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) | Amarillo (AMA) | One way I Economy | Depart 10/31/25 | from $46Fare subject to changes Updated: 25 minutes ago |
| Dallas (DFW) | Amarillo (AMA) | One way I Economy | Depart 11/13/25 | from $69Fare subject to changes Updated: 27 minutes ago |
| Dallas (DFW) | Amarillo (AMA) | One way I Economy | Depart 11/12/25 | from $69Fare subject to changes Updated: 1 hour ago |
| Dallas (DFW) | San Francisco (SFO) | One way I Economy | Depart 10/25/25 | from $90Fare subject to changes Updated: 54 minutes ago |
| Chicago (ORD) | Dallas (DFW) | One way I Economy | Depart 12/09/25 | from $79Fare subject to changes Updated: 51 minutes ago |
| Chicago (ORD) | Los Angeles (LAX) | One way I Economy | Depart 11/02/25 | from $90Fare subject to changes Updated: 20 minutes ago |
| Miami (MIA) | New York (LGA) | One way I Economy | Depart 10/17/25 | from $99Fare subject to changes Updated: 51 minutes ago |
| Dallas (DFW) | Fort Lauderdale (FLL) | One way I Economy | Depart 11/11/25 | from $80Fare subject to changes Updated: 36 minutes ago |
| New York (NYC) | Miami (MIA) | One way I Economy | Depart 10/18/25 | from $74Fare subject to changes Updated: 2 hours ago |
| New York (NYC) | Miami (MIA) | One way I Economy | Depart 10/25/25 | from $74Fare subject to changes Updated: 37 minutes ago |
| Miami (MIA) | New York (NYC) | One way I Economy | Depart 11/26/25 | from $74Fare subject to changes Updated: 1 hour ago |
| Miami (MIA) | New York (NYC) | One way I Economy | Depart 12/04/25 | from $74Fare subject to changes Updated: 1 hour ago |
| Las Vegas (LAS) | Dallas (DFW) | One way I Economy | Depart 11/12/25 | from $66Fare subject to changes Updated: 1 hour ago |
| San Francisco (SFO) | Dallas (DFW) | One way I Economy | Depart 11/08/25 | from $80Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | San Diego (SAN) | One way I Economy | Depart 10/26/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | San Diego (SAN) | One way I Economy | Depart 12/05/25 | from $99Fare subject to changes Updated: 2 hours ago |
| Chicago (ORD) | Charlotte (CLT) | One way I Economy | Depart 12/25/25 | from $69Fare subject to changes Updated: 22 minutes ago |
| Chicago (ORD) | Charlotte (CLT) | One way I Economy | Depart 12/14/25 | from $82Fare subject to changes Updated: 1 hour ago |
| Chicago (ORD) | Austin (AUS) | One way I Economy | Depart 12/13/25 | from $70Fare subject to changes Updated: 31 minutes ago |
| Orlando (MCO) | Miami (MIA) | One way I Economy | Depart 12/12/25 | from $89Fare subject to changes Updated: 2 hours 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 Francisco (SFO) | Round trip I Economy | 12/10/25 - 12/17/25 | from $91Fare subject to changes Updated: 1 hour ago |
| New Orleans (MSY) | Dallas (DFW) | Round trip I Economy | 12/24/25 - 12/31/25 | from $91Fare subject to changes Updated: 46 minutes ago |
| Washington, D.C. (DCA) | Providence (PVD) | Round trip I Economy | 12/25/25 - 01/01/26 | from $91Fare subject to changes Updated: 32 minutes ago |
| Dallas (DFW) | Tulsa (TUL) | Round trip I Economy | 12/24/25 - 12/31/25 | from $91Fare subject to changes Updated: 42 minutes ago |
| Chicago (ORD) | Detroit (DTW) | Round trip I Economy | 12/25/25 - 01/01/26 | from $91Fare subject to changes Updated: 1 hour ago |
| Saint Louis (STL) | Chicago (CHI) | Round trip I Economy | 12/24/25 - 12/31/25 | from $91Fare subject to changes Updated: 53 minutes ago |
| Chicago (CHI) | Saint Louis (STL) | Round trip I Economy | 12/25/25 - 01/01/26 | from $91Fare subject to changes Updated: 46 minutes ago |
| Baltimore (BWI) | Miami (MIA) | Round trip I Economy | 10/30/25 - 11/06/25 | from $96Fare subject to changes Updated: 56 minutes ago |
| San Diego (SAN) | Phoenix (PHX) | Round trip I Economy | 11/04/25 - 11/11/25 | from $97Fare subject to changes Updated: 57 minutes ago |
| Syracuse (SYR) | Boston (BOS) | Round trip I Economy | 12/24/25 - 12/31/25 | from $97Fare subject to changes Updated: 51 minutes ago |
| Dallas (DFW) | Indianapolis (IND) | Round trip I Economy | 10/28/25 - 11/04/25 | from $99Fare subject to changes Updated: 43 minutes ago |