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Cheap Flights from Osaka to Daejeon

Compare Osaka to Daejeon flight deals

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

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Flight deals from Osaka to Daejeon

Looking for a cheap last-minute deal or the best return flight from Osaka to Daejeon? Find the lowest prices on one-way and return tickets right here.
Cheongju.$107 per passenger.Departing Fri, 8 May.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Fri, 8 May, arriving in Cheongju.Price includes taxes and charges.From $107, select.
Cheongju.$111 per passenger.Departing Wed, 15 Apr.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Wed, 15 Apr, arriving in Cheongju.Price includes taxes and charges.From $111, select.
Cheongju.$117 per passenger.Departing Thu, 18 Jun.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Thu, 18 Jun, arriving in Cheongju.Price includes taxes and charges.From $117, select.
Cheongju.$128 per passenger.Departing Wed, 19 Aug.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Wed, 19 Aug, arriving in Cheongju.Price includes taxes and charges.From $128, select.
Cheongju.$128 per passenger.Departing Wed, 1 Jul.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Wed, 1 Jul, arriving in Cheongju.Price includes taxes and charges.From $128, select.
Cheongju.$137 per passenger.Departing Wed, 7 Oct.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Wed, 7 Oct, arriving in Cheongju.Price includes taxes and charges.From $137, select.
Cheongju.$140 per passenger.Departing Wed, 25 Mar.One-way flight with T'way Air.Outbound direct flight with T'way Air departs from Kansai International (Osaka) on Wed, 25 Mar, arriving in Cheongju.Price includes taxes and charges.From $140, select.
Cheongju.$144 per passenger.Departing Fri, 4 Sep.One-way flight with Aero K Airlines.Outbound direct flight with Aero K Airlines departs from Kansai International (Osaka) on Fri, 4 Sep, arriving in Cheongju.Price includes taxes and charges.From $144, select.
Cheongju.$408 per passenger.Departing Sun, 22 Nov.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Kansai International (Osaka) on Sun, 22 Nov, arriving in Cheongju.Price includes taxes and charges.From $408, select.
Cheongju.$1,209 per passenger.Departing Sun, 20 Dec.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Kansai International (Osaka) on Sun, 20 Dec, arriving in Cheongju.Price includes taxes and charges.From $1,209, select.

Osaka to Daejeon: Flight information

The things to know before you go.
Fly intoCheongju Airport
Distance to Daejeon42.2 km
Cheapest flight$107
Cheapest month to flyMay
Most popular airlineAero K Airlines
Average flight time1 hr, 47 mins

Find the cheapest month to fly from Osaka to Daejeon

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Osaka to Daejeon flights are currently cheapest in May. We’ve based this on flights into Cheongju Airport.
Mar
from $140
Apr
from $111
May
from $107
Jun
from $117
Jul
from $128
Aug
from $128
Sep
from $144
Oct
from $137
Nov
from $408
Dec
from $1,209
Jan
Find prices
Feb
Find prices

Finding cheap flights from Osaka to Daejeon: Frequently asked questions

There are 2 airports near Daejeon: Cheongju Airport and Gunsan Airport.
The best price we found for a return flight from Osaka to Daejeon is $179. 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.
Aero K Airlines and T'way Air both offer direct flights to Cheongju Airport.
We've checked every Osaka to Daejeon fare we could find, and the cheapest upcoming date to fly seems to be on Friday, 8 May 2026. Overall, the cheapest month to fly from Osaka to Daejeon is usually May.
If you're flying from Osaka, the cheapest airport near Daejeon is Cheongju – which is 42.2 km away from the centre of Daejeon. We've found flights into this airport from $179.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Osaka to Daejeon on Friday, 8 May 2026.
No airlines currently offer direct flights between Osaka and Daejeon. Most routes have one or more stops.
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 Daejeon 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Daejeon is around 40 days in advance, so don’t leave your flight to the last minute.
Cheongju Airport is 42.2km from Daejeon and Gunsan Airport is 70.1km from Daejeon.
Cheongju Airport is closest to Daejeon, at around 42.2 km away.
The cheapest airline that flies to Daejeon is Aero K Airlines .