| | Airport Code | City | State/Region | Country | Airport Name | | FLR | Florence | | Italy | |
| FMA | Formosa | Formosa | Argentina | Formosa |
| FMN | Farmington | NM | USA | Four Corners Regional Airport |
| FMO | Muenster | | Germany | Muenster |
| FNC | Funchal | Madeira Islands | Portugal | Funchal |
| FNL | Fort Collins/Loveland | CO | USA | Fort Collins / Loveland Airport |
| FNT | Flint | MI | USA | Bishop Int'l Airport |
| FOD | Fort Dodge | IA | USA | Fort Dodge Regional Airport |
| FOE | Topeka | KS | USA | Forbes Field |
| FOR | Fortaleza | Ceara | Brazil | Fortaleza |
| FPO | Freeport | | Bahamas | Freeport Intl Airport |
| FRA | Frankfurt | | Germany | Frankfurt International |
| FRD | Friday Harbor | WA | USA | Friday Harbor Airport |
| FRM | Fairmont | MN | USA | Fairmont Municipal |
| FRO | Floro | | Norway | Floro |
| FRS | Flores | | Guatemala | Flores |
| FRU | Bishkek | | Kyrgyzstan | Bishkek Airport |
| FSD | Sioux Falls | SD | USA | Joe Foss Field |
| FSM | Fort Smith | AR | USA | Fort Smith Municipal |
| FSP | St Pierre | | St. Pierre And Miquelon | |
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