Cheap flights from the United Kingdom to Dallas from £274

In general, February is the cheapest month to fly from United Kingdom to Dallas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £689. If you are unable to visit Dallas during the month of February, then departing from United Kingdom during the month September is also very affordable. Most momondo users find prices during this month for around £700.

According to our data, Wednesday is the cheapest day to fly to Dallas from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £741. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United Kingdom to Dallas on a Sunday will generally be more expensive and average around £806. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

At midday is the cheapest time of day to fly from United Kingdom to Dallas when you can find flight prices for as low as £740. Flying to Dallas at midday is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around £810 per ticket.

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

You are more likely to see cheaper flights to Dallas from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around £801 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from United Kingdom for as low as £739 on momondo.

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

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

British Airways, Finnair and Virgin Atlantic are the top three most popular airlines that fly to Dallas from United Kingdom according to our data. British Airways is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Dallas. Keep in mind that there are 17 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between United Kingdom and Dallas have experienced a delay on any given week. The average delay length over the past 12 months has been 148 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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. Friday 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 11% of their flights experiencing any sort of delay.

As of February 2026, there are 23 flights per day flying from United Kingdom to Dallas. The most common time of day flights depart is 08:00, with 53% of flights taking off in the afternoon.

As of February 2026, 167 flights take off from United Kingdom and land in Dallas each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.