Cheap flight tickets from Chicago to Seoul

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Compare Chicago to Seoul flight deals

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

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Flight deals from Chicago to Seoul

Looking for a cheap last-minute deal or the best return flight from Chicago to Seoul? If you want to travel next month, return fares start from RM3,450. Find the lowest prices on one-way and return tickets right here.

Seoul.RM1,646 per passenger.Departing Wed, 26 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Chicago O'Hare International on Wed, 26 Aug, arriving in Incheon International.Price includes taxes and charges.From RM1,646, select.

Seoul.RM1,829 per passenger.Departing Wed, 9 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 9 Sep, arriving in Incheon International.Price includes taxes and charges.From RM1,829, select.

Seoul.RM1,843 per passenger.Departing Fri, 30 Oct.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Chicago O'Hare International on Fri, 30 Oct, arriving in Incheon International.Price includes taxes and charges.From RM1,843, select.

Seoul.RM1,968 per passenger.Departing Fri, 6 Nov.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Chicago O'Hare International on Fri, 6 Nov, arriving in Incheon International.Price includes taxes and charges.From RM1,968, select.

Seoul.RM2,130 per passenger.Departing Tue, 21 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 21 Jul, arriving in Incheon International.Price includes taxes and charges.From RM2,130, select.

Seoul.RM2,223 per passenger.Departing Sun, 25 Apr.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Chicago O'Hare International on Sun, 25 Apr, arriving in Incheon International.Price includes taxes and charges.From RM2,223, select.

Seoul.RM2,244 per passenger.Departing Thu, 3 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Thu, 3 Dec, arriving in Incheon International.Price includes taxes and charges.From RM2,244, select.

Seoul.RM2,378 per passenger.Departing Mon, 25 Jan.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Chicago O'Hare International on Mon, 25 Jan, arriving in Incheon International.Price includes taxes and charges.From RM2,378, select.

Seoul.RM2,490 per passenger.Departing Mon, 1 Feb.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Chicago Rockford on Mon, 1 Feb, arriving in Incheon International.Price includes taxes and charges.From RM2,490, select.

Seoul.RM2,728 per passenger.Departing Mon, 15 Mar.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Chicago O'Hare International on Mon, 15 Mar, arriving in Incheon International.Price includes taxes and charges.From RM2,728, select.

Seoul.RM2,920 per passenger.Departing Tue, 25 May.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Tue, 25 May, arriving in Incheon International.Price includes taxes and charges.From RM2,920, select.

Seoul.RM3,950 per passenger.Departing Wed, 5 Aug.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Chicago O'Hare International on Wed, 5 Aug, arriving in Incheon International.Price includes taxes and charges.From RM3,950, select.

Seoul.RM4,024 per passenger.Departing Wed, 7 Oct.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Chicago O'Hare International on Wed, 7 Oct, arriving in Incheon International.Price includes taxes and charges.From RM4,024, select.

Seoul.RM4,039 per passenger.Departing Mon, 21 Jun.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Chicago O'Hare International on Mon, 21 Jun, arriving in Incheon International.Price includes taxes and charges.From RM4,039, select.

Seoul.RM4,043 per passenger.Departing Tue, 28 Jul.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Chicago O'Hare International on Tue, 28 Jul, arriving in Incheon International.Price includes taxes and charges.From RM4,043, select.

Seoul.RM4,245 per passenger.Departing Mon, 2 Nov.One-way flight with Korean Air.Outbound direct flight with Korean Air departs from Chicago O'Hare International on Mon, 2 Nov, arriving in Incheon International.Price includes taxes and charges.From RM4,245, select.

Find the cheapest month to fly from Chicago to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Seoul flights are currently cheapest in August.

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Direct flights from Chicago to Seoul

Alternative Chicago to Seoul routes

Looking for the cheapest, fastest or easiest route from Chicago to Seoul? You could fly into the following airports instead.

Gimpo International

17km from central Seoul

Closest

from RM1,757

Search flights

Incheon International

48km from central Seoul

Cheapest

from RM1,646

Search flights

Chicago to Seoul: Flight information

The things to know before you go.

Cheapest flight found	RM1,646
Cheapest month to fly	August
Average flight time	14 hrs, 45 mins
Most popular airline	Delta
Average flights per week	16

Finding cheap flights from Chicago to Seoul: Frequently asked questions

How many airports are there in Seoul?

There are 2 airports in Seoul: Gimpo International and Incheon International.

How much are return flights from Chicago to Seoul?

The best price we found for a return flight from Chicago to Seoul is RM3,450. 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 Chicago to Seoul?

14 hours and 45 minutes is the average flight time from Chicago to Seoul.

Which airlines fly direct from Chicago to Seoul?

Delta and Korean Air fly direct from Chicago to Seoul.

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

As of July 2026, there are 16 flights per week flying from Chicago to Seoul.

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

The cheapest month to fly from Chicago to Seoul is usually August.

Which is the cheapest airport to fly into in Seoul?

If you're flying from Chicago, the cheapest airport near Seoul is Incheon International – which is 47.9 km away from the centre of Seoul. We've found flights into this airport from RM3,450.

Which upcoming date is cheapest to fly from Chicago to Seoul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Seoul on Thursday, 20 August 2026.

Can I get a direct flight from Chicago to Seoul?

Yes – the average flight time is 14 hours and 45 minutes.

How can I get the best flight deal from Chicago to Seoul?

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 Seoul 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 Seoul?

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

What’s the weather like in Seoul?

In July, the average temperature is usually around 24°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.

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

The cheapest airline that flies to Seoul is WestJet. And the cheapest airline that flies to Incheon International Airport is Korean Air.

Travelling from Chicago to Seoul: what you need to know

Begin planning your holiday by considering where you'll board your flight from Chicago to Seoul. Chicago O'Hare International Airport (ORD) and Chicago Midway Airport (MDW) are Chicago's main airports.
Incheon International Airport (ICN) and Gimpo International Airport (GMP) are Seoul's chief entry points.
Book a direct Chicago to Seoul flight and you'll be travelling for an average of 14 hours 40 minutes.
Seoul's timezone is UTC+9, which makes Seoul 15 hours ahead of Chicago.
The most popular route for flights from Chicago to Seoul is from Chicago O'Hare International Airport (ORD) to Incheon International Airport (ICN). Choose from seven services every week between these two airports. If you'd like to take off at the first opportunity, the earliest flight from ORD to ICN is the 11:05 Korean Air service. If you have other commitments or plans on your day of travel, the last available departure is at 12:30 with Korean Air.
Give yourself enough time to get on your Chicago to Seoul flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.
Travelling during a peak time such as July? Public holidays and other popular seasons can mean longer lines at security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

How to find the cheapest flights from Chicago to Seoul

To snag cheap Chicago to Seoul flights, reserve your trip three months before your planned departure.
The best month for landing cheap plane tickets from Chicago to Seoul is August. Use the 'Whole month' tool to compare all available prices, then select the dates offering the lowest fares.
Snapping up a cheap flight from Chicago to Seoul is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as the price has dropped.
Select your preferred departure and arrival times, number of stops and airlines by using the filters. Alternatively, sort your Chicago to Seoul flight results by 'Cheapest,' 'Fastest' or 'Best.'

Flying from Chicago

Chicago O'Hare International Airport (ORD)

Jet off from Chicago O'Hare International Airport (ORD) on a nonstop flight from Chicago to Seoul. From ORD, you can travel directly to Incheon International Airport (ICN).
Be on the lookout for promotions with Korean Air. This airline offers direct Chicago to Seoul plane tickets out of ORD.
We make it a breeze to find a Chicago to Seoul flight with a stopover. To see all the options leaving from Chicago O'Hare International Airport, deselect 'Direct flights only.' Then, simply select a flight offering a stop long enough to see the sights of the city of your choice. Major stopovers include:
- Beijing Capital Airport (PEK)
- Tokyo Haneda Airport (HND)
- Minneapolis St Paul Airport (MSP)
The journey from central Chicago to ORD takes around 45 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 26 kilometres in 30 minutes or so, depending on traffic.
Want a leisurely start to your break? Stay near Chicago O'Hare International Airport. Whether you have an early flight from Chicago to Seoul or just don't want to be rushed, these hotels are just the thing:
70% of flights that leave from Chicago O'Hare International Airport make it to their destination on schedule.
ORD is located at 10000 West O'Hare.

Chicago Midway Airport (MDW)

Break up your Chicago to Seoul flight with a stop so you can recharge or tick a new place off your list. Some great stopovers between Chicago Midway Airport and Seoul include:
- Seattle / Tacoma International Airport (SEA)
- Detroit Wayne County Airport (DTW)
- Minneapolis St Paul Airport (MSP)
You can get to MDW from the centre of Chicago in about 25 minutes by car, depending on traffic conditions. The ride by public transport will take roughly 30 minutes to cover the 14 kilometres or so.
Want to treat yourself to an extra night away before catching your flight from Chicago to Seoul? Check in to a hotel near Chicago Midway Airport before your adventure officially starts. Check out these accommodation options:
76% of flights taking off from Chicago Midway Airport arrive according to schedule.
MDW is located at 5700 South Cicero.

Arriving in Seoul

Incheon International Airport (ICN)

Incheon International Airport (ICN) is approximately 48 kilometres from central Seoul. If you're catching a taxi or a ride-share, the drive takes around 1 hour 5 minutes.
It typically takes 50 minutes to get there when travelling by public transport.
The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Chicago to Seoul. Reserve one of these accommodation options near ICN instead:
Pick up a Incheon International Airport rental car and explore Seoul and beyond with your own set of wheels. WECAR, Hi Rent A Car and Alamo are popular providers you can book with here.
Reserving your vehicle from Incheon International Airport about four weeks in advance can help you secure the lowest rate.

Gimpo International Airport (GMP)

The centre of Seoul is about 18 kilometres from Gimpo International Airport (GMP). After your flight from Chicago to Seoul has touched down and you've made your way through the terminal, expect a drive of around 30 minutes.
The journey will take about 35 minutes on public transport.
After your flight from Chicago to Seoul, kick back at a hotel close to GMP. These are some great accommodation options that'll help you switch to relaxation mode:
GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car make picking up a Gimpo International Airport rental car simple. These trusted companies are located around or in the terminal and will have you on the road before long.
Avoid potential price surges. Securing your ride one week ahead of your arrival at GMP can help you lock in a better rate.

Best time to go to Seoul

August is the most popular month for flights from Chicago to Seoul. To skip the crowds, go to Seoul in March.
Lock in a Chicago to Seoul ticket departing in August if you're eager to explore the city during its warmest month. Expect temperatures in Seoul to range from 19ºC (66ºF) to 32ºC (90ºF).
If you like cooler conditions, look for a cheap flight from Chicago to Seoul in January when temperatures average between -12ºC (10ºF) and 4ºC (39ºF).

More about Seoul

When it comes to searching for somewhere to rest your head, you'll find the best stays in Seoul right here. Browse these options as soon as you've locked in your flight from Chicago to Seoul:
There are so many things to see and do in this city it can be hard to figure out where to start. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are leading attractions which should feature on any good Seoul itinerary.

Explore more of South Korea

Seoul will leave a lasting impression, but there are so many other corners of South Korea you'll want to see. About 338 kilometres southeast of Seoul, a visit to Busan will keep you busy. Start with popular sights like Gamcheon Culture Village, Haeundae Beach and Oryukdo Skywalk.
If you're eager to discover another side of South Korea, head for Incheon, about 27 kilometres southwest of Seoul. Songdo Central Park, Songdo Hanok Village and Wolmi Theme Park are among its highlights.