Cheap flights from London Heathrow Airport to Dallas from £234
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Dallas departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Dallas
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Finnair flights from London Heathrow Airport to Dallas
Our best Finnair deals on London Heathrow Airport to Dallas flight tickets
Icelandair flights from London Heathrow Airport to Dallas
Our best Icelandair deals on London Heathrow Airport to Dallas flight tickets
See travel insights to Dallas from
How to get the cheapest flight ticket from London Heathrow Airport to Dallas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Dallas?
In general, November is the cheapest month to fly from London Heathrow Airport to Dallas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £640. If you are unable to visit Dallas during the month of November, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around £642.
What is the cheapest day to depart on your flight to Dallas?
According to our data, Wednesday is the cheapest day to fly to Dallas from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £700. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London Heathrow Airport to Dallas on a Friday will generally be more expensive and average around £759. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Dallas?
In the evening is the cheapest time of day to fly from London Heathrow Airport to Dallas when you can find flight prices for as low as £604. Flying to Dallas in the evening 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 £776 per ticket.
What is the cheapest London Heathrow to Dallas flight route?
Fly from London Heathrow to Dallas/Fort Worth for the best London Heathrow - Dallas flight prices
How far in advance should I book a flight to Dallas?
You are more likely to see cheaper flights to Dallas from London Heathrow Airport when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around £745 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from London Heathrow Airport for as low as £659 on momondo.
What cabin class options are available on London Heathrow to Dallas flights?
There are 4 cabin classes available to choose from on London Heathrow to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Dallas?
WestJet, Lufthansa, and Avianca are the most popular carriers operating from London Heathrow to Dallas
Which airlines fly to Dallas?
Finnair, British Airways and Iberia are the top three most popular airlines that fly to Dallas from London Heathrow Airport according to our data. Finnair is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Dallas. Keep in mind that there are 14 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Dallas on average per day?
18 flights are operational daily from London Heathrow Airport to Dallas as of April 2025. The most popular departure time for this route is 08:00, with 59% of flights per day taking off in the afternoon.
How many flights depart from London Heathrow Airport to Dallas on average per week?
The number of flights available between London Heathrow Airport and Dallas is 126 per week as of April 2025. The most frequent departure day is Tue, with 22% of weekly flights leaving on this day.
Cheap London Heathrow Airport to Dallas flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Dallas
How far is London Heathrow to Dallas by plane?
London Heathrow and Dallas are 4733.2 mi apart from one another. In terms of flight time, this usually takes a little over 10h 05m.
When did momondo last update prices for flights from London Heathrow Airport to Dallas?
Prices for flights from London Heathrow Airport to Dallas were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Dallas?
As of April 2025, there are 14 operators available to choose from for flights from London Heathrow Airport to Dallas.
How old do you have to be to fly from London Heathrow Airport to Dallas?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Dallas.
What documentation or ID do you need to fly to Dallas?
The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from London Heathrow Airport to Dallas
Compare and see reviews for airlines that fly from London Heathrow Airport to Dallas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £448 | Free Cancellation | Rating 7.4 8,616 reviews | |||
| PriceFrom £461 | Free Cancellation | Rating 7.0 476 reviews | |||
| PriceFrom £471 | Free Cancellation | Rating 6.7 6,963 reviews | |||
| PriceFrom £471 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom £480 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom £501 | Free Cancellation | Rating 7.0 9,022 reviews | |||
| PriceFrom £505 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom £517 | Free Cancellation | Rating 7.3 1,328 reviews | |||
| PriceFrom £567 | Free Cancellation | Rating 7.0 2,657 reviews | |||
| PriceFrom £610 | Free Cancellation | Rating 6.6 6,717 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Dallas?
Finding the right flight to Dallas from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dallas quick and easy, saving you time and money.
Can I find flights from London to Dallas with flexible booking policies on momondo?
Flights from London to Dallas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Dallas?
momondo provides multiple filters to help you find the best flight to Dallas from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Dallas right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Dallas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dallas and let you know when they change.