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 |
|---|---|---|---|---|
| Phoenix (PHX) | Miami (MIA) | One way I Economy | Depart 10/15/25 | from $80Fare subject to changes Updated: 1 hour ago |
| Phoenix (PHX) | Miami (MIA) | One way I Economy | Depart 11/06/25 | from $94Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | Miami (MIA) | One way I Economy | Depart 11/16/25 | from $73Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | Miami (MIA) | One way I Economy | Depart 10/25/25 | from $80Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Miami (MIA) | One way I Economy | Depart 11/01/25 | from $80Fare subject to changes Updated: 1 hour ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 10/07/25 | from $73Fare subject to changes Updated: 7 minutes ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 11/24/25 | from $73Fare subject to changes Updated: 35 minutes ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 11/15/25 | from $80Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | Orlando (MCO) | One way I Economy | Depart 10/07/25 | from $73Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | Chicago (ORD) | One way I Economy | Depart 11/04/25 | from $64Fare subject to changes Updated: 17 minutes ago |
| Dallas (DFW) | Chicago (ORD) | One way I Economy | Depart 09/30/25 | from $64Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Chicago (ORD) | One way I Economy | Depart 10/19/25 | from $83Fare subject to changes Updated: 22 minutes ago |
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 10/30/25 | from $79Fare subject to changes Updated: 1 hour ago |
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 10/11/25 | from $89Fare subject to changes Updated: 39 minutes ago |
| Dallas (DFW) | Denver (DEN) | One way I Economy | Depart 11/13/25 | from $75Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Denver (DEN) | One way I Economy | Depart 11/09/25 | from $75Fare subject to changes Updated: 16 minutes ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 10/01/25 | from $59Fare subject to changes Updated: 1 hour ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 10/23/25 | from $75Fare subject to changes Updated: 13 minutes ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 10/24/25 | from $83Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Phoenix (PHX) | One way I Economy | Depart 10/21/25 | from $75Fare subject to changes Updated: 1 minute 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.
Round trip flights under $100
From | To | Fare type | Travel dates | Price |
|---|---|---|---|---|
| Phoenix (PHX) | San Diego (SAN) | Round trip I Economy | 12/03/25 - 12/10/25 | from $91Fare subject to changes Updated: 41 minutes ago |
| Las Vegas (LAS) | Los Angeles (LAX) | Round trip I Economy | 11/04/25 - 11/11/25 | from $91Fare subject to changes Updated: 42 minutes ago |
| San Diego (SAN) | Phoenix (PHX) | Round trip I Economy | 10/11/25 - 10/18/25 | from $91Fare subject to changes Updated: 1 hour ago |
| Los Angeles (LAX) | Las Vegas (LAS) | Round trip I Economy | 10/07/25 - 10/09/25 | from $94Fare subject to changes Updated: 51 minutes ago |
| Los Angeles (LAX) | San Francisco (SFO) | Round trip I Economy | 11/10/25 - 11/17/25 | from $97Fare subject to changes Updated: 37 minutes ago |
| San Francisco (SFO) | Los Angeles (LAX) | Round trip I Economy | 11/10/25 - 11/17/25 | from $97Fare subject to changes Updated: 49 minutes ago |
| Chicago (ORD) | Indianapolis (IND) | Round trip I Economy | 11/04/25 - 11/11/25 | from $99Fare subject to changes Updated: 46 minutes ago |
| Indianapolis (IND) | Chicago (ORD) | Round trip I Economy | 11/15/25 - 11/22/25 | from $99Fare subject to changes Updated: 34 minutes ago |