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 |
|---|---|---|---|---|
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 07/29/25 | from $89Fare subject to changes Updated: 2 hours ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 08/16/25 | from $81Fare subject to changes Updated: 1 hour ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 09/01/25 | from $81Fare subject to changes Updated: 12 minutes ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 07/29/25 | from $90Fare subject to changes Updated: 40 minutes ago |
| Chicago (ORD) | Dallas (DFW) | One way I Economy | Depart 08/30/25 | from $79Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Dallas (DFW) | One way I Economy | Depart 09/05/25 | from $99Fare subject to changes Updated: 1 hour ago |
| Washington, D.C. (DCA) | Miami (MIA) | One way I Economy | Depart 07/06/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 07/28/25 | from $80Fare subject to changes Updated: 38 minutes ago |
| Washington, D.C. (DCA) | Miami (MIA) | One way I Economy | Depart 07/21/25 | from $91Fare subject to changes Updated: 44 minutes ago |
| Chicago (ORD) | San Francisco (SFO) | One way I Economy | Depart 09/06/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Charlotte (CLT) | Denver (DEN) | One way I Economy | Depart 09/06/25 | from $89Fare subject to changes Updated: 1 hour ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 07/10/25 | from $74Fare subject to changes Updated: 50 minutes ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 09/14/25 | from $99Fare subject to changes Updated: 1 hour ago |
| Phoenix (PHX) | Las Vegas (LAS) | One way I Economy | Depart 08/03/25 | from $77Fare subject to changes Updated: 2 hours ago |
| Miami (MIA) | Boston (BOS) | One way I Economy | Depart 06/30/25 | from $90Fare subject to changes Updated: 1 hour ago |
| Philadelphia (PHL) | Nashville (BNA) | One way I Economy | Depart 08/15/25 | from $78Fare subject to changes Updated: 2 hours ago |
| Phoenix (PHX) | San Diego (SAN) | One way I Economy | Depart 06/30/25 | from $90Fare subject to changes Updated: 4 minutes ago |
| Phoenix (PHX) | San Diego (SAN) | One way I Economy | Depart 07/25/25 | from $99Fare subject to changes Updated: 1 hour ago |
| Chicago (ORD) | Boston (BOS) | One way I Economy | Depart 08/16/25 | from $93Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | San Francisco (SFO) | One way I Economy | Depart 09/03/25 | from $99Fare subject to changes Updated: 2 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.
Round trip flights under $100
From | To | Fare type | Travel dates | Price |
|---|---|---|---|---|
| Los Angeles (LAX) | Las Vegas (LAS) | Round trip I Economy | 08/05/25 - 08/12/25 | from $91Fare subject to changes Updated: 8 minutes ago |
| Orlando (MCO) | Miami (MIA) | Round trip I Economy | 09/02/25 - 09/09/25 | from $91Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | New Orleans (MSY) | Round trip I Economy | 09/08/25 - 09/15/25 | from $91Fare subject to changes Updated: 16 minutes ago |
| Dallas (DFW) | San Antonio (SAT) | Round trip I Economy | 08/19/25 - 08/26/25 | from $91Fare subject to changes Updated: 21 minutes ago |
| Dallas (DFW) | Houston (IAH) | Round trip I Economy | 08/06/25 - 08/13/25 | from $91Fare subject to changes Updated: 21 minutes ago |
| Phoenix (PHX) | Ontario (ONT) | Round trip I Economy | 09/09/25 - 09/16/25 | from $91Fare subject to changes Updated: 3 minutes ago |
| Chicago (ORD) | Nashville (BNA) | Round trip I Economy | 09/03/25 - 09/10/25 | from $91Fare subject to changes Updated: 18 minutes ago |
| San Antonio (SAT) | Dallas (DFW) | Round trip I Economy | 09/03/25 - 09/10/25 | from $91Fare subject to changes Updated: 10 minutes ago |
| Miami (MIA) | Orlando (MCO) | Round trip I Economy | 08/04/25 - 08/11/25 | from $91Fare subject to changes Updated: 10 minutes ago |
| Dallas (DFW) | Houston (HOU) | Round trip I Economy | 08/19/25 - 08/26/25 | from $91Fare subject to changes Updated: 28 minutes ago |
| Chicago (ORD) | Minneapolis (MSP) | Round trip I Economy | 09/02/25 - 09/09/25 | from $91Fare subject to changes Updated: 9 minutes ago |
| New Orleans (MSY) | Dallas (DFW) | Round trip I Economy | 08/06/25 - 08/13/25 | from $91Fare subject to changes Updated: 26 minutes ago |
| Nashville (BNA) | Chicago (ORD) | Round trip I Economy | 08/06/25 - 08/13/25 | from $91Fare subject to changes Updated: 2 minutes ago |
| Pittsburgh (PIT) | Chicago (ORD) | Round trip I Economy | 09/02/25 - 09/09/25 | from $91Fare subject to changes Updated: 21 minutes ago |
| Dallas (DFW) | Tulsa (TUL) | Round trip I Economy | 08/04/25 - 08/11/25 | from $91Fare subject to changes Updated: 19 minutes ago |
| Chicago (ORD) | Saint Louis (STL) | Round trip I Economy | 08/06/25 - 08/13/25 | from $91Fare subject to changes Updated: 21 minutes ago |
| Tulsa (TUL) | Dallas (DFW) | Round trip I Economy | 08/18/25 - 08/25/25 | from $91Fare subject to changes Updated: 35 minutes ago |
| Houston (HOU) | Dallas (DFW) | Round trip I Economy | 09/08/25 - 09/15/25 | from $91Fare subject to changes Updated: 23 minutes ago |
| Dallas (DFW) | Amarillo (AMA) | Round trip I Economy | 09/03/25 - 09/10/25 | from $91Fare subject to changes Updated: 17 minutes ago |
| Chicago (ORD) | Detroit (DTW) | Round trip I Economy | 08/07/25 - 08/14/25 | from $91Fare subject to changes Updated: 11 minutes ago |