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Cheap Flights from London to Ulsan

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Compare London to Ulsan flight deals

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

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Flight deals from London to Ulsan

Looking for a cheap last-minute deal or the best return flight from London to Ulsan? Find the lowest prices on one-way and return tickets right here.
Ulsan.905 € per passenger.Departing Mon, 7 Jul, returning Mon, 21 Jul.Return flight with China Eastern and Korean Air.Outbound indirect flight with China Eastern, departs from London Gatwick on Mon, 7 Jul, arriving in Ulsan.Inbound indirect flight with Korean Air, departs from Ulsan on Mon, 21 Jul, arriving in London Gatwick.Price includes taxes and charges.From 905 €, select.
Ulsan.971 € per passenger.Departing Wed, 20 Aug, returning Sat, 23 Aug.Return flight with China Eastern and Air Busan.Outbound indirect flight with China Eastern, departs from London Gatwick on Wed, 20 Aug, arriving in Ulsan.Inbound indirect flight with Air Busan, departs from Ulsan on Sat, 23 Aug, arriving in London Heathrow.Price includes taxes and charges.From 971 €, select.
Ulsan.1.085 € per passenger.Departing Thu, 31 Jul, returning Sat, 30 Aug.Return flight with Air India and Air Busan.Outbound indirect flight with Air India, departs from London Heathrow on Thu, 31 Jul, arriving in Ulsan.Inbound indirect flight with Air Busan, departs from Ulsan on Sat, 30 Aug, arriving in London Heathrow.Price includes taxes and charges.From 1.085 €, select.
Ulsan.1.154 € per passenger.Departing Wed, 24 Dec, returning Mon, 29 Dec.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from London Heathrow on Wed, 24 Dec, arriving in Ulsan.Inbound indirect flight with Korean Air, departs from Ulsan on Mon, 29 Dec, arriving in London Heathrow.Price includes taxes and charges.From 1.154 €, select.
Ulsan.1.154 € per passenger.Departing Sun, 1 Mar, returning Sun, 8 Mar.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from London Heathrow on Sun, 1 Mar, arriving in Ulsan.Inbound indirect flight with Korean Air, departs from Ulsan on Sun, 8 Mar, arriving in London Heathrow.Price includes taxes and charges.From 1.154 €, select.
Ulsan.1.225 € per passenger.Departing Wed, 24 Sep, returning Tue, 30 Sep.Return flight with Hainan Airlines and Air Busan.Outbound indirect flight with Hainan Airlines, departs from London Heathrow on Wed, 24 Sep, arriving in Ulsan.Inbound indirect flight with Air Busan, departs from Ulsan on Tue, 30 Sep, arriving in London Heathrow.Price includes taxes and charges.From 1.225 €, select.

Find the cheapest month to fly from London to Ulsan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Ulsan flights are currently cheapest in July.
Jun
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Jul
from 905 €
Aug
from 971 €
Sep
from 1.225 €
Oct
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Nov
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Dec
from 1.154 €
Jan
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Feb
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Mar
from 1.154 €
Apr
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May
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London to Ulsan: Alternative routes

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

London to Ulsan: Flight information

The things to know before you go.
Cheapest flight found905 €
Cheapest month to flyJuly

Finding cheap flights from London to Ulsan: Frequently asked questions

The best price we found for a return flight from London to Ulsan is 905 €. 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.
Currently, there are no airlines that fly direct from London to Ulsan. But we found flights with one stop from 905 €.
As of June 2025, there are no flights flying from London to Ulsan.
The cheapest month to fly from London to Ulsan is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Ulsan Airport on Monday, 7 July 2025.
No airlines currently offer direct flights between London and Ulsan Airport. Most routes have one or more stops.
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.
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.
The cheapest airline that flies to Ulsan is China Eastern .

Travelling from London to Ulsan Airport (USN): what you need to know

  • London has many airports where you can jet off on adventures. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when planning your flight from London to Ulsan Airport (USN). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the city's other main bases.

  • The timezone in Ulsan is UTC+9, which is 9 hours ahead of London. Ulsan Airport is located in Ulsan.

  • Your flight from London to USN won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Popular months like July or other busy periods mean longer waiting times and potential delays. Stay on schedule by arriving at the airport even earlier. Plan for at least four hours ahead of international flights and two hours before domestic departures.

Airports in London

London Heathrow Airport (LHR)

  • LHR is approximately 31 kilometres from the centre of London. To work out how to get there, use Google Maps. This essential travel app will show you the quickest route and available public transport options.

  • In search of a handy hotel close to London Heathrow Airport? If you've booked an early flight from London to Ulsan Airport, these accommodation options will put you moments from your departure lounge:

London Gatwick Airport (LGW)

  • You can get to LGW from the centre of London in approximately 1 hour and 19 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 1 hour and 26 minutes to travel the 80 kilometres or so.

  • Get a head start on your holiday with an extra night away from home. Before your flight from London to USN, chill out in one of these hotels near London Gatwick Airport:

About Ulsan Airport (USN)

Getting from Ulsan Airport (USN) to central Ulsan

  • Ulsan Airport is around 11 kilometres from central Ulsan. How long it takes to get there in a cab or car rental depends on the time of day. Do some research before you go.

  • It'll take around 1 hour and 33 minutes to get there by public transport.

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

  • Pick up a one-way ticket from London to Ulsan Airport from 397 € or travel return from just 905 €. Prices are accurate at the time of listing and may change based on availability when you book.

  • It's usually best to book early if you're hoping to get cheap tickets from London to USN. That's because airlines change prices based on demand, which tends to rise closer to the departure date.

  • Take advantage of the 'Whole month' tool to compare the prices of tickets from London to Ulsan Airport across the entire month. We've made the lowest fares green, so you can easily choose a flight your budget will love.

  • Create a Price Alert and track any changes on this route through push notifications or email. You'll know straight away when prices fall. Timing is key when finding cheap tickets from London to USN.

  • Play around with the filters to find your ideal trip. To see the 'Best,' 'Cheapest' or 'Fastest' flights from London to Ulsan Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

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

  • It's time to plan your travel dates for your flight from London to Ulsan Airport. August is the busiest month for a trip to Ulsan. If you like a more relaxed atmosphere, go in April.

  • The warmest month in Ulsan is August, with temperatures ranging between 20ºC and 31ºC. Book your flights from London to USN in this month if you enjoy this type of weather.

  • January has average temperatures of between -5ºC and 8ºC. Search for cheap flights from London to Ulsan Airport sometime then if you want to travel in cooler conditions.

More about Ulsan

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Ulsan right here. Explore these hotels once you've locked in your flight from London to Ulsan Airport:

  • One of the best ways to get a feel for Ulsan is to visit its top sights. Highlights include Ulsan Grand Park, Jangsaengpo Whale Museum and Jangsaengpo Whale Culture Village.

Complete your Ulsan trip with a car rental

  • Finding you a cheap flight from London to Ulsan Airport isn't the only trick up our sleeve. Browse our car rentals in Ulsan and see the sights your way. We find deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

Plan the rest of your trip from London to Ulsan

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.