Award flights from Seattle / Tacoma (SEA) to London Heathrow (LHR)
Flown non-stop in about 9h 25m, 31× a week. About 4,783 miles. The cheapest award seat we have seen went for 30,000 points.
Who flies it
Airlines seen operating this pair, non-stop or through one of their hubs.
Cheapest award seats on record
Points per person, one way, as last observed.
| Date | Airline | Routing | Economy | Premium | Business | First | Seen |
|---|---|---|---|---|---|---|---|
| 2026-08-24 |  Delta | Non-stop · 9h 50m | 42,000 | — | — | — | 3d ago |
| 2026-08-25 |  KL | 2 stops · via CPH, AMS · 16h 20m | — | 63,000 | — | — | 3d ago |
| 2026-09-07 | Delta | Non-stop · 9h 45m | 42,000 | — | — | — | 4d ago |
| 2026-09-08 |  Virgin Atlantic | Non-stop · 9h 50m | 42,000 | — | — | — | 2d ago |
| 2026-09-20 |  SK | 2 stops · via CPH, ARN · 21h 25m | 30,000 | — | — | — | 2d ago |
| 2026-11-08 | Delta | 2 stops · via PDX, JFK · 17h 15m | 42,000 | — | — | — | 31h ago |
| 2026-11-09 | Delta | 1 stop · via SLC · 12h 30m | 42,000 | — | — | — | 31h ago |
| 2026-11-10 | Delta | 3 stops · via MSP, DTW, LGA-JFK · 22h 33m | 42,000 | — | — | — | 31h ago |
| 2026-11-11 | Delta | 1 stop · via JFK · 13h 40m | 42,000 | — | — | — | 31h ago |