Cheap Flights from Yeosu (RSU) to Chicago (ORD)

Popular airlines from Yeosu (RSU) to Chicago O'Hare Intl. Airport (ORD)

Flights from Yeosu (RSU) to Chicago (ORD)
Origin airport
Yeosu
Destination airport
O'Hare Intl.
Distance
6672 mi

Yeosu to Chicago Flights

The cheapest times to fly from Yeosu to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Yeosu to Chicago are during the month of . You can find some of the cheapest flights from Yeosu to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Yeosu to Chicago

Sunday is one of the best days to book for cheap flights from Yeosu to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Yeosu to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Yeosu to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Yeosu to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Yeosu to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

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

 

Frequently asked questions

How much does a flight from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight or cheap return flight from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD)?
The cheapest month to fly from RSU to ORD is , when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD)?
To find the cheapest airline that'll fly you from RSU to ORD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD)?
Nonstop flights from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RSU to ORD?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD)?
To avoid possible delays on the Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD) last-minute?
Booking your ticket from RSU to ORD shortly before your getaway is usually more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a RSU to ORD flight and hotel package?
Compared with arranging flights and hotels separately, booking a RSU to ORD flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Yeosu Airport (RSU) to O'Hare Intl. Airport (ORD)?
You can usually reschedule or cancel your RSU to ORD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.