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Cheap flights from Philadelphia to Seoul from $445

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 8/4. 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
9:15 am - 5:30 pm
PHL
-
ICN
19h 15m
1 stop
Air Canada Logo
5:45 pm - 2:46 pm
ICN
-
PHL
34h 01m
2 stops
$805Air 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
5:45 pm - 9:48 am
ICN
-
PHL
29h 03m
2 stops
$810Air Canada
Tue, Apr 21 - Wed, May 13
Air Canada Logo
4:25 pm - 5:30 pm
PHL
-
ICN
36h 05m
1 stop
Air Canada Logo
7:05 pm - 9:48 am
ICN
-
PHL
27h 43m
1 stop
$854Air Canada
Wed, Apr 29 - Sun, May 3
Air Canada Logo
3:30 pm - 4:15 pm
PHL
-
ICN
35h 45m
2 stops
Air Canada Logo
5:55 pm - 2:47 pm
ICN
-
PHL
33h 52m
2 stops
$855Air Canada
Wed, Mar 11 - Wed, Mar 18
Air Canada Logo
3:30 pm - 5:30 pm
PHL
-
ICN
37h 00m
2 stops
Air Canada Logo
7:05 pm - 2:46 pm
ICN
-
PHL
32h 41m
2 stops
$856Air Canada
Mon, Apr 6 - Wed, Apr 15
Asiana Airlines Logo
3:30 pm - 4:05 pm
PHL
-
ICN
59h 35m
2 stops
Asiana Airlines Logo
5:45 pm - 3:44 pm
ICN
-
PHL
34h 59m
2 stops
$880Asiana Airlines
Sat, Apr 4 - Thu, Apr 16
Multiple Airlines Logo
6:00 am - 10:20 pm
PHL
-
GMP
27h 20m
2 stops
Multiple Airlines Logo
8:10 am - 9:49 am
GMP
-
PHL
38h 39m
2 stops
$1,190Multiple Airlines
Mon, Jun 15 - Fri, Jun 26
Multiple Airlines Logo
10:25 am - 1:10 pm
PHL
-
GMP
37h 45m
2 stops
Multiple Airlines Logo
7:55 pm - 9:45 am
GMP
-
PHL
50h 50m
2 stops
$1,267Multiple Airlines
Tue, Jun 16 - Wed, Jul 22
Japan Airlines Logo
7:05 am - 9:15 pm
PHL
-
GMP
25h 10m
2 stops
Japan Airlines Logo
8:00 am - 3:56 pm
GMP
-
PHL
20h 56m
2 stops
$1,527Japan Airlines
Mon, Apr 13 - Wed, Apr 22
Japan Airlines Logo
6:00 am - 9:15 pm
PHL
-
GMP
26h 15m
2 stops
Japan Airlines Logo
8:00 am - 3:56 pm
GMP
-
PHL
20h 56m
2 stops
$1,531Japan Airlines
Mon, Apr 13 - Wed, Apr 22

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets
Delta
Mar 29
PHL6:00 amPhiladelphia
22h 20m
1 stop
ICN5:20 pmIncheon Intl
Apr 9
ICN10:15 amIncheon Intl
19h 18m
1 stop
PHL4:33 pmPhiladelphia
$917
Delta
Mar 3
PHL6:10 amPhiladelphia
20h 20m
2 stops
ICN4:30 pmIncheon Intl
Mar 11
ICN7:30 pmIncheon Intl
17h 29m
1 stop
PHL11:59 pmPhiladelphia
$921
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
$922

American Airlines flights from Philadelphia to Seoul

Our best American Airlines deals on Philadelphia to Seoul flight tickets
American Airlines
Mar 17
PHL5:00 amPhiladelphia
21h 55m
1 stop
ICN3:55 pmIncheon Intl
Mar 27
ICN5:55 pmIncheon Intl
28h 37m
1 stop
PHL9:32 amPhiladelphia
$924
American Airlines
Feb 16
PHL5:00 amPhiladelphia
21h 45m
1 stop
ICN4:45 pmIncheon Intl
Mar 15
ICN5:55 pmIncheon Intl
28h 45m
1 stop
PHL9:40 amPhiladelphia
$1,073
American Airlines
Feb 25
PHL5:00 amPhiladelphia
21h 45m
1 stop
ICN4:45 pmIncheon Intl
Mar 10
ICN5:55 pmIncheon Intl
19h 59m
1 stop
PHL12:54 amPhiladelphia
$1,192

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 15, 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

9:15 am-5:30 pm

1 stop19h 15m

Incheon Intl

Wed 4/22

5:45 pm-2:46 pm

2 stops34h 01m

$805

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 4/21

4:25 pm-5:30 pm

1 stop36h 05m

Incheon Intl

Wed 5/13

5:45 pm-9:48 am

2 stops29h 03m

$810

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 4/29

4:25 pm-5:30 pm

1 stop36h 05m

Incheon Intl

Sun 5/3

7:05 pm-9:48 am

1 stop27h 43m

$854

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 3/11

3:30 pm-4:15 pm

2 stops35h 45m

Incheon Intl

Wed 3/18

5:55 pm-2:47 pm

2 stops33h 52m

$855

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 4/6

3:30 pm-5:30 pm

2 stops37h 00m

Incheon Intl

Wed 4/15

7:05 pm-2:46 pm

2 stops32h 41m

$856

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 4/4

3:30 pm-4:05 pm

2 stops59h 35m

Incheon Intl

Thu 4/16

5:45 pm-3:44 pm

2 stops34h 59m

$880

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 6/15

6:00 am-10:20 pm

2 stops27h 20m

Seoul Gimpo Intl

Fri 6/26

8:10 am-9:49 am

2 stops38h 39m

$1,190

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 6/16

10:25 am-1:10 pm

2 stops37h 45m

Seoul Gimpo Intl

Wed 7/22

7:55 pm-9:45 am

2 stops50h 50m

$1,267

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 4/13

7:05 am-9:15 pm

2 stops25h 10m

Seoul Gimpo Intl

Wed 4/22

8:00 am-3:56 pm

2 stops20h 56m

$1,527

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 4/13

6:00 am-9:15 pm

2 stops26h 15m

Seoul Gimpo Intl

Wed 4/22

8:00 am-3:56 pm

2 stops20h 56m

$1,531

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 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 $1,076 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
9,295 reviews
Search United Airlines flights
Air CanadaPriceFrom $775Free CancellationRating
7.1
10,718 reviews
Search Air Canada flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,205 reviews
Search Delta flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,296 reviews
Search American Airlines flights
Korean AirPriceFrom $1,076Free CancellationRating
8.4
1,191 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