Cheap Flights to Onsan-eup

View ₩16,300 flight on Tue, Sep 30, 2025Opens in a new window

Popular airlines

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Onsan-eup?

Prices were available within the past 7 days and start at ₩16,300 for one-way flights and ₩32,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Sat, Sep 27 - Mon, Sep 29
CJU
Jeju City
PUS
Busan
₩37,900 Roundtrip, found 11 hours ago
₩37,900
Roundtrip
found 11 hours ago
Select Jeju Air with Bag flight, departing Sat, Sep 27 from Jeju City to Busan, returning Mon, Sep 29, priced at ₩37,900 found 11 hours ago
T'way Air with baggage
Tue, Oct 14 - Thu, Oct 16
GMP
Seoul
PUS
Busan
₩62,400 Roundtrip, found 1 hour ago
₩62,400
Roundtrip
found 1 hour ago
Select T'way Air with baggage flight, departing Tue, Oct 14 from Seoul to Busan, returning Thu, Oct 16, priced at ₩62,400 found 1 hour ago
Korean Air
Tue, Nov 11 - Tue, Nov 25
CJU
Jeju City
USN
Ulsan
₩97,308 Roundtrip, found 3 days ago
₩97,308
Roundtrip
found 3 days ago
Select Korean Air flight, departing Tue, Nov 11 from Jeju City to Ulsan, returning Tue, Nov 25, priced at ₩97,308 found 3 days ago
Jeju Air
Thu, Oct 2 - Thu, Oct 9
KIX
Osaka
PUS
Busan
₩122,500 Roundtrip, found 4 days ago
₩122,500
Roundtrip
found 4 days ago
Select Jeju Air flight, departing Thu, Oct 2 from Osaka to Busan, returning Thu, Oct 9, priced at ₩122,500 found 4 days ago
Eastar Jet
Tue, Oct 28 - Wed, Oct 29
KIX
Osaka
PUS
Busan
₩146,200 Roundtrip, found 1 hour ago
₩146,200
Roundtrip
found 1 hour ago
Select Eastar Jet flight, departing Tue, Oct 28 from Osaka to Busan, returning Wed, Oct 29, priced at ₩146,200 found 1 hour ago

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

Flights to Onsan-eup information
Destination airport
Gimhae
Destination airport IATA code
PUS
Destination city name
Busan
Roundtrip price
₩32,600

Trending flights to Onsan-eup

Prices were available within the past 7 days and start at ₩16,300 for one-way flights and ₩32,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Tue, Oct 14 - Tue, Oct 14
CJU
Jeju City
PUS
Busan
₩32,600 Roundtrip, found 11 hours ago
₩32,600
Roundtrip
found 11 hours ago
Select Jeju Air with Bag flight, departing Tue, Oct 14 from Jeju City to Busan, returning Tue, Oct 14, priced at ₩32,600 found 11 hours ago
*Available to Expedia members.