Cheap flights from London Heathrow Airport to Dallas from $302
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 5/8. 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 and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 round-trip 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?
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 $829.
What is the cheapest day to depart on your flight to Dallas?
On average, the least expensive day to fly to Dallas from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $935. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,120.
What is the cheapest time of day to depart on your flight to Dallas?
Flying to Dallas from London Heathrow Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,061 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $1,115 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 $962 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 $851 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 is the most popular carrier operating from London Heathrow to Dallas
What airlines fly to Dallas?
British Airways, American Airlines and Finnair are the top three most popular airlines that fly to Dallas from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 4 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?
The number of flights available between London Heathrow Airport and Dallas is 18 per day as of April 2025. The most frequent departure time is 8:00AM, with 59% of daily flights leaving in the afternoon.
How many flights depart from London Heathrow Airport to Dallas on average per week?
As of April 2025, 126 flights take off from London Heathrow Airport and land in Dallas each week. The most common flight departure day for this route is Tue, with 22% of weekly flights taking off 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?
There are 4733.2 mi between London Heathrow and Dallas. Flights usually cover this in 10h 05m, depending on flying conditions and air traffic around both airports.
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?
There are 4 operators available for flights from London Heathrow Airport to Dallas as of April 2025.
How old do you have to be to fly from London Heathrow Airport to Dallas?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Dallas may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Dallas. It is always advisable to seek 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 $848 | Free Cancellation | Rating 6.6 6,717 reviews | |||
| PriceFrom $868 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $887 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom $1,058 | Free Cancellation | Rating 7.0 2,657 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Dallas?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Dallas. momondo saves you time and could save you money on your trip.
Can I find flights from London to Dallas with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Dallas flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Dallas?
Once you have performed a search for London to Dallas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
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.