Fly to the Sky have released 7 albums to date. The first five were released while the duo were still under contract with SM Entertainment. After their contract ended in November 2004, Fly to the Sky signed with PFull Entertainment. Brian Joo has also released a solo album under the PFull label in 2006.

1. DAY BY DAY (Dec 9, 1999)

1. Intro
2. In My Dream (featuring H.O.T)
3. Day by Day
4. I Don't Wanna Say Good-bye
5. Fly to the Sky
6. Wanna be with You
7. EVERYTHING...
8. 내겐 너무 예쁜 그대 (Beautiful Girl)
9. 사랑을 닮은 노래 (A SONG FOR LOVE)
10. WARNING
11. LOVE FOREVER
12. IN MY DREAM (EXTENDED VERSION)

2. THE PROMISE (Feb 3, 2001)

1. 약속 (The Promise)
2. A Confession (고백)
3. What U Want
4. I Want (feat. Kangta & BoA)
5. I Want You I Need You
6. Retry
7. Always Together
8. Maybe God Knows
9. In Your Eyes
10. Crystal (Featuring Jinju)
11. Don't Forget Me
12. Shy Love
13. Baby Love
14. Should I Stay...
15. 약속 (CD Bonus Track, Booty Mix)

3. SEA OF LOVE (April 26, 2002)

1. Sea Of Love
2. Condition Of My Heart
3. Rains
4. 그대를...(I Know..But..)
5. Future Tonight
6. Say My Name
7. Trust
8. No More Games
9. In Love
10. How Many Nights How Many Days
11. All My Love
12. 5 Minutes
13. 원망 (Tragic Love)
14. Sea Of Love (Fany Version) - Bonus Track

4. MISSING YOU (July 4, 2003)

1. 후 (Intro)
2. Missing You
3. 한 (Han)
4. 습관 (Habit)
5. 2 become 1
6. Magic Song
7. Still
8. Only One
9. Good to You
10. You
11. My Love
12. I'm Gonna (Streaming TRAXing Trax)
13. Baby Baby Baby (Streaming TRAX)

5. GRAVITY (Nov 8, 2004)

1. Stay (Bae Hwa-Young, Hwang Sun-Je)
2. 중력 (Gravity) (Park Chang-Hyun)
3. 그대는 모르죠 (Good-Bye) (Hong Ji-yoo, Jamie Jones)
4. Old Skool Love (Yoo Young-Jin, Yoo Han-Jin)
5. 열감기 (Rest of My Life) (Brian Joo, Yoo Young-Jin, Yoo Chang-Yong)
6. 한참이 지나도 (If You Go Away) (Hong Ji-Yoo, Hwang Se-Jun)
7. Take a Bow (Seo Yong-Geun)
8. 사랑을 모르다 (MONOLOGUE) (Lee Yoon-Jae)
9. Tell Me (Choi Kab-Won, Park Ji-Young)
10. My Neverending Story (Kim Young-Hoo)
11. For You (Hwanhee, Jamie Jones)

6. TRANSITION (Jan 6, 2006)

1. Be with you (Im Sun-Ah, Lee Sang-In)
2. 피 (避) (Evasion) (Park Chang-Hyun)
3. 남자답게 (Like a Man) (Cho Eun-Hee, Kim Do-Hoon)
4. 노랑나비(Yellow butterfly) (AND)
5. 빌고 또 빌어도 (As I plead and plead again) (Cho Eun-Hee, Cho Kyu-Man)
6. 하루가 가… (As a day passes by) (Lee Hee-Seung, Ha Jung-Ho)
7. 사랑해요 우리 (Shall We Love) (ft. GUMMY) (Cho Eun-Hee, Hwang Se-Jun)
8. 다시 돌아온 너에게 (To You Who Came Back Again) (Im Sun-Ah, Hwang Sung-Je)
9. The girl is mine (ft. Lisa & Jho) (Ahn Young-Min, Kim Tae-Hyun)
10. 폭풍속에 내 이름 불러주실 (Call my name in midst of a storm)(Kim Jin Yong, Lee Hyun-Seung)
11. Question (Shim Jae-Hee, Hwang Chan-Hee)
12. 심장(♡障) (Heart) (Lee Shi-Jin, Cho Joon-Young)

7. NO LIMITATIONS (July 4, 2007)

1. Saranghae (사랑해 I love you) (Ha Jung-ho)
2. My Angel (Kang Hwa-Seong, Cho Kyu-Man)
3. Gieok Han Joom (기억 한 줌 Grain of Memory) (Lee Sang-in, Hong Ji-Yoo)
4. Gajilsu Eopseodo (가질 수 없어도 Although I can't have it) (Hwang Se-Jun, Kang Eun-Kyung)
5. Miwohaejwo (미워해 줘 Please hate me (PJ, Kang Eun-Kyung)
6. Namgyeojin Saram (남겨진 사람 The One Left Behind) (Cho Kyu-Man)
7. Let's Get It On (MNI Min-Jae)
8. Man 2 Man (Kim Tae-Hyun, Cha Sang-Min)
9. Sebeonjjae Nal (3번째 날 The third day) (Kim Jin Hwan, Choi Kwan Won)
10. Gyeolhon Hajima (결혼하지마 Don't marry) (Cho Kyu-Man)
11. Geuraedo Saranghabnida (그래도 사랑합니다 I still love you) (Feat. 헤리티지) (Lee Hyun-Seung, Kim Jin-Yong)
12. Oneuldo Eepeungeol (오늘도 이쁜걸 작곡 Pretty today too) (Hwang Se-Jun, Choi Kab-Won)
13. Kissing You (Feat. Issac Squab Of Trespass)(Composed by Cho Joon Young and Brian Joo; lyrics by Cho Joon Young)
14. 가벼운 사랑 (Gabyeo-oon Sarang) (Feat. 현무 & TKO Of Trespass) (Cho Joon-Young and Hwanhee)

THE BRIAN (Dec 20, 2006)

1. 일년을 겨울에 살아
2. 가지마 (Don't Go)
3. First Date
4. 사랑하지 않으니까요
5. 닮아가기
6. 하지 말라고
7. 신사
8. 검은눈물
9. 눈물 속으로
10. 바래! 바래! (I Want! I Want!) (feat. 윤동훈 Trepass)
11. All I know
12. 바래! 바래! (I Want! I Want!) (Remix)

The Brian - romanisations & translations

Credits: Wikipedia entries on FTTS, Brian Joo