Cheap Flights from Seoul (SELA) to Ulsan (USN)

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Travellers and cabin class, 1 Adult, Economy

Compare Seoul to Ulsan flight deals

Find the cheapest month or even day of the year to fly to Ulsan

Book the best Ulsan fare with no extra fees

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Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Seoul to Ulsan

Looking for a cheap last-minute deal or the best return flight from Seoul to Ulsan Airport? If you want to travel next month, return fares start from £62. Find the lowest prices on one-way and return tickets right here.

Ulsan.£29 per passenger.Departing Wed, 21 Oct.One-way flight with Jin Air.Outbound direct flight with Jin Air departs from Gimpo International on Wed, 21 Oct, arriving in Ulsan.Price includes taxes and charges.From £29, select.

Ulsan.£32 per passenger.Departing Thu, 4 Feb.One-way flight with Jin Air.Outbound direct flight with Jin Air departs from Gimpo International on Thu, 4 Feb, arriving in Ulsan.Price includes taxes and charges.From £32, select.

Ulsan.£32 per passenger.Departing Mon, 16 Nov.One-way flight with Jin Air.Outbound direct flight with Jin Air departs from Gimpo International on Mon, 16 Nov, arriving in Ulsan.Price includes taxes and charges.From £32, select.

Ulsan.£32 per passenger.Departing Mon, 18 Jan.One-way flight with Jin Air.Outbound direct flight with Jin Air departs from Gimpo International on Mon, 18 Jan, arriving in Ulsan.Price includes taxes and charges.From £32, select.

Ulsan.£34 per passenger.Departing Mon, 21 Dec.One-way flight with Jin Air.Outbound direct flight with Jin Air departs from Gimpo International on Mon, 21 Dec, arriving in Ulsan.Price includes taxes and charges.From £34, select.

Ulsan.£54 per passenger.Departing Thu, 2 Sep.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Gimpo International on Thu, 2 Sep, arriving in Ulsan.Price includes taxes and charges.From £54, select.

Ulsan.£55 per passenger.Departing Tue, 15 Jun.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Gimpo International on Tue, 15 Jun, arriving in Ulsan.Price includes taxes and charges.From £55, select.

Ulsan.£55 per passenger.Departing Tue, 4 May.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Gimpo International on Tue, 4 May, arriving in Ulsan.Price includes taxes and charges.From £55, select.

Ulsan.£55 per passenger.Departing Mon, 29 Mar.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Gimpo International on Mon, 29 Mar, arriving in Ulsan.Price includes taxes and charges.From £55, select.

Ulsan.£56 per passenger.Departing Tue, 6 Jul.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Gimpo International on Tue, 6 Jul, arriving in Ulsan.Price includes taxes and charges.From £56, select.

Ulsan.£69 per passenger.Departing Fri, 13 Aug.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Gimpo International on Fri, 13 Aug, arriving in Ulsan.Price includes taxes and charges.From £69, select.

What’s the cheapest month to fly from Seoul to Ulsan Airport?

Right now, flights from Seoul to Ulsan Airport are cheapest in October, with prices from £29. That's £40 less than you’d pay in August.

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Cheapest month:October

Most expensive month:August

When’s the best time to visit Ulsan?

We analysed thousands of flight and hotel prices, plus a whole heap of weather data, to show you what Ulsan is typically like each month. If you're after a great deal, October currently has the lowest return flights from £61. But if you're searching for sunshine, August is the warmest month, with average temperatures of 25°C - 30°C.

October

Temperature14°C - 21°C

RainfallModerate

(61–120mm)

Cheapest return flight£61

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November

Temperature7°C - 16°C

RainfallDry

(21–60mm)

Cheapest return flight£62

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December

Temperature-0°C - 9°C

RainfallDry

(21–60mm)

Cheapest return flight£64

Find a flight

January

Temperature-2°C - 7°C

RainfallDry

(21–60mm)

Cheapest return flight£64

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February

Temperature0°C - 9°C

RainfallDry

(21–60mm)

Cheapest return flight£64

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March

Temperature5°C - 15°C

RainfallModerate

(61–120mm)

Cheapest return flight£96

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April

Temperature10°C - 19°C

RainfallModerate

(61–120mm)

Cheapest return flight£125

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May

Temperature14°C - 22°C

RainfallModerate

(61–120mm)

Cheapest return flight£122

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June

Temperature20°C - 26°C

RainfallWet

(121–250mm)

Cheapest return flight£134

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July

Temperature24°C - 30°C

RainfallWet

(121–250mm)

Cheapest return flight£125

Find a flight

Direct flights from Seoul to Ulsan

Seoul to Ulsan: Alternative routes

Compare routes from Seoul to Ulsan below. You may find an airport to fly into that's cheaper, faster, or easier than Ulsan.

Seoul to Ulsan: Flight information

The things to know before you go.

Cheapest flight found	£29
Cheapest month to fly	October
Average flight time	1 hr
Most popular airline	Korean Air
Average flights per week	58

Finding cheap flights from Seoul to Ulsan: Frequently asked questions

How much are return flights from Seoul to Ulsan?

The best price we found for a return flight from Seoul to Ulsan is £61. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Seoul to Ulsan?

1 hour is the average flight time from Seoul to Ulsan.

Which airlines fly direct from Seoul to Ulsan?

Korean Air, KLM and Jin Air fly direct from Seoul to Ulsan.

How many flights are there a week from Seoul to Ulsan?

As of October 2026, there are 58 flights per week flying from Seoul to Ulsan.

When is the cheapest time to fly from Seoul to Ulsan?

The cheapest month to fly from Seoul to Ulsan is usually October.

Which upcoming date is cheapest to fly from Seoul to Ulsan Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Ulsan Airport on Tuesday, 20 October 2026.

Can I get a direct flight from Seoul to Ulsan Airport?

Yes – the average flight time is 1 hour.

How can I find the best flight deal to Ulsan?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ulsan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Ulsan?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ulsan is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Seoul to Ulsan with?

The cheapest airline that flies to Ulsan is Jin Air .

Flying from Seoul to Ulsan Airport (USN): What you need to know

Seoul's main airport is Seoul Gimpo International Airport (GMP). Check out your departure options from this base when searching for your flights from Seoul to Ulsan Airport (USN).
Seoul and Ulsan (where Ulsan Airport is located) share the UTC+9 timezone. That means you won't need to adjust your watch once you arrive.
For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your flight from Seoul to USN.
You'll likely experience longer lines during popular months like January and other peak periods. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

Airports in Seoul

Seoul Incheon International Airport (ICN)

Travelling from central Seoul to ICN takes about 50 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 48 kms (30 miles) in 1 hour 5 minutes or so, depending on traffic.
Looking for a comfortable hotel close to Seoul Incheon International Airport? If you're catching an early flight from Seoul to Ulsan Airport, these stays will have you sleeping moments from your check-in counter:
74% of flights that take off from Seoul Incheon International Airport land at their destination on schedule.

Seoul Gimpo International Airport (GMP)

You can book a direct Seoul to Ulsan Airport (USN) plane ticket with departures from Seoul Gimpo International Airport (GMP). Check if flying out of GMP makes more sense for your journey.
From GMP, direct flights from Seoul to USN are offered by Korean Air.
Korean Air is the most frequently booked airline flying from GMP to USN.
Korean Air is the most punctual carrier operating flights between Seoul Gimpo International Airport and Ulsan Airport.
Using public transport, you can travel from central Seoul to GMP in around 35 minutes. The airport is roughly 16 kms (10 miles) away, and getting there by car will take approximately 30 minutes.
Start your holiday sooner with an additional night away from home. Before your Seoul to USN flight, unwind in one of these hotels near Seoul Gimpo International Airport:
Flights from Seoul Gimpo International Airport have a strong track record for punctuality, with 80% of them arriving within the expected time frame.

About Ulsan Airport (USN)

If you're arriving on a late flight from Seoul to Ulsan Airport, nothing tops the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing soon after at one of these hotels near USN:

Getting from Ulsan Airport (USN) to central Ulsan

Ulsan Airport is around 18 kms (11 miles) from the centre of Ulsan. It takes around 25 minutes or so to drive to the city.
It takes around 45 minutes if you're travelling on public transport.

How to find the cheapest flights from Seoul to Ulsan Airport (USN)

The cheapest price we've found for a one-way ticket from Seoul to Ulsan Airport is £29. For a return flight on this route, the best price is £61. Depending on when you want to go and the availability, these fares can change.
Get cheap flights from Seoul to USN by booking 11 months ahead. Based on our research, that's the ideal time frame for picking up a bargain.
The best month for finding cheap Seoul to Ulsan Airport tickets is April. Use the 'Whole month' tool to compare prices, then choose the dates with the lowest fares.
Spend less time searching for cheap plane tickets from Seoul to USN by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.
Chase down a great fare on a flight from Seoul to Ulsan Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Seoul to Ulsan Airport (USN)

January is the busiest month for flights from Seoul to Ulsan Airport (USN). Visit Ulsan in December if you'd rather avoid peak season.
Book a Seoul to USN plane ticket departing in August if you want to explore the city during its warmest month. You can expect temperatures in Ulsan to range from 20ºC to 31ºC.
If you want to travel in cooler conditions, look for a cheap ticket from Seoul to Ulsan Airport in January when temperatures are between -5ºC and 8ºC.

More about Ulsan

Start your Ulsan trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Seoul to Ulsan Airport, explore our selection of hotels including:
Jangsaengpo Whale Culture Village and Ulsan Grand Park are just a couple of the top-rated attractions to add to your Ulsan to-do list. Keep the adventure rolling by checking out BAMBOO FOREST.

Explore more of South Korea

Seoul is just one of the many places in South Korea waiting to be discovered after you've seen Ulsan. Around 306 kms (190 miles) away to the northwest, top sights here include Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower.
Around 193 kms (120 miles) northwest of Ulsan, Daejeon is another favourite stop in South Korea. Experience this destination's highlights firsthand at National Science Museum, Temi Park and Yuseong Hot Springs.