Cheap Flights from Philadelphia to Seoul
Browse current best options from Philadelphia. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Philadelphia
RatePunk searches hundreds of travel sites at once for deals on flights to Seoul
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Philadelphia to Seoul
Explore current cheapest deals departing from Philadelphia to Seoul
Round trip
Sort by: Cheapest
September 10 - September 18
PHL - Seoul
$1,178
$1,013
Round trip
September 7 - September 30
PHL - Seoul
$1,161
$1,015
Round trip
September 5 - September 26
PHL - Seoul
$1,146
$1,015
Round trip
September 1 - September 30
PHL - Seoul
$1,144
$1,022
Round trip
November 10 - November 17
PHL - Seoul
$1,188
$1,024
Round trip
November 30 - December 17
PHL - Seoul
$1,209
$1,024
Round trip
August 24 - September 10
PHL - Seoul
$1,229
$1,024
Round trip
August 3 - August 31
PHL - Seoul
$1,161
$1,024
Round trip
August 28 - September 11
PHL - Seoul
$1,232
$1,024
Round trip
August 10 - August 26
PHL - Seoul
$1,190
$1,028
Round trip
Unlock all 500+ flight deals to Seoul and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Philadelphia to Seoul
How much is a round trip from Philadelphia to Seoul
Regular price: $1,023 - $1,778
Prices for flights from Philadelphia to Seoul are currently below the regular range.
The regular price range for this route is between $1023 and $1778. The current lowest deal is $1013 with Alaska Airlines, Inc. for travel from Sep 10-Sep 18.
now $1,013
Low $1,023
High $1,778
The cheapest time to fly from Philadelphia to Seoul
The cheapest month to fly from Philadelphia to Seoul is April, with a median price of $704. The most expensive month is August, with a median price of $1686. Prices are generally lower from January to December.
April
Flights from $704
August
Flights from $1,686
Direct flights from Philadelphia to Seoul
Air Canada
United Airlines
Deutsche Luft Hansa
Alaska Airlines, Inc.
Last-minute flights going from Philadelphia to Seoul
Thu, Jun 18
PHL - Seoul
Philadelphia (PHL) - Seoul (ICN)
Air Canada
$1,589
$1,505
One-way
Fri, Jun 19
PHL - Seoul
Philadelphia (PHL) - Seoul (ICN)
Air Canada
$1,406
$1,486
One-way
Mon, Jun 22
PHL - Seoul
Philadelphia (PHL) - Seoul (ICN)
Alaska Airlines, Inc.
$1,403
$1,524
One-way
Wed, Jul 1
PHL - Seoul
Philadelphia (PHL) - Seoul (ICN)
Air Canada
$1,237
$1,397
One-way
Wed, Jul 1
PHL - Seoul
Philadelphia (PHL) - Seoul (ICN)
Air Canada
$1,201
$1,404
One-way
Fri, Jul 3
PHL - Seoul
Philadelphia (PHL) - Seoul (ICN)
Air Canada
$1,295
$1,534
One-way
Biggest price drops on these dates for flights from Philadelphia to Seoul
Dec 6 - Dec 16
$1,418 → $1,041
27%
Dec 3 - Dec 13
$1,412 → $1,041
26%
Dec 6 - Dec 13
$1,404 → $1,041
26%
Dec 5 - Dec 12
$1,398 → $1,041
26%
Popular Airports to fly from Philadelphia to Seoul
Philadelphia - Seoul route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Philadelphia to Seoul are above the typical level at $1013.
📅 Best time to fly
April is historically the cheapest month to fly
Historically, April is the cheapest month to fly from Philadelphia to Seoul, with a median price of $704.
⏱️ Flight duration
Flights are typically long-haul
Flights from Philadelphia to Seoul are typically long-haul, with a median duration of 38h 13m.
✈️ Airlines & availability
Connecting flights are dominant
Connecting flights are dominant on the Philadelphia to Seoul route, with a median of 2 stopovers.
🏆 Airline highlight
Alaska Airlines, Inc. offers deals
Alaska Airlines, Inc. has offered 15 deals for connecting flights on this route.
🎯 Booking tip
Deals are frequent
Deals for flights from Philadelphia to Seoul are frequent, with 1.03 deals per day.
Philadelphia main airports to depart from
Philadelphia International (PHL)
Philadelphia International Airport is a convenient departure point for flights to Seoul.
📍 ~10 km from city center (reachable by car or train)
💸 Flights from ~$1013
Seoul main airports to arrive at
Incheon International (ICN)
Incheon International is a convenient arrival airport for flights from Philadelphia to Seoul.
📍 ~50 km from city center (reachable by car)
💸 Flights from ~$1013
Gimpo International (GMP)
Gimpo International offers another option for travelers flying from Philadelphia to Seoul.
📍 ~20 km from city center (reachable by car)
💸 Flights from ~$1364
Airports nearby Seoul used as alternative
Cheongju International (CJJ)
Cheongju International is a practical alternative due to its proximity and international status for regional destinations.
📍 ~135 km from Seoul (reachable by express bus and rail).
💸 Flights from ~$1237
Gimhae International (PUS)
Gimhae International is a major international gateway and a reliable alternative for flights to nearby countries.
📍 ~320 km from Seoul (reachable by KTX high-speed rail).
💸 Flights from ~$1187
Daegu International (TAE)
Daegu International offers a good selection of international regional flights and efficient terminal processing.
📍 ~235 km from Seoul (reachable by high-speed rail).
💸 Flights from ~$1174
Wonju (WJU)
Wonju is geographically the closest candidate airport, useful for specific domestic connections.
📍 ~95 km from Seoul (reachable by car).
💸 Flights from ~$1616
Gwangju (KWJ)
Gwangju is a major regional airport, an alternative for domestic travel if Seoul airports are at capacity.
📍 ~270 km from Seoul (reachable by KTX).
💸 Flights from ~$1571
Business & First Class Flight Deals to Seoul
Discover luxury on the budget with premium cabin class on flights from Philadelphia to Seoul.
Elite
Best Elite deals to Seoul
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From PHL
Elite
Sep 03
Seoul, South Korea
92% AI deal score
$2,961
$2,099
Save $862
From PHL
Elite
Aug 31
Seoul, South Korea
91% AI deal score
$2,767
$2,057
Save $710
From PHL
Elite
Sep 09
Seoul, South Korea
91% AI deal score
$2,836
$2,057
Save $779
From PHL
Elite
Sep 07
Seoul, South Korea
91% AI deal score
$2,803
$2,057
Save $746
From PHL
Elite
Aug 27
Seoul, South Korea
91% AI deal score
$2,801
$2,057
Save $744
From PHL
Elite
Nov 16
Seoul, South Korea
91% AI deal score
$2,796
$2,072
Save $724
From PHL
Elite
Nov 04
Seoul, South Korea
91% AI deal score
$2,779
$2,081
Save $698
From PHL
Elite
Nov 10
Seoul, South Korea
91% AI deal score
$2,779
$2,081
Save $698
From PHL
Elite
Sep 24
Seoul, South Korea
91% AI deal score
$2,826
$2,081
Save $745
From PHL
Elite
Oct 05
Seoul, South Korea
91% AI deal score
$2,843
$2,081
Save $762
From PHL
Elite
Sep 02
Seoul, South Korea
91% AI deal score
$2,801
$2,081
Save $720
From PHL
Elite
Oct 29
Seoul, South Korea
91% AI deal score
$2,831
$2,081
Save $750
From PHL
Elite
Aug 18
Seoul, South Korea
91% AI deal score
$2,774
$2,081
Save $693
From PHL
Elite
Sep 01
Seoul, South Korea
91% AI deal score
$2,798
$2,081
Save $717
From PHL
Elite
Nov 29
Seoul, South Korea
91% AI deal score
$2,827
$2,199
Save $628
From PHL
Elite
Aug 24
Seoul, South Korea
90% AI deal score
$2,752
$2,081
Save $671
From PHL
Elite
Aug 25
Seoul, South Korea
90% AI deal score
$2,752
$2,081
Save $671
From PHL
Elite
Nov 06
Seoul, South Korea
90% AI deal score
$2,779
$2,199
Save $580
From PHL
Elite
Nov 29
Seoul, South Korea
90% AI deal score
$2,808
$2,199
Save $609
From PHL
Elite
Nov 08
Seoul, South Korea
90% AI deal score
$2,780
$2,199
Save $581
From PHL
Elite
Sep 20
Seoul, South Korea
90% AI deal score
$2,825
$2,199
Save $626
From PHL
Elite
Aug 28
Seoul, South Korea
89% AI deal score
$2,746
$2,199
Save $547
From PHL
Elite
Aug 22
Seoul, South Korea
82% AI deal score
$5,424
$4,766
Save $658
From PHL
Elite
Aug 21
Seoul, South Korea
81% AI deal score
$5,298
$4,751
Save $547
From PHL
Elite
Aug 20
Seoul, South Korea
80% AI deal score
$5,192
$4,751
Save $441
From PHL
Elite
Aug 19
Seoul, South Korea
80% AI deal score
$5,094
$4,751
Save $343
From PHL
Elite
Aug 27
Seoul, South Korea
80% AI deal score
$23,848
$22,261
Save $1,587
From PHL
Elite
Nov 04
Seoul, South Korea
80% AI deal score
$23,633
$22,461
Save $1,172
From PHL
Elite
Nov 13
Seoul, South Korea
80% AI deal score
$23,454
$22,483
Save $971
From PHL
Elite
Aug 04
Seoul, South Korea
79% AI deal score
$4,861
$4,631
Save $230
From PHL
Elite
Aug 27
Seoul, South Korea
79% AI deal score
$5,013
$4,798
Save $215
From PHL
Elite
Aug 29
Seoul, South Korea
78% AI deal score
$4,938
$4,798
Save $140
From PHL
Elite
Aug 28
Seoul, South Korea
78% AI deal score
$4,991
$4,800
Save $191
From PHL
Elite
Aug 04
Seoul, South Korea
78% AI deal score
$4,917
$4,800
Save $117
From PHL
Elite
Aug 27
Seoul, South Korea
78% AI deal score
$5,002
$4,865
Save $137
From PHL
Elite
Aug 29
Seoul, South Korea
78% AI deal score
$5,027
$4,865
Save $162
From PHL
Elite
Aug 28
Seoul, South Korea
78% AI deal score
$5,022
$4,867
Save $155
From PHL
Elite
Jul 22
Seoul, South Korea
78% AI deal score
$22,449
$22,375
Save $74
From PHL
Elite
Aug 21
Seoul, South Korea
77% AI deal score
$4,915
$4,850
Save $65
From PHL
Elite
Aug 20
Seoul, South Korea
77% AI deal score
$4,915
$4,850
Save $65
From PHL
Elite
Aug 19
Seoul, South Korea
77% AI deal score
$4,909
$4,850
Save $59
From PHL
Elite
Aug 22
Seoul, South Korea
77% AI deal score
$4,916
$4,865
Save $51
From PHL
Elite
Aug 24
Seoul, South Korea
77% AI deal score
$4,925
$4,865
Save $60
From PHL
Elite
Aug 25
Seoul, South Korea
77% AI deal score
$4,925
$4,865
Save $60
From PHL
Elite
Aug 21
Seoul, South Korea
77% AI deal score
$5,036
$4,920
Save $116
From PHL
Elite
Aug 20
Seoul, South Korea
77% AI deal score
$5,033
$4,920
Save $113
From PHL
Elite
Aug 20
Seoul, South Korea
77% AI deal score
$5,008
$4,943
Save $65
From PHL
Elite
Aug 21
Seoul, South Korea
77% AI deal score
$5,016
$4,943
Save $73
From PHL
Elite
Aug 02
Seoul, South Korea
77% AI deal score
$5,536
$5,493
Save $43
From PHL
Elite
Aug 04
Seoul, South Korea
77% AI deal score
$5,843
From PHL
Elite
Aug 04
Seoul, South Korea
77% AI deal score
$5,872
From PHL
Elite
Oct 14
Seoul, South Korea
77% AI deal score
$22,429
From PHL
Elite
Oct 14
Seoul, South Korea
77% AI deal score
$22,441
From PHL
Elite
Oct 20
Seoul, South Korea
77% AI deal score
$22,441
From PHL
Elite
Aug 20
Seoul, South Korea
76% AI deal score
$4,924
From PHL
Elite
Aug 21
Seoul, South Korea
76% AI deal score
$4,929
$4,924
Save $5
From PHL
Elite
Aug 21
Seoul, South Korea
76% AI deal score
$4,932
From PHL
Elite
Aug 20
Seoul, South Korea
76% AI deal score
$4,932
From PHL
Elite
Aug 21
Seoul, South Korea
76% AI deal score
$4,934
From PHL
Elite
Aug 20
Seoul, South Korea
76% AI deal score
$4,934
From PHL
Elite
Jul 12
Seoul, South Korea
76% AI deal score
$5,771
From PHL
Elite
Sep 10
Seoul, South Korea
76% AI deal score
$7,026
From PHL
Elite
Oct 12
Seoul, South Korea
76% AI deal score
$3,329
From PHL
Elite
Aug 04
Seoul, South Korea
75% AI deal score
$6,875
From PHL
Elite
Aug 04
Seoul, South Korea
75% AI deal score
$6,931
From PHL
Elite
Aug 01
Seoul, South Korea
75% AI deal score
$6,957
From PHL
Elite
Aug 13
Seoul, South Korea
75% AI deal score
$22,283
From PHL
Elite
Oct 20
Seoul, South Korea
75% AI deal score
$22,429
From PHL
Elite
Aug 01
Seoul, South Korea
74% AI deal score
$6,965
From PHL
Elite
Aug 01
Seoul, South Korea
74% AI deal score
$6,970
From PHL
Elite
Aug 01
Seoul, South Korea
74% AI deal score
$7,020
From PHL
Elite
Oct 20
Seoul, South Korea
74% AI deal score
$22,441
From PHL
Elite
Oct 22
Seoul, South Korea
74% AI deal score
$22,449
From PHL
Elite
Oct 23
Seoul, South Korea
74% AI deal score
$22,449
From PHL
Elite
Dec 05
Seoul, South Korea
74% AI deal score
$23,047
From PHL
Elite
Oct 23
Seoul, South Korea
74% AI deal score
$4,226
From PHL
Elite
Nov 10
Seoul, South Korea
73% AI deal score
$22,461
From PHL
Elite
Oct 21
Seoul, South Korea
72% AI deal score
$8,251
From PHL
Elite
Jul 22
Seoul, South Korea
72% AI deal score
$22,186
From PHL
Elite
Jul 14
Seoul, South Korea
72% AI deal score
$22,186
From PHL
Elite
Jul 14
Seoul, South Korea
72% AI deal score
$22,250
From PHL
Elite
Jul 22
Seoul, South Korea
72% AI deal score
$22,250
From PHL
Elite
Jul 22
Seoul, South Korea
72% AI deal score
$22,262
From PHL
Elite
Jul 14
Seoul, South Korea
72% AI deal score
$22,262
From PHL
Elite
Aug 21
Seoul, South Korea
72% AI deal score
$22,283
From PHL
Elite
Jul 14
Seoul, South Korea
72% AI deal score
$22,303
From PHL
Elite
Jun 30
Seoul, South Korea
72% AI deal score
$22,305
From PHL
Elite
Jun 30
Seoul, South Korea
72% AI deal score
$22,329
From PHL
Elite
Jun 30
Seoul, South Korea
72% AI deal score
$22,346
From PHL
Elite
Jun 30
Seoul, South Korea
72% AI deal score
$22,346
From PHL
Elite
Jun 30
Seoul, South Korea
72% AI deal score
$22,358
From PHL
Elite
Jul 14
Seoul, South Korea
72% AI deal score
$22,375
From PHL
Elite
Nov 05
Seoul, South Korea
72% AI deal score
$22,421
From PHL
Elite
Jun 30
Seoul, South Korea
72% AI deal score
$22,430
From PHL
Elite
Nov 04
Seoul, South Korea
72% AI deal score
$22,449
From PHL
Elite
Oct 30
Seoul, South Korea
72% AI deal score
$22,449
From PHL
Elite
Nov 18
Seoul, South Korea
72% AI deal score
$22,461
From PHL
Elite
Nov 10
Seoul, South Korea
72% AI deal score
$22,461
From PHL
Elite
Nov 04
Seoul, South Korea
72% AI deal score
$22,461
From PHL
Elite
Nov 09
Seoul, South Korea
72% AI deal score
$22,461