London (LHR) to Seattle (SEA)
Flight Distance & Air Miles
💳 Frequent Flyer Miles You'll Earn
| Airline | Base Miles | Elite Total |
|---|---|---|
| 🇺🇸 American Airlines AAdvantage | 4,786 | 7,658 Platinum |
| 🔺 Delta Air Lines SkyMiles | 4,786 | 7,658 Gold Medallion |
| ⭐ United Airlines MileagePlus | 4,786 | 7,179 Premier Gold |
| ❤️ Southwest Airlines Rapid Rewards | 4,786 | 7,179 A-List Preferred |
| 🏔️ Alaska Airlines Mileage Plan | 4,786 | 9,572 MVP Gold |
| 🔵 JetBlue Airways TrueBlue | 4,786 | 7,179 Mosaic |
* Elite bonus miles shown for mid-tier status. Actual miles earned depend on your fare class and elite status level.
Calculate Another Route
💡 Did You Know?
A round trip between London and Seattle earns you 9,572 base miles - that's 38% of the way to a typical domestic award ticket!
✈️ Flight Details
The LHR to SEA route connects London, United Kingdom with Seattle, United States. This long-haul flight covers 4,786 miles and typically uses wide-body aircraft like Boeing 777 or Airbus A350.
This international flight crosses from United Kingdom to United States. Remember to check passport and visa requirements. The flight follows a NW bearing of 322° from London. There is a 8 hour time difference between the airports.
🛫 About LHR
London Heathrow Airport
London Heathrow Airport (LHR) is the busiest airport in Europe and the UK's main international gateway.
🛬 About SEA
Seattle Tacoma International Airport
Seattle Tacoma International Airport (SEA) serves Seattle, United States.