Cheap flights from Dallas to London from $218
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to London departing on 8/17. 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 Dallas to London
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Air Canada flights from Dallas to London Heathrow Airport
Our best Air Canada deals on Dallas to London Heathrow Airport flight tickets
United Airlines flights from Dallas to London Heathrow Airport
Our best United Airlines deals on Dallas to London Heathrow Airport flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Dallas to London Heathrow Airport
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 Dallas and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Dallas, with most prices found around $791. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from Dallas to London Heathrow Airport during October average around $801.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $866. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,089.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Dallas to London Heathrow Airport at noon for as low as $870. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $973.
What is the cheapest Dallas to London Heathrow flight route?
Fly from Dallas/Fort Worth to London Heathrow for the best Dallas - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Dallas when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $948 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dallas for as low as $808 on momondo.
What cabin class options are available on Dallas to London Heathrow flights?
There are 4 cabin classes available to choose from on Dallas to London Heathrow 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 Dallas to London Heathrow?
JetBlue, Turkish Airlines, and Air Canada are the most popular carriers operating from Dallas to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, Iberia and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from Dallas according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 14 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dallas to London Heathrow Airport on average per day?
The number of flights available between Dallas and London Heathrow Airport is 27 per day as of June 2025. The most frequent departure time is 10:00PM, with 57% of daily flights leaving in the evening.
How many flights depart from Dallas to London Heathrow Airport on average per week?
190 flights are operational weekly from Dallas to London Heathrow Airport as of June 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.
Cheap Dallas to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dallas to London Heathrow Airport
How far is Dallas to London Heathrow by plane?
Dallas and London Heathrow are 4733.2 mi apart from one another. Typically, this will take 9h 05m by plane in normal conditions.
When did momondo last update prices for flights from Dallas to London Heathrow Airport?
Prices for flights from Dallas to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dallas to London Heathrow Airport?
There are 14 operators available for flights from Dallas to London Heathrow Airport as of June 2025.
How old do you have to be to fly from Dallas to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dallas to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport 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 London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Dallas to London Heathrow Airport
Compare and see reviews for airlines that fly from Dallas to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $466 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $515 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom $541 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $558 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $588 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $603 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $630 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Dallas to London?
Finding the right flight to London from Dallas 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 London quick and easy, saving you time and money.
Can I find flights from Dallas to London with flexible booking policies on momondo?
Yes. All flights to London from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Dallas to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to London.
I’m not ready to book a flight from Dallas to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Dallas to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.