Cheap flights from Dallas to London-Heathrow
Cheap return flights from Dallas to London-Heathrow
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
London-Heathrow flight facts
What you need to know
What are the cheapest airlines?
- British Airways
- American Airlines
- Iberia
These airlines usually offer the cheapest flights from Dallas to London-Heathrow.
What airlines fly indirectly?
- Lufthansa
- Air France
- KLM
These airlines fly from Dallas to London-Heathrow, but you’ll have at least one layover.
How long is the flight?
9 hours 30 minutes
This is the shortest flight time from Dallas to London-Heathrow.
Alternative flights from the UK to London-Heathrow
Check out prices for other routes
Alternative flights from Dallas
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Dallas/London-Heathrow route. There are around 35 flights on any given week from the UK to London-Heathrow and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Dallas to London-Heathrow
Tips and advice from our flight experts
You've searched for flights from Dallas to London-Heathrow. We've found 25 flights and compared them to give you the best offer. British Airways is, on average, the cheapest for this route. Look out for their offers! The cheapest offer we've found is for a one-way ticket at £79 from Dallas to London-Heathrow on 15/02/2026 at 02:10.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 7,800 km flight from Dallas to London-Heathrow.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. British Airways is a popular choice for this route, and the average flight duration is about 9 hours 30 minutes. After selecting an offer, fill out your information and proceed with payment. Don't forget to check our flight + hotel service to book everything at once, saving time and money.
Other popular destinations near London-Heathrow
Where other people are flying to
