$104 Cheap Flights to Udu

View $104 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Udu?

Prices were available within the past 7 days and start at $104 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Fri, Apr 3 - Sun, Apr 5
GMP
Seoul
RSU
Yeosu
$209 Roundtrip, found 8 hours ago
$209
Roundtrip
found 8 hours ago
Select Asiana Airlines flight, departing Fri, Apr 3 from Seoul to Yeosu, returning Sun, Apr 5, priced at $209 found 8 hours ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

What month is the cheapest to fly to Udu?
April is the cheapest month to travel to Udu. Demand is lower then, so fares are generally more affordable. Booking your trip outside of school breaks and major holidays could also help you save.
Which US cities fly direct to Udu?
To fly to Udu without a stopover, select the "Direct flights only" box when you look for journeys on Expedia and we'll show you all the available options to compare.
How to find a cheap flight to Udu?
To secure cheap flights to Udu, book in advance and travel during the low season. Want an insider tip? Depart on a Thursday and save around 16% on average compared to those who jet off on a Sunday.* Sign up for price tracking on the Expedia app and we'll let you know the moment your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Udu?
Although booking in advance is generally the easiest way to save money, don't worry if your Udu getaway is last minute. You can still find cheap flights to Udu, especially if your plans have some flexibility. Try changing your trip dates, exploring different ticket options or jetting out of another airport.
How far in advance should I book a flight to Udu?
To snap up some of the best deals on domestic journeys, book your flight to Udu 28 days ahead of your travel dates. For international flights, it's two to four months in advance. This boosts your chances of getting your preferred departure dates, times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Udu?
Sundays are usually the best day to book a cheap flight to Udu, where you can save 8% on average compared to Fridays. If you decide to buy tickets on a Friday, be ready to pay a higher price as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Udu?
A total of 5 airlines connect 2 airports across the world to Udu. Here are some of the popular airlines to Udu, where Gwangju Intl. Airport (KWJ) is the chief entry point:

  • TWay Air
  • Korean Air
  • Jin Air
  • Asiana Airlines

Where do you fly into Udu?
Yeosu Airport (RSU) is the main airport for travelers flying to Udu. Or you could arrive at Gwangju Intl. Airport (KWJ). Compare fares between these airports to find the most convenient or cost-effective way to fly to Udu.
How far is the airport from central Udu?
If you're flying into Yeosu Airport (RSU), you'll be around 16 mi northeast of central Udu.
Can I save money by booking an Udu trip package?
Book an Udu flight and hotel package deal on Expedia, and you can enjoy significant savings. It's easy to bundle your accommodations and flights, and you can add car rentals and activities to create your own customized Udu trip. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Udu?
You can usually change or cancel your flight to Udu within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive credit for future flights instead of a direct refund. It's important to check the airline's terms and conditions in your itinerary for exact details. You can use Expedia's "No cancel fee" or "Changes included" filters when you search to secure cheap flights to Udu with flexible change policies. For more information, visit our Customer Service Portal.

*Flight schedules are subject to change.

Book with confidence

Tips to find the cheapest flights to Udu

The cheapest day to fly

Get started finding a cheap flight to Udu on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

April is the cheapest month to fly to Udu. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Udu. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Udu, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Udu

The lowest price for round-trip flights to Udu in 2026 starts from from $209, while one-way tickets start from from $104. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Udu. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Udu

Asiana Airlines are just some of the airlines that can typically offer cheap tickets to Udu. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Udu and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Udu, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Udu. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Udu plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Udu

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Udu.

Stopover savings

The cheapest tickets to Udu are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Udu. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Udu for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Udu. Simply download the free Expedia app to your smart device and activate Udu flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Udu. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Tips to find the cheapest flights to Udu

Travel information

Destination airport
Yeosu
Destination airport IATA code
RSU
Destination city name
Yeosu
Roundtrip price
$209

Explore a world of travel with Expedia

*Available to One Key members.