Cheap Flights from Seoul to Beijing from $104

Frequently Asked Questions

• What are the cheapest flights from Seoul to Beijing (SEL-BJS)?

  Based on Trip.com data, Jeju Air offers one-way fares as low as $104 on Cheapest nonstop routes (e.g. GMP to PEK on Thu, Oct 1), while China Southern Airlines offers Cheapest nonstop round-trips from $207 departing on Mon, Sep 14 and returning on Wed, Sep 16.

• Which airlines offer direct flights from Seoul to Beijing?

  At the moment, you can catch a nonstop flight from Seoul to Beijing with the following airlines, including: Air China Asiana Airlines Korean Air China Southern Airlines China Eastern Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Seoul (SEL) to Beijing (BJS) and what is the distance?

  It takes around 2 hours 17 minutes to fly from Seoul (SEL) to Beijing (BJS).

• When is the best time to book flights from Seoul to Beijing?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Beijing 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.

• How many flights are there per week from Seoul to Beijing?

  Based on Trip.com data in the past 4 weeks, there is 145 flight per week flying from Seoul to Beijing. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: S/M/T/W/T/F/S -- OZ3355 (15:15) Asiana Airlines: S/M/T/W/T/F/S -- OZ6845 (14:24)

• How can I find the best deals on flights from Seoul to Beijing?

  To find best deals on flights from Seoul to Beijing, 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 Thu, Oct 1, with one-way flights priced at just $104.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air China.
  · 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 Beijing travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seoul (SEL) to Beijing (BJS) the cheapest?

  The cheapest months to fly from Seoul to Beijing is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to Beijing on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seoul to Beijing on September 28, 2026 with China Southern Airlines, with prices starting at $82.

• Which airports can I fly into Beijing from Seoul?

  You can arrive at any of the following airports in Beijing: Beijing Capital International Airport (PEK), Beijing Miyun Mujiayu Airport (MY2), and Beijing Daxing International Airport (PKX). Flights from Incheon International Airport to Beijing Capital International Airport (ICN-PEK) are by far the most popular option for this route.

• Is there any time difference between Seoul and Beijing?

  The time difference between Beijing and Seoul is 1h.

• How do I change or cancel my ticket from Seoul to Beijing?

  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.

• What is the average cost of a one-way flight from Seoul to Beijing?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seoul to Beijing is $196. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Seoul to Beijing?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seoul to Beijing is $324. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Seoul to Beijing on Trip.com?

  Enter Seoul and Beijing, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.