Cheap flights from Dallas to the United Kingdom from $309

In general, October is the cheapest month to fly from Dallas to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $717. If you aren’t able to travel to United Kingdom during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $749.

The cheapest day to depart from Dallas to United Kingdom is on a Wednesday when prices can be found for as low as $1,036. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,244.

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Dallas to United Kingdom in the afternoon for as low as $1,097. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $1,168. 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 - 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 $956 when searching weeks out. 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 $794 on momondo.

There are 4 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.

KLM, Aer Lingus, and Turkish Airlines are the most popular carriers operating from Dallas to United Kingdom

British Airways, American Airlines 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 traveling to United Kingdom. Keep in mind that there are 15 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 166 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.

As of March 2026, 24 flights take off from Dallas and land in United Kingdom each day. The most common flight departure time for this route is 10:00PM, with 68% of daily flights taking off in the evening.

As of March 2026, there are 174 flights per week flying from Dallas to United Kingdom. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.