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Cheap flights from Philadelphia to Seoul from $406

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 4/22. 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
10:05 am - 4:25 pm
PHL
-
ICN
17h 20m
1 stop
Air Canada Logo
6:00 pm - 2:47 pm
ICN
-
PHL
33h 47m
1 stop
$898Air Canada
Tue, Sep 1 - Wed, Sep 30
Air Canada Logo
3:25 pm - 4:05 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
5:45 pm - 9:45 am
ICN
-
PHL
29h 00m
2 stops
$903Air Canada
Tue, Sep 1 - Wed, Sep 30
Air Canada Logo
4:20 pm - 4:05 pm
PHL
-
ICN
34h 45m
2 stops
Air Canada Logo
6:00 pm - 9:45 am
ICN
-
PHL
28h 45m
2 stops
$911Air Canada
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
8:36 pm - 3:50 pm
PHL
-
ICN
54h 14m
2 stops
Multiple Airlines Logo
7:35 pm - 5:35 am
ICN
-
PHL
23h 00m
1 stop
$923Multiple Airlines
Tue, Apr 21 - Wed, May 13
Air Canada Logo
10:05 am - 4:25 pm
PHL
-
ICN
17h 20m
1 stop
Air Canada Logo
6:00 pm - 2:47 pm
ICN
-
PHL
33h 47m
1 stop
$936Air Canada
Tue, Sep 1 - Wed, Sep 30
Air Canada Logo
3:25 pm - 4:05 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
6:00 pm - 2:47 pm
ICN
-
PHL
33h 47m
1 stop
$937Air Canada
Tue, Sep 8 - Wed, Oct 7
Air Canada Logo
10:05 am - 4:25 pm
PHL
-
ICN
17h 20m
1 stop
Air Canada Logo
7:05 pm - 9:45 am
ICN
-
PHL
27h 40m
1 stop
$941Air Canada
Tue, Sep 1 - Thu, Oct 1
Japan Airlines Logo
6:00 am - 9:15 pm
PHL
-
GMP
26h 15m
2 stops
Japan Airlines Logo
8:00 am - 6:30 pm
GMP
-
PHL
23h 30m
2 stops
$1,282Japan Airlines
Wed, Sep 9 - Wed, Sep 23
Japan Airlines Logo
8:46 am - 10:40 am
PHL
-
GMP
36h 54m
2 stops
Japan Airlines Logo
12:05 pm - 7:30 am
GMP
-
PHL
32h 25m
2 stops
$1,404Japan Airlines
Thu, Apr 23 - Sun, May 17
Japan Airlines Logo
8:46 am - 10:40 am
PHL
-
GMP
36h 54m
2 stops
Japan Airlines Logo
12:05 pm - 7:30 am
GMP
-
PHL
32h 25m
2 stops
$1,418Japan Airlines
Thu, Apr 23 - Sun, May 17

Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Sep 1
PHL10:05 amPhiladelphia
17h 20m
1 stop
ICN4:25 pmIncheon Intl
Sep 30
ICN6:00 pmIncheon Intl
33h 47m
1 stop
PHL2:47 pmPhiladelphia
$936
Air Canada
Sep 8
PHL3:25 pmPhiladelphia
35h 40m
2 stops
ICN4:05 pmIncheon Intl
Oct 7
ICN6:00 pmIncheon Intl
33h 47m
1 stop
PHL2:47 pmPhiladelphia
$937
Air Canada
Sep 1
PHL10:05 amPhiladelphia
17h 20m
1 stop
ICN4:25 pmIncheon Intl
Oct 1
ICN7:05 pmIncheon Intl
27h 40m
1 stop
PHL9:45 amPhiladelphia
$941

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets
Delta
Apr 16
PHL7:15 amPhiladelphia
19h 05m
1 stop
ICN3:20 pmIncheon Intl
Apr 22
ICN7:00 pmIncheon Intl
23h 59m
2 stops
PHL5:59 amPhiladelphia
$1,021
Delta
Apr 19
PHL6:54 pmPhiladelphia
31h 26m
1 stop
ICN3:20 pmIncheon Intl
May 19
ICN4:25 pmIncheon Intl
18h 47m
1 stop
PHL10:12 pmPhiladelphia
$1,022
Delta
Aug 6
PHL7:05 amPhiladelphia
20h 45m
1 stop
ICN4:50 pmIncheon Intl
Aug 23
ICN7:20 pmIncheon Intl
23h 23m
1 stop
PHL5:43 amPhiladelphia
$1,030

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 March 22, 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

Cheapest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/1

10:05 am-4:25 pm

1 stop17h 20m

Incheon Intl

Wed 9/30

6:00 pm-2:47 pm

1 stop33h 47m

$898

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/1

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

Wed 9/30

5:45 pm-9:45 am

2 stops29h 00m

$903

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 9/9

4:20 pm-4:05 pm

2 stops34h 45m

Incheon Intl

Wed 9/23

6:00 pm-9:45 am

2 stops28h 45m

$911

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 4/21

8:36 pm-3:50 pm

2 stops54h 14m

Incheon Intl

Wed 5/13

7:35 pm-5:35 am

1 stop23h 00m

$923

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/1

10:05 am-4:25 pm

1 stop17h 20m

Incheon Intl

Wed 9/30

6:00 pm-2:47 pm

1 stop33h 47m

$936

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/8

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

Wed 10/7

6:00 pm-2:47 pm

1 stop33h 47m

$937
Quickest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/1

10:05 am-4:25 pm

1 stop17h 20m

Incheon Intl

Thu 10/1

7:05 pm-9:45 am

1 stop27h 40m

$941

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/9

6:00 am-9:15 pm

2 stops26h 15m

Seoul Gimpo Intl

Wed 9/23

8:00 am-6:30 pm

2 stops23h 30m

$1,282

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 4/23

8:46 am-10:40 am

2 stops36h 54m

Seoul Gimpo Intl

Sun 5/17

12:05 pm-7:30 am

2 stops32h 25m

$1,404

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 4/23

8:46 am-10:40 am

2 stops36h 54m

Seoul Gimpo Intl

Sun 5/17

12:05 pm-7:30 am

2 stops32h 25m

$1,418

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 $1,103 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 $927 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 1% 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 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?

  • 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
9,458 reviews
Search United Airlines flights
Air CanadaPriceFrom $675Free CancellationRating
7.1
10,832 reviews
Search Air Canada flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,315 reviews
Search Delta flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,485 reviews
Search American Airlines flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
506 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,205 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