Usually when the major airlines lower prices significantly (airfare sales), they tend to highlight the large hubs and most popular destinations they’re offering deals for. It’s rare that our airfare processing system notes new airfare deals to some of the “really” small airports out there. It was fun to see on Halloween that United Airlines has seen the light (or the darkness as it were) and has offered savings ranging from $20 to $300 on new 21-day advance tickets to/from some of the smallest airports in the U.S:

In fact, you can use the airport codes below for your next game of trivial pursuit to amaze your friends and family. Here’s a list of the airports codes and their locations, so you’ll have a better idea of where you can take advantage of United’s reduced airfares.

• ABR - Aberdeen, SD
• AIA - Alliance, NE
• ALS - Alamosa, CO
• BFF - Scotts Bluff, NE
• BKX - Brookings, SD
• BMI - Bloomington, IL
• CDR - Chadron, NE
• CYS - Cheyanne, WY
• DDC - Dodge City, KS
• DIK - Dickinson, ND
• EAR - Kearney, NE
• GCC - Gilette, WY
• GCK - Garden City, KS
• HON– Huron, SD
• HYS - Hays, KS
• ISN — Sloulin Field Intl: Williston, ND
• LAR - Laramie, WY
• LBF - Lee Bird Field: North Platte, NE
• LBL - Liberal, KS
• MLI - Moline/Quad Cities, IL
• PIA - Peoria/Bloomington, IL
• PIR - Pierre, SD
• RIW - Riverton, WY
• RKS - Rock Springs, WY
• SBN - South Bend, IN
• SHR - Sheridan, WY
• TEX - Telluride, CO
• WRL - Worland, WY
• BFL - Bakersfield, CA
• IYK - Inykern, CA
• OXR - Oxnard, CA
• PMD - Palmdale/Lancaster, CA
• PSP - Palm Springs, CA
• SBP - San Luis Obispo, CA
• SMX - Santa Maria, CA
• PUB - Pueblo, CO