| City served | FAA | IATA | ICAO | Airport name | Role | Enpl. |
|---|
| Commercial Service – Primary airports |
| Appleton | ATW | ATW | KATW | Appleton International Airport | P-N | 270,633 |
| Eau Claire | EAU | EAU | KEAU | Chippewa Valley Regional Airport | P-N | 21,304 |
| Green Bay | GRB | GRB | KGRB | Green Bay–Austin Straubel International Airport | P-N | 292,868 |
| La Crosse | LSE | LSE | KLSE | La Crosse Regional Airport | P-N | 94,047 |
| Madison | MSN | MSN | KMSN | Dane County Regional Airport (Truax Field) | P-S | 903,155 |
| Milwaukee | MKE | MKE | KMKE | Milwaukee Mitchell International Airport | P-M | 3,327,536 |
| Mosinee | CWA | CWA | KCWA | Central Wisconsin Airport | P-N | 119,222 |
| Rhinelander | RHI | RHI | KRHI | Rhinelander–Oneida County Airport | P-N | 20,414 |
| Reliever airports |
| Brookfield | 02C | Capitol Airport | R | 0 |
| Kenosha | ENW | ENW | KENW | Kenosha Regional Airport | R | 8 |
| Milwaukee | MWC | MWC | KMWC | Lawrence J. Timmerman Airport | R | 9 |
| Racine | RAC | RAC | KRAC | John H. Batten Airport | R | 7 |
| Waukesha | UES | UES | KUES | Waukesha County Airport (Crites Field) | R | 44 |
| West Bend | ETB | ETB | KETB | West Bend Municipal Airport | R | 5 |
| General Aviation airports |
| Amery | AHH | AHH | KAHH | Amery Municipal Airport | GA | 0 |
| Antigo | AIG | | KAIG | Langlade County Airport | GA | 3 |
| Ashland | ASX | ASX | KASX | John F. Kennedy Memorial Airport | GA | 0 |
| Baraboo / Wisconsin Dells | DLL | | KDLL | Baraboo–Wisconsin Dells Airport | GA | 4 |
| Black River Falls | BCK | | KBCK | Black River Falls Area Airport | GA | 0 |
| Boscobel | OVS | | KOVS | Boscobel Airport | GA | 0 |
| Boyceville | 3T3 | Boyceville Municipal Airport | GA | 0 |
| Burlington | BUU | | KBUU | Burlington Municipal Airport | GA | 7 |
| Cable | 3CU | Cable Union Airport | GA | 0 |
| Clintonville | CLI | CLI | KCLI | Clintonville Municipal Airport | GA | 0 |
| Crandon | Y55 | Crandon Municipal Airport | GA | 0 |
| Crivitz | 3D1 | Crivitz Municipal Airport | GA | 0 |
| Cumberland | UBE | | KUBE | Cumberland Municipal Airport | GA | 0 |
| Eagle River | EGV | EGV | KEGV | Eagle River Union Airport | GA | 57 |
| East Troy | 57C | East Troy Municipal Airport | GA | 26 |
| Ephraim | 3D2 | Ephraim–Gilbraltar Airport | GA | 0 |
| Fond du Lac | FLD | FLD | KFLD | Fond du Lac County Airport | GA | 3 |
| Fort Atkinson | 61C | Fort Atkinson Municipal Airport | GA | 0 |
| Friendship / Adams | 63C | Adams County Airport (Legion Field) | GA | 0 |
| Grantsburg | GTG | GTG | KGTG | Grantsburg Municipal Airport | GA | 0 |
| Hartford | HXF | | KHXF | Hartford Municipal Airport | GA | 0 |
| Hayward | HYR | HYR | KHYR | Sawyer County Airport | GA | 0 |
| Janesville | JVL | JVL | KJVL | Southern Wisconsin Regional Airport | GA | 326 |
| Juneau | UNU | UNU | KUNU | Dodge County Airport | GA | 0 |
| La Pointe | 4R5 | Major Gilbert Field Airport | GA | 0 |
| Ladysmith | RCX | | KRCX | Rusk County Airport | GA | 0 |
| Lancaster | 73C | Lancaster Municipal Airport | GA | 0 |
| Land O' Lakes | LNL | | KLNL | Kings Land O' Lakes Airport | GA | 1 |
| Lone Rock | LNR | LNR | KLNR | Tri-County Regional Airport | GA | 0 |
| Manitowish Waters | D25 | Manitowish Waters Airport | GA | 0 |
| Manitowoc | MTW | MTW | KMTW | Manitowoc County Airport | GA | 7 |
| Marshfield | MFI | MFI | KMFI | Marshfield Municipal Airport | GA | 0 |
| Medford | MDZ | MDF | KMDZ | Taylor County Airport | GA | 0 |
| Menomonie | LUM | | KLUM | Menomonie Municipal Airport (Score Field) | GA | 0 |
| Merrill | RRL | RRL | KRRL | Merrill Municipal Airport | GA | 0 |
| Middleton | C29 | Middleton Municipal Airport (Morey Field) | GA | 265 |
| Mineral Point | MRJ | | KMRJ | Iowa County Airport | GA | 0 |
| Minocqua / Woodruff | ARV | ARV | KARV | Lakeland Airport (Noble F. Lee Memorial Field) | GA | 2 |
| Monroe | EFT | | KEFT | Monroe Municipal Airport | GA | 0 |
| Neillsville | VIQ | | KVIQ | Neillsville Municipal Airport | GA | 0 |
| New Holstein | 8D1 | New Holstein Municipal Airport | GA | 0 |
| New Lisbon | 82C | Mauston–New Lisbon Union Airport | GA | 0 |
| New Richmond | RNH | RNH | KRNH | New Richmond Regional Airport | GA | 0 |
| Oconto | OCQ | | KOCQ | J. Douglas Bake Memorial Airport | GA | 0 |
| Osceola | OEO | OEO | KOEO | L.O. Simenstad Municipal Airport | GA | 17 |
| Oshkosh | OSH | OSH | KOSH | Wittman Regional Airport | GA | 387 |
| Palmyra | 88C | Palmyra Municipal Airport | GA | 0 |
| Park Falls | PKF | PKF | KPKF | Park Falls Municipal Airport | GA | 0 |
| Phillips | PBH | | KPBH | Price County Airport | GA | 0 |
| Platteville | PVB | | KPVB | Platteville Municipal Airport | GA | 0 |
| Portage | C47 | Portage Municipal Airport | GA | 0 |
| Prairie du Chien | PDC | PCD | KPDC | Prairie du Chien Municipal Airport | GA | 2 |
| Prairie du Sac | 91C | Sauk–Prairie Airport | GA | 0 |
| Reedsburg | C35 | Reedsburg Municipal Airport | GA | 0 |
| Rice Lake | RPD | RIE | KRPD | Rice Lake Regional Airport (Carl's Field) | GA | 0 |
| Richland Center | 93C | Richland Airport | GA | 0 |
| Shawano | EZS | | KEZS | Shawano Municipal Airport | GA | 0 |
| Sheboygan | SBM | SBM | KSBM | Sheboygan County Memorial Airport | GA | 147 |
| Shell Lake | SSQ | | KSSQ | Shell Lake Municipal Airport | GA | 0 |
| Siren | RZN | | KRZN | Burnett County Airport | GA | 0 |
| Solon Springs | OLG | | KOLG | Solon Springs Municipal Airport | GA | 0 |
| Sparta | CMY | CMY | KCMY | Sparta/Fort McCoy Airport | GA | 0 |
| Stevens Point | STE | STE | KSTE | Stevens Point Municipal Airport | GA | 9 |
| Sturgeon Bay | SUE | SUE | KSUE | Door County Cherryland Airport | GA | 7 |
| Superior | SUW | SUW | KSUW | Richard I. Bong Airport | GA | 0 |
| Tomahawk | TKV | | KTKV | Tomahawk Regional Airport | GA | 0 |
| Viroqua | Y51 | Viroqua Municipal Airport | GA | 0 |
| Washington Island | 2P2 | Washington Island Airport | GA | 0 |
| Watertown | RYV | | KRYV | Watertown Municipal Airport | GA | 0 |
| Waupaca | PCZ | | KPCZ | Waupaca Municipal Airport | GA | 0 |
| Wausau | AUW | AUW | KAUW | Wausau Downtown Airport | GA | 4 |
| Wautoma | Y50 | Wautoma Municipal Airport | GA | 0 |
| Wisconsin Rapids | ISW | ISW | KISW | South Wood County Airport (Alexander Field) | GA | 0 |
| Other public-use airports (not listed in NPIAS) |
| Barron | 9Y7 | Barron Municipal Airport |
| Beloit | 44C | Beloit Airport | |
| Boulder Junction | BDJ | | KBDJ | Boulder Junction Airport |
| Brodhead | C37 | Brodhead Airport |
| Camp Lake | 49C | Camp Lake Airport |
| Cassville | C74 | Cassville Municipal Airport |
| Chetek | Y23 | Chetek Municipal-Southworth Airport | |
| Cornell | 4WI9 | Cornell Municipal Airport (Cornell Airpark) |
| Cumberland | WN2 | Silver Lake Seaplane Base |
| Delavan | C59 | Lake Lawn Airport | |
| Drummond | 5G4 | Eau Claire Lakes Airport |
| Edgerton | 58C | Jana Airport |
| Elroy | 60C | Elroy Municipal Airport |
| Franksville | 62C | Cindy Guntly Memorial Airport |
| Madison / Cottage Grove | 87Y | Blackhawk Airfield | |
| Necedah | DAF | | KDAF | Necedah Airport |
| Neenah | 79C | Brennand Airport |
| North Cape, Town of Raymond | 84C | Valhalla Airport (Valhalla Field) |
| Oconto | 30W | Sweetwater Bay Seaplane Base |
| Prentice | 5N2 | PRW | Prentice Airport |
| Pulaski | 92C | Carter Airport |
| Rio | 94C | Gilbert Field |
| Rochester | 96C | Fox River Airport |
| Shiocton | W34 | Shiocton Airport |
| Solon Springs | SS1 | North Country Seaplane Base |
| Spooner | 1H9 | (was FAA: 9WI7)}} |
| Stoughton | 99C | Quam's Marina Seaplane Base |
| Sturtevant | C89 | Sylvania Airport |
| Suring | 7P5 | Piso Airport |
| Three Lakes | 40D | Three Lakes Municipal Airport |
| Tomah | Y72 | Bloyer Field | |
| Verona | W19 | Verona Airport |
| Walworth | 7V3 | Big Foot Airfield |
| Waunakee | 6P3 | Waunakee Airport |
| West Bend | 2T5 | Hahn Sky Ranch Airport |
| Whitewater | 5Y3 | Gutzmer's Twin Oaks Airport |
| Wild Rose | W23 | Wild Rose Idlewild Airport |
| Wilmot | 5K6 | Westosha Airport |
| Wonewoc | 4D1 | Three Castles Airpark |
| Other military airports |
| Camp Douglas | VOK | VOK | KVOK | Volk Field Air National Guard Base | 64 |
| Private-use airports (partial list) |
| Genoa City | 4WI7 | Vincent Airport |
| Oregon | WI40 | Spiegel Field |
| Oshkosh | WS17 | Pioneer Airport |
| Princeton | 1WI3 | Bed-ah-Wick Field |
| Shawano | 8WI1 | Dillenburg's Airport |
| Former airports (partial list) |
| Hillsboro | HBW | Joshua Sanford Field (Closed fall 2016[https://www.faa.gov/air_traffic/flight_info/aeronav/digital_products/dafd/search]) |
| Rice Lake | RIE | KHBW | (closed 1995) }} |