Cheap flights from San Antonio to Tokyo from $425

The cheapest month to fly to Tokyo from San Antonio is in February. Flight prices, which tend to average around $847, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in February, then April is your next best option. Flight prices from San Antonio to Tokyo during April average around $1,002.

You are more likely to see cheaper flights to Tokyo from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo for around $1,242 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo from San Antonio for as low as $926 on momondo.

You could potentially save up to 6% on your flight if you consider stops on a San Antonio to Tokyo flight.

As of September 2026, prices for San Antonio to Tokyo flights are approximately 33% cheaper when compared to flights at the same time last year.

ANA, United Airlines, and Delta are the most popular carriers operating from San Antonio to Tokyo

United Airlines, Japan Airlines and American Airlines are the top three most popular airlines that fly to Tokyo from San Antonio according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Tokyo. Keep in mind that there are 7 different airlines that fly to Tokyo on a routine basis, so you have a few additional options to choose from.

Dallas (DFW) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $725.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 15h 23m.

Dallas (DFW) has the shortest average layover time for this route: 1h 21m.