The following airlines serve Orlando International Airport.

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- No
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 800-474-7424

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-237-6639

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-247-2262

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-247-2262

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- No
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 877-872-6728

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 100-129
- Curbside Check-In:
- No
- Phone:
- 800-252-7522

- Terminal:
- B
- Security Checkpoint:
- 1-59
- TSA PreCheck:
- Yes
- Gates:
- 30-59
- Curbside Check-In:
- Yes
- Phone:
- 800-433-7300

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- Gates 100-129
- Curbside Check-In:
- No
- Phone:
- 346-616-9500

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-284-2622

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 888-587-2985

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- No
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-222-4262

- Terminal:
- A
- Security Checkpoint:
- 1-59
- TSA PreCheck:
- No
- Gates:
- Gates 30-59
- Curbside Check-In:
- No
- Phone:
- 501-273-3931

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 800-247-9297

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- No
- Gates:
- C230-C245
- Curbside Check-In:
- No
- Phone:
- 800-920-4225

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-359-2672

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- Yes
- Phone:
- 800-221-1212

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 800-777-3999

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 833-272-1446

- Terminal:
- A
- Security Checkpoint:
- 1-59
- TSA PreCheck:
- Yes
- Gates:
- 1-29 & 70-99
- Curbside Check-In:
- No
- Phone:
- 801-401-9000

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- No
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 855-862-9190

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 800-223-5500

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C230-C245
- Curbside Check-In:
- No
- Phone:
- 800-538-2583
- Terminal:
- Signature Flight Support
- Security Checkpoint:
- N/A
- TSA PreCheck:
- No
- Gates:
- N/A
- Curbside Check-In:
- No
- Phone:
- 800-435-9579

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 866-435-9526

- Terminal:
- See Eurowings Discover
- Security Checkpoint:
- See Eurowings Discover
- TSA PreCheck:
- Yes
- Gates:
- See Eurowings Discover
- Curbside Check-In:
- No
- Phone:
- 800-645-3880

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- No
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 877-897-LYNX (5969)

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- No
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- N/A

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- No
- Gates:
- C230-C245
- Curbside Check-In:
- No
- Phone:
- 531-289-3903

- Terminal:
- B
- Security Checkpoint:
- 1-59
- TSA PreCheck:
- Yes
- Gates:
- 1-29
- Curbside Check-In:
- No
- Phone:
- 801-401-9100

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 100-129
- Curbside Check-In:
- Yes
- Phone:
- 800-435-9792

- Terminal:
- A (International, FL & PR), B (Other Domestic)
- Security Checkpoint:
- 1-59
- TSA PreCheck:
- Yes
- Gates:
- 1-29
- Curbside Check-In:
- No
- Phone:
- 801-401-2222

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 651-905-2737

- Terminal:
- C
- Security Checkpoint:
- C230-C245
- TSA PreCheck:
- Yes
- Gates:
- C240-C245
- Curbside Check-In:
- No
- Phone:
- 800-761-1711

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 587-441-1001

- Terminal:
- B
- Security Checkpoint:
- 1-59
- TSA PreCheck:
- Yes
- Gates:
- 30-59
- Curbside Check-In:
- Yes
- Phone:
- 800-241-6522

- Terminal:
- A
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 800-862-8621

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 866-988-3527

- Terminal:
- B
- Security Checkpoint:
- 70-129
- TSA PreCheck:
- Yes
- Gates:
- 70-99
- Curbside Check-In:
- No
- Phone:
- 888-937-8538