Cheap flights from Dallas to the United Kingdom from £151

The cheapest month to fly to United Kingdom from Dallas is in October. Flight prices, which tend to average around £526, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from Dallas during the month February is also very affordable. Most momondo users find prices during this month for around £557.

The cheapest day to depart from Dallas to United Kingdom is on a Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £592. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Dallas to United Kingdom for around £779.

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £660. Try not to purchase tickets in the evening because they tend to be around £669. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to United Kingdom from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £687 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Dallas for as low as £591 on momondo.

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

British Airways, American Airlines, and United Airlines are the most popular carriers operating from Dallas to United Kingdom

British Airways, Virgin Atlantic and Iberia are the top three most popular airlines that fly to United Kingdom from Dallas according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 7 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Dallas and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

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

Monday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

As of February 2026, there are 21 flights per day flying from Dallas to United Kingdom. The most common time of day flights depart is 20:00, with 82% of flights taking off in the evening.

The number of flights available between Dallas and United Kingdom is 150 per week as of February 2026. The most frequent departure day is Thu, with 19% of weekly flights leaving on this day.