Cheapflights Tip: The best prices from Dallas to London are usually found in February or April, booked 22 days in advance, depart on a Monday or Wednesday and return on a Wednesday
Find flight deals from Dallas to London
Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 September 2026.
Popular in
June
Cheapest in
February
Average price
£812
Highest demand for flights based on searches. 22% potential increase in price (£185 potential increase over avg. return price).
Have a flexible travel schedule? Discover the best time to fly to London from Dallas with our price prediction graph.
A78-LON
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Dallas to London
Prices
Airlines
Delays
How far ahead should I book a flight from Dallas to London?
The best time to book flights from Dallas to London is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Dallas to London?
Currently, February is the cheapest month in which you can book a flight from Dallas to London (average of £638). Flying from Dallas to London in June is currently the most expensive (average of £1,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DFW to LON?
Find hourly flight availability from Dallas to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas to London as you normally would.
Weekly flight availability from Dallas to London
Explore weekly flight availability from Dallas to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 September 2026.
The most flights from A78 to LON are scheduled on a Monday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 on average).
How often are flights from Dallas to London delayed?
About 27% of weekly flights between Dallas and London have experienced delays in the past year, with the average delay time being 165 minutes.
What is the most punctual flight time for Dallas to London flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dallas to London flights?
Over the past year, American Airlines have had the lowest number of delays on this route, with just 26% of flights being delayed.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 30 September 2026.
See what other customers who have flown with Finnair,Virgin Atlantic, andAmerican Airlines from Dallas to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Missed out on getting window seat. Middle not as comfortable for long flight.
Related info for your journey
Find useful and relevant information for your journey from Dallas to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines flying from Dallas to London round-trip?
According to our current data, British Airways (£556), Iberia (£585), and Finnair (£594) offers the cheapest pricing from Dallas to London. Users have found that British Airways is 33% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Dallas to London one-way?
One-way options have recently been found by users for as low as £308 on Iberia. Other airlines that offer cheap prices include British Airways from £309 and American Airlines from £355 one-way.
What are the most popular routes from Dallas to London?
When deciding which route to take from Dallas to London consider Dallas/Fort Worth - London Heathrow, Dallas/Fort Worth - London Gatwick or Dallas/Fort Worth - London Stansted as they are the most popular.
What are the most reliable airlines from Dallas to London?
No one likes to see their flight delayed. When booking a flight from Dallas to London consider choosing Royal Jordanian (88%), Malaysia Airlines (71%) or Gulf Air (69%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Dallas to London?
Looking at all options, your cheapest flight can be booked for £276. While the most popular route (Dallas/Fort Worth - London Heathrow) can be booked for £638 on average, our data indicates £617 when flying from Dallas to London.
Can I find deals for business class flights from Dallas to London?
Yes. Cheapflights offers flight deals from Dallas to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Dallas to London?
Currently, February is the cheapest month in which you can book a flight from Dallas to London (average of £638). Flying from Dallas to London in June is currently the most expensive (average of £1,205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.
Discover the top 5 airlines that operate flights from Dallas to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 30 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Dallas to London?
Cheapflights helps you search for flights from Dallas to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Dallas to London?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Dallas.
Can Cheapflights find flights from Dallas to London with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Dallas to London flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Dallas to London become cheaper?
Not ready to book yet? You can track prices for flights from Dallas to London on Cheapflights with our Price Alert feature and get notified when better prices are available.
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