Oneworld and Star Alliance have round-trip flights from Austin (AUS) to Frankfurt or Rome (FRA, FCO) for $489-$525 with a connection. Frankfurt flights in August. Rome flights October to December. 7-day minimum stay required.
Category: <span>American Airlines</span>
American Airlines has round-trip flights from Austin (AUS) to Honolulu, Costa Rica, Belize, Nassau Bahamas, or Cancun (HNL, SJO/LIR, BZE, NAS, CUN) for $263-$375 with a connection. Most flights are between August to December. Cancun fares are between July to December.
Cheapest fares are to Costa Rica at $263-$280.
American Airlines has round-trip flights from Austin or San Antonio (AUS, SAT) to San Juan, Puerto Rico (SJU) for $189-$195 with a connection. Flights August to November. No Saturday departures. Very few extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
Southwest, United, Delta, and American have round-trip flights to various destinations in the USA at a discount today for $74-$190, Nonstop or with a connection. Dates vary, use the linked calendar. Cheapest fares are mostly midweek. Most fares are reversible.
Notes: Most destinations have flights from August to December available. The exact ranges for each destination will vary. Use the Google calendar view to get an idea of what dates work.
Flights to smaller airports may require a long connection or two stops. When you begin your search, modify your filter to remove fares that have more than one connection, some of those smaller airports ONLY have flights with bad routing.
There is a good chance that other airlines will match these fares.
American Airlines and United have round-trip flights from Austin (AUS) to Vail, Colorado (EGE) for $211-$249 with a connection. Flights August, September, October, November, December, January, February, April, and May. Weekends available. Origin/Destination reversible. Holiday blackouts.
American Airlines has round-trip flights from Austin (AUS) to Philadelphia (PHL) for $139, NONSTOP. Flights August to November. No Thursday departures. Extended weekends available. No Thanksgiving dates.
American Airlines has round-trip flights from Austin (AUS) to Liberia, Costa Rica (LIR) for $295 with a connection. Flights September to December. Departures on Monday, Tuesday, Wednesday, and Sunday. Origin/Destination reversible. No Christmas dates available.
American Airlines has round-trip flights from Austin (AUS) to Los Angeles (LAX) for $149, NONSTOP. Flights August to November. Cheapest departures are on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
American Airlines has round-trip flights from Austin (AUS) to St. Louis, Santa Ana CA, San Jose CA, Sacramento, Reno, Pittsburgh, Milwaukee, or Kansas City (STL, SNA, SJC, SMF, RNO, PIT, MKE, MCI) for $145 with a connection. Flights August to December. No Sunday departures. Weekends available. Origin/Destination reversible. No Christmas dates available.

Cheap Flights: San Antonio and Austin to/from Seoul $840-$867 r/t [August-April] – American Airlines
American Airlines has round-trip flights from San Antonio and Austin (SAT, AUS) to Seoul (ICN) for $840-$867 with a connection. Flights August to April. No Fridays or Saturdays. Extended weekends available. Origin/Destination reversible.
American Airlines and Fiji Airways have round-trip flights from Austin (AUS) to Nadi, Fiji (NAN) for $746-$754 with a connection. Flights August, September, November, December, January, February, March, and April. Departures on Tuesday, Thursday, and Saturday. Extended weekends available. Origin/Destination reversible. Holiday blackouts.
Some small OTAs on Skyscanner have this for as low as $678; which is cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
Flight may be partially operated by American as a code-share to Fiji Airways.
American Airlines has round-trip flights from Austin (AUS) to Punta Cana, Dominican Republic (PUJ) for $327-$357 with a connection. Flights July to October. Extended weekends available. Origin/Destination reversible.