Cheap Southwest Airlines flights Houston (HOU) to Tokyo (NRT)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Southwest Airlines round-trip flights from HOU to NRT. Affordable one-way options are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for return or one-way flights to Tokyo in January or February. You could find a cheap fare with Southwest Airlines during these off-peak travel months.

Start your search for Southwest Airlines flights from HOU to NRT about one month before you want to go. The cheapest time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, press search and check “Nonstop” on Expedia to find any direct flights from HOU to NRT with Southwest Airlines or another airline.

To find the earliest departures from HOU to NRT with Southwest Airlines, filter your search by “Morning” and “Early Morning.” Booking an early flight usually means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Narita Intl. Airport (NRT) is the main Tokyo gateway for Southwest Airlines flights from William P. Hobby Airport (HOU).

Changes are usually free within 24 hours of making a booking, but your airline may add a charge after that time. For further information about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without additional charges, tick the “No cancel fee” or “Changes included” filter when organizing your next trip.