PHL - SEL

$490 Find Cheap Flights from Philadelphia to Seoul - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,065
Typical prices: $894-$1,445
Multiple Airlines
Sun 9/9Sun 9/16
PHL - ICN • 2 stops
Cheapest one-way
$503
Typical prices: $448-$817
Multiple Airlines
Sat 9/22
PHL - ICN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Seoul. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
PHL - ICN
Cheapest • 18% average savings
PHL - GMP
Most popular
Insights
Insights
When to book
7 weeks
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 27% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $922 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 17h 21m (one-way)
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Flight Deals

Cheap Flights from Philadelphia to Seoul (PHL-SEL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Seoul

Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
10:05 am - 9:15 pmPHL  Philadelphia-ICN Incheon Intl
22h 10m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita
Multiple Airlines Logo
7:25 am - 10:46 pmICN  Incheon Intl-PHL Philadelphia
28h 21m2 stops Tokyo Narita Toronto Pearson Intl
$1,065Multiple Airlines
Sun, Nov 8 - Sat, Nov 21
Alaska Airlines Logo
7:02 am - 5:35 pmPHL  Philadelphia-ICN Incheon Intl
20h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 pm - 5:38 amICN  Incheon Intl-PHL Philadelphia
23h 38m1 stop Seattle/Tacoma Intl
$1,080Alaska Airlines
Thu, Sep 10 - Tue, Sep 15
Delta Logo
9:35 am - 4:25 pmPHL  Philadelphia-ICN Incheon Intl
17h 50m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:50 pm - 9:27 amICN  Incheon Intl-PHL Philadelphia
27h 37m1 stop Atlanta Hartsfield-Jackson
$1,107Delta
Mon, Sep 14 - Thu, Sep 17
Delta Logo
2:30 pm - 4:00 amPHL  Philadelphia-ICN Incheon Intl
24h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:25 pm - 12:40 amICN  Incheon Intl-PHL Philadelphia
21h 15m1 stop Atlanta Hartsfield-Jackson
$1,107Delta
Thu, Sep 10 - Tue, Sep 15
American Airlines Logo
5:00 am - 3:45 pmPHL  Philadelphia-ICN Incheon Intl
21h 45m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 12:22 amICN  Incheon Intl-PHL Philadelphia
19h 32m1 stop Dallas/Fort Worth
$1,107American Airlines
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
7:00 am - 3:45 pmPHL  Philadelphia-ICN Incheon Intl
19h 45m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 pm - 11:21 pmICN  Incheon Intl-PHL Philadelphia
18h 31m1 stop Dallas/Fort Worth
$1,107American Airlines
Wed, Jan 13 - Mon, Mar 8
United Airlines Logo
10:10 am - 5:40 amPHL  Philadelphia-ICN Incheon Intl
29h 30m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
12:45 pm - 4:58 pmICN  Incheon Intl-PHL Philadelphia
18h 13m1 stop San Francisco
$1,188United Airlines
Tue, Jan 12 - Mon, Mar 8
United Airlines Logo
10:10 am - 5:40 amPHL  Philadelphia-ICN Incheon Intl
29h 30m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:00 pm - 7:45 amICN  Incheon Intl-PHL Philadelphia
27h 45m1 stop San Francisco
$1,188United Airlines
Mon, Nov 9 - Mon, Nov 16
Air Canada Logo
3:20 pm - 5:10 pmPHL  Philadelphia-ICN Incheon Intl
35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
6:55 pm - 2:44 pmICN  Incheon Intl-PHL Philadelphia
33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,216Air Canada
Mon, Nov 9 - Tue, Nov 17
Air Canada Logo
3:20 pm - 5:10 pmPHL  Philadelphia-ICN Incheon Intl
35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
6:55 pm - 2:44 pmICN  Incheon Intl-PHL Philadelphia
33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,216Air Canada
Booking Insights

Price, demand and travel trends for Philadelphia to Seoul flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Seoul with more confidence.

What is the cheapest Philadelphia to Seoul flight route?

Philadelphia (PHL) to Incheon Intl Airport (ICN) is the cheapest Philadelphia to Seoul route, averaging $1,149 round-trip. Other Philadelphia to Seoul routes average $1,670, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Philadelphia to Seoul?

Saturday is the cheapest day of the week to fly from Philadelphia to Seoul, it is 9% cheaper than the average day. Friday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Philadelphia to Seoul at $845 round-trip.
  • December ($1,770) and July ($1,524) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 109% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Philadelphia to Seoul the cheapest?

Flights from Philadelphia to Seoul are cheapest 7 weeks before departure. Booking in this window typically costs about 32% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Philadelphia to Seoul flights

Low season

January

Cheapest flight

$503
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Philadelphia to Incheon Intl 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

Your Philadelphia to Seoul flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Philadelphia to Seoul?

    Flights from Philadelphia to Seoul usually depart from Philadelphia (PHL) and may arrive at several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN).

  • What cabin classes can I book on flights from Philadelphia to Seoul?

    Three cabin classes are available on flights from Philadelphia to Seoul:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Philadelphia to Seoul pass through?

    One-stop flights from Philadelphia to Seoul most commonly connect through:

    • Toronto Pearson Intl (YYZ) - 42% of one-stop connections
    • San Francisco (SFO) - 18% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 15% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections

    Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Seoul?

    On the Philadelphia to Seoul route, being flexible with your departure day can save you up to 18%. Saturday is the cheapest day at $1,050 round-trip on average, while Friday is the most expensive at $1,273: a $223 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Seoul?

    Some of the most popular sights in Seoul are Hongdae Area, Myeongdong Shopping Street and Seoul Station. These are among the most viewed places in Seoul on KAYAK.

  • How expensive are last-minute Philadelphia to Seoul flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 13% above the route average of $1,152. Book 7 weeks before departure for the lowest fares.

  • How long is a flight from Philadelphia to Seoul?

    A nonstop flight from Philadelphia to Seoul takes 0h 00m, covering 6,900 miles.

  • Do I need a passport to fly from Philadelphia to Seoul?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Philadelphia to Seoul changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,064 to $8,785. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Philadelphia to Seoul looking right now?

    One-way fares from Philadelphia to Seoul are currently in line with typical prices for this route. Average one-way fares are about $626.

  • How much time can I save by choosing a different layover airport from Philadelphia to Seoul?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 17h 21m, compared with 18h 08m via Detroit Metropolitan Wayne County (DTW) and 18h 09m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Philadelphia and Seoul?

    Seoul is 13 hours ahead of Philadelphia (Korean Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available in Seoul?

    Since Seoul is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Incheon Intl Airport (ICN) — daily rates from around $12:

    · WECAR
    · Wheego
    · Yesaway
    · Alamo
    · Enterprise Rent-A-Car

    Near Seoul Gimpo Intl Airport (GMP) — daily rates from around $12:

    · Yesaway
    · Hi Rent
    · Wheego
    · Europcar
    · Bella Jeju

  • How much should I expect to pay for a Philadelphia to Seoul flight?

    Round-trip flights from Philadelphia to Seoul range from $894 to $1,445, with an average of $1,152 over the past 12 months. Anything below $894 counts as a good deal.

Your guide to booking Philadelphia to Seoul flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Friday. On this route, Saturday flights average $1,050 - about $223 less than Friday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 32% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Seoul trip for January. Fares historically average $845 round-trip in that month - typically $925 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Incheon Intl Airport

    · Grand Hyatt Incheon
    · Best Western Premier Incheon Airport
    · Hotel Hu Incheon Airport

    Near Seoul Gimpo Intl Airport

    · The First Stay Hotel
    · Royal Square Hotel Seoul
    · Hotel M Felice

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

Information on your arrival and departure airports

Philadelphia (PHL)