￥428,300 Cheap KLM flights Bucharest (OTP) to Ulsan (USN)

View ￥428,300 flight on Sun, Oct 26, 2025Opens in a new window
    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

￥428,300 Cheap KLM flights Bucharest (OTP) to Ulsan (USN)

Prices were available within the past 7 days and start at ￥428,300 for one-way flights and ￥582,820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥582,820 Roundtrip, found 1 day ago
￥582,820
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥582,820 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥589,940 Roundtrip, found 1 day ago
￥589,940
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥589,940 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥622,830 Roundtrip, found 1 day ago
￥622,830
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥622,830 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥622,970 Roundtrip, found 1 day ago
￥622,970
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥622,970 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥623,110 Roundtrip, found 1 day ago
￥623,110
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥623,110 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥623,210 Roundtrip, found 1 day ago
￥623,210
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥623,210 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥672,040 Roundtrip, found 1 day ago
￥672,040
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥672,040 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥672,280 Roundtrip, found 1 day ago
￥672,280
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥672,280 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥676,040 Roundtrip, found 1 day ago
￥676,040
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥676,040 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥686,500 Roundtrip, found 1 day ago
￥686,500
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥686,500 found 1 day ago
KLM
Sun, Oct 26 - Sun, Nov 2
OTP
Bucharest
USN
Ulsan
￥825,740 Roundtrip, found 1 day ago
￥825,740
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Oct 26 from Bucharest to Ulsan, returning Sun, Nov 2, priced at ￥825,740 found 1 day ago
Flights from Bucharest (OTP) to Ulsan (USN)
Origin airport
Henri Coanda Intl.
Destination airport
Ulsan
Distance
8181 km

Frequently asked questions

How much is a KLM flight from Henri Coanda Intl. Airport (OTP) to Ulsan Airport (USN)?
You'll discover affordable return KLM flights from ￥582,820 from OTP to USN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from ￥428,300 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from OTP to USN with KLM?
KLM flights to Ulsan are often more affordable in the low-season months of February and December. Whether you need a round-trip or one-way ticket, you could land a better deal then.
Does KLM fly nonstop from Henri Coanda Intl. Airport (OTP) to Ulsan Airport (USN)?
To see if there's a direct trip from OTP to USN with KLM or any other carriers, select the "Nonstop" filter when searching for tickets.
What airports does KLM fly into in Ulsan?
Take a KLM flight from Henri Coanda Intl. Airport (OTP) to Ulsan, and you're most likely to touch down at Ulsan Airport (USN). This is the airline's primary hub in this destination.
Can I change or cancel my KLM flight from Henri Coanda Intl. Airport (OTP) to Ulsan Airport (USN)?
Changes are generally free within 24 hours of booking, but your airline may charge you after that time. For more information about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without additional costs, check the "Changes included" or "No cancel fee" filter when organizing your next adventure.
*Available to Expedia members.