Skip to content

Flights · BCN → KIX

Barcelona to Osaka

Best fare, round trip

$651

−45%

below its usual $1,180
you keep $529

RareFound
Depart
Mon 4 Jan
Return
Tue 12 Jan
Stay
8 nights
Flight
1 stop · 15h
Airline
Air China

Most of this route’s monthly lows fall between $1,167 and $1,180. The drop beats 93% of measured fares on the board, over 5 observed months.

Check this fare Compare sellers

Cached fare — the booking search re-prices live before you pay.

JapanOsakaJapan with the volume up — street food, blunt humour, and Kyoto and Nara both under an hour by train.Best windowMar–May · Oct–NovAirportsKansai (KIX) · Itami (ITM)Every route into Osaka

Your own dates

Search Barcelona to Osaka for the days you want.

Trip options: Round-trip · Economy · 1 adult
Travellers: 1 adult

Fare seasonality

When this route gets cheap.

Fares bottom out in January around $651 and peak in December near $1,225, 88% dearer, across the 5 months we track. The cheapest itinerary we are tracking makes one stop and takes about 15 hours outbound, on a 8-night trip — ticketed under Air China, which on a connecting fare need not operate every leg. At $651 for 10,318 km each way, that works out to about $32 per 1,000 km flown. That is below the $44 per 1,000 km typical of long-haul fares here. Across the 29 departure cities we track at a similar distance from Osaka, this fare ranks 3rd — 12% above the $582 from Brussels. That puts it in the cheaper half of the 36 routes of similar length we watch out of Barcelona, where the middle fare is $767. The best time to be in Osaka: Mar–May · Oct–Nov.

Day-level prices for the next 4 months

Press a day to compare its fares

The median cached fare across this calendar is 27% higher than when tracking began on 8 Aug — $1,056 then versus $1,345 now, across 18 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $651, on 4 Jan '27.

Cached day-level data for this route is sparse — 13 of 109 days priced, from 52 tracked fares. The days below are shown as found, with no cheapest-day or below-median call.

Cached fares · checked 15 Oct 2026

Cheapest in Jan, around $651

45% below the $1,180 typical fare

CheapestBelow usualUsualAbove usualPress a month to compare its fares

Cheapest round-trip fare found each month, Barcelona to Osaka, from cached prices.

Route facts

Airports
El Prat (BCN) ↔ Kansai (KIX) · Itami (ITM)
Flight time
≈15 hours outbound
Distance
≈10,318 km each way
Typical price
$1,180 round-trip (seasonal median)
Airlines on the board
Air China
Itineraries
Connections on current fares
Best months to visit
Mar–May · Oct–Nov

Good to know

BCN → KIX, answered.

Is $651 a good price for Barcelona to Osaka?

Yes — the seasonal median for this route is around $1,180 round-trip. At $651 you're 45% below that, which we rate rare for this route.

What is the cheapest month to fly from Barcelona to Osaka?

Across 5 months of cached-fare history, Jan comes out cheapest on this route. The best months to actually be in Osaka are Mar–May · Oct–Nov — when those overlap, that's your window.

How far in advance should I book BCN → Osaka?

We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 5 months of cached fares, Jan comes out lowest on this route. Our guide Why flight prices change covers what does move a fare.

Are there nonstop flights from Barcelona to Osaka?

The current cheapest fares involve a connection, ticketed under Air China. We hold no nonstop fare on this route right now, which does not mean none flies — search your exact dates to see what does.

Are these prices guaranteed?

No — these are cached fares found on real searches (this one on 17 October). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.

Next step

Sleeping in Osaka?

Lock the flight first — then compare stays for 4–12 Jan '27 · 8 nights.

Browse hotels

Missed it?

Cached fares expire. This route has a feed of its own — follow it and the next BCN → KIX drop reaches you as soon as we find it.

Follow this route’s feed

Keep browsing

Related routes on the board.

flight.deals app

Keep the fare board one tap away.

Install flight.deals on your Home Screen. It opens without browser chrome while current fares and comparisons still load from the live site.