Cheap Flights to Thornton

View ₩213,200 flight on Mon, Dec 15, 2025Opens in a new window

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How much is the cheapest flight to Thornton?

Prices were available within the past 7 days and start at ₩213,200 for one-way flights and ₩393,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 27 - Sat, Oct 4
LAX
Los Angeles
PHL
Philadelphia
₩393,500 Roundtrip, found 17 hours ago
₩393,500
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Sep 27 from Los Angeles to Philadelphia, returning Sat, Oct 4, priced at ₩393,500 found 17 hours ago
United
Sat, Sep 27 - Sat, Oct 4
ONT
Ontario
PHL
Philadelphia
₩496,700 Roundtrip, found 17 hours ago
₩496,700
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Sep 27 from Ontario to Philadelphia, returning Sat, Oct 4, priced at ₩496,700 found 17 hours ago
American Airlines
Sat, Sep 27 - Sat, Oct 4
LAX
Los Angeles
PHL
Philadelphia
₩505,500 Roundtrip, found 17 hours ago
₩505,500
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sat, Sep 27 from Los Angeles to Philadelphia, returning Sat, Oct 4, priced at ₩505,500 found 17 hours ago
Alaska Airlines
Mon, Sep 29 - Sun, Oct 26
ICN
Seoul
PHL
Philadelphia
₩712,600 Roundtrip, found 4 days ago
₩712,600
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 29 from Seoul to Philadelphia, returning Sun, Oct 26, priced at ₩712,600 found 4 days ago
Hawaiian Airlines
Sat, Oct 25 - Wed, Nov 5
ICN
Seoul
PHL
Philadelphia
₩712,600 Roundtrip, found 5 days ago
₩712,600
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, Oct 25 from Seoul to Philadelphia, returning Wed, Nov 5, priced at ₩712,600 found 5 days ago

Find the cheapest month to fly from Columbus (CMH) to Philadelphia (PHL)

February is typically the cheapest month to fly

From ₩182,749 - ₩525,233 per traveler.

Graph displaying average flight prices per month

Searching for cheap flights to Thornton? No travel company presents more choices than Expedia if you're looking to compare flights to Thornton. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Philadelphia. Expedia provides the cheapest flights to many destinations in Philadelphia and you may find even greater savings if you combine your flight with a hotel stay in Thornton.

Flights to Thornton information
Destination airport
Philadelphia Intl.
Destination airport IATA code
PHL
Destination city name
Philadelphia
Roundtrip price
₩393,500

Trending flights to Thornton

Prices were available within the past 7 days and start at ₩213,200 for one-way flights and ₩393,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Oct 27 - Sun, Nov 9
ICN
Seoul
PHL
Philadelphia
₩698,800 Roundtrip, found 3 days ago
₩698,800
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Oct 27 from Seoul to Philadelphia, returning Sun, Nov 9, priced at ₩698,800 found 3 days ago
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