Cheap flights from Dallas/Fort Worth Airport to London from $388

The cheapest month to fly to London from Dallas/Fort Worth Airport is in August. Flight prices, which tend to average around $131, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Dallas/Fort Worth Airport averaging around $189.

The cheapest day to depart from Dallas/Fort Worth Airport to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $1,081. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,276. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Dallas/Fort Worth Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,131 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,208. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $980 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Dallas/Fort Worth Airport for as low as $857 on momondo.

You could potentially save up to 28% on your flight if you consider stops on a Dallas/Fort Worth Airport to London flight.

As of May 2026, prices for Dallas/Fort Worth Airport to London flights are approximately 7% cheaper when compared to flights at the same time last year.

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

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London from Dallas/Fort Worth Airport according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to London. Keep in mind that there are 13 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Dallas and London have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night 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. Thursday 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 23% of their flights experiencing any sort of delay.

Istanbul (IST) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Istanbul (IST) offer the lowest average round-trip price of $847.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 11h 20m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 27m.

As of May 2026, 27 flights take off from Dallas/Fort Worth Airport and land in London each day. The most common flight departure time for this route is 10:00PM, with 59% of daily flights taking off in the evening.

As of May 2026, 194 flights take off from Dallas/Fort Worth Airport and land in London each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.