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Cheap flights from Philadelphia to Seoul from $391

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 10/16. 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

Delta Logo
9:39 am - 4:25 pmPHL-ICN
17h 46m1 stop
Delta Logo
7:40 pm - 9:30 amICN-PHL
26h 50m1 stop
$826Delta
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sáb., sep. 27 - sáb., oct. 25
Delta Logo
6:00 am - 4:30 pmPHL-ICN
21h 30m2 stops
Delta Logo
9:35 am - 4:35 pmICN-PHL
21h 00m1 stop
$831Delta
Find Deal
mar., oct. 21 - mar., nov. 4
Multiple Airlines Logo
5:50 pm - 3:45 pmPHL-ICN
32h 55m1 stop
Multiple Airlines Logo
8:35 pm - 7:02 amICN-PHL
23h 27m2 stops
$832Multiple Airlines
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sáb., oct. 18 - lun., oct. 27
Multiple Airlines Logo
5:50 pm - 3:45 pmPHL-ICN
32h 55m1 stop
Multiple Airlines Logo
8:35 pm - 7:02 amICN-PHL
23h 27m2 stops
$835Multiple Airlines
Find Deal
lun., oct. 20 - lun., oct. 27
Air Canada Logo
3:25 pm - 4:05 pmPHL-ICN
35h 40m2 stops
Air Canada Logo
8:10 pm - 3:51 pmICN-PHL
33h 41m1 stop
$838Air Canada
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sáb., sep. 27 - lun., nov. 24
Air Canada Logo
3:25 pm - 4:05 pmPHL-ICN
35h 40m2 stops
Air Canada Logo
6:00 pm - 9:38 pmICN-PHL
16h 38m1 stop
$842Air Canada
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sáb., sep. 27 - mié., oct. 22
United Airlines Logo
8:05 am - 3:15 pmPHL-ICN
42h 10m2 stops
United Airlines Logo
6:00 pm - 9:38 amICN-PHL
29h 38m2 stops
$893United Airlines
Find Deal
sáb., oct. 25 - vie., nov. 7
United Airlines Logo
6:34 am - 3:00 pmPHL-ICN
19h 26m1 stop
United Airlines Logo
11:30 am - 12:45 amICN-PHL
26h 15m3 stops
$896United Airlines
Find Deal
mié., oct. 1 - jue., oct. 23
American Airlines Logo
6:23 am - 4:45 pmPHL-ICN
20h 22m1 stop
American Airlines Logo
6:50 pm - 7:40 amICN-PHL
26h 50m2 stops
$904American Airlines
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dom., feb. 1 - sáb., feb. 28
American Airlines Logo
5:00 am - 4:45 pmPHL-ICN
21h 45m1 stop
American Airlines Logo
6:50 pm - 9:27 amICN-PHL
28h 37m1 stop
$906American Airlines
Find Deal
dom., feb. 1 - sáb., feb. 28

American Airlines flights from Philadelphia to Seoul

Our best American Airlines deals on Philadelphia to Seoul flight tickets
American Airlines
Feb 1
PHL6:23 amPhiladelphia
20h 22m
1 stop
ICN4:45 pmIncheon Intl
Feb 28
ICN6:50 pmIncheon Intl
26h 50m
2 stops
PHL7:40 amPhiladelphia
$904
Find similar
American Airlines
Feb 1
PHL5:00 amPhiladelphia
21h 45m
1 stop
ICN4:45 pmIncheon Intl
Feb 28
ICN6:50 pmIncheon Intl
28h 37m
1 stop
PHL9:27 amPhiladelphia
$906
Find similar
American Airlines
Feb 4
PHL5:00 amPhiladelphia
21h 45m
1 stop
ICN4:45 pmIncheon Intl
Mar 18
ICN5:55 pmIncheon Intl
26h 45m
2 stops
PHL7:40 amPhiladelphia
$912
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Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Sep 27
PHL3:25 pmPhiladelphia
35h 40m
2 stops
ICN4:05 pmIncheon Intl
Nov 24
ICN6:55 pmIncheon Intl
33h 52m
2 stops
PHL2:47 pmPhiladelphia
$832
Find similar
Air Canada
Sep 27
PHL3:25 pmPhiladelphia
35h 40m
2 stops
ICN4:05 pmIncheon Intl
Nov 24
ICN8:10 pmIncheon Intl
33h 41m
1 stop
PHL3:51 pmPhiladelphia
$838
Find similar
Air Canada
Sep 27
PHL9:20 amPhiladelphia
41h 45m
2 stops
ICN4:05 pmIncheon Intl
Nov 17
ICN6:55 pmIncheon Intl
33h 52m
2 stops
PHL2:47 pmPhiladelphia
$842
Find similar

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 septiembre 17, 2025.
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

sáb. 9/27

9:39 am-4:25 pm

1 stop17h 46m

Incheon Intl

sáb. 10/25

7:40 pm-9:30 am

1 stop26h 50m

$826

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

mar. 10/21

6:00 am-4:30 pm

2 stops21h 30m

Incheon Intl

mar. 11/4

9:35 am-4:35 pm

1 stop21h 00m

$831

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

sáb. 10/18

5:50 pm-3:45 pm

1 stop32h 55m

Incheon Intl

lun. 10/27

8:35 pm-7:02 am

2 stops23h 27m

$832

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

lun. 10/20

5:50 pm-3:45 pm

1 stop32h 55m

Incheon Intl

lun. 10/27

8:35 pm-7:02 am

2 stops23h 27m

$835

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

sáb. 9/27

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

lun. 11/24

8:10 pm-3:51 pm

1 stop33h 41m

$838

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

sáb. 9/27

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

mié. 10/22

6:00 pm-9:38 pm

1 stop16h 38m

$842

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

sáb. 10/25

8:05 am-3:15 pm

2 stops42h 10m

Incheon Intl

vie. 11/7

6:00 pm-9:38 am

2 stops29h 38m

$893

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

mié. 10/1

6:34 am-3:00 pm

1 stop19h 26m

Incheon Intl

jue. 10/23

11:30 am-12:45 am

3 stops26h 15m

$896

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

dom. 2/1

6:23 am-4:45 pm

1 stop20h 22m

Incheon Intl

sáb. 2/28

6:50 pm-7:40 am

2 stops26h 50m

$904

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

dom. 2/1

5:00 am-4:45 pm

1 stop21h 45m

Incheon Intl

sáb. 2/28

6:50 pm-9:27 am

1 stop28h 37m

$906

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 January is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $906.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Friday is the cheapest day to fly to Seoul from Philadelphia. The lowest ticket price found for a Friday departure recently was $1,137. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,368.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,187 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,412 per ticket.

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 $1,064 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 $930 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 15% on your flight if you consider stops on a Philadelphia to Seoul flight.

How have Philadelphia to Seoul flight prices changed over time?

As of September 2025, prices for Philadelphia to Seoul flights are approximately 18% more expensive 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

Direct flights

None
There are no direct flights from Philadelphia to Seoul. There are no popular flight routes from Philadelphia to Seoul.
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  • 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 39m.

  • 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 $601Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $795Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $866Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $871Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,060Free CancellationRating
8.4
1,140 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