We have pieces in the following keys for Flute:
1-20 of 431 Flute Pieces in F major

Tchaikovsky
Waltz from Sleeping Beauty

Trad.
Danny Boy

Bach
Musette

Trad.
Pimpon (SpanishTraditional)

Trad.
A Blast of Wind (Irish Trad Slip Jig)

Morris
Silent Night Fantasy

David Bruce
Funk Study No.4

Chopin
Waltz No. 1 in Eb op.18

Trad.
The Soldier's Joy (Irish Hornpipe)

Mozart
Concerto for Flute and Harp K. 299 Mvt 2

Mozart
Concerto for Flute and Harp K. 299 Slow Movem...

Saint-Saens
Carnival of the Animals Excerpt: Flute, No. 1...

Trad.
O'Carolan's Concerto (Irish Reel)

Trad.
The Boar's Head Carol

Trad.
Galway Bay Hornpipe

Elgar
Chanson de matin
(subscription)

Trad.
Toss the Feathers (Irish Reel)

Trad.
Mairi's Wedding

Trad.
The Echo (Irish Hornpipe)

Trad.
A Lullagy (Irish trad.)