Flights under $100 | Start your search now
Flights under $100
Plan a long weekend getaway or visit your loved ones with fares to U.S. destinations for under $100. Explore our great fares and book today.
One-way flight deals under $100
From | To | Fare type | Travel dates | Price |
|---|---|---|---|---|
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 01/10/26 | from $79Fare subject to changes Updated: 54 minutes ago |
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 01/07/26 | from $79Fare subject to changes Updated: 23 minutes ago |
| Dallas (DFW) | Amarillo (AMA) | One way I Economy | Depart 11/27/25 | from $49Fare subject to changes Updated: 26 minutes ago |
| Dallas (DFW) | Amarillo (AMA) | One way I Economy | Depart 12/16/25 | from $50Fare subject to changes Updated: 45 minutes ago |
| Dallas (DFW) | Amarillo (AMA) | One way I Economy | Depart 12/17/25 | from $50Fare subject to changes Updated: 1 hour ago |
| Washington, D.C. (DCA) | Miami (MIA) | One way I Economy | Depart 11/25/25 | from $75Fare subject to changes Updated: 2 hours ago |
| New York (JFK) | Miami (MIA) | One way I Economy | Depart 12/10/25 | from $64Fare subject to changes Updated: 2 hours ago |
| New York (JFK) | Miami (MIA) | One way I Economy | Depart 12/08/25 | from $64Fare subject to changes Updated: 2 hours ago |
| New York (JFK) | Miami (MIA) | One way I Economy | Depart 02/02/26 | from $74Fare subject to changes Updated: 1 hour ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 11/26/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Fort Myers (RSW) | One way I Economy | Depart 01/07/26 | from $85Fare subject to changes Updated: 2 hours ago |
| Phoenix (PHX) | San Francisco (SFO) | One way I Economy | Depart 12/14/25 | from $82Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Washington, D.C. (DCA) | One way I Economy | Depart 11/24/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Charlotte (CLT) | One way I Economy | Depart 01/30/26 | from $89Fare subject to changes Updated: 39 minutes ago |
| Chicago (ORD) | San Diego (SAN) | One way I Economy | Depart 01/16/26 | from $89Fare subject to changes Updated: 49 minutes ago |
| Washington, D.C. (DCA) | Orlando (MCO) | One way I Economy | Depart 11/15/25 | from $98Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Salt Lake City (SLC) | One way I Economy | Depart 12/07/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Los Angeles (LAX) | Las Vegas (LAS) | One way I Economy | Depart 12/21/25 | from $59Fare subject to changes Updated: 3 minutes ago |
| Miami (MIA) | New York (JFK) | One way I Economy | Depart 12/09/25 | from $64Fare subject to changes Updated: 36 minutes ago |
| Miami (MIA) | New York (JFK) | One way I Economy | Depart 01/24/26 | from $74Fare subject to changes Updated: 28 minutes ago |
*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.
