Dallas/Fort Worth International (DFW) to Heathrow (LHR). Served by American, British Airways.
| Departure | Return | Price |
|---|---|---|
| 08/05/2026 | 08/13/2026 | $883 |
| 08/05/2026 | 08/14/2026 | $970 |
| 08/05/2026 | 08/12/2026 | $978 |
| 08/05/2026 | 08/11/2026 | $1040 |
| 08/04/2026 | 08/13/2026 | $1098 |
| 08/03/2026 | 08/12/2026 | $1102 |
| 08/04/2026 | 08/12/2026 | $1102 |
| 08/03/2026 | 08/11/2026 | $1120 |
| 08/04/2026 | 08/11/2026 | $1120 |
| 08/03/2026 | 08/10/2026 | $1132 |
Based on current fares, August is the cheapest month to fly from Dallas to London, with average fares around $1101 round trip (as low as $883).
May tends to be more expensive, averaging $1386.
See the full month-by-month and day-of-week price analysis
Best Time to Fly DFW → LHRDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Dallas to London is August, with average round-trip fares around $1101. Fares in August start as low as $883. The most expensive month is May, averaging $1386.
A nonstop flight from Dallas to London takes approximately 9h 30m.
American and British Airways fly from DFW to LHR. That's 2 airlines serving this route.
The cheapest flight from Dallas to London currently starts at $883 round trip in economy class.
The average round-trip flight price from Dallas to London is $1382 in economy class.
The distance is 4761 miles (7660 km). with a nonstop flight time of about 9h 30m. Airlines on this route include American, British Airways. The lowest fare currently available is $883 departing in August. The average round-trip fare is $1382.
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