found on momondo in the last 72 hours is $1,098.

The fastest flight from Philadelphia to Seoul takes 18h 02m

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

Search flight deals

Frequently asked questions about flying from Philadelphia to Seoul

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 18h 02m.
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 6 as of October 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 (49% of total bookings). The next most popular airlines are Air Canada (26%), United Airlines (15%), and American Airlines (10%).

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
American Airlines	PriceFrom $738	Free Cancellation	Rating 7.0 12,173 reviews	Search American Airlines flights
Air Canada	PriceFrom $808	Free Cancellation	Rating 7.1 11,782 reviews	Search Air Canada flights
United Airlines	PriceFrom $850	Free Cancellation	Rating 7.3 10,389 reviews	Search United Airlines flights
Delta	PriceFrom $865	Free Cancellation	Rating 7.8 8,653 reviews	Search Delta flights
Asiana Airlines	PriceFrom $915	Free Cancellation	Rating 8.1 567 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,129	Free Cancellation	Rating 8.4 1,218 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 $454

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 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Philadelphia to Seoul

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Qatar Airways flights from Philadelphia to Seoul

Our best Qatar Airways deals on Philadelphia to Seoul flight tickets

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.

See travel insights to Seoul from

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?

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

Can stopping save me money on Philadelphia to Seoul flights?

How have Philadelphia to Seoul flight prices changed over time?

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

What airlines fly to Seoul?

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

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

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

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

When to book flights from Philadelphia to Seoul

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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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Explore popular destinations other users love

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