Cheap Flights from Helena to Seoul starting at S$ 1,323

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Helena to Seoul

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from Helena (HLN) to Seoul (SEL) the cheapest?

Airlines adjust prices for flights from Helena to Seoul based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Helena (HLN) to Seoul (SEL) cost?

According to Trip.com's data, the lowest price is around S$ 1,628.
What is the transportation method from the main airport to downtown in Seoul?
- The distance from Incheon International Airport to downtown is about 48km, by taxi about 1 hour.
- The distance from Gimpo International Airport to downtown is about 15km, by taxi about 30 minutes.
How many airports in Seoul?

There are 2 airports near Seoul: Incheon International Airport and Gimpo International Airport.

How to find a cheap flight from Helena to Seoul

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Helena to Seoul. Book your flights at the right time and save more.

Choose your dates flexibly and get the best deals on flights from Helena to Seoul.

Tap 'Date' on the flight search bar to browse the calendar for Helena to Seoul airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Sat, Apr 12, with one-way flights starting at S$ 1323.

Compare cheap flight deals from hundreds of airlines for Helena to Seoul flights.

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Helena to Seoul. The cheapest flight at the moment is with Korean Air.

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Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

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For the best flight booking experience on the go, download Trip.com and search for cheap flights from Helena to Seoul to get your exclusive deals.

Find cheapest flight ticket from Helena to Seoul

Cheapest one-way flight price	S$ 1,322
Off-season for travel	March
Peak season for travel	May
Flight distance	8,976.07km
Popular airline	Alaska Airlines