Cheap flights from London 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 to Dallas departing on 23/9. 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 to Dallas
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Icelandair flights from London to Dallas
Our best Icelandair deals on London to Dallas flight tickets
Lufthansa flights from London to Dallas
Our best Lufthansa deals on London to Dallas flight tickets
See travel insights to Dallas from
How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Dallas?
What is the cheapest month to fly to Dallas?
In general, November is the cheapest month to fly from London to Dallas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £630. If you are unable to visit Dallas during the month of November, then departing from London during the month February 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. The lowest ticket price found for a Wednesday departure recently was £687. 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 to Dallas on a Friday will generally be more expensive and average around £752. 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 to Dallas when you can find flight prices for as low as £580. 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 £772 per ticket.
What is the cheapest London to Dallas flight route?
Fly from London Heathrow to Dallas/Fort Worth for the best London - 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 when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around £734 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from London for as low as £671 on momondo.
What cabin class options are available on London to Dallas flights?
There are 4 cabin classes available to choose from on London to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from London to Dallas on average per day?
As of June 2025, there are 18 flights per day flying from London to Dallas. The most common time of day flights depart is 08:00, with 72% of flights taking off in the afternoon.
How many flights depart from London to Dallas on average per week?
The number of flights available between London and Dallas is 129 per week as of June 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.
Cheap London to Dallas flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Dallas
How far is London to Dallas by plane?
Dallas is 4745.1 mi away from London. A reasonable flight in good conditions will take 13h 05m.
When did momondo last update prices for flights from London to Dallas?
Prices for flights from London to Dallas refresh daily.
How many operators does momondo search for flights from London to Dallas?
The number of operators available for flights from London to Dallas is 15 as of June 2025.
How old do you have to be to fly from London to Dallas?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Dallas.
What documentation or ID do you need to fly to Dallas?
The required travel and health documents for your Dallas trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from London to Dallas
Compare and see reviews for airlines that fly from London to Dallas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £430 | Free Cancellation | Rating 6.7 7,123 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 7.0 494 reviews | |||
| PriceFrom £452 | Free Cancellation | Rating 7.3 2,927 reviews | |||
| PriceFrom £459 | Free Cancellation | Rating 7.4 8,767 reviews | |||
| PriceFrom £460 | Free Cancellation | Rating 7.3 3,834 reviews | |||
| PriceFrom £469 | Free Cancellation | Rating 7.1 9,474 reviews | |||
| PriceFrom £470 | Free Cancellation | Rating 7.4 647 reviews | |||
| PriceFrom £485 | Free Cancellation | Rating 7.6 1,288 reviews | |||
| PriceFrom £485 | Free Cancellation | Rating 7.4 1,460 reviews | |||
| PriceFrom £489 | Free Cancellation | Rating 7.8 1,351 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Dallas?
It is quick and easy to find London to Dallas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dallas that suits you.
Can I find flights from London to Dallas with flexible booking policies on momondo?
All flight searches from London to Dallas on momondo can be filtered to show those which offer 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?
Price alerts on flights to Dallas from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.