Phoenix Sky Harbor International (PHX) to Heathrow (LHR).
| Departure | Return | Price |
|---|---|---|
| 08/03/2026 | 08/12/2026 | $1079 |
| 08/04/2026 | 08/12/2026 | $1079 |
| 08/05/2026 | 08/12/2026 | $1079 |
| 06/10/2026 | 06/15/2026 | $1151 |
| 06/10/2026 | 06/16/2026 | $1151 |
| 06/10/2026 | 06/17/2026 | $1151 |
| 06/11/2026 | 06/16/2026 | $1151 |
| 06/11/2026 | 06/17/2026 | $1151 |
| 08/04/2026 | 08/13/2026 | $1159 |
| 08/05/2026 | 08/13/2026 | $1161 |
Based on current fares, August is the cheapest month to fly from Phoenix to London, with average fares around $1154 round trip (as low as $1079).
May tends to be more expensive, averaging $1389.
See the full month-by-month and day-of-week price analysis
Best Time to Fly PHX → LHRDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Phoenix to London is August, with average round-trip fares around $1154. Fares in August start as low as $1079. The most expensive month is May, averaging $1389.
A nonstop flight from Phoenix to London takes approximately 10h 30m.
The cheapest flight from Phoenix to London currently starts at $1079 round trip in economy class.
The average round-trip flight price from Phoenix to London is $1352 in economy class.
The distance is 5260 miles (8463 km). with a nonstop flight time of about 10h 30m. The lowest fare currently available is $1079 departing in August. The average round-trip fare is $1352.
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