Cheapest airlines flights from Changchun to Seoul

You can choose from 2 airlines that fly from Changchun to Seoul, including Asiana Airlines, China Southern Airlines, China Southern Airlines has lowest fares on this route.
Asiana Airlines logo Asiana Airlines
China Southern Airlines logo China Southern Airlines
Airlines are determined based on actual purchased flight tickets from Changchun to Seoul according to previous 12 months data from Trip.com.

Search for direct flights from Changchun to Seoul in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$134, and round-trip direct flights start at US$238.

Displayed flight fares from Changchun to Seoul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Changchun to Seoul Flight Details

The distance between Changchun and Seoul is about 713.57 km. The average flying time from Changchun to Seoul is around 2 hours 8 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is October.

Cheapest one-way flight priceUS$112
Cheapest return ticket priceUS$222
Cheapest monthOctober
Peak season for travelJanuary
Flight distance713.57 km
Average flight time2 hours 8 minutes
Popular airlineAsiana Airlines
Flight statistics for the Changchun–Seoul route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Changchun to Seoul

Which month has the cheapest one-way flights from Changchun to Seoul?

Average monthly one-way flight prices from Changchun to Seoul, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Changchun to Seoul is December, with an average price of US$154; while the month with the highest flight price is usually August, with an average price of up to US$243.

US$243
US$199
US$154
US$110
    Cheapest
  • US$181
    Jun
  • US$213
    Jul
  • US$243
    Aug
  • US$176
    Sep
  • US$162
    Oct
  • US$178
    Nov
  • US$154
    Dec
  • US$179
    Jan
  • US$208
    Feb
  • US$193
    Mar
  • US$169
    Apr
  • US$168
    May

Which month has the cheapest round-trip flights from Changchun to Seoul?

The average price of round-trip flights from Changchun to Seoul purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Changchun to Seoul are found during April, with an average price of US$256. Conversely, the highest prices are found during August, with an average price of up to US$466.

US$466
US$361
US$256
US$151
    Cheapest
  • US$297
    Jun
  • US$311
    Jul
  • US$466
    Aug
  • US$385
    Sep
  • US$364
    Oct
  • US$265
    Nov
  • US$276
    Dec
  • US$274
    Jan
  • US$426
    Feb
  • US$317
    Mar
  • US$256
    Apr
  • US$271
    May

Frequently Asked Questions

  • What are the cheapest flights from Changchun to Seoul (CGQ-SEL)?

    Based on Trip.com data, Shandong Airlines offers one-way fares as low as US$112 on Cheapest nonstop routes (e.g. CGQ to ICN on Tue, Jun 30), while China Eastern Airlines offers Cheapest nonstop round-trips from US$222 departing on Mon, Jun 15 and returning on Thu, Jun 18.
  • At the moment, you can catch a nonstop flight from Changchun to Seoul with the following airlines, including: Asiana Airlines China Southern Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 8 minutes to fly from Changchun to Seoul.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Changchun to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 27 flight per week flying from Changchun to Seoul. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: S/M/T/W/T/F/S -- OZ304 (11:41) China Southern Airlines: -/M/-/W/-/F/S -- CZ4201 (11:41) China Southern Airlines: S/M/T/W/T/F/S -- CZ637 (15:51)
  • To find best deals on flights from Changchun to Seoul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jun 30, with one-way flights priced at just US$112.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is China Southern Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Changchun to Seoul is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Changchun to Seoul on June 16, 2026 with China Eastern Airlines, with prices starting at US$198.
  • You can land at any one of the following hubs in Seoul, with Changchun Longjia International Airport to Incheon International Airport (CGQ-ICN) is by far the most common option on this route: Gimpo International Airport (GMP) Incheon International Airport (ICN).
  • The time difference between Seoul and Changchun is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Changchun to Seoul

Which airline offers the cheapest direct flights from Changchun to Seoul?

Data is based on the average price of all nonstop flights from Changchun to Seoul on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Shandong Airlines provides the lowest-priced direct flights from Changchun to Seoul, with fares starting at US$136.

US$104
US$136
US$169
US$202
US$234
Shandong Airlines
US$136
Shandong Airlines
Shanghai Airlines
US$159
Shanghai Airlines
Air China
US$160
Air China
China Eastern Airlines
US$165
China Eastern Airlines
China Southern Airlines
US$230
China Southern Airlines
Asiana Airlines
US$234
Asiana Airlines

How many flights fly from Changchun to Seoul daily?

The data is based on the flight numbers for each day of the week from Changchun to Seoul within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Changchun to Seoul is the highest on Saturday and the lowest on Tuesday/Thursday.

16
14
12
10
Highest
13
Mon
12
Tue
13
Wed
12
Thu
15
Fri
16
Sat
13
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.