$812 Cheap Thai Airways International flights London (LHR) to Tokyo (NRT)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap Thai Airways International return flights from $1,377 from LHR to NRT. Affordable one-way options from $812 are available as well.**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.

To grab cheap flights from LHR to NRT with Thai Airways International, start your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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.

To find the earliest departures from LHR to NRT with Thai Airways International, filter your results by "Early Morning" and "Morning." Booking an early flight generally means cancellations are less likely.**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.

Top-tier customer service and the chance to rack up points through Thai Royal Orchid Plus are the start of the reasons to depart from LHR to NRT with Thai Airways International. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to Thai Airways International's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.