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) | Los Angeles (LAX) | One way I Economy | Depart 08/17/25 | from $98Fare subject to changes Updated: 1 minute ago |
| Dallas (DFW) | Miami (MIA) | One way I Economy | Depart 07/27/25 | from $68Fare subject to changes Updated: 44 minutes ago |
| Philadelphia (PHL) | Orlando (MCO) | One way I Economy | Depart 10/01/25 | from $80Fare subject to changes Updated: 17 minutes ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 08/19/25 | from $79Fare subject to changes Updated: 2 hours ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 08/13/25 | from $79Fare subject to changes Updated: 2 hours ago |
| Los Angeles (LAX) | Denver (DEN) | One way I Economy | Depart 08/26/25 | from $79Fare subject to changes Updated: 2 hours ago |
| Dallas (DFW) | Las Vegas (LAS) | One way I Economy | Depart 09/08/25 | from $80Fare subject to changes Updated: 47 minutes ago |
| Chicago (ORD) | Los Angeles (LAX) | One way I Economy | Depart 09/16/25 | from $99Fare subject to changes Updated: 26 minutes ago |
| Chicago (ORD) | Las Vegas (LAS) | One way I Economy | Depart 08/03/25 | from $80Fare subject to changes Updated: 46 minutes ago |
| New York (LGA) | Miami (MIA) | One way I Economy | Depart 09/26/25 | from $74Fare subject to changes Updated: 3 minutes ago |
| Philadelphia (PHL) | Tampa (TPA) | One way I Economy | Depart 08/30/25 | from $81Fare subject to changes Updated: 19 minutes ago |
| Philadelphia (PHL) | Tampa (TPA) | One way I Economy | Depart 08/09/25 | from $81Fare subject to changes Updated: 36 minutes ago |
| Chicago (ORD) | San Francisco (SFO) | One way I Economy | Depart 09/02/25 | from $99Fare subject to changes Updated: 12 minutes ago |
| Dallas (DFW) | Nashville (BNA) | One way I Economy | Depart 08/15/25 | from $90Fare subject to changes Updated: 28 minutes ago |
| Miami (MIA) | Boston (BOS) | One way I Economy | Depart 09/20/25 | from $79Fare subject to changes Updated: 24 minutes ago |
| Dallas (DFW) | New York/Newark (EWR) | One way I Economy | Depart 08/11/25 | from $90Fare subject to changes Updated: 16 minutes ago |
| Chicago (ORD) | Boston (BOS) | One way I Economy | Depart 08/18/25 | from $69Fare subject to changes Updated: 12 minutes ago |
| Chicago (ORD) | Philadelphia (PHL) | One way I Economy | Depart 08/09/25 | from $71Fare subject to changes Updated: 36 minutes ago |
| Boston (BOS) | Chicago (ORD) | One way I Economy | Depart 07/15/25 | from $69Fare subject to changes Updated: 35 minutes ago |
| Los Angeles (LAX) | Las Vegas (LAS) | One way I Economy | Depart 08/11/25 | from $49Fare subject to changes Updated: 34 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 |
|---|---|---|---|---|
| Chicago (ORD) | Detroit (DTW) | Round trip I Economy | 08/12/25 - 08/19/25 | from $91Fare subject to changes Updated: 1 minute ago |
| Chicago (ORD) | Saint Louis (STL) | Round trip I Economy | 08/12/25 - 08/19/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Saint Louis (STL) | Chicago (ORD) | Round trip I Economy | 09/23/25 - 09/30/25 | from $91Fare subject to changes Updated: 1 hour ago |
| Chicago (ORD) | Pittsburgh (PIT) | Round trip I Economy | 08/06/25 - 08/13/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Detroit (DTW) | Chicago (ORD) | Round trip I Economy | 09/06/25 - 09/13/25 | from $91Fare subject to changes Updated: 8 minutes ago |
| Chicago (ORD) | Grand Rapids (GRR) | Round trip I Economy | 09/02/25 - 09/09/25 | from $91Fare subject to changes Updated: 19 minutes ago |
| Grand Rapids (GRR) | Chicago (ORD) | Round trip I Economy | 08/13/25 - 08/20/25 | from $91Fare subject to changes Updated: 11 minutes ago |
| Chicago (CHI) | Pittsburgh (PIT) | Round trip I Economy | 09/17/25 - 09/24/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Chicago (CHI) | Saint Louis (STL) | Round trip I Economy | 09/13/25 - 09/20/25 | from $91Fare subject to changes Updated: 2 hours ago |
| Pittsburgh (PIT) | Chicago (CHI) | Round trip I Economy | 09/23/25 - 09/25/25 | from $94Fare subject to changes Updated: 52 minutes ago |
| Dallas (DFW) | San Antonio (SAT) | Round trip I Economy | 08/26/25 - 09/02/25 | from $97Fare subject to changes Updated: 6 minutes ago |
| Miami (MIA) | Boston (BOS) | Round trip I Economy | 09/09/25 - 09/16/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Austin (AUS) | Dallas (DFW) | Round trip I Economy | 09/04/25 - 09/11/25 | from $97Fare subject to changes Updated: 1 minute ago |
| Dallas (DFW) | Austin (AUS) | Round trip I Economy | 08/11/25 - 08/18/25 | from $97Fare subject to changes Updated: 20 minutes ago |
| Chicago (ORD) | Nashville (BNA) | Round trip I Economy | 08/14/25 - 08/21/25 | from $97Fare subject to changes Updated: 9 minutes ago |
| Dallas (DFW) | Houston (HOU) | Round trip I Economy | 08/11/25 - 08/18/25 | from $97Fare subject to changes Updated: 14 minutes ago |
| New Orleans (MSY) | Dallas (DFW) | Round trip I Economy | 08/05/25 - 08/12/25 | from $97Fare subject to changes Updated: 9 minutes ago |
| Dallas (DFW) | Midland (MAF) | Round trip I Economy | 09/09/25 - 09/16/25 | from $97Fare subject to changes Updated: 11 minutes ago |
| Chicago (ORD) | Minneapolis (MSP) | Round trip I Economy | 08/05/25 - 08/12/25 | from $97Fare subject to changes Updated: 2 hours ago |
| Tulsa (TUL) | Dallas (DFW) | Round trip I Economy | 08/04/25 - 08/11/25 | from $97Fare subject to changes Updated: 21 minutes ago |