Cheapest airlines flights from Seoul to Osaka

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

Search for direct flights from Seoul to Osaka in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$52, and round-trip direct flights start at US$117.

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

Seoul to Osaka Flight Details

The distance between Seoul and Osaka is about 821.08 km. The average flying time from Seoul to Osaka is around 1 hour 50 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is August.

Cheapest one-way flight priceUS$52
Cheapest return ticket priceUS$117
Cheapest monthAugust
Peak season for travelJanuary
Flight distance821.08 km
Average flight time1 hour 50 minutes
Popular airlinePeach
Flight statistics for the Seoul–Osaka route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Seoul to Osaka

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

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

Based on Trip.com’s data, the cheapest month for flights from Seoul to Osaka is Oct, with an average price of US$16; while the month with the highest flight price is usually Feb, with an average price of up to US$66.

US$66
US$41
US$16
0
    Cheapest
  • US$66
    Feb
  • US$31
    Mar
  • US$24
    Apr
  • US$23
    May
  • US$20
    Jun
  • US$18
    Jul
  • US$19
    Aug
  • US$20
    Sep
  • US$16
    Oct
  • US$29
    Nov
  • US$26
    Dec
  • US$41
    Jan

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

The average price of round-trip flights from Seoul to Osaka 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 Seoul to Osaka are found during Jul, with an average price of US$51. Conversely, the highest prices are found during Feb, with an average price of up to US$158.

US$158
US$105
US$51
0
    Cheapest
  • US$158
    Feb
  • US$121
    Mar
  • US$68
    Apr
  • US$64
    May
  • US$59
    Jun
  • US$51
    Jul
  • US$64
    Aug
  • US$58
    Sep
  • US$78
    Oct
  • US$101
    Nov
  • US$91
    Dec
  • US$134
    Jan

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

Average weekly flight prices from Seoul to Osaka 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 Seoul to Osaka is Wed, with average prices lower than on other days. Avoid Fri, as prices are usually highest then.

US$105
US$94
US$83
US$72
    Cheapest
  • US$101
    Mon
  • US$84
    Tue
  • US$83
    Wed
  • US$96
    Thu
  • US$105
    Fri
  • US$104
    Sat
  • US$105
    Sun

Frequently Asked Questions

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

    Based on Trip.com data, Peach Airlines offers one-way fares as low as US$52 on Cheapest nonstop routes (e.g. ICN to KIX on Wed, Mar 4), while Peach Airlines offers Cheapest nonstop round-trips from US$117 departing on Wed, Apr 8 and returning on Tue, Apr 14.
  • At the moment, you can catch a nonstop flight from Seoul to Osaka with the following airlines, including: Peach Jeju Air T'Way Air Korean Air Asiana 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 1 hour 50 minutes to fly from Seoul to Osaka.
  • 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 Osaka 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 Seoul to Osaka. You can check the weekly schedule for popular airlines on this route below: Jeju Air: S/M/T/W/T/F/S -- 7C1325 (08:31) Korean Air: S/M/T/W/T/F/S -- KE2171 (08:47) Air Seoul: S/M/T/W/T/F/S -- RS711 (07:30)
  • To find best deals on flights from Seoul to Osaka, 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 4, with one-way flights priced at just US$52.
    · 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 Osaka travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seoul to Osaka is August, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Seoul to Osaka on February 25, 2026 with Air Seoul, with prices starting at US$43.
  • You can land at any one of the following hubs in Osaka, with Incheon International Airport to Kansai International Airport (ICN-KIX) is by far the most common option on this route: Osaka Itami Airport (ITM) Kansai International Airport (KIX) Kobe Airport (UKB).
  • The time difference between Osaka and Seoul 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 Seoul to Osaka

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

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

Based on Trip.com’s data from the past 12 months, Jeju Air provides the lowest-priced direct flights from Seoul to Osaka, with fares starting at US$110.

US$96
US$110
US$124
US$138
US$152
Jeju Air
US$110
Jeju Air
Eastar Jet
US$110
Eastar Jet
T'Way Air
US$114
T'Way Air
Jin Air
US$116
Jin Air
Peach Airlines
US$120
Peach Airlines
Asiana Airlines
US$152
Asiana Airlines

Which airline operates the most flights from Seoul to Osaka?

Total flights from Seoul to Osaka 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 Seoul to Osaka, with 73 flights per week.

33
46
60
73
Korean Air
73
Korean Air
Jeju Air
70
Jeju Air
Hahn Air System
70
Hahn Air System
Asiana Airlines
58
Asiana Airlines
Peach Airlines
56
Peach Airlines
Japan Airlines
46
Japan Airlines

How many flights fly from Seoul to Osaka daily?

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

426
381
335
290
Highest
335
Mon
337
Tue
346
Wed
343
Thu
423
Fri
421
Sat
426
Sun