Save on Hop-On Hop-Off London + Thames River Cruise with a City-Sightseeing discount code

Checkmate is a savings app with over one million users that have saved $$$ on brands like City-Sightseeing.

The Checkmate extension automatically applies City-Sightseeing discount codes, City-Sightseeing coupons and more to give you discounts on products like Hop-On Hop-Off London + Thames River Cruise.