Chicago, Illinois Airport Codes

Chicago has two major airports. Airport codes are MDW (Chicago Midway International Airport), and ORD (Chicago O'Hare International Airport).

Chicago Midway International Airport

IATA code	MDW
ICAO code	KMDW

Chicago O'Hare International Airport

IATA code	ORD
ICAO code	KORD

Airport codes for other cities in United States

City
Aberdeen, SD
Abilene, TX
Adak Island, AK
Akhiok, AK
Akron, OH
Akutan, AK
Alamogordo, NM
Alamosa, CO
Albany, NY
Albany, GA
Albuquerque, NM
Aleknagik, AK
Alexandria, LA
Allakaket, AK
Allentown, PA
Alliance, NE
Alpena, MI
Altoona, PA
Amarillo, TX
Ambler, AK
Anaktuvuk Pass, AK
Anchorage, AK
Aniak, AK
Annette, AK
Anvik, AK
Appleton, WI
Arcata, CA
Arctic Village, AK
Asheville, NC
Ashtabula, OH
Aspen, CO
Athens, GA
Atlanta, GA
Atlantic City, NJ
Atqasuk, AK
Augusta, ME
Augusta, GA
Austin, TX
Bakersfield, CA
Baltimore, MD
Bangor, ME
Bar Harbor, ME
Barrow, AK
Barter Island, AK
Baton Rouge, LA
Beatrice, NE
Beaumont, TX
Beckley, WV
Bedford, MA
Belleville, IL
Bellingham, WA
Bethel, AK
Bettles, AK
Billings, MT
Binghamton, NY
Birmingham, AL
Bishop, CA
Bismarck, ND
Block Island, RI
Bloomington, IL
Blountville, TN
Bluefield, WV
Boise, ID
Boston, MA
Bozeman, MT
Bradford, PA
Brainerd, MN
Branson, MO
Brevig Mission, AK
Bridgeport, CT
Brookings, SD
Broomfield, CO
Brownsville, TX
Brunswick, GA
Buckland, AK
Buffalo, NY
Bullhead City, AZ
Burbank, CA
Burlington, IA
Burlington, VT
Butte, MT
Cape Girardeau, MO
Cape Lisburne, AK
Carlsbad, CA
Carlsbad, NM
Casper, WY
Cedar City, UT
Cedar Rapids, IA
Chadron, NE
Chalkyitsik, AK
Champaign, IL
Charleston, SC
Charleston, WV
Charlotte, NC
Charlottesville, VA
Chattanooga, TN
Chevak, AK
Cheyenne, WY
Chicago, IL
Chisana, AK
Chuathbaluk, AK
Cincinnati, OH
Clarksburg, WV
Cleveland, OH
Clovis, NM
Cody, WY
Cold Bay, AK
College Station, TX
Colorado Springs, CO
Columbia, SC
Columbia, MO
Columbus, GA
Columbus, OH
Concord, NC
Cordova, AK
Corpus Christi, TX
Cortez, CO
Crescent City, CA
Dallas, TX
Dayton, OH
Daytona Beach, FL
Deadhorse, AK
Decatur, IL
Deering, AK
Denver, CO
Des Moines, IA
Destin, FL
Detroit, MI
Devils Lake, ND
Dickinson, ND
Dillingham, AK
Dodge City, KS
Dothan, AL
Dubois, PA
Dubuque, IA
Duluth, MN
Durango, CO
Eagle, CO
Eastsound, WA
Eau Claire, WI
Egegik, AK
El Dorado, AR
El Paso, TX
Elim, AK
Elko, NV
Elmira, NY
Emmonak, AK
Erie, PA
Escanaba, MI
Eugene, OR
Evansville, IN
Everett, WA
Fairbanks, AK
Fargo, ND
Fayetteville, NC
Flagstaff, AZ
Flint, MI
Florence, SC
Fort Dodge, IA
Fort Hood, TX
Fort Lauderdale, FL
Fort Leonard Wood, MO
Fort Myers, FL
Fort Smith, AR
Fort Wayne, IN
Fort Yukon, AK
Fresno, CA
Friday Harbor, WA
Gainesville, FL
Galena, AK
Gallup, NM
Gambell, AK
Garden City, KS
Gillette, WY
Glasgow, MT
Glendive, MT
Golovin, AK
Grand Canyon, AZ
Grand Forks, ND
Grand Island, NE
Grand Junction, CO
Grand Rapids, MI
Grayling, AK
Great Falls, MT
Green Bay, WI
Greensboro, NC
Greenville, NC
Greenville, SC
Greenville, MS
Gulfport, MS
Gunnison, CO
Gustavus, AK
Hagerstown, MD
Hailey, ID
Haines, AK
Hana, HI
Hancock, MI
Harlingen, TX
Harrisburg, PA
Harrison, AR
Hattiesburg, MS
Havre, MT
Hawthorne, CA
Hayden, CO
Hays, KS
Hebron, KY
Helena, MT
Hibbing, MN
Highfill, AR
Hilo, HI
Hilton Head Island, SC
Hobbs, NM
Holy Cross, AK
Homer, AK
Honolulu, HI
Hoonah, AK
Hot Springs, AR
Houston, TX
Hughes, AK
Huntington, WV
Huntsville, AL
Huron, SD
Huslia, AK
Hyannis, MA
Idaho Falls, ID
Iliamna, AK
Imperial, CA
Indianapolis, IN
International Falls, MN
Ironwood, MI
Islip, NY
Ithaca, NY
Jackson, MS
Jackson, WY
Jackson, TN
Jacksonville, NC
Jacksonville, FL
Jamestown, ND
Johnstown, PA
Jonesboro, AR
Joplin, MO
Juneau, AK
Kahului, HI
Kalamazoo, MI
Kalaupapa, HI
Kalispell, MT
Kalskag, AK
Kaltag, AK
Kamuela, HI
Kansas City, MO
Karluk, AK
Kearney, NE
Kenai, AK
Ketchikan, AK
Key West, FL
Kiana, AK
King Salmon, AK
Kingman, AZ
Kingsford, MI
Kirksville, MO
Kivalina, AK
Klamath Falls, OR
Klawock, AK
Knoxville, TN
Kobuk, AK
Kodiak, AK
Kokhanok, AK
Koliganek, AK
Kona, HI
Kotzebue, AK
Koyuk, AK
Koyukuk, AK
La Crosse, WI
Lafayette, LA
Lahaina, HI
Lake Charles, LA
Lake Havasu City, AZ
Lakeland, FL
Lanai City, HI
Lancaster, PA
Lansing, MI
Laramie, WY
Laredo, TX
Larsen Bay, AK
Las Cruces, NM
Las Vegas, NV
Latrobe, PA
Lawton, OK
Lebanon, NH
Lewisburg, WV
Lewiston, ID
Lewistown, MT
Lexington, KY
Liberal, KS
Lihue, HI
Lincoln, NE
Little Rock, AR
Long Beach, CA
Longview, TX
Lopez, WA
Los Angeles, CA
Louisville, KY
Lowndes County, MS
Lubbock, TX
Lynchburg, VA
Macon, GA
Madison, MS
Madison, WI
Mammoth Lakes, CA
Manchester, NH
Manhattan, KS
Manistee, MI
Marion, IL
Marquette, MI
Marshall, AK
Martha's Vineyard, MA
Mason City, IA
Massena, NY
May Creek, AK
Mc Allen, TX
McCook, NE
McGrath, AK
Medford, OR
Melbourne, FL
Memphis, TN
Merced, CA
Meridian, MS
Mesa, AZ
Miami, FL
Midland, TX
Miles City, MT
Milwaukee, WI
Minchumina, AK
Minneapolis, MN
Minot, ND
Missoula, MT
Moab, UT
Mobile, AL
Modesto, CA
Moline, IL
Molokai, HI
Monroe, LA
Monterey, CA
Montgomery, AL
Montrose, CO
Morgantown, WV
Mosinee, WI
Mountain Village, AK
Muscle Shoals, AL
Muskegon, MI
Myrtle Beach, SC
Nantucket, MA
Nashville, TN
New Bedford, MA
New Bern, NC
New Haven, CT
New Orleans, LA
New York, NY
Newark, NJ
Newburgh, NY
Newport News, VA
Niagara Falls, NY
Noatak, AK
Nome, AK
Noorvik, AK
Norfolk, VA
North Bend, OR
North Platte, NE
Northway, AK
Nuiqsut, AK
Nulato, AK
Nunapitchuk, AK
Oakland, CA
Ogden, UT
Ogdensburg, NY
Oklahoma City, OK
Omaha, NE
Ontario, CA
Orlando, FL
Owensboro, KY
Paducah, KY
Page, AZ
Palm Springs, CA
Palmdale, CA
Panama City Beach, FL
Parkersburg, WV
Pasco, WA
Pellston, MI
Pendleton, OR
Pensacola, FL
Peoria, IL
Petersburg, AK
Philadelphia, PA
Phoenix, AZ
Pierre, SD
Pittsburgh, PA
Plattsburgh, NY
Pocatello, ID
Point Hope, AK
Point Lay, AK
Port Alsworth, AK
Port Angeles, WA
Portland, ME
Portland, OR
Portsmouth, NH
Prescott, AZ
Presque Isle, ME
Providence, RI
Provo, UT
Pueblo, CO
Pullman, WA
Punta Gorda, FL
Quincy, IL
Quinhagak, AK
Raleigh, NC
Rapid City, SD
Reading, PA
Redding, CA
Redmond, OR
Reno, NV
Rhinelander, WI
Richmond, VA
Riverton, WY
Roanoke, VA
Rochester, MN
Rochester, NY
Rock Springs, WY
Rockford, IL
Rockland, ME
Roswell, NM
Ruby, AK
Rutland, VT
Sacramento, CA
Saginaw, MI
Salem, OR
Salina, KS
Salisbury, MD
Salt Lake City, UT
San Angelo, TX
San Antonio, TX
San Bernardino, CA
San Diego, CA
San Francisco, CA
San Jose, CA
San Luis Obispo, CA
Sand Point, AK
Santa Ana, CA
Santa Barbara, CA
Santa Fe, NM
Santa Maria, CA
Santa Rosa, CA
Saranac Lake, NY
Sarasota, FL
Sault Ste Marie, MI
Savannah, GA
Savoonga, AK
Scottsbluff, NE
Seattle, WA
Selawik, AK
Shaktoolik, AK
Sheridan, WY
Shishmaref, AK
Show Low, AZ
Shreveport, LA
Shungnak, AK
Sidney, MT
Sierra Vista, AZ
Silver City, NM
Sioux City, IA
Sioux Falls, SD
Sitka, AK
Skagway, AK
South Bend, IN
Spokane, WA
Springfield, IL
Springfield, MO
St Augustine, FL
St Cloud, MN
St George, UT
St Louis, MO
St Mary's, AK
St Michael, AK
St Petersburg, FL
St. George Island, AK
St. Paul Island, AK
State College, PA
Staunton, VA
Stillwater, OK
Stockton, CA
Syracuse, NY
Takotna, AK
Tallahassee, FL
Tampa, FL
Tanana, AK
Tatitlek, AK
Teller, AK
Telluride, CO
Teterboro, NJ
Texarkana, AR
Thief River Falls, MN
Tin City, AK
Tok, AK
Toledo, OH
Traverse City, MI
Trenton, NJ
Tucson, AZ
Tulsa, OK
Tupelo, MS
Twin Falls, ID
Tyler, TX
Unalakleet, AK
Unalaska, AK
Valdez, AK
Valdosta, GA
Valparaiso, FL
Venetie, AK
Vernal, UT
Victoria, TX
Waco, TX
Wainwright, AK
Wales, AK
Walla Walla, WA
Washington D.C., DC
Waterloo, IA
Watertown, SD
Watertown, NY
Wenatchee, WA
West Lafayette, IN
West Palm Beach, FL
West Yellowstone, MT
Westerly, RI
White Mountain, AK
White Plains, NY
Wichita, KS
Wichita Falls, TX
Wilkes-Barre, PA
Williamsport, PA
Williston, ND
Wilmington, DE
Wilmington, NC
Windsor Locks, CT
Wolf Point, MT
Worcester, MA
Worland, WY
Wrangell, AK
Yakataga, AK
Yakima, WA
Yakutat, AK
Yuma, AZ