Cheap flights from London to Dallas from $743

The cheapest month to fly to Dallas/Fort Worth Airport from London is in January. Flight prices, which tend to average around $343, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in January, then September is your next best option. Flight prices from London to Dallas/Fort Worth Airport during September average around $988.

On average, the least expensive day to fly to Dallas/Fort Worth Airport from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,061. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Dallas/Fort Worth Airport for around $1,235.

Flying to Dallas/Fort Worth Airport from London at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,087 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,194 on average. Flights to Dallas/Fort Worth Airport from London in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from London Heathrow to Dallas/Fort Worth for the best London - Dallas/Fort Worth flight prices

You are more likely to see cheaper flights to Dallas/Fort Worth Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around $1,152 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from London for as low as $1,044 on momondo.

There are 4 cabin classes available to choose from on London to Dallas/Fort Worth Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 33% on your flight if you consider stops on a London to Dallas/Fort Worth Airport flight.

As of June 2026, prices for London to Dallas/Fort Worth Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

Lufthansa, United Airlines, and British Airways are the most popular carriers operating from London to Dallas/Fort Worth

British Airways, American Airlines and Turkish Airlines are the top three most popular airlines that fly to Dallas/Fort Worth Airport from London according to our data. British Airways is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Dallas/Fort Worth Airport. Keep in mind that there are 4 different airlines that fly to Dallas/Fort Worth Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between London and Dallas have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

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

Flights via Boston (BOS) offer the lowest average round-trip price of $930.

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 18h 40m.

Istanbul (IST) has the shortest average layover time for this route: 2h 53m.

27 flights are operational daily from London to Dallas/Fort Worth Airport as of June 2026. The most popular departure time for this route is 8:00AM, with 59% of flights per day taking off in the afternoon.

The number of flights available between London and Dallas/Fort Worth Airport is 189 per week as of June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.