ARN-KBP(Kiev)-BKK by VV (Aerosvit)

7,600 SEK + taxes(ca 3,000 SEK)

Fare basis: JPX3M5
Min/Max stay: 3D/3M
Stopover: 1 free in KBP each direction
Cancellation: 100 EUR
Change: 60 EUR/change

--
ARN-PEK-HKG by CA

15,000 SEK + taxes(ca 1,600 SEK)

Fare basis: ZAPRTSE
Min/Max stay: na/1Y
Stopover: 1 free in PEK each direction
Cancellation: 100 EUR
Change:100 EUR/change
You can also fly CA coded KA operated flight on PEK-HKG vv.

--
ARN-DOH-BKK by QR

15,500 SEK + taxes(ca 2,550 SEK)

Min/Max stay: 3D/1Y
Fare basis: RTSE
Stopover: 1,000 SEK per stop in DOH
Cancellation: 2,000 SEK
Change: 2,000 SEK/change

--
ARN-(via CPH/BKK)-SIN/KUL by SK

15,800 SEK + taxes(ca 3100 SEK w/o stops)

Fare basis: ZSEBIZ
Min/Max stay: SU/1Y
Stopover: 1 free in each direction
Cancellation: 614 EUR
Change: 414 EUR/change
Flight between BKK-SIN/KUL must be SK/TG coded (operated by TG)

--
ARN-IST-NRT by TK

19,500 SEK + taxes(ca 2650 SEK)

Fare basis: DSERT
Min/Max stay: na/1Y
Stopover: 1 free in IST each direction
Cancellation/Change: Permitted

FYI, IST-NRT is operated by TK 77W (leased from Jet Airways)