Cheap flights from Cincinnati to London from $315

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Cincinnati, with most prices found around $642. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Cincinnati to London Heathrow Airport during February average around $696.

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $897. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,122.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Cincinnati to London Heathrow Airport in the afternoon for as low as $880. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,031.

Fly from Cincinnati Cinci./N. Kentucky to London Heathrow for the best Cincinnati Cinci./N. Kentucky - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $944 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Cincinnati for as low as $886 on momondo.

There are 3 cabin classes available to choose from on Cincinnati to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Cincinnati to London Heathrow Airport.

As of August 2026, prices for Cincinnati to London Heathrow Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

British Airways, United Airlines, and Delta are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to London Heathrow

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Cincinnati according to our data. British Airways is the first choice among our users, with 54% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Boston (BOS) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via New York (JFK) offer the lowest average round-trip price of $890.

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 10h 35m.

New York (JFK) has the shortest average layover time for this route: 1h 23m.

As of August 2026, 2 flights take off from Cincinnati and land in London Heathrow Airport each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.

As of August 2026, there are 18 flights per week flying from Cincinnati to London Heathrow Airport. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.