Cheapest airlines flights from Osaka to Seoul

You can choose from 11 airlines that fly from Osaka to Seoul, including Jeju Air, Peach Airlines, and T'Way Air. Peach Airlines has lowest fares on this route.
Jeju Air logo Jeju Air
Peach Airlines logo Peach Airlines
T'Way Air logo T'Way Air
Aero K Airlines logo Aero K Airlines
Korean Air logo Korean Air
Air Seoul logo Air Seoul
Air Busan logo Air Busan
Asiana Airlines logo Asiana Airlines
Eastar Jet logo Eastar Jet
Jin Air logo Jin Air
Parata Air logo Parata Air
Airlines are determined based on actual purchased flight tickets from Osaka to Seoul according to previous 12 months data from Trip.com.

Search for direct flights from Osaka to Seoul in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$92, and round-trip direct flights start at US$149.

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

Osaka to Seoul Flight Details

The distance between Osaka and Seoul is about 821.08 km. The average flying time from Osaka to Seoul is around 2 hours 2 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$92
Cheapest return ticket priceUS$149
Cheapest monthOctober
Peak season for travelJuly
Flight distance821.08 km
Average flight time2 hours 2 minutes
Popular airlineJeju Air
Flight statistics for the Osaka–Seoul route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Osaka to Seoul

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

The average price of one-way flights from Osaka to Seoul purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Osaka to Seoul is Oct, with an average price of US$22; while the month with the highest flight price is usually Feb, with an average price of up to US$80.

US$80
US$51
US$22
0
    Cheapest
  • US$80
    Feb
  • US$45
    Mar
  • US$43
    Apr
  • US$43
    May
  • US$39
    Jun
  • US$35
    Jul
  • US$32
    Aug
  • US$30
    Sep
  • US$22
    Oct
  • US$33
    Nov
  • US$33
    Dec
  • US$34
    Jan

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

The average price of round-trip flights from Osaka 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 Osaka to Seoul are found during Aug, with an average price of US$105. Conversely, the highest prices are found during Feb, with an average price of up to US$170.

US$170
US$138
US$105
US$73
    Cheapest
  • US$170
    Feb
  • US$132
    Mar
  • US$146
    Apr
  • US$138
    May
  • US$141
    Jun
  • US$109
    Jul
  • US$105
    Aug
  • US$115
    Sep
  • US$120
    Oct
  • US$118
    Nov
  • US$121
    Dec
  • US$135
    Jan

What is the cheapest day of the week to fly from Osaka to Seoul?

Average weekly flight prices from Osaka to Seoul by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Osaka to Seoul is Wed, with average prices lower than on other days. Avoid Sun, as prices are usually highest then.

US$154
US$128
US$102
US$76
    Cheapest
  • US$123
    Mon
  • US$112
    Tue
  • US$102
    Wed
  • US$107
    Thu
  • US$125
    Fri
  • US$142
    Sat
  • US$154
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Osaka to Seoul (OSA-SEL)?

    Based on Trip.com data, Peach Airlines offers one-way fares as low as US$92 on Cheapest nonstop routes (e.g. KIX to ICN on Wed, Mar 25), while Peach Airlines offers Cheapest nonstop round-trips from US$149 departing on Wed, Apr 1 and returning on Wed, Apr 8.
  • At the moment, you can catch a nonstop flight from Osaka to Seoul with the following airlines, including: Jeju Air Peach T'Way Air Aero K Airlines Korean Air 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 2 minutes to fly from Osaka 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 Osaka 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 142 flight per week flying from Osaka to Seoul. You can check the weekly schedule for popular airlines on this route below: Peach: S/M/T/W/T/F/S -- MM741 (16:24) Korean Air: S/M/T/W/T/F/S -- KE728 (15:27)
  • To find best deals on flights from Osaka 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 Wed, Mar 25, with one-way flights priced at just US$92.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Peach 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 July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Osaka to Seoul is October, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Osaka to Seoul on February 9, 2026 with Peach, with prices starting at US$59.
  • You can land at any one of the following hubs in Seoul, with Kansai International Airport to Incheon International Airport (KIX-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 Osaka is 0h.
  • 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 Osaka to Seoul

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

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

Based on Trip.com’s data from the past 12 months, Air Busan provides the lowest-priced direct flights from Osaka to Seoul, with fares starting at US$117.

US$111
US$117
US$124
US$130
US$136
Air Busan
US$117
Air Busan
Eastar Jet
US$121
Eastar Jet
Jeju Air
US$126
Jeju Air
Peach Airlines
US$128
Peach Airlines
T'Way Air
US$136
T'Way Air
Air Seoul
US$136
Air Seoul

Which airline operates the most flights from Osaka to Seoul?

Total flights from Osaka to Seoul across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Korean Air operates the most frequent flights from Osaka to Seoul, with 74 flights per week.

34
47
61
74
Korean Air
74
Korean Air
Jeju Air
71
Jeju Air
Hahn Air System
70
Hahn Air System
Asiana Airlines
58
Asiana Airlines
Peach Airlines
56
Peach Airlines
Japan Airlines
47
Japan Airlines

How many flights fly from Osaka to Seoul daily?

The data is based on the flight numbers for each day of the week from Osaka 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 Osaka to Seoul is the highest on Sunday and the lowest on Monday.

426
380
334
288
Highest
334
Mon
334
Tue
344
Wed
340
Thu
421
Fri
419
Sat
426
Sun