PHL - SEL

$454 Find Cheap Flights from Philadelphia to Seoul - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Seoul departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,046
Typical prices: $866-$973
Air Canada
Mon 9/28Tue 11/3
PHL - ICN • 1 stop
Cheapest one-way
$454
Typical prices: $339-$840
Multiple Airlines
Tue 8/18
PHL - ICN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Seoul. You'll need at least 1 connection.
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Top layover airports
Detroit (DTW)
Cheapest • Avg $866 (round-trip)
Montreal (YUL)
Shortest trip • 17h 20m (one-way)
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When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 29% compared to booking last minute.
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When to travel
November
Cheapest • 29% price drop
March
Most popular
Good to know
Good to know
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+1
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Good to know
+1
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Philadelphia to Seoul (PHL-SEL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Seoul that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Seoul

Mon, Sep 28 - Tue, Nov 3
Air Canada Logo
3:25 pm - 4:25 pm
PHL
-
ICN
36h 00m
1 stop
Air Canada Logo
6:55 pm - 2:44 pm
ICN
-
PHL
33h 49m
2 stops
$1,046Air Canada
Mon, Sep 28 - Tue, Nov 3
Air Canada Logo
4:20 pm - 4:05 pm
PHL
-
ICN
34h 45m
2 stops
Air Canada Logo
6:55 pm - 2:44 pm
ICN
-
PHL
33h 49m
2 stops
$1,051Air Canada
Sun, Sep 6 - Mon, Sep 21
Air Canada Logo
3:25 pm - 4:05 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
5:45 pm - 10:11 am
ICN
-
PHL
29h 26m
2 stops
$1,052Air Canada
Wed, Oct 14 - Mon, Oct 26
Air Canada Logo
4:20 pm - 4:05 pm
PHL
-
ICN
34h 45m
2 stops
Air Canada Logo
7:10 pm - 10:56 pm
ICN
-
PHL
16h 46m
1 stop
$1,056Air Canada
Sun, Sep 6 - Mon, Sep 21
Air Canada Logo
4:20 pm - 5:30 pm
PHL
-
ICN
36h 10m
1 stop
Air Canada Logo
7:05 pm - 3:41 pm
ICN
-
PHL
33h 36m
1 stop
$1,057Air Canada
Wed, Aug 19 - Wed, Sep 2
Japan Airlines Logo
9:33 am - 9:15 pm
PHL
-
GMP
22h 42m
2 stops
Japan Airlines Logo
8:00 am - 4:43 pm
GMP
-
PHL
21h 43m
2 stops
$1,452Japan Airlines
Fri, Aug 21 - Wed, Aug 26
Multiple Airlines Logo
7:17 am - 9:15 pm
PHL
-
GMP
24h 58m
2 stops
Multiple Airlines Logo
8:00 am - 8:09 pm
GMP
-
PHL
25h 09m
2 stops
$1,482Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Asiana Airlines Logo
10:50 am - 10:25 pm
PHL
-
GMP
22h 35m
2 stops
Asiana Airlines Logo
8:10 am - 10:46 pm
GMP
-
PHL
27h 36m
2 stops
$1,509Asiana Airlines
Thu, Aug 27 - Tue, Sep 15
Multiple Airlines Logo
10:36 am - 9:15 pm
PHL
-
GMP
21h 39m
2 stops
Multiple Airlines Logo
12:05 pm - 10:19 pm
GMP
-
PHL
23h 14m
2 stops
$1,529Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Japan Airlines Logo
9:47 am - 9:15 pm
PHL
-
GMP
22h 28m
2 stops
Japan Airlines Logo
8:00 am - 6:42 pm
GMP
-
PHL
23h 42m
2 stops
$1,631Japan Airlines
Booking Insights

KAYAK's insights & trends for Philadelphia to Seoul flights

Get data-powered insights and trends into flights from Philadelphia to Seoul to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Philadelphia to Seoul?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Seoul departing in September.

What is the cheapest month to fly from Philadelphia to Seoul?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Seoul, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Seoul is November, where tickets cost $543 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $880 and $868 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Seoul, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to Seoul, you should book around 4 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Find deals

Good to know

Low season

September

Cheapest flight

$454
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Philadelphia to Seoul Incheon Airport

When to book flights from Philadelphia to Seoul

Are your dates flexible? Find out the best times to travel from Philadelphia to Seoul based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Seoul

  • What is the cheapest flight from Philadelphia to Seoul?

    In the last 5 days, the lowest price for a flight from Philadelphia to Seoul was $454 for a one-way ticket and $1,046 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Seoul?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Philadelphia and on arrival in Seoul.

  • Which airports will I be using when flying from Philadelphia to Seoul?

    Philadelphia is served by only 1 airport and there are 2 airports in Seoul. You will leave Philadelphia from Philadelphia and you will be arriving in Seoul at one of these airports: Seoul Gimpo Intl or Incheon Intl.

  • Which aircraft models fly most regularly from Philadelphia to Seoul?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Philadelphia to Seoul?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Philadelphia and Seoul, with oneworld being the most commonly used for this route.

  • What is the most popular layover when flying to Seoul from Philadelphia?

    Toronto is the most popular layover city among KAYAK users traveling from Philadelphia to Seoul.

  • Which is the best airline for flights from Philadelphia to Seoul, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Seoul are Delta and United Airlines. With an average price for the route of $1,157 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,072 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Philadelphia to Seoul?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Seoul.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Seoul?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Seoul?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seoul with an airline and back to Philadelphia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Seoul?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Philadelphia to Seoul

Information on your arrival and departure airports

Philadelphia (PHL)