$368 Cheap British Airways flights Rotterdam (RTM) to Belfast (BHD)

Set the "Price (lowest to highest)" filter on Expedia to find cheap British Airways round-trip flights from RTM to BHD. Affordable one-way options from $368 are also on offer.**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.

Getting the best British Airways deals from RTM to BHD often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is often the most expensive day to book.* It's a good idea to start searching for flights about one month before you plan to travel.*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 RTM to BHD with British Airways, filter your search by "Morning" and "Early Morning." Choosing 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.

Traveling from RTM to BHD with British Airways means enjoying a host of perks, including an excellent in-flight experience and a 4-star airline rating. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.