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 |
|---|---|---|---|---|
| Dallas (DFW) | New York (LGA) | One way I Economy | Depart 07/02/25 | from $90Fare subject to changes Updated: 13 minutes ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 08/15/25 | from $99Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | Denver (DEN) | One way I Economy | Depart 07/26/25 | from $79Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Denver (DEN) | One way I Economy | Depart 07/16/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 08/09/25 | from $80Fare subject to changes Updated: 38 minutes ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 07/29/25 | from $90Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | Denver (DEN) | One way I Economy | Depart 07/05/25 | from $94Fare subject to changes Updated: 38 minutes ago |
| Chicago (ORD) | Los Angeles (LAX) | One way I Economy | Depart 08/20/25 | from $99Fare subject to changes Updated: 1 hour ago |
| Washington, D.C. (DCA) | Miami (MIA) | One way I Economy | Depart 07/13/25 | from $91Fare subject to changes Updated: 1 hour ago |
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 09/18/25 | from $69Fare subject to changes Updated: 15 minutes ago |
| Chicago (ORD) | Miami (MIA) | One way I Economy | Depart 08/20/25 | from $69Fare subject to changes Updated: 52 minutes ago |
| Los Angeles (LAX) | Dallas (DFW) | One way I Economy | Depart 08/10/25 | from $98Fare subject to changes Updated: 1 hour ago |
| Los Angeles (LAX) | Dallas (DFW) | One way I Economy | Depart 08/02/25 | from $98Fare subject to changes Updated: 1 hour ago |
| Chicago (ORD) | Dallas (DFW) | One way I Economy | Depart 09/04/25 | from $79Fare subject to changes Updated: 2 hours ago |
| Philadelphia (PHL) | Tampa (TPA) | One way I Economy | Depart 09/13/25 | from $81Fare subject to changes Updated: 2 hours ago |
| New York (LGA) | Miami (MIA) | One way I Economy | Depart 08/12/25 | from $74Fare subject to changes Updated: 1 hour ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 07/23/25 | from $74Fare subject to changes Updated: 1 hour ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 07/11/25 | from $74Fare subject to changes Updated: 42 minutes ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 07/12/25 | from $74Fare subject to changes Updated: 1 hour ago |
| Washington, D.C. (DCA) | Miami (MIA) | One way I Economy | Depart 08/02/25 | from $84Fare subject to changes Updated: 1 hour 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 |
|---|---|---|---|---|
| Saint Louis (STL) | Chicago (ORD) | Round trip I Economy | 08/13/25 - 08/20/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Saint Louis (STL) | Round trip I Economy | 08/06/25 - 08/13/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Pittsburgh (PIT) | Round trip I Economy | 08/16/25 - 08/23/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Chicago (CHI) | Pittsburgh (PIT) | Round trip I Economy | 09/02/25 - 09/09/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Grand Rapids (GRR) | Chicago (ORD) | Round trip I Economy | 09/03/25 - 09/10/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Grand Rapids (GRR) | Round trip I Economy | 09/02/25 - 09/09/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Saint Louis (STL) | Chicago (CHI) | Round trip I Economy | 09/10/25 - 09/17/25 | from $91Fare subject to changes Updated: 1 hour ago |
| Pittsburgh (PIT) | Chicago (CHI) | Round trip I Economy | 09/16/25 - 09/23/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Chicago (CHI) | Saint Louis (STL) | Round trip I Economy | 08/26/25 - 09/02/25 | from $91Fare subject to changes Updated: 1 hour ago |
| Miami (MIA) | Boston (BOS) | Round trip I Economy | 09/16/25 - 09/23/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Boston (BOS) | Miami (MIA) | Round trip I Economy | 09/03/25 - 09/10/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | New Orleans (MSY) | Round trip I Economy | 09/08/25 - 09/15/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Orlando (MCO) | Miami (MIA) | Round trip I Economy | 09/08/25 - 09/15/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | San Antonio (SAT) | Round trip I Economy | 09/03/25 - 09/10/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Austin (AUS) | Dallas (DFW) | Round trip I Economy | 09/02/25 - 09/09/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Nashville (BNA) | Round trip I Economy | 09/03/25 - 09/10/25 | from $97Fare subject to changes Updated: 2 hours ago |
| San Antonio (SAT) | Dallas (DFW) | Round trip I Economy | 09/02/25 - 09/09/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Phoenix (PHX) | Ontario (ONT) | Round trip I Economy | 09/09/25 - 09/16/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Minneapolis (MSP) | Round trip I Economy | 09/03/25 - 09/10/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Nashville (BNA) | Chicago (ORD) | Round trip I Economy | 09/02/25 - 09/09/25 | from $97Fare subject to changes Updated: 2 hours ago |