Raleigh-Durham International (RDU) to Heathrow (LHR).
| Departure | Return | Price |
|---|---|---|
| 08/05/2026 | 08/12/2026 | $1020 |
| 08/05/2026 | 08/13/2026 | $1020 |
| 08/05/2026 | 08/14/2026 | $1020 |
| 07/19/2026 | 07/25/2026 | $1025 |
| 07/20/2026 | 07/25/2026 | $1025 |
| 07/21/2026 | 07/27/2026 | $1025 |
| 07/21/2026 | 07/30/2026 | $1025 |
| 07/25/2026 | 07/30/2026 | $1025 |
| 07/25/2026 | 08/01/2026 | $1025 |
| 07/26/2026 | 08/01/2026 | $1025 |
Based on current fares, August is the cheapest month to fly from Raleigh to London, with average fares around $1028 round trip (as low as $1020).
See the full month-by-month and day-of-week price analysis
Best Time to Fly RDU → LHRDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Raleigh to London is August, with average round-trip fares around $1028. Fares in August start as low as $1020. The most expensive month is May, averaging $1213.
A nonstop flight from Raleigh to London takes approximately 8h.
The cheapest flight from Raleigh to London currently starts at $1020 round trip in economy class.
The average round-trip flight price from Raleigh to London is $1195 in economy class.
The distance is 3818 miles (6143 km). with a nonstop flight time of about 8h. The lowest fare currently available is $1020 departing in August. The average round-trip fare is $1195.
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