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Cheap flights from Philadelphia to Seoul from $402

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 3/4. 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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Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:25 pm - 4:05 pm
PHL
-
ICN
34h 40m
2 stops
Air Canada Logo
5:45 pm - 2:46 pm
ICN
-
PHL
34h 01m
2 stops
$828Air Canada
Mon, Apr 13 - Wed, Apr 22
Air Canada Logo
4:25 pm - 5:30 pm
PHL
-
ICN
36h 05m
1 stop
Air Canada Logo
7:05 pm - 10:43 pm
ICN
-
PHL
16h 38m
1 stop
$833Air Canada
Sun, Apr 19 - Wed, Apr 29
Asiana Airlines Logo
3:30 pm - 4:05 pm
PHL
-
ICN
59h 35m
2 stops
Asiana Airlines Logo
5:45 pm - 2:46 pm
ICN
-
PHL
34h 01m
2 stops
$836Asiana Airlines
Sat, Apr 4 - Mon, Apr 20
Asiana Airlines Logo
3:30 pm - 4:05 pm
PHL
-
ICN
59h 35m
2 stops
Asiana Airlines Logo
7:05 pm - 10:43 pm
ICN
-
PHL
16h 38m
1 stop
$841Asiana Airlines
Sat, Apr 4 - Mon, Apr 20
Air Canada Logo
4:25 pm - 4:05 pm
PHL
-
ICN
34h 40m
2 stops
Air Canada Logo
5:45 pm - 2:46 pm
ICN
-
PHL
34h 01m
2 stops
$866Air Canada
Sun, Apr 19 - Sat, Apr 25
Air Canada Logo
4:25 pm - 5:30 pm
PHL
-
ICN
36h 05m
1 stop
Air Canada Logo
5:45 pm - 3:44 pm
ICN
-
PHL
34h 59m
2 stops
$868Air Canada
Mon, Apr 6 - Mon, Apr 13
Japan Airlines Logo
1:38 pm - 10:55 am
PHL
-
GMP
31h 17m
2 stops
Japan Airlines Logo
7:40 pm - 2:07 pm
GMP
-
PHL
31h 27m
2 stops
$1,216Japan Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
6:00 am - 10:25 pm
PHL
-
GMP
27h 25m
2 stops
Multiple Airlines Logo
5:40 pm - 3:39 pm
GMP
-
PHL
58h 59m
2 stops
$1,227Multiple Airlines
Tue, Jun 9 - Tue, Jun 23
Multiple Airlines Logo
9:02 am - 9:15 pm
PHL
-
GMP
23h 13m
2 stops
Multiple Airlines Logo
12:05 pm - 9:10 pm
GMP
-
PHL
22h 05m
2 stops
$1,254Multiple Airlines
Sun, Apr 19 - Tue, May 19
Japan Airlines Logo
7:05 am - 9:15 pm
PHL
-
GMP
25h 10m
2 stops
Japan Airlines Logo
7:15 pm - 2:48 pm
GMP
-
PHL
32h 33m
2 stops
$1,489Japan Airlines
Mon, Apr 13 - Wed, Apr 22

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets
United Airlines
May 5
PHL5:00 pmPhiladelphia
22h 20m
2 stops
ICN4:20 amIncheon Intl
May 19
ICN11:30 amIncheon Intl
23h 14m
2 stops
PHL9:44 pmPhiladelphia
$932
United Airlines
Mar 17
PHL6:20 pmPhiladelphia
21h 20m
1 stop
ICN4:40 amIncheon Intl
Apr 28
ICN11:30 amIncheon Intl
18h 45m
1 stop
PHL5:15 pmPhiladelphia
$945
United Airlines
Mar 17
PHL9:55 amPhiladelphia
29h 45m
2 stops
ICN4:40 amIncheon Intl
Apr 29
ICN4:50 pmIncheon Intl
30h 04m
2 stops
PHL9:54 amPhiladelphia
$949

Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Apr 13
PHL4:25 pmPhiladelphia
34h 40m
2 stops
ICN4:05 pmIncheon Intl
Apr 22
ICN5:45 pmIncheon Intl
34h 01m
2 stops
PHL2:46 pmPhiladelphia
$828
Air Canada
Apr 19
PHL4:25 pmPhiladelphia
36h 05m
1 stop
ICN5:30 pmIncheon Intl
Apr 29
ICN7:05 pmIncheon Intl
16h 38m
1 stop
PHL10:43 pmPhiladelphia
$833
Air Canada
Apr 19
PHL4:25 pmPhiladelphia
34h 40m
2 stops
ICN4:05 pmIncheon Intl
Apr 25
ICN5:45 pmIncheon Intl
34h 01m
2 stops
PHL2:46 pmPhiladelphia
$866

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 20, 2026.
Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 4/13

4:25 pm-4:05 pm

2 stops34h 40m

Incheon Intl

Wed 4/22

5:45 pm-2:46 pm

2 stops34h 01m

$828

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 4/19

4:25 pm-5:30 pm

1 stop36h 05m

Incheon Intl

Wed 4/29

7:05 pm-10:43 pm

1 stop16h 38m

$833

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 4/4

3:30 pm-4:05 pm

2 stops59h 35m

Incheon Intl

Mon 4/20

5:45 pm-2:46 pm

2 stops34h 01m

$836

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 4/4

3:30 pm-4:05 pm

2 stops59h 35m

Incheon Intl

Mon 4/20

7:05 pm-10:43 pm

1 stop16h 38m

$841

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 4/19

4:25 pm-4:05 pm

2 stops34h 40m

Incheon Intl

Sat 4/25

5:45 pm-2:46 pm

2 stops34h 01m

$866

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 4/6

4:25 pm-5:30 pm

1 stop36h 05m

Incheon Intl

Mon 4/13

5:45 pm-3:44 pm

2 stops34h 59m

$868

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 3/4

1:38 pm-10:55 am

2 stops31h 17m

Seoul Gimpo Intl

Mon 3/9

7:40 pm-2:07 pm

2 stops31h 27m

$1,216

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 6/9

6:00 am-10:25 pm

2 stops27h 25m

Seoul Gimpo Intl

Tue 6/23

5:40 pm-3:39 pm

2 stops58h 59m

$1,227

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Sun 4/19

9:02 am-9:15 pm

2 stops23h 13m

Seoul Gimpo Intl

Tue 5/19

12:05 pm-9:10 pm

2 stops22h 05m

$1,254

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 4/13

7:05 am-9:15 pm

2 stops25h 10m

Seoul Gimpo Intl

Wed 4/22

7:15 pm-2:48 pm

2 stops32h 33m

$1,489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

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

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 April is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $916.

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 $1,078 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.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 2% 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

Fastest flight time

17h 20m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 17h 20m
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 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?

  • 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?

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 AirlinesPriceFrom $504Free CancellationRating
7.4
9,325 reviews
Search United Airlines flights
Air CanadaPriceFrom $774Free CancellationRating
7.1
10,732 reviews
Search Air Canada flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,217 reviews
Search Delta flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,321 reviews
Search American Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,194 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.

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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
Seoul Gimpo Intl Airport
Incheon Intl Airport